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Voice solutions designed to assist your team - not replace their role.
Remote AI Voice Agent Development for Europe A Dedicated Developer, Hourly or Monthly
An AI phone agent, AI receptionist, or AI answering service, multilingual where you need it, that books, qualifies, and supports - built by a remote dedicated developer for €25/hr or €2,000/mo, GDPR-ready with a signed DPA.
AI Voice Agents From Empiric Infotech LLP
Empiric Infotech LLP builds and runs AI voice agents for teams in the UK, Germany, France, the Netherlands, Spain, Ireland, and the Nordics as a dedicated-developer engagement: one remote developer (or a small dedicated team) full-time and exclusively on your AI phone agent, AI receptionist, AI answering service, or outbound caller, in your GitHub or GitLab org, your telephony account, and your cloud, month after month, overlapping the whole European working day. We wire up the telephony (Twilio, Telnyx, or your SIP trunk and numbers), the real-time voice layer (Vapi, Retell AI, Bland, LiveKit, Pipecat), STT (Deepgram, AssemblyAI, Whisper) and TTS (ElevenLabs, Cartesia, Rime, OpenAI) - multilingual where you need it - an LLM brain (Claude, GPT, Gemini) that follows your script and calls your tools, integrations to your CRM, calendar, and helpdesk, inbound and outbound flows, a clean transfer-to-human path, and recordings, transcripts, and analytics - then tune the latency, interruption handling, and voicemail detection until it sounds like a person. A senior team lead reviews and tests every change. The engagement is billed two ways - €25 an hour or the standard €2,000 a month per developer - with the EU VAT reverse-charge, a signed DPA on day 0, a 7-day risk-free trial on the monthly plan, and you scale a developer at a time.
What an AI voice agent engagement delivers for a European team
Not a demo that handles one happy path. A voice agent live on your phone numbers - inbound and outbound, multilingual where you need it, integrated with your CRM and calendar, with a transfer-to-human path, recordings, transcripts, and analytics, GDPR-aware - plus the developer who keeps tuning and extending it across your working day.
A voice agent live on your phone numbers
Wired into Twilio, Telnyx, or your SIP trunk, on your numbers, taking real inbound calls and placing real outbound ones - the AI receptionist for reception and after-hours, the answering service that never sends a caller to voicemail, the outbound agent for reminders and follow-ups. Your telephony account, not ours.
A brain that follows your script and calls your tools
An LLM (Claude, GPT, or Gemini) prompted and constrained to your call flows, policies, and tone, with function calling to look up an order, check availability, book or reschedule, create a ticket, update a record, send a confirmation message. A voice agent, not a phone menu.
Real-time, multilingual voice that sounds like a person
Vapi, Retell AI, Bland, LiveKit, or Pipecat with STT (Deepgram, AssemblyAI, Whisper) and TTS (ElevenLabs, Cartesia, Rime, OpenAI) across the languages your callers speak, tuned: sub-second latency, natural interruption and barge-in handling, backchannels, voicemail detection on outbound, a voice you sign off on.
Integrations to your CRM, calendar, and helpdesk
Salesforce, HubSpot, Pipedrive, your scheduling tool (Calendly, Acuity, Cal.com, your own), Zendesk / Intercom / Freshdesk, your booking or PMS system - read and write, two-way - so a call updates your systems and a record can trigger a call.
Inbound, outbound, and a clean handoff to a human
Inbound: answer, identify, resolve or route. Outbound: campaigns, reminders, surveys, win-backs, qualification calls, with consent and opt-out handling and respect for national calling rules. And a warm transfer-to-human path with context, business-hours awareness, and graceful fallback.
Recordings, transcripts, analytics, and a backend - GDPR-aware
Every call recorded and transcribed (with the disclosures GDPR and national law require), tagged by outcome, with dashboards on volume, containment, transfer rate, booking rate, and unanswered questions - plus the orchestration backend (Node.js or Python), webhooks, outbound campaign queues, rate and concurrency limits, and EU data residency with a signed DPA.
A developer who is still there when the model changes
Voice AI moves fast. A dedicated engagement means the same developer tunes the agent, adds the next call flow, and keeps it current, month after month, overlapping your whole working day, instead of handing you a v1 that drifts.
How we scope an AI voice agent engagement
No multi-week procurement dance and no twenty-page SOW. A call, a written scope, a trial, then a monthly engagement you can end any time.
A scoping call (CET/GMT slot)
Thirty to forty-five minutes on a slot that suits your working day. You walk us through the calls you want handled, your call volume, your telephony setup, the systems it touches, the languages, and your GDPR posture. No charge, no obligation.
A written scope and team proposal
We send back the first call flows, the platform and voice stack, the integrations, who we would put on it, and the flat monthly price in EUR with the VAT reverse-charge noted. We will tell you honestly if a no-code platform configured by you would do the job.
A 7-day risk-free trial
The developer gets into your telephony account and EU cloud and ships the priority inbound flow - taking real calls on a test number, integrated, transferring to a human cleanly - inside the first week, reviewed and tested by the senior lead. Not a fit by day 7, full refund, no debate.
Hourly or monthly, your choice
Hourly: billed by the hour at €25 with the EU VAT reverse-charge, time tracked to the minute, a weekly time report and a demo, stop any time - best for a defined scope or burst work. Monthly: 160-172 hours at the standard €2,000, monthly billing with the EU VAT reverse-charge and a signed DPA, cancel with 7 days notice - the better value when the agent is a rolling thing. Switch between them month to month as the use cases grow or settle; add a developer (or a designer for a dashboard) at the same rate.
Two ways to engage an AI voice agent developer
Two ways to engage a remote AI voice agent developer, billed in EUR with the EU VAT reverse-charge and a signed DPA on day 0. By the hour at €25 - pay as you go, time tracked to the minute, a weekly report and demo, no monthly commitment - best for a defined scope (a priority inbound flow, an outbound campaign, GDPR consent and recording-disclosure work) or burst work. Or monthly at the standard €2,000 for 160-172 hours of full-time, exclusive work overlapping the whole European working day - the better value when the agent is a rolling thing with more flows, more languages, and patient edge-case tuning, with a 7-day risk-free trial. Either way: your repo, your EU telephony account, your EU cloud, EU data residency, and a senior lead reviews and tests every release. Why the hourly premium? AI voice agents are real-time, latency-sensitive systems with telephony, STT/TTS, an LLM brain, and GDPR-aware consent and recording-disclosure handling - expert-level work in short bursts; the monthly rate is the same flat rate as any Empiric engagement once you commit. Per-minute platform, telephony, STT/TTS, and model usage is billed to your own accounts at cost.
Hourly plan
- A dedicated AI voice agent developer, exclusive to you while you have hours booked
- Pay as you go - billed by the hour (EU VAT reverse-charge), time tracked, a weekly report and demo
- Best for a defined scope (priority flow, single outbound campaign, GDPR consent work); no monthly commitment, stop any time
- Your repo, EU telephony, EU cloud, and model keys from day one; EU data residency, signed DPA
- Every release reviewed and tested by a senior lead before it goes live
Monthly plan
- A dedicated AI voice agent developer, full-time and exclusive - 160-172 hours on full European overlap
- The best value when the agent is a rolling thing - more flows, more languages, edge cases
- Your repo, EU telephony, and EU cloud from day one; the same flat rate as any Empiric engagement
- 7-day risk-free trial, monthly billing (EU VAT reverse-charge), cancel with 7 days notice; signed DPA
- A senior lead reviews and tests every release before it goes live
Dedicated team
- A small dedicated team - developers plus a senior team lead who reviews and tests every release
- Add a developer (or a designer for a dashboard) at the same rate, in 48 hours
- Pair an inbound developer with an outbound/campaign developer to ship parallel use cases
- Best for several live EU numbers, multilingual flows, or running inbound and outbound at once
What the first 90 days look like for a European team
A dedicated engagement is a rolling thing, not a Gantt chart - but here is the shape of the first three months, all on full European working-day overlap.
- Week 1
Onboarding and the trial flow
Telephony and EU cloud access, a working dev environment, the platform and voice stack chosen, and the priority inbound flow live on a test number - identifying the caller, answering common questions, calling one tool, warm-transferring to a human - shipped and reviewed. Day 7 is the decision point.
- Month 1
The main flow, live on your numbers
The priority use case in production on your real numbers - inbound reception, after-hours answering, or appointment booking - integrated with your CRM and calendar, transfer-to-human working, recordings and transcripts captured with GDPR disclosures, a data map and DPA in place, latency and interruption handling tuned, a basic dashboard live.
- Month 2
More flows, outbound, multilingual, and the rough edges
Secondary inbound flows, outbound (reminders, follow-ups, qualification) with voicemail detection, consent and opt-out handling, and campaign queueing, more integrations, the additional languages your callers speak, and the edge cases real callers surfaced - smoothed, with analytics tightened.
- Month 3
Hardening, scale, and ahead of the roadmap
Concurrency and rate limits for peak volume, a cost pass on per-minute spend, a quality pass on transcripts and transfer reasons, a GDPR and national-law compliance pass (recording disclosure, opt-outs), and the next use case scoped. From here the developer is ahead of your backlog.
A monthly dedicated developer vs configuring a voice-AI platform yourself, a fixed-price voice-AI agency, or a European in-house build
| Empiric Infotech (monthly dedicated developer) | Configure a voice-AI platform yourself (Vapi, Retell, Bland, Synthflow) | Fixed-price voice-AI agency | Hire a European engineer in-house | |
|---|---|---|---|---|
| What you actually get | A custom voice agent built and tuned to your call flows, integrated with your systems, owned by you - and a developer who keeps improving it | A dashboard and a generic agent you prompt yourself; integrations and edge cases on you | A v1 built to a spec, then a maintenance retainer or you are on your own | Whatever your team can build alongside their other work |
| Pricing model | €25/hr for hourly work, or the standard €2,000/mo for a full-time developer if you lock a month; platform/telephony usage billed to your accounts at cost | Platform subscription + per-minute usage; your time to build and maintain | €10K-€45K fixed bid for a v1 agent; change orders billed extra | €75K-€110K salary + ~25-40% employer cost, per engineer |
| Multilingual | Built across the languages your callers speak; added as you need them | Whatever the platform supports; you wire and test it yourself | Per the spec; new languages are change orders | Yours to build |
| GDPR, recording disclosure, data residency | Signed DPA on day 0; EU data on EU infrastructure; disclosures built in; data map of what the agent can reach | On you to configure and stay on top of | Built at delivery; your problem to maintain | Yours to handle |
| Quality control | Senior-lead code review + pre-delivery testing on every release, built in | On you | Per agency - often the same juniors who wrote it | Your own review process, if you have one |
| Who owns it | You - your repo, telephony account, EU cloud, from day one | You, inside the platform's walls; export is limited | You, on final payment | You |
| Time to start | 48 hours | Hours to set up; weeks to make it production-grade yourself | 2-6 weeks (proposal, SOW, kickoff) | 1-3 months (notice periods run long in much of Europe) |
| Time-zone overlap | Full European working-day overlap; PM across your whole day | n/a (you build it) | Per agency | Same time zone (once you have hired) |
Figures are typical Western-European market ranges, not quotes. Per-minute platform, telephony, STT/TTS, and model costs apply on top of any build cost in every option and are billed to your own accounts in ours. A fixed-price agency build of a comparable v1 voice agent commonly lands in the €10K-€45K range before change orders.
Working hours and European overlap
Our team works 09:30 AM - 07:30 PM IST and a project manager is on call 07:30 AM - 10:30 PM IST, Monday to Friday. Here is exactly when that lands for clients in the US, Europe and Australia, your region first.
UK & Ireland (London, Dublin) - full team online 5:00 AM - 3:00 PM, project manager 3:00 AM - 6:00 PM.Most of your working day overlaps ours - live standups, pair-coding and same-hour replies.
Central Europe (Berlin, Paris, Amsterdam, Madrid) - full team online 6:00 AM - 4:00 PM, project manager 4:00 AM - 7:00 PM.Most of your working day overlaps ours - live standups, pair-coding and same-hour replies.
US Eastern (New York, Boston, Atlanta) - full team online 12:00 AM - 10:00 AM, project manager 10:00 PM - 1:00 PM (next day).
US Pacific (Los Angeles, San Francisco, Seattle) - full team online 9:00 PM - 7:00 AM (next day), project manager 7:00 PM - 10:00 AM (next day).
Australia East (Sydney, Melbourne, Brisbane) - full team online 2:00 PM - 12:00 AM (next day), project manager 12:00 PM - 3:00 AM (next day).
Want it to the half-hour in your own time? Slide through your day and book a slot below.
Why European teams build their AI voice agent with a dedicated developer, not a no-code platform alone
A voice-AI platform (Vapi, Retell, Bland, Synthflow) is a great runtime - but a great runtime is not a great agent. The work that decides whether callers stay on the line is the call-flow design, the prompt and tool wiring, the CRM and calendar integration, the multilingual setup, the latency and interruption tuning, the transfer-to-human path, the GDPR and recording-disclosure handling, the analytics, and the patient iteration as real callers surface edge cases. That work is a developer's job. Empiric Infotech is billed two ways - €25 an hour for a defined scope, or the standard €2,000 a month per developer for 160-172 hours of it, full-time and exclusive - in EUR with the VAT reverse-charge, with the same person on your agent the next month, and a senior lead reviewing and testing every release at no extra cost.
A fixed-price voice-AI agency build typically runs €10,000 to €45,000 for a v1, then a maintenance retainer - and a voice agent that is not maintained drifts: a model update changes its behaviour, a caller finds a path it does not handle, an integration breaks, a rule changes. A no-code platform configured once and left alone drifts the same way, and the integrations, languages, and compliance were on you to begin with. A dedicated Empiric developer is still there in month nine, has built voice agents on the major platforms, overlaps your whole working day, and tunes the agent as the models and your call patterns change.
We have built real-time and conversational systems into products - chat, live feeds, notifications, LLM features - and shipped web and mobile products since 2014. The depth shows up in the parts a quickstart skips: a transfer path that warm-transfers with context, voicemail detection that does not waste an outbound slot, latency tuned per turn, GDPR-aware recording disclosure and opt-out handling, a data map your DPO can read, and the honesty to tell you when a configured platform would do the job without us.
Recent AI, real-time, and product work
Vedu - AI image generation and TTS in an EdTech app
An AI-powered German language learning product built for a German client by a two-person Empiric Infotech team - the Flutter app, the flashcard and quiz engine, text-to-speech, and AI image generation wired into the content backend. Speech and AI engineering of the kind a voice agent draws on.
Read case studyMarketPlace Monitor - real-time monitoring at scale
An e-commerce SaaS that monitors marketplaces and surfaces deals in real time, built for a UK client by a four-person Empiric Infotech team - the real-time monitoring engine, push infrastructure, and the app and billing around it.
Read case studyLaughly - a product built and maintained over time
A consumer app built for a Swiss client by an Empiric Infotech team - the app and the backend behind it - the kind of dedicated, continuous engagement an AI voice agent engagement runs as.
Read case studyReady to build your AI voice agent?
Tell us the calls you want handled - inbound reception, after-hours answering, appointment booking, lead qualification, outbound reminders - your call volume, your telephony setup, the languages, and the systems it needs to touch. Within 24 hours we will send back the first call flows, a platform and voice-stack proposal, the integrations, a team proposal, and a flat monthly price in EUR with the VAT reverse-charge noted. Your developer starts inside 48 hours on your working day, and a senior lead reviews and tests everything before it reaches you.
Who We Help:
For Teams Who Want Voice Automation That Actually
Works
We work with CX, ops, and product leaders who are tired of clunky IVRs and want scalable voice solutions that feel natural and deliver value.
This Is for You If:
You're stuck with outdated IVR systems that frustrate users
Your support or onboarding team is overwhelmed by repetitive voice queries
You want to extend LLM-powered intelligence into your phone or WhatsApp workflows
You need voice experiences that speak multiple languages and understand context
You're looking for scalable, privacy-respecting solutions that integrate with your stack
What We Do
We Build AI Agents Human-Like Voice Interfaces That Scale
From design to deployment, we build voice agents that understand, respond, and act - just like a skilled team member would.
What We Build:
Voice IVRs that go beyond routing - they resolve
Multilingual AI agents for WhatsApp, phone, and apps
Smart appointment scheduling, lead qualification, and onboarding
Voice-first support agents that handle FAQs, triage, and follow-ups
Real-time voice-to-CRM updates, call summaries, and escalations
Tools & Platforms We Use:
We’re platform-agnostic - if it can be automated, we’ll make it happen.
Where AI Agents Make a Measurable Impact
Sales & Lead Response
Instant replies, qualification, calendar booking - without human delay
Built with: n8n, Make, Zapier, and custom API orchestration
Customer Support
Triage queries, update CRMs, generate tickets, escalate intelligently
Powered by: Chat-GPT, LangChain, OpenAI, Gemini
Voice IVR Agents
Smart, conversational IVRs that solve, not just redirect
Tech behind the scenes: OCR, LLMs, vector search, Pinecone
Internal Operations
Generate reports, clean data, run daily workflows on command
Built using: Twilio, Vapi, Retell AI, Telegram, OpenAI
Knowledge Retrieval
Instantly surface SOPs, docs, and product info with citations
Integrated into: Notion, Data Studio, PowerBI, and more
Our Step-by-Step Process for AI Agent Development at Scale
A Systematic Process to
Launch Voice AI That Works
We don’t just deploy tools - we build voice systems that reflect your operations, logic, and goals.
Discovery & Voice Opportunity Mapping
Identify where voice fits best in your user or ops journey
Outcome: A clear, ROI-driven roadmap for voice integration aligned with your business goals
Stack Planning & Agent Design
Architect the right mix of LLMs, telephony, and logic flows
Outcome: A flexible, future-ready voice agent blueprint with no platform lock-in
Voice Prototype & Validation
Build and test a pilot voice agent on real calls
Outcome: Quick wins and stakeholder buy-in through targeted POCs
Full Development & Integration
Deploy across channels and integrate with CRMs, databases, or APIs
Outcome: Fully functional, end-to-end voice automations in your live environment
Training & Handover
Enable your team to monitor, train, and improve the agent
Outcome: Complete ownership and an empowered internal team ready to manage your voice agent
Optimization & Iteration
Improve accuracy, add languages, and scale into new flows
Outcome: Continuous performance improvements and expanded capabilities across your voice ecosystem
Industries We Serve
Voice Agents for Any Industry - Built to Scale
We tailor voice interfaces to your sector’s unique needs, regulations, and user flows.
Industries We Serve:
SaaS & Startups
Voice onboarding, support, internal ops
E-commerce
Order updates, returns, product discovery
HR & Recruitment
Candidate screening, interview scheduling
Healthcare
Appointment scheduling, patient intake, reminders
Logistics
Dispatch updates, delivery confirmations
Travel
Booking updates, itinerary changes, support
If your operations feel too complex for templates, you're in the right place.
Why Empiric for Voice Agents
Why TeamsTrust Empiric for Voice AI
We combine technical depth with product thinking - so your voice agents actually drive business impact.
Our Approach:
Voice-first UX: Context-aware, human-like conversations
Our voice agents pull in real-time data from your systems to drive natural, context-rich dialogues that feel truly human.
Multi-channel delivery: WhatsApp, phone, app, web
Deploy a single voice agent across all touchpoints-calls, chat apps, mobile/web interfaces-while keeping a unified conversational brain.
Self-hosting & compliance options for full control
Run your voice agents on-prem or in your VPC, with built-in privacy controls and audit logs to meet any regulatory or security requirement.
Fast, pilot-first delivery with tangible ROI
Get a live voice pilot in days, test with real customers or agents, and track hard metrics-revenue lift, handle time reduction, satisfaction scores.
Post-launch support & iteration
Continuous monitoring, fine-tuning, and language expansion so your voice agent keeps improving and scales with your business needs.
Analytics & Insights Dashboard
Real-time call analytics, sentiment tracking, and performance metrics to empower data-driven optimizations of your voice agents.
Tools We Integrate - Built Around Your Stack, Not Ours
Agnostic. Conversation-First Aligned to Your Stack.
We architect AI agents as the central intelligence in your ecosystem, plugging into your existing data sources, APIs, and workflows. Whether you’re leveraging open-source models, enterprise platforms, or a hybrid stack, our solutions adapt to your tech environment-delivering a unified, scalable system without forcing you into a one-size-fits-all toolchain.
What We Work With:
AI & Language Models
Automation Platforms
AI Frameworks
Voice & Communication
Backend & Database
OpenAI
Claude
Gemini
Mistral
Meta LLaMA
We’ll design a setup that fits your compliance and control needs.
Why Businesses Choose Empiric Infotech LLP?
We worked with Empiric Infotech to build a chatbot for our children’s theater project, and we’re so glad we did. The team was fast, responsive, and kept working until everything was perfect. The project was delivered on time, within budget, and the end result looks and works great. We’re truly grateful for their support
E-commerce Brand
I found in Empiric Infotech an excellent partner to build my blockchain platform. They are professional, knowledgeable, and supportive at every stage. Even after launch, we keep collaborating - and the results have always been wonderful
Founder Winupdraws
I was looking for a skilled software team to help me transform my prototype into a complete app. Empiric Infotech not only delivered exactly what I needed, but also added custom features, backend notifications, and guided me through publishing on both app stores. Their communication was smooth and reliable. I can gladly recommend them.
Founder and consultant at tak innovation
We needed support to strengthen our technical platform, and Empiric Infotech delivered exactly what we were looking for. The team was professional, responsive, and kept everything on track with both time and cost. As our company grows, we’re glad to have them as a trusted partner and would happily recommend their services.
Founder Skapasaga
Finding the right agency for our My Ayur app was challenging, but Empiric Infotech delivered exactly what we needed. Over past months, their expertise in FlutterFlow and MongoDB stood out, consistently delivering high-quality work. Professional, friendly, and reliable - a partner I would confidently recommend.
Founder and CEO Sresht Ayur
We worked with Empiric Infotech to build a chatbot for our children’s theater project, and we’re so glad we did. The team was fast, responsive, and kept working until everything was perfect. The project was delivered on time, within budget, and the end result looks and works great. We’re truly grateful for their support
Eva MesmanE-commerce Brand
I found in Empiric Infotech an excellent partner to build my blockchain platform. They are professional, knowledgeable, and supportive at every stage. Even after launch, we keep collaborating - and the results have always been wonderful
John FelipeFounder Winupdraws
I was looking for a skilled software team to help me transform my prototype into a complete app. Empiric Infotech not only delivered exactly what I needed, but also added custom features, backend notifications, and guided me through publishing on both app stores. Their communication was smooth and reliable. I can gladly recommend them.
Andrzej KarelFounder and consultant at tak innovation
We needed support to strengthen our technical platform, and Empiric Infotech delivered exactly what we were looking for. The team was professional, responsive, and kept everything on track with both time and cost. As our company grows, we’re glad to have them as a trusted partner and would happily recommend their services.
Fredrik HagenFounder Skapasaga
Finding the right agency for our My Ayur app was challenging, but Empiric Infotech delivered exactly what we needed. Over past months, their expertise in FlutterFlow and MongoDB stood out, consistently delivering high-quality work. Professional, friendly, and reliable - a partner I would confidently recommend.
Eshu MiddhaFounder and CEO Sresht Ayur
Compliance & Security
Voice Automation with Enterprise-Grade Security
What We Deliver:
GDPR-compliant voice data handling
Self-hosted options for LLMs and voice platforms
RBAC, call logging, and secure integrations
Configurable data retention policies
Built for teams that need voice AI - without compromising control.
Let’s Build the Smart System Your
Business Deserves
FAQs
Answers to Common Questions - From Founders, Ops Teams & Tech Leads
Frequently asked questions
Inbound: AI receptionists for reception and after-hours, AI answering services that never send a caller to voicemail, support agents for order status and account questions, and appointment booking and rescheduling for clinics, salons, home-services companies, and the like. Outbound: reminder and follow-up calls, lead qualification, surveys, win-backs, all with consent and opt-out handling and respect for national calling rules. And IVR replacements that swap a phone menu for a conversation - multilingual where your callers need it.
Two ways, billed in EUR with the EU VAT reverse-charge and a signed DPA. By the hour at €25 - pay as you go, time tracked to the minute, a weekly report and demo, no monthly commitment - best for a defined scope like a priority inbound flow, a single outbound campaign, or GDPR consent and recording-disclosure work. Or monthly at the standard €2,000 per dedicated developer for 160-172 hours of full-time, exclusive work on your voice agent, in your repo, EU telephony account, and EU cloud, on full European overlap, with a 7-day risk-free trial - the better value when the agent is a rolling thing with more flows, more languages, and patient edge-case tuning. Either way: a senior lead reviews and tests every release. The monthly rate is the same flat rate as every other Empiric Infotech engagement; no premium for the voice framing. Per-minute platform, telephony, STT/TTS, and model usage is billed to your own accounts at cost. Add a developer at the same flat rate for more flows or another language.
The real-time voice platforms - Vapi, Retell AI, Bland, LiveKit, Pipecat - with telephony via Twilio, Telnyx, or your own SIP trunk, STT from Deepgram, AssemblyAI, or Whisper, TTS from ElevenLabs, Cartesia, Rime, or OpenAI (across the languages your callers speak), and an LLM brain (Claude, GPT, or Gemini). We pick the stack to fit your latency, languages, cost, and integration needs.
Yes to both. We build it across the languages your callers actually speak, and integrate it with Salesforce, HubSpot, Pipedrive, your scheduling tool (Calendly, Acuity, Cal.com, your own), Zendesk, Intercom, Freshdesk, your booking or PMS system - read and write, two-way - so a call updates your systems and a record can trigger a call. Custom internal APIs too, via function calling or an MCP server (see /services/mcp-server-development).
We tune for it: sub-second response latency, natural interruption and barge-in handling, backchannels, a voice and persona you sign off on, voicemail detection on outbound. It will not pass a Turing test, but it will keep a caller on the line and get the job done - and when a caller wants a human, it warm-transfers with context, not into a queue.
If your need is a single simple flow in one language and you have the time to learn the platform, configure the integrations, and maintain it, a no-code platform may be enough - and we will say so on the scoping call. A dedicated developer is the right call when you need real integrations, multiple languages or complex flows, outbound campaigns, careful latency and transfer tuning, GDPR-aware compliance, analytics, and someone who keeps it working as the models change. We build it in your accounts; you own it and can run it without us.
We build in the recording disclosures GDPR and national law require, consent capture, do-not-call and opt-out handling on outbound, business-hours respect, EU data residency, and a signed DPA on day 0 - and keep recordings and transcripts in your EU storage. We are not your DPO, but the agent is built so a GDPR review has something sensible to look at, and we will flag the obvious requirements for your use case and country.
Yes - the orchestration backend (Node.js or Python), the webhooks, the outbound campaign queues, the rate and concurrency limits, and a dashboard on call volume, containment, transfer rate, booking rate, and unanswered questions. If the dashboard needs real design work, we add a designer at the same flat per-developer rate.
You do - your GitHub or GitLab org, your Twilio/Telnyx account, your phone numbers, your EU cloud account, your platform account, from day one. EU data stays on EU infrastructure. We work inside your accounts, not ours, so there is nothing to claw back if the engagement ends and no usage spend hidden in our invoice.
Within 48 hours of sign-off: a scoping call on a CET/GMT slot, a written scope and team proposal, then onboarding - your telephony account, your EU cloud, a working dev environment - on day one. The first 7 days are a risk-free trial with a full refund if it is not a fit and a no-cost developer swap inside that window. After that, monthly billing in EUR (VAT reverse-charge) with 7 days notice to stop - no auto-renewal, no minimum term.
GET A QUOTE NOW
Tell us about your challenges, and we’ll come up with a viable solution!
