What I Wish I'd Known Before Starting My Electrical Business: 10 Years of Lessons

A Decade of Mistakes, Successes, and Hard-Won Wisdom

Ten years ago, I qualified as an electrician and went self-employed almost immediately. I was confident, had decent skills, and absolutely no idea what I was doing on the business side. Looking back, I'd do almost everything differently. Here's what I've learned.

Lesson 1: Your Tools Pay for Themselves Faster Than You Think

When I started, I bought the cheapest power tools I could find. I thought I was being sensible - why spend money I didn't have?

Within six months, I'd replaced:

• Two budget combi drills that couldn't handle a day's work
• A cheap SDS that overheated during every chasing job
• Countless dodgy screwdriver bits that stripped out

Then I bought a DeWalt 18V twin pack - combi drill and impact driver. That was eight years ago. They're still working. The impact driver has driven maybe 50,000 screws. The combi has drilled through more brick than I can calculate.

The maths:

That twin pack cost about £300. Over 8 years, that's £37.50 per year, or about 15p per working day. The budget tools I replaced cost more than that in six months. Quality tools on a daily driver aren't an expense - they're an investment that pays back immediately.

Lesson 2: The Quote Is the Job - Get It Right

My first year, I underquoted constantly. I was scared of losing work, unsure of my value, and hopeless at estimating time. I'd quote a rewire at £2,000, spend a week on it, and realise I'd made about £15 an hour.

What I learned:

• Track your time obsessively - I recorded every job for a year. Actual time vs quoted time. Humbling, but essential for accurate future quotes.
• Materials always cost more - I now add 15% to my material estimate, every time. There's always something you forgot, something that gets damaged, something that needs a return visit.
• Contingency isn't optional - 10% contingency on a quote isn't profit margin, it's survival margin for the unexpected.
• Some jobs should be day rate - anything with too many unknowns (old properties, previous DIY work), I quote a day rate plus materials. Customers respect honesty about uncertainty.

Lesson 3: The Customers You Don't Want

Not every customer is worth having. Took me years to learn this.

Red flags I now walk away from:

• "Can you do it cheaper?" before I've even quoted - they'll haggle on everything and dispute the final bill
• "The last electrician was useless" - sometimes true, often means impossible to please
• Won't commit to scope - "just see what needs doing" becomes "while you're here, can you just..." which becomes unpaid extra work
• Demanding immediate start - desperation usually means someone else already walked away

The flip side - the best customers:

• Clear about what they want
• Respect your expertise
• Understand that quality takes time
• Pay on time
• Recommend you to others

One good customer who returns annually and recommends you to friends is worth more than ten one-off hagglers.

Lesson 4: Specialisation Beats Generalisation

Years 1-3: I took any electrical job that came. Domestics, commercials, new builds, repairs, alarms, networking - anything. I was busy but not profitable, and I was average at everything.

Year 4: I decided to focus on domestic rewires and alterations. Turned down commercial contracts. Referred alarm work to a specialist contact (who refers me electrical work in return).

What changed:

• I got really good at domestic work - knew every scenario, every shortcut, every problem before it happened
• I could quote accurately because I'd done the same type of work hundreds of times
• I built a reputation in that niche - people recommended me specifically for rewires
• My tool kit became optimised for the work I actually did

Specialists earn more than generalists. Narrow focus, deep expertise.

Lesson 5: The Van Is Your Mobile Workshop - Treat It Right

My first van was a rolling disaster. Tools loose in the back, no racking, couldn't find anything. I lost hours every week looking for stuff.

Then I fitted proper racking. Cost about £800. Paid for itself in the first month through time saved.

What works:

• Everything has a place - and goes back there at end of every day
• Most-used tools at the door - hand tools and daily drivers accessible without climbing in
• Consumables organised by type - cable clips, fixings, connectors all in labelled boxes
• Stock minimum system - when you use the last of something, it goes on the list immediately

Sounds obvious. Took me four years to implement properly.

Lesson 6: Paperwork Isn't Optional

I hate admin. Still do. But I've learned that poor paperwork costs money.

What I now document:

• Every quote in writing (email is fine)
• Clear scope of work, with explicit exclusions
• Variations agreed in writing before doing them
• Test certificates completed on the day (not "I'll do it later")
• Photos of completed work (especially before-access panels go back on)
• Invoices sent within 24 hours of completion

Documentation saved me when a customer disputed a job. I had the email trail, the variation agreement, the photos. They paid.

Lesson 7: Your Body Is a Tool - Look After It

At 25, I felt invincible. Carried heavy cable drums up stairs, reached into awkward positions, worked through pain.

At 35, I pay for it. Shoulder that aches in cold weather. Knee that doesn't like ladders anymore. Lower back that reminds me of every lifting mistake.

What I'd tell younger me:

• Two trips are better than one injury
• Knee pads aren't for the weak (I wear them constantly now)
• Get the right ladder, not the one that's sort-of-tall-enough
• Take breaks - dehydration and fatigue cause injuries
• If a lift is too heavy, get help or use equipment

Your tools can be replaced. Your spine can't.

Lesson 8: Marketing That Actually Works

What didn't work for me:

• Leaflet drops (expensive, low response)
• Newspaper ads (wrong demographic for my work)
• Paying for leads from websites (variable quality, high competition)

What did work:

• Word of mouth - still my main source of work after a decade
• Google My Business - free, and most people search locally
• Being findable - simple website with contact details and examples of work
• Reciprocal referrals - I recommend a good plumber, he recommends me
• Doing good work - seriously, nothing markets better than customers who are happy to recommend you

Lesson 9: The Off Switch

Years 1-5, I worked constantly. Evenings, weekends, no holidays. Thought that's what you had to do.

The result? Burnt out by year 4. Hated my job. Started making mistakes because I was tired.

Now:

• I don't answer the phone after 6pm (emergencies go to voicemail)
• Saturdays are catch-up only, not regular work
• Sundays are off. Actually off.
• I take holidays - they're not optional, they're necessary

The business didn't collapse. Customers adjusted. The work is still there when I'm ready for it.

Lesson 10: Keep Learning

The regulations change. The technology changes. What was best practice ten years ago might be obsolete now.

• I do CPD every year, even beyond what's required
• I read trade publications and forums
• I learn from colleagues - everyone knows something I don't
• I invest in new skills (EV charging certification this year)

The electricians who are still thriving at 60 are the ones who kept learning. The ones who stopped learning got left behind.

Ten Years On

I'm busier than ever, more profitable than ever, and I enjoy the work more than I did at the start. Not because things got easier - they didn't. But because I made better decisions, bought better tools, and learned from every mistake.

If you're starting out, you'll make your own mistakes. That's fine - that's how we learn. But if any of this helps you avoid one of mine, it's been worth writing.