Telephone answering service: what it is and how it works

A telephone answering service provides trained receptionists to remotely answer your business calls for you, greeting each caller in your company name and then taking a message, transferring the call or booking an appointment, exactly as you’ve instructed. It means your phone is covered by a real person even when you can’t pick up yourself.

This guide explains what a telephone answering service is, how it works step by step, who tends to use one and what to expect. It’s written from our experience answering calls for thousands of small businesses across the UK.

Table of contents

What is a telephone answering service?

A telephone answering service is an outsourced team of receptionists who answer your incoming calls in your company name. Rather than a call ringing out or dropping to voicemail, a real person picks up, greets the caller as though they work in your office, and handles the call the way you’ve asked.

It’s sometimes called a call answering service or a virtual receptionist service. Whatever the name, the idea is the same: your callers always reach a friendly, professional human, and you stay in control of your day. If you’re ready to set one up, our telephone answering service does exactly this for UK businesses.

How does a telephone answering service work?

A telephone answering service works by diverting your calls to a team of receptionists who answer using your business name and instructions. You keep your existing number. Here’s the process, step by step:

1. You set your preferences: You tell the provider your greeting, how you’d like calls handled and who should receive messages or transfers.
2. You forward your number: You divert calls from your business line to the unique number you’re given. You can forward every call, or only the ones you miss, are too busy to take, or that come in out of hours.
3. A receptionist answers in your name: When a call comes through, a receptionist greets the caller as your business and follows your instructions.
4. The call is handled: Depending on your plan, that means taking a message, transferring the call to you or a colleague, capturing lead details or booking an appointment.
5. You’re kept in the loop: Messages are sent to you, typically by email or text, so nothing slips through the cracks.

Setup usually takes only a few minutes, and because you keep your own number, your callers never know anything has changed.

Who needs a telephone answering service?

A telephone answering service suits any business that can’t always get to the phone, but it’s especially valuable for small businesses, where there’s often no one free to answer. The UK is overwhelmingly a nation of small businesses: according to the government’s Business Population Estimates 2025, 99.9% of the UK’s 5.7 million private sector businesses are small or medium-sized, and most are micro businesses with very few staff.

For those businesses, the phone is still where a lot of new work begins, and a missed call is often a missed customer. A telephone answering service tends to help businesses that:

• Are run by busy owners who are often on a job, with a client, or away from the desk
• Get calls outside office hours, including evenings, weekends and bank holidays
• Have unpredictable call volumes and can’t justify a full-time receptionist
• Want a professional first impression, so a small team sounds established and reliable
• Need cover for holidays, sickness or busy spells

What can the receptionists do?

A good telephone answering service does far more than take messages. Exactly what’s included depends on your plan, but typically covers:

• Message taking and prompt delivery by email or text
• Call transfers to you or the right colleague
• Lead and enquiry capture, gathering caller details so you can follow up
• Appointment booking directly into your scheduling software
• Order taking and answers to common questions

At ReceptionHQ, these are split across simple plans, from straightforward message-taking services through to full lead capture and diary management. You can see how they compare on our live call answering page.

What our clients say.

“The service is excellent and it allows us to work with focus without the telephone disrupting our day. Very happy!”

— Kabo Creative Limited

What other clients say

Are telephone answering services available after hours?

Yes. A key reason businesses use a telephone answering service is to stay reachable when their own office is closed. Out-of-hours calls are easy to lose, because they arrive exactly when no one’s there to answer.

With ReceptionHQ, our UK team answers the majority of calls during standard office hours, 9:00am to 5:30pm Monday to Friday. Outside those hours, calls are looked after by our teams in Australia and the US, so you have round-the-clock cover. And, unlike with many answering service providers, there’s no after-hours surcharge. You can read more about after-hours answering and how it keeps you reachable.

Telephone answering service vs voicemail: which is better?

For most businesses, a live telephone answering service beats voicemail, because callers are far more likely to speak to a person than to leave a message. The phone is still the channel people reach for first: Ofcom’s research shows the phone remains by far the most popular way customers contact service providers, well ahead of webchat.

Voicemail puts the effort back on the caller, and many simply hang up and try someone else. We’ve covered this in detail in our guide to phone answering service vs voicemail.

How much does a telephone answering service cost?

This can vary considerable, depending on the provider, the features you require and your call volumes. ReceptionHQ’s telephone answering services start from £15 a month, with a choice of per-call or per-minute pricing. Our per-minute plans are billed by the second rather than rounded up, so you only pay for the time you actually use, and there’s no after-hours surcharge or lock-in contract.

For a full breakdown, see our pricing page or our guide to 24/7 phone answering service costs in 2026.

How do you set up a telephone answering service?

Setting up a telephone answering service takes only a few minutes and you keep your existing number. You share your greeting and call-handling preferences, confirm who receives messages, and forward your business line to the number you’re given.

With ReceptionHQ there’s instant activation and a 7-day answering service free trial with no credit card required, so you can hear how your business sounds before you commit.

What our clients say.

“Easy to set-up account, all staff are helpful and knowledgeable. Thank you to Gemma who guided us through the process.”

— Clare Potten via a Google review

What other clients say

Frequently asked questions