A phone answering service employs trained agents to answer calls on your behalf, take messages, and pass them on. For businesses that receive a high volume of calls requiring real conversation, this can make sense. For most UK sole traders and small teams, it is often more expensive and less effective than the alternative.
This guide covers what UK answering services cost, what they actually do, who they make sense for, and why an automated SMS reply is frequently the more practical solution for tradespeople and local service businesses.
What does a phone answering service actually do?
UK phone answering services redirect your business number to a pool of remote agents who answer calls in your company name. The level of service varies significantly between providers:
- Message-taking services: agents take the caller's name and number and email or text it to you. The caller is told you will call back.
- Virtual receptionist services: agents have a script and basic information about your business. They can handle FAQs, book appointments if connected to your calendar, and transfer urgent calls to your mobile.
- Full overflow services: agents handle calls only when your own staff are unavailable, seamlessly taking over when lines are busy or outside business hours.
How much does a phone answering service cost in the UK?
UK answering service pricing typically works on a combination of a monthly base fee and a per-minute or per-call charge. Entry-level packages from well-known providers start around £50 to £75 per month for a small call allowance, but grow quickly as call volume increases.
Most answering service providers charge per minute of talk time. If your callers are verbose or your script requires the agent to ask several questions, costs can exceed the estimated monthly figure quickly. Always check what happens when you exceed your monthly allowance.
Answering service vs automated SMS reply: a direct comparison
| Factor | Live answering service | Automated SMS reply |
|---|---|---|
| Monthly cost | £150 to £600+ | From £47 (TextBack Pro) |
| Setup time | Days to weeks (script approval, training) | Under 5 minutes |
| Response time | Seconds (if agent available) or hold time | Under 5 seconds, guaranteed |
| Out-of-hours cover | Costs significantly more | Included. Works 24/7 at no extra charge |
| Caller experience | Personal. Caller speaks to a human. | Caller receives a text immediately |
| Scalability | Cost rises with call volume | Fixed monthly cost regardless of call volume |
| Suitable when caller needs complex help | Yes | No. SMS handles routing only |
| GDPR compliance | Requires DPA with provider | Opt-out handled automatically via STOP |
Who actually needs a live answering service?
A live phone answering service makes most sense for businesses where:
- Callers need to discuss complex or sensitive matters that require a human response.
- Call handling is a significant part of the business operation (e.g. a solicitor's practice, a medical clinic).
- The business has a high volume of inbound calls that would overwhelm one person.
- Brand perception depends on a personalised, professional phone experience.
For most UK tradespeople, a plumber, an electrician, a builder, an estate agent, a salon owner, the reality is different. The majority of missed calls are from people wanting to know your availability, get a rough quote, or leave their number. They do not need a conversation with an agent. They need an acknowledgement that their call was received and a way to engage on their own terms.
Why SMS is the more practical alternative for most trades businesses
An automated SMS reply sent within seconds of a missed call solves the core problem without the cost or complexity of a live service. The caller knows immediately that their enquiry was registered. They can reply, book, or call back at their own convenience.
Unlike a live answering service, there is no hold time, no script to approve, no per-minute charge, and no drop in service quality on a busy Monday morning versus a quiet Friday afternoon. The response goes out in five seconds whether you miss one call or twenty.
For businesses on Pro and Scale plans, TextBack Pro also includes a two-way AI conversation. The AI responds to the caller's reply, answers common questions, and can book appointments directly into Google Calendar. The result is a caller experience that handles the majority of enquiries automatically, with you stepping in only when a genuine conversation is needed.
From £47/month, including 24/7 automated SMS reply
TextBack Pro replies to every missed call within 5 seconds, around the clock, with no agents, no hold time and no per-minute charges.
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