AI Receptionist — 24/7 Inbound Call Handling for UK Businesses
Your business doesn't stop at 5pm. Your phone coverage does. Every missed call after hours, during lunch, or on a bank holiday is a lead handed to whoever picked up first — and in most UK industries, that's your competitor. We build bespoke AI receptionists that answer every call inside two rings, 24/7, in your brand voice.
45–60 min · Free · No pitch
An AI receptionist is a bespoke AI voice agent that answers your inbound calls 24/7, qualifies callers against your real criteria, and books straight into your calendar — in a voice trained on your brand. For UK businesses it replaces missed-call rot and after-hours leakage; the payback maths against a salaried receptionist is usually under 12 months. Builds ship in 4–6 weeks.
What this can run.
Examples — not a feature list. Yours is shaped by the bottlenecks the discovery call surfaces.
Brand-voice qualification
Greets the caller in your tone, asks your real qualification questions, captures answers in CRM-ready fields — not a generic "how can I help today?" script.
Calendar-aware booking
Books straight into your calendar respecting your availability rules, routing preferences, and buffer requirements. No double-bookings, no confirmation chase.
24/7 after-hours coverage
The 6pm, weekend, and holiday-cover calls that go to voicemail today — answered, qualified, booked or escalated, in the same conversation.
Named-human handoff
Out-of-scope callers get warm-transferred or message-routed to the right team member by topic, time of day, or any rule you specify — never stuck in "press 1".
Full CRM context
Every call writes a structured record — caller, qualification answers, outcome, transcript — so the human picks up the conversation already in flight.
Keep your existing number
Twilio, Vonage, RingCentral, native SIP — we point your existing inbound number at the AI. No rip-and-replace of your telephony.
Where an AI receptionist fits
The pattern recurs across UK industries that share one trait: the cost of a missed call is high and the call volume is unpredictable.
- Hospitality and holiday lets — guest enquiries arriving outside reception hours, last-minute booking changes, post-arrival service requests. Bookings lost to voicemail are bookings booked elsewhere.
- Trades and service businesses — plumbers, plasterers, tilers, roofers, heating engineers. The caller who can't reach you at 7pm books with whoever picks up first; that's almost never the business with a 9-to-5 receptionist.
- Professional services — solicitors, accountants, consultants. Inbound enquiries need qualification, not a "please hold" message that gets the caller wondering if the firm is too small to handle their matter.
- Automotive and dealer sales — used-car dealers in particular, where the UK industry inbound-lead response average is 47 minutes. Every minute over 60 seconds is a measurable drop in conversion.
- Healthcare and clinics — appointment requests, repeat-prescription queries, results enquiries — handled with proper triage and routing rather than a perpetually-engaged switchboard.
How it integrates with your existing stack
An AI receptionist is only useful when it talks to the systems your team already runs. Standard integration shape:
- Telephony: Twilio, Vonage, RingCentral, native SIP. Keep your existing number — we just point it at the AI.
- Calendar: Google Workspace, Microsoft 365, Calendly, native booking systems with availability rules respected.
- CRM: HubSpot, Salesforce, Pipedrive, monday.com, custom databases, or a bespoke CRM we build alongside.
- Messaging fallback: SMS, WhatsApp Business, or email digest for routed messages.
- Human handoff: warm transfer to a named team member where the qualification matches a "send to a human" rule.
What it costs
A bespoke single-business AI receptionist sits in the low five figures for the build, plus ongoing per-minute telephony costs (typically £0.05–£0.15 per call minute). For a business taking 200–500 inbound calls a month, that's roughly £20–£70/month of running cost on top of the build. Compared with a £24k–£32k UK receptionist salary for business-hours coverage only, the payback is usually under 12 months — and the AI never goes on holiday.
Right now, while you're reading this, leads are arriving after hours. Some will wait. Most won't. Every week this runs unaddressed is a week of after-hours leads going to whichever competitor picks up first.
Full breakdown in the 2026 cost guide.
Live UK AI receptionist deployments
- WheelsAI — every inbound dealer lead receives a personalised SMS response inside 60 seconds, against a UK industry average of 47 minutes — 47× faster. The Lead Revival Agent autonomously re-engages dormant buyers at a 31% conversion rate on previously cold enquiries. Built across Twilio, VAPI, and custom voice infrastructure running 24/7.
- Renew Energies — AI qualification agent on renewenergiesltd.co.uk responds to solar enquiries in seconds, auto-checks the national EPC register for the property's energy band, surfaces grant eligibility (£7,500 / £9,000 boiler upgrade scheme), and dispatches a personalised response before a human touches the lead. First-mover advantage in a market where buyers get four quotes.
- Stay By The Sea — holiday booking enquiries handled across multiple channels with consistent qualification, even outside reception hours. Direct bookings captured without OTA commission.
Sectors we've deployed this in
Every sector guide below is grounded in a live build, not a hypothetical use case.
- Car dealers — 60-second SMS response to inbound leads (vs 47-minute industry average, 47× faster). Lead Revival Agent recovers dormant buyers at 31% conversion. Full teardown in the WheelsAI case study.
- Trade businesses — plumbers, plasterers, tilers, builders. Answers every missed call 24/7, qualifies the job, books the quote visit directly into the calendar. TS Plastering and Lyttle's Tiling are live builds.
- Solar installers — responds in seconds, auto-checks national EPC register, surfaces grant eligibility (£7,500/£9,000) in the first response. Renew Energies is the live build across 2,000+ installations.
All the deployed builds in this category are collected in the voice agent and AI receptionist case studies.
Before you book
- Voice Agents — the parent capability page covering inbound, outbound, qualification, and CRM integration in full.
- AI for hospitality operators — sector-specific patterns for guest enquiries, booking changes, and out-of-hours coverage.
- AI for trade businesses — sector-specific patterns for plumbers, plasterers, tilers, roofers, heating engineers.
The before picture.
Calls after 5pm go to voicemail. A salaried receptionist can't cover after-hours, weekends, or holiday weeks — the callers who can't reach you book with whoever does.
Your reception team is competent and overstretched. They miss calls during lunch, training days, and the rush. The caller decides whether you're 'big enough' from your hold music.
Every inbound caller asks the same six questions before they reach the one that matters. Your most expensive people answer them — every time.
Qualified leads end up in three different inboxes, two notebooks, and nobody's CRM. Half get followed up. The other half become someone else's customer.
The after picture.
Every inbound call answered inside two rings, 24/7, in your brand voice.
The AI qualifies the caller against your real criteria, answers your standard questions accurately, and books straight into the right diary.
Qualified leads land in your CRM with the transcript, captured info, and a one-line summary by the time the call ends.
Out-of-scope callers get warm-routed to the named team member by topic and time — no voicemail rot, no 'press 1 for support'.
Why bespoke beats an off-the-shelf AI receptionist.
Ships a single voice and a single qualification script that fits the vendor's template.
Voice trained on your brand; qualification asks the questions your actual sales process needs, scripted with your team.
Why it matters: The caller hears your business — not "the receptionist tool the vendor sold us".
Calendar booking that fits a SaaS shape — Calendly-style availability with the vendor's routing rules.
Booking logic respects your real availability rules, routing preferences, buffer requirements, and multi-resource constraints.
Why it matters: A booking into the wrong slot wastes a sales hour. The right slot is worth more than a cheap call minute.
CRM integration writes a transcript blob and a generic "lead" record — your team has to re-key the structured fields.
Writes structured records — qualification answers, named fields, routing decisions — so the human picks up where the AI left off.
Why it matters: Handover quality is where most voice deployments quietly fail.
How this gets built
The capability pages below describe the actual build patterns we use to deliver this. Pick the one that matches the part of your operation you want to fix.
Voice Agents (parent) →
The full voice agent capability page — inbound, outbound, qualification, calendar integration.
AI Appointment Booking →
The sister use case — booking flows tuned to your availability rules and routing.
AI Customer Service →
Chat-based customer support automation. Often deployed alongside an AI receptionist.
AI Workflow Automation (pillar) →
The broader pillar — automating the repetitive cognitive work consuming your team.
AI Implementation (pillar) →
The full implementation pillar — discovery, build, integration, deployment.
Common questions
An AI receptionist answers every inbound call to your business — 24/7 — in a voice trained on your brand. It greets the caller, qualifies them against your real criteria (not a generic script), books straight into your calendar where appropriate, takes a message where it isn't, and hands off to a named team member with full context. The caller doesn't hear "please hold for the next available operator." They hear someone who already knows what the business does.
Off-the-shelf AI receptionists ship a single voice, a single qualification script, and a calendar booking flow that fits the SaaS template. A bespoke build is shaped around your sales motion: the voice matches your brand, the qualification asks the questions your actual sales process needs, the calendar logic respects your availability rules and routing preferences, and the CRM integration writes structured records — not just a transcript blob. You also own the deployment, not a vendor.
Two paths, both explicit. For booking-eligible callers, the AI books them in and the human follows up with full context. For callers outside the AI's scope, it takes a message and routes to a named team member by topic, time of day, or whatever rule fits your operation. Callers never get stuck in a loop or pushed to "press 1 for support, press 2 for sales" — the fallback is a real human, fast.
A focused AI receptionist for a single business ships in 4–6 weeks from signed scope. That includes the voice cloning or voice selection, the qualification script tuned against your real call data, calendar and CRM integration, soft launch in shadow mode, and live cut-over with monitoring. Multi-location or multi-brand deployments take longer.
A bespoke single-business AI receptionist is low five figures all-in for the build, plus ongoing per-minute telephony costs (typically £0.05–£0.15 per call minute depending on call volume and voice quality). Compared with a £24k–£32k salary for an in-house receptionist covering only business hours, the payback maths is usually under 12 months. The discovery call gives a specific costed range for your situation.
The brief is up to you. Some businesses disclose explicitly ("you're speaking with our AI assistant — I can book you in or pass you to a colleague"). Others run the AI without disclosure for routine calls. The voice quality on modern systems is high enough that most callers don't notice if you don't mention it. Both approaches are valid; the right one depends on your brand and your regulatory environment.
Still have a question? Book a discovery call — direct line to me, Dean.
Every build is bespoke. Every build starts the same way.
A 45–60 minute discovery call. We map the bottleneck, scope the build, and tell you what it would cost — including whether it's the right shape at all.
Book a Discovery Call