Office phone and data cabling installer

Install and fix network cabling, data points and phone systems for small offices, shops and surgeries.

Startup cost£1.5k to £6k
Monthly revenue£1.5k to £6k
Time needed15+ h/week
First incomeWeeks
  • £1.5k-6k
  • Part-time
  • Out and about

Estimates for a small start in the UK, not guarantees.

Official data

56,313 UK companies in this field, 24% registered in the last 2 years

SIC 43210 “Electrical installation”. Source: Companies House, November 2026.

What it is

Installing and testing structured cabling (such as Cat6 data points), patch panels and small phone or office network setups, plus repairs and tidy-ups of existing cabling.

Your first three steps

  1. Get trained or certified in structured cabling and learn to use a cable tester
  2. Buy a starter tool kit and tester, then price up a few typical jobs
  3. Contact local IT support firms, managed service providers and office landlords to offer your services
Who pays

Small offices, shops, surgeries, schools, landlords and IT support firms that need cabling work done but have no in-house installer.

How it makes money

Fixed quotes per job or per data point, day rates for larger jobs, and call-out fees for faults and repairs.

Skills that help
  • Cable installation and testing
  • Safe working at height and in ceiling voids
  • Clear quoting and neat, documented work
Watch out for
  • Public liability insurance, and professional indemnity if you advise on system design
  • Electrical safety: check whether your work needs electrical qualifications or notifying under Building Regulations
  • Fire-stopping when cabling passes through walls and floors, and the site rules for each building
  • Site access, asbestos awareness and safe working at height
  • Check whether any equipment you connect to public networks needs particular approval or that you follow Ofcom guidance

Deep research report · UK

Everything you need to start: office phone and data cabling installer

Researched with live web search for United Kingdom: real startup prices, the licences and rules, what others charge, a break-even example, how to find your first customers and a 30-day launch plan. With sources.

  • Startup costs with real prices
  • Licences, registration and rules
  • Pricing: what others charge
  • Break-even example
  • Finding your first customers
  • 30-day launch plan
  • Risks and how to reduce them
Ready in about 2 minutes · one-off payment, tax included

See a full sample report

Questions people ask

How much does it cost to start a cabling installation business?

Estimates suggest startup costs are typically around £1,500 to £6,000, depending on tools, testing equipment, insurance and access gear. Check what you already own before budgeting.

What rules and qualifications should I check for cabling work?

Check whether your work needs electrical qualifications or notifying under Building Regulations. Also check fire-stopping, site rules, asbestos awareness, safe working at height, insurance, and whether connected equipment needs approval or follows Ofcom guidance.

How much can a cabling installer earn?

Estimates suggest monthly revenue is typically around £1,500 to £6,000, depending on how many jobs you win and their size. The idea assumes at least about 15 hours a week.

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