Your customer list is worth more than your truck. Where is it?

If your truck caught fire tomorrow, you'd lose a tool. A painful, expensive tool — but a replaceable one. You could borrow one, finance one, call a dealer on Monday.

If you lost your customer list, you'd lose something that took years to build and can't be bought back. Every name on it represents a relationship, a completed job, a person who already trusts you enough to have let you into their home or onto their roof.

Most trades don't have a list. They have a phone full of contacts they've never sorted, a stack of old invoices in a binder, a Gmail inbox they search when they need to find someone. That's not a list. That's a pile.

Here's why it matters, and what to do about it this week.

What you can do with a list that you can't do without one.

Three things drive most of the revenue in a small trades business: new enquiries, repeat work from past customers, and referrals from people who know you. The last two require a list. Without one, you're dependent entirely on new enquiries coming to you — and when they slow down, you have nothing to fall back on.

A list lets you reach out in April when your schedule is thin. It lets you send a spring maintenance reminder before people start calling around. It lets you ask for referrals at the moment a customer is happiest — not three months later when they've forgotten your name.

Under Canadian law (CASL), you have a two-year window from the last transaction to send commercial messages to a customer without getting explicit opt-in consent. After two years, they fall off. The window closes quietly, and you lose the legal ability to reach them. This clock is always running, whether you know it or not. A list is the only way to know whose window is still open.

Why most people don't have one.

When the work is coming in, the list feels like homework. There's always a more urgent thing: a quote to get out, a job to finish, a supplier to call. The record-keeping gets pushed to someday, and someday never comes.

The result is that the business has done $800,000 in work over ten years, and the owner can name maybe thirty customers off the top of his head. The rest are in three different phones, two email addresses, a QuickBooks account he barely uses, and a box of paper invoices in the basement.

It isn't laziness. It's the nature of the work. You're paid to do things, not to file things. But the filing is what makes the past decade worth money.

How to build it in an afternoon.

You don't need software. You need a spreadsheet and ninety minutes.

One. Pull your QBO or invoice records.

If you use QuickBooks, Jobber, or any invoicing software, export your customer list. In QBO it's Reports → Customer Contact List. In Jobber it's Clients → Export. You want: first name, last name, phone, email, last job date. That's all. Ignore the rest for now.

Two. Search your email for the jobs you didn't invoice digitally.

Search Gmail or Outlook for words like "quote," "estimate," "job," "work," or your trade name. Go back three years. Add anyone you find who isn't already on the list.

Three. Scroll your phone contacts.

Everyone labelled by their job ("Roof - Mike Powassan," "HVAC woman Callander") is a customer. Add them. The last-job date is an estimate — if you remember it was two summers ago, that's good enough.

Four. Sort by last-job date.

Two columns matter: name and last job date. Anyone within two years is in your CASL window and can receive your messages legally without new consent. Anyone older than two years needs a different approach — if you email or text them, you need a way for them to opt in first.

If you have fifty names after two hours, that's fifty people who already trust you. If you reach out to even ten of them this spring, at least two will book something. That's real money that doesn't require a single new lead.

What to do with it once you have it.

One message. This week or next. Not a newsletter, not a promotion — just a check-in. "Hi, it's [your name] — I was in back in [season] for the [job]. Just seeing how everything's holding up. Give me a shout if anything comes up."

That's the whole thing. You'll get responses. Some will book. All of them will remember you the next time someone asks for a referral.

The list isn't a marketing tool. It's your relationship with the last ten years of your work. Treat it that way.