How Much Does an AI Receptionist Cost in the UK in 2026? A Buyer's Guide to the Market

Most pricing pages for AI receptionists in the UK don't show prices.

You click through, expecting numbers. You get a "Book a Demo" button instead. Reasonable people disagree on whether that is right or wrong. The polite version is that pricing varies by use case, integration depth, and call volume - which is true. The less polite version is that nobody wants to publish a fixed price they may need to adjust later.

This guide is for the buyer trying to read the UK market without being able to compare like-for-like prices on websites. It covers the actual range, what the bands include, the hidden costs to watch for, and the five questions that tell you what a quote actually means.

A note on terminology before we get into it. The category is most commonly searched as "AI receptionist." The product itself is more accurately a voice agent. Both are used here.

The UK voice agent market in 2026: the full range

The UK market for AI voice agents in 2026 spans roughly £25 a month at the entry tier to £500+ a month at the top of mid-market. Beyond that, you're into bespoke enterprise pricing.

The bands break down roughly as follows:

£25 to £75 a month. Entry tier. Usually a basic call-answering script with a small number of monthly minutes, light or no integration with your practice management system, and minimal customisation. Useful for very small businesses that just want a voice on the line. Not really a voice agent in the modern sense - more a smart answering service.

£99 to £200 a month. Lower mid-market. Real conversation flow, customisable scripts, integration with the common tools (calendars, CRMs, sometimes practice management systems), a reasonable monthly minutes allowance, and proper UK voice quality. For most small UK firms - a small dental practice, a 2-to-5 fee earner law firm, a 2-to-6 partner accountancy firm - this is where the affordable working products live.

£200 to £350 a month. Upper mid-market. Includes deposit-taking, multi-location support, deeper integrations (Dentally, Clio, LEAP, Xero, IRIS), bespoke call flows, AML/conflict-checking integration for legal, and human escalation rules. This is what a growing firm or a multi-location practice typically needs.

£350 to £500+ a month. Enterprise tier. Bespoke build, dedicated implementation, advanced compliance features, custom voice cloning if relevant, white-label options, and SLA-backed uptime. Useful if you have unusual requirements or operate at scale.

If a provider quotes a price below £75 a month and claims to do everything in the £200 band, that is the moment to ask for a sample call and a demo of the integration. The marketing copy is doing the heavy lifting somewhere.

A note on website-based voice agents

The pricing bands above apply primarily to phone-based voice agents — products that answer your firm's phone line. There is a separate and growing category of website-based voice agents, where the agent sits on your website as a widget rather than on your phone line.

Website-based agents are typically priced differently, because the infrastructure and integration requirements are different. They handle the visitors who are already on your website — answering questions, signposting services, and directing visitors to the right person — rather than intercepting inbound calls.

hai there is a website-based voice agent. It does not answer your phone line. It handles website visitors, sends transcripts to your team, and directs visitors to the right person when it cannot help. If you are specifically looking for a website enquiry solution rather than a phone answering service, that distinction matters when comparing providers.

Setup fees: the £500 to £1,000 question

Most voice agent providers charge a one-off setup fee for the implementation work. The right number depends on what is included.

A reasonable setup fee in 2026 covers real work:

Building the call flow for your specific firm, not a generic template

Configuring the integration with your practice management system or CRM, end to end, with testing

Training the AI on your services, fee list, opening hours, NHS-vs-private positioning, common questions, and emergency triage

A sample call review with your team, with refinements before going live

The first round of script tuning after the AI takes its first real calls

Real implementation work takes real time. A few hours of integration testing, a few hours of script writing, a few hours of stakeholder review. A setup fee in the £500 region usually reflects that work being done properly.

A setup fee much above £1,000 is worth questioning. Some UK providers charge in this range for what is essentially the same work as the £500 providers. Sometimes that is justified by deeper integration or compliance work. Sometimes it isn't.

A setup fee of £0 is also worth questioning, but for the opposite reason. If a provider is charging nothing for setup, somebody is paying for that work somewhere - usually in a rushed implementation, an inflated monthly fee, or a 12-month contract lock-in that protects them against the cost of getting it wrong.

The honest middle is a sensible setup fee that reflects implementation hours, then a sensible monthly fee, with no contract lock-in.

The line item nobody talks about: ongoing tweaks

Here is the bit the industry is quiet about.

The day your voice agent goes live, the script is roughly 90% right. Within the first month, your team will spot ten things they want adjusted. Maybe the AI is sending after-hours calls to voicemail when you'd rather they get a callback promise. Maybe the way it handles a specific question - "do you take Denplan?" or "are you legal aid?" - needs a small change. Maybe a new service has been added and the call flow needs to know about it.

These changes are small. They are also constant.

What most providers do with these is one of three things.

Some charge per change request. £50, £100, sometimes more, every time you want a tweak. By month four, the firm has stopped asking, and the AI is now drifting away from how the firm actually operates.

Some bundle changes into a higher-tier plan. The headline plan doesn't include script changes. To get them, you upgrade.

Some are simply slow. The change request goes into a ticket queue. Two weeks later, somebody emails to clarify the request. Another two weeks later, it ships.

The model that actually works for a small UK firm is the one where ongoing tweaks are included in the monthly fee. That is the difference between a voice agent that gets better over time and one that decays the moment it goes live.

This is part of how the product is supposed to work. Voice agents are generative. They produce outputs based on what they have been trained on. The first version is best effort. It learns through use. The team flags what is off, the knowledge base gets updated, the next version is sharper. That cycle does not stop at go-live, and it should not be something the customer is charged extra for every time it happens.

When you are evaluating providers, the question isn't "what does it cost." The question is "what happens when I want to change something." Ask. The answer tells you what the headline price is actually buying.

The hidden costs to watch for

Setup fee and monthly fee aside, the costs that catch firms out are these.

Per-minute overages above the bundle. Most plans include a fixed amount of monthly call minutes. Once you breach the bundle, the per-minute rate kicks in. Some providers price overages aggressively - 50p, £1, sometimes more per minute - which means a busy month can quietly double the bill. Ask what the rate is. Ask what your typical call volume looks like against the bundle.

Integration fees as separate line items. Some providers charge extra for connecting to specific practice management systems. If your bookings need to land in Dentally or Clio rather than a generic Google Calendar, confirm that the integration is included in the monthly fee, not bolted on at £50 a month. Be aware too that bespoke integrations with custom CRMs are sometimes genuinely additional work, not a hidden fee. The difference is whether the provider is honest about it upfront.

"Fair usage" caps. The headline "unlimited calls" usually isn't unlimited. There is a fair-use clause somewhere in the terms. For most small firms this never matters. For a busy practice with 500 calls a month, or an accountancy firm in January, it can.

Contract lock-ins. Most reputable providers in 2026 offer monthly rolling contracts. Some still push 12-month minimum terms. The lock-in itself isn't necessarily bad, but it changes the risk profile of trying it out. If a provider needs a 12-month contract to make the maths work, ask why.

Pay-per-change support. Covered already, but worth flagging again because it is the most underestimated cost. A reasonable monthly fee plus six change requests at £75 each turns into a materially higher real cost. Multiplied across a year, the support model can dwarf the headline price.

A useful rule: if the monthly minutes bundle is small, the per-minute overage is high, the support model is pay-per-change, and the contract is annual, the headline fee is misleading. The real number is materially higher than what is on the page.

Honest comparison: receptionist vs answering service vs voice agent

Three real options for the same job. Worth seeing them next to each other.

Full-time UK receptionist (loaded cost): £32,000 to £45,000 a year. Covers around 40 hours a week. Excellent at the human elements - the anxious patient, the long-standing client, the walk-in. Cannot answer two calls at once. Has lunch breaks, holidays and sick days. The right answer when the work is genuinely human work.

Traditional UK answering service: £150 to £550 a month. Picks up overflow when your team can't. Reads from a script. Usually no integration with your practice management system - the bookings come through as emails for somebody to re-type. Useful as a back-up. Not a primary phone strategy.

AI voice agent for a UK SME: Most credible mid-market products land somewhere between £99 and £350 a month, plus a one-off setup fee in the £0 to £1,000 range depending on the provider. Picks up every call within seconds. Integrates directly with your systems where the integration is supported. Identifies itself as AI at the start of the call. Doesn't replace the front desk - works alongside it.

Website-based voice agent for a UK SME: A newer and typically more focused category. Sits on your website as a widget rather than on your phone line. Handles the visitors who arrive on your site with a question and would otherwise leave without an answer. Priced separately from phone-based agents - typically lower monthly cost, lower setup cost, narrower capability set. The right tool for the website enquiry problem specifically, not the phone coverage gap.

The numbers above are for the same job: covering the firm's enquiry capacity. The right answer for most small UK firms in 2026 is "team plus voice agent." The receptionist keeps doing what only a person can do. The voice agent handles the structured work that keeps pulling them away from it.

Cost per converted enquiry: the metric that actually matters

Here is the bit most pricing comparisons skip.

The headline price tells you what you are paying. It does not tell you what you are getting.

The metric that matters for a voice agent is cost per converted enquiry. Not cost per call. Not cost per minute. Cost per enquiry that turns into a booked appointment, a signed instruction, or an onboarded client.

A worked example, using mid-market UK pricing as a placeholder. Suppose the all-in cost (monthly fee plus amortised setup) of a voice agent is around £225 a month. Suppose the agent handles 200 enquiries in a typical month - some new enquiries, some existing clients, some general questions. Of those, 60 are new enquiries. Of those, 40 convert into a booked appointment. Of those, 25 become real revenue.

Cost per enquiry handled: £1.13.

Cost per new enquiry handled: £3.75.

Cost per booked appointment: £5.63.

Cost per converted client: £9.

Compare that to the value of the customer. A new patient at a UK dental practice is worth £850 to £1,300 in immediate revenue and £4,500 to £8,000 over their lifetime. A new instruction at a UK law firm is worth £400 to £2,500 immediately, often much more. A new client at a UK accountancy firm is worth £600 to £4,000 a year, recurring.

Single-figure pounds to acquire a client worth several thousand pounds is not really a pricing question. It is a maths question with one answer.

The cost-per-converted-enquiry framing is the one to take into the comparison conversation. Not the headline price.

Industry-specific pricing notes

A few sector-specific points that matter.

Dental: UK pricing for voice agents in dental practices is usually quoted per practice, sometimes per chair for multi-chair sites. Confirm the basis before signing. A four-chair practice on a per-chair plan is materially different to a four-chair practice on a per-practice plan.

Legal: UK law firm pricing is sometimes quoted per fee earner for the larger plans. A 5-fee-earner firm should be paying differently to a 12-fee-earner firm. Confirm whether the fee-earner basis is for licensing, capacity, or both.

Accountancy: Per partner is the most common basis for UK accountancy firms. Check whether the seasonal spike in January and the year-end window is covered by the standard plan or whether you need a "tax season" allowance.

These structures matter because the wrong one can quietly double your bill in a busy month.

Five questions to ask before signing

If you do nothing else from this guide, ask these five.

One: What is included in the headline monthly price, and what is charged separately?

Two: When I want a change to the agent, how does that work and what does it cost?

Three: Which UK practice management or CRM systems do you integrate with directly, and which require additional work?

Four: Where is the conversation audio and transcript data stored, and what is the data retention policy?

Five: Can I try a sample agent for a firm like mine, in the right voice region, before signing?

If a provider hesitates on any of these, that is information.

What this comes back to

For a small UK professional services firm in 2026, the honest answer to "what does an AI receptionist cost" is: it depends on what's in the package, and the providers who give you a flat number on a webpage are usually the ones whose price is least informative.

The credible mid-market for working phone-based voice agents lands between £99 and £350 a month. Setup fees range from £0 (with caveats) to £1,000 (sometimes justified, sometimes not). Hidden costs vary widely. The headline price is rarely the real number.

Website-based agents like hai there are a separate and typically more focused category — lower cost, narrower scope, and built for the website enquiry problem rather than the phone coverage gap.

The honest comparison isn't "is this provider cheap or expensive." It is "what does it recover for us versus what it costs us, including the bits that aren't on the headline."

For most small UK firms with a structural enquiry capacity gap, the maths is straightforward in principle. The annual cost of the voice agent sits in the low thousands. The annual cost of missed enquiries sits between £30,000 and £60,000. The decision isn't a hard one once you can compare like-for-like.

What is harder is comparing like-for-like in the first place. That is the work this guide is trying to make easier.

FAQs

How much does an AI receptionist cost in the UK in 2026?

The UK market spans roughly £25 to £500 a month, with credible mid-market phone-based plans clustering between £99 and £350. Website-based agents are typically priced separately and often lower. The headline price varies less than what is included in it - integration depth, monthly usage, ongoing support, and contract terms all change the real cost.

Is there a setup fee for an AI receptionist?

Most providers charge a one-off setup fee. A reasonable number is in the £500 region for genuine implementation work - conversation flow build, integration, training, sample agent review, and the first round of tuning. Setup fees of £0 are worth questioning. Setup fees well above £1,000 are also worth questioning unless they reflect bespoke compliance or integration work.

What should £200 a month buy with a voice agent?

At the credible mid-market, around £200 should include a real conversation flow, live integration with the system you use, a sensible monthly usage allowance, UK data residency, and ongoing tweaks at no extra charge. The last point is the one most firms forget to ask about.

Are there hidden costs with AI receptionists?

Yes, often. Watch for per-minute overages above the bundle, integration fees as separate line items, fair-use caps on "unlimited" plans, 12-month contract lock-ins, and pay-per-change support models that quietly inflate the bill.

Is a voice agent cheaper than hiring a UK receptionist?

For most small firms, yes. A loaded UK receptionist costs £32,000 to £45,000 a year. A voice agent costs in the low thousands annually. The right comparison is usually not "AI vs hiring" but "team plus voice agent vs hiring more people."

How is voice agent pricing calculated for dental, legal and accountancy firms?

Dental pricing is usually per practice, sometimes per chair. Legal pricing is sometimes per fee earner. Accountancy pricing is typically per partner. Confirm the basis in writing before signing.

What is the cheapest AI receptionist in the UK?

Entry-tier phone-based plans start at £25 to £75 a month, but they typically lack proper integration, ongoing support, or a working conversation flow. Website-based agents are a separate category with different pricing. For most professional services firms, the cheapest credible option starts around £99 a month.

How do I get a quote from hai there specifically?

hai there is a website-based voice agent — it sits on your website rather than answering your phone line. Join the waitlist and we will give you a price based on your firm size, sector, and what your website visitors typically need to know. We don't publish a flat rate because the right number depends on what your specific firm needs.

hai there is a UK-built website voice agent for small professional services firms. It sits on your website, answers the structured enquiries your visitors bring to it, identifies itself as AI in every conversation, and sends your team a transcript afterwards. To find out whether it is the right fit for your firm, join the waitlist.