Introduction: The Cost Question Every Trade Business Faces
If you run a plumbing, electrical, roofing, or building business in the UK, you have probably asked yourself: should I hire a receptionist, or is there a better way to handle incoming calls? The decision has significant financial implications. A full-time human receptionist costs between £27,800 and £38,700 annually when all overhead is included. An AI receptionist costs between £708 and £1,500 per year — a 94-98% reduction.
This guide provides a comprehensive, data-driven comparison of human and AI receptionists for UK trade businesses in 2026. We examine real costs, features, ROI, and implementation considerations to help you make an informed decision. These figures are backed by independent research. Our UK Trades Industry Financial Impact Report draws on data from Replicant AI, BT Business, and the Federation of Small Businesses to quantify the missed call crisis.
Cost Comparison at a Glance
Before diving into detail, here is the headline comparison:
| Cost Factor | Human Receptionist | AI Receptionist |
|---|---|---|
| Annual base salary | £22,000 – £28,000 | £708 – £1,500 |
| Employer NI (13.8%) | £2,200 – £2,800 | Included |
| Auto-enrolment pension | £600 – £900 | Included |
| Holiday / sick cover | £2,000 – £3,000 | Included (24/7) |
| Training & management | £1,000 – £2,000 | None |
| Office space & equipment | £500 – £1,500 | None |
| Total annual cost | £27,800 – £38,700 | £708 – £1,500 |
| Cost per call answered | £2.40 – £3.30 | £0.08 – £0.15 |
Human Receptionist: The True Total Cost
Base Salary and Direct Costs
The advertised salary for a UK receptionist ranges from £22,000 to £28,000 depending on location and experience (Indeed UK, 2026; Reed.co.uk, 2026). London-based receptionists command salaries at the upper end, while regional businesses may pay slightly less. However, the salary is only the beginning.
Employer National Insurance contributions add 13.8% on earnings above the secondary threshold, equating to approximately £2,200-£2,800 annually. Auto-enrolment pension contributions add a further 3% of qualifying earnings, or £600-£900 per year (GOV.UK, 2025).
Hidden Costs That Add Up
The hidden costs of employing a receptionist are substantial:
- Holiday and sick cover: £2,000-£3,000 annually through temporary staff or overtime.
- Training and management: £1,000-£2,000 in the first year with recurring costs.
- Office space and equipment: Desk, computer, phone system, and software licenses — £500-£1,500.
- Recruitment: When turnover occurs, fees equal 15-20% of annual salary (£3,300-£5,600).
The Federation of Small Businesses estimates that the true cost of employment is 1.25-1.4 times base salary when all factors are included (FSB, 2025). For a receptionist on £25,000, the real annual cost is £31,250-£35,000.
Capacity Limitations
A single human receptionist can handle one call at a time. During busy periods, calls go to voicemail or ring out. A receptionist works 40 hours per week — no coverage exists for evenings, weekends, or bank holidays. For trade businesses where emergencies happen outside 9-to-5, this creates a structural gap that directly costs revenue.
AI Receptionist: What You Actually Pay
Transparent Pricing
AI receptionist services for UK trade businesses typically charge a flat monthly fee:
- Entry tier: £59/month (£708/year) — up to 100 minutes, sole traders.
- Standard tier: £99/month (£1,188/year) — up to 250 minutes, small teams.
- Professional tier: £149/month (£1,788/year) — unlimited, multi-user, advanced integrations.
There are no additional costs. National Insurance, pension, holiday cover, sick cover, training, and equipment are all irrelevant. The price quoted is the price paid. See our pricing page for current plans.
Feature Comparison
| Feature | Human | Virtual Service | AI |
|---|---|---|---|
| 24/7 availability | No | Yes | Yes |
| Multiple simultaneous calls | No | Limited | Unlimited |
| Call qualification | Variable | Basic | Advanced |
| Instant transcript | No | Summary only | Full transcript |
| Multi-language | Depends on hire | Limited | 40+ languages |
| Annual cost | £27,800-£38,700 | £5,000-£12,000 | £708-£1,500 |
ROI Analysis: Real Numbers for Trade Businesses
Return on investment for AI receptionists is exceptionally high. Consider a typical plumber receiving 40 calls per week:
- Current missed calls: 34% of 40 = 13.6 calls missed weekly (industry average).
- Value per call: £350 average job × 30% conversion = £105 expected value.
- Recovered calls: AI captures 50% of previously missed = 6.8 additional jobs/week.
- Weekly recovered revenue: 6.8 × £105 = £714.
- Annual recovered revenue: £714 × 52 = £37,128.
- AI service cost: £708/year.
- ROI: 5,148%. Payback period: 5.5 days.
Which Trades Benefit Most?
Plumbers, electricians, roofers, and builders all benefit significantly. Emergency trades see the highest returns because callers with urgent problems do not wait — they call the next number. Heating engineers and locksmiths capture high-value emergency work that would otherwise go to competitors.
Making the Switch: Implementation Guide
Switching to an AI receptionist is straightforward. Most services are operational within 24 hours:
- Choose your service tier — Estimate monthly call volume. Entry tier (£59/month) suits sole traders with 20-30 weekly calls.
- Configure your AI agent — Set up business details, services, coverage areas, and qualification questions.
- Connect your phone number — Forward your existing number to the AI service (1-2 hours).
- Integrate your calendar — Connect Google Calendar or your scheduling tool.
- Test and refine — Make test calls, adjust greetings and escalation rules.
Conclusion
For UK trade businesses, the economic case for AI receptionists is overwhelming. A 94% cost reduction combined with superior capability — 24/7 coverage, unlimited calls, intelligent qualification — makes this one of the highest-ROI investments available to small businesses.
The average trade business loses £50,000-£80,000 annually to missed calls. An AI receptionist costing £708 per year can recover a significant portion of that lost revenue while eliminating the administrative burden of voicemail management.
With most providers offering 7-day free trials, the only question is: how many calls will you miss before making the switch? View our pricing and start your free trial today.