AI Receptionist vs Human Receptionist: The UK Numbers

TL;DR

A UK receptionist costs somewhere between £22,000 and £31,000 in salary, plus 15% employer National Insurance above £5,000, plus a 3% pension minimum, plus 28 days of holiday you still have to cover. An AI receptionist runs roughly £25–£200 a month and answers every call at once, at 3am, without a rota. But cost isn't the deciding factor — what your calls actually need is. Here are the real UK numbers, including the employer NI detail nearly every comparison article gets wrong.

Why every other comparison dodges the numbers

Search this topic and you'll find a dozen well-written articles that carefully avoid telling you what anything costs.

We checked the pages currently ranking. One of them — a detailed, genuinely decent comparison with a nine-row table — quotes no prices at all and points you to two other pages. Another gives figures in US dollars: $30,000–$45,000 salary, $11.99 a month for software. Useful if you're in Ohio. Less so if you're paying employer National Insurance in Ipswich.

That's the gap this post is filling. Not because we're braver, but because the maths is the whole decision and it's oddly hard to find.

What a human receptionist actually costs in the UK

Start with salary, and immediately hit a problem: the sources disagree, wildly.

That spread isn't sloppiness — it's a real thing. "Receptionist" covers a part-time role in a village dental practice and a front-of-house position in a City law firm, and averaging them produces a number that describes neither.

So pick the one that matches your actual job. For most owner-run businesses outside London, £24,000–£26,000 is a realistic full-time figure, which is roughly where live job listings sit.

The bit most articles get wrong

Then you add employment costs. This is where comparison articles reach for "add 20% on top" and move on. It's worth being more precise, because the precise answer is better for hiring than the lazy one.

• Employer National Insurance is 15% on earnings above the £5,000 secondary threshold. On a £25,000 salary that's 15% of £20,000, so £3,000.
• But the Employment Allowance lets eligible employers offset up to £10,500 of their employer NI bill. A small business employing one receptionist may therefore pay no employer NI on them at all.
• Workplace pension adds a 3% employer minimum on qualifying earnings under auto-enrolment.
• Statutory holiday is 5.6 weeks — 28 days including bank holidays. You're not paying extra for it, but you are paying for 28 days a year when the phone needs answering by someone else.

So the honest number for one full-time receptionist at £25,000 is closer to £25,800–£28,800 a year depending on whether the Employment Allowance covers you — not the £30,000+ that a flat 20% uplift implies.

We'd rather you had the real figure. If you're going to decide against hiring, decide against it for a true reason.

The costs that don't appear on a payslip

• Cover. 28 days of holiday, plus sick days. Someone answers the phone, or nobody does.
• Hours. They go home. A large share of enquiries land in the evening and at weekends.
• One call at a time. Two callers, one loses.
• Recruitment and ramp-up. Advertising, interviewing, and a few weeks before they know your business well enough to answer confidently.

None of that makes hiring wrong. It just means the comparison isn't "salary versus subscription."

What an AI receptionist actually costs

Usage-priced, so there's no idle time to fund. For most small UK businesses that lands around £25–£200 a month, scaling with call volume rather than with hours covered.

The structural difference matters more than the number: there's no rota. Covering 3am costs roughly what covering 3pm costs, because nobody is awake either way. That's why 24/7 tends to be included rather than a premium tier — a point we go into properly in the answering service pricing breakdown, which has real published UK provider rates.

The honest caveat: cheap AI is worth what cheap anything is worth. A bot that reads a script and takes a message has replaced your voicemail, not your receptionist.

That caption is doing real work, so don't skim it. Comparing an annual salary to a monthly subscription is the oldest trick in this category's marketing, and we're not going to run it on you. On the same yearly basis it's roughly £300–£2,400 against £25,800–£28,800 — still a large gap, just an honest one.

Side by side

Where a human still wins

We build AI voice agents, so treat this section as the one we have the least incentive to write. It's still true.

• Anything emotionally loaded. A complaint, a bereavement, a customer who is upset. A person should take that call.
• Judgement calls that cost money. Discounting, bending a policy, deciding whether to squeeze someone in. That's a decision, not a lookup.
• The genuinely unscripted. Odd, one-off situations that don't resemble anything the agent was set up for.
• Regulars and relationships. A receptionist who knows a customer's history and asks after their loft conversion is doing something real. AI can be told facts; it can't have known someone for six years.

If most of your calls look like that, hire a person. That's not a failure of AI, it's a description of your business.

Where AI wins, and it isn't close

• The repetitive 80%. Do you cover my postcode, roughly what does it cost, how soon can you come, are you open Saturday.
• After hours. The evening and weekend enquiries that currently go to voicemail — where fewer than 3% of callers leave a message.
• Two calls at once. Nobody queues, ever.
• Speed. Under two seconds, every time. And speed genuinely decides who wins the job.
• Consistency. The Friday-at-5pm answer matches the Tuesday-morning one.

Auto attendant vs AI receptionist

Worth separating, because they get conflated constantly and they are not the same product.

An auto attendant is the press-1-for-sales menu. It routes calls. It doesn't understand them. The caller has to translate their actual problem into your menu structure, and if their problem doesn't fit a menu option, they either guess or hang up.

An AI receptionist has a conversation. The caller says "my boiler's making a noise and I've got a newborn in the house" and it understands the urgency, answers the question, and books the visit.

One is a switchboard. The other does the receptionist's job. If you've been told an auto attendant is "basically AI now", you've been told something untrue by someone selling one.

AI vs remote vs in-person

Three options, often collapsed into two.

• In-person. Your own employee, on site. Best context, highest cost, business hours only.
• Remote or virtual receptionist. A real person off-site, usually covering several businesses. You get human judgement at lower cost, but typically message-taking rather than booking, per-call or per-minute billing, and a queue at busy moments. This is also where the answering service comparison is worth reading.
• AI. Instant pickup, unlimited concurrency, direct calendar booking, 24/7 — and an honest handover when a call needs a person.

The useful distinction isn't human-versus-machine. It's on-site context, off-site human judgement, and always-on capacity. Most businesses need more of the third than they think and less of the first than they assume.

So — is an AI receptionist worth it?

Here's a test that takes twenty minutes and beats any article, including this one.

1. Pull your last 20 inbound calls. Most phone systems log them.
2. Mark each one: could this have been fully handled by someone who knew your services, prices, availability and calendar — but had never met the caller?
3. Count. If 14 or more are yes, an AI receptionist will pay for itself quickly and free your person for the other six.
4. Now count the ones you missed entirely, and what the average job is worth. That number is usually the one that settles it.

If the answer comes out at eight rather than fourteen, don't buy an AI receptionist. Buy a person, and use AI for out-of-hours overflow only.

The bottom line

A human receptionist realistically costs a UK business £25,800–£28,800 a year all-in for one full-time role, less than the flat-20%-uplift version you'll see quoted, and worth every penny for calls that need judgement, care or a relationship. An AI receptionist costs roughly £25–£200 a month, answers every call in under two seconds including the ones at 11pm, never queues, and hands over honestly when it's out of its depth.

Most businesses don't need to choose. They need the AI handling the repetitive 80% and the person handling the 20% that was always the actual job.

If you want to see which split your calls fall into, that's exactly what the Revenue Leakage Review measures — your own call data, not industry averages. Or have a look at how our AI receptionist works and get in touch if you'd rather just talk it through.