Key takeaways

  • There is no universal number—the right budget depends on your growth goal, market, margins, and how developed your marketing foundation is.
  • A commonly used planning heuristic: maintenance-mode businesses invest a small share of revenue; growth-mode businesses invest meaningfully more.
  • Budget should be set from the goal backward—how many jobs, at what average value, from which markets—not from what feels comfortable.
  • Where the budget goes matters more than its size: money spent on advertising before conversion and follow-up are fixed is money spent leaking.

Why there is no universal percentage

Search this question and you will find confident answers—usually a percentage of revenue. Treat every one of them as a starting heuristic, not a rule. Two roofing companies with identical revenue can need completely different budgets depending on their market’s competitiveness, their average job value, whether they are defending or expanding, and how much foundation (website, reviews, follow-up, tracking) they already have in place.

The honest framing: your budget is a function of your goal. Bigger goals in tougher markets cost more. Modest goals in markets where you are already known cost less.

Useful planning ranges (and what they assume)

As rough planning anchors—not promises—contractor businesses tend to fall into three modes:

ModeTypical postureWhat the budget does
MaintainPipeline is full; goal is stabilityProtects visibility, reviews, and referral flow; small share of revenue
GrowAdding crews, markets, or a service lineFunds acquisition channels plus the infrastructure behind them; a meaningfully larger share
EnterNew market or new commercial divisionFront-loads positioning and visibility before revenue follows; highest relative investment

The mistake is not picking the "wrong" percentage. It is running a Grow or Enter goal on a Maintain budget—then concluding marketing "doesn’t work."

Set the number from the goal backward

A budget you can defend starts with arithmetic, not a percentage:

  1. Revenue goal. How much new work, in dollars, over the next 12 months?
  2. Job math. At your average job value and close rate, how many qualified opportunities does that require?
  3. Channel reality. Which channels can realistically produce those opportunities in your market—and what do they cost to run well?
  4. Capacity check. Can your team actually estimate, sell, and deliver that volume? A budget that outruns capacity buys leads you will waste.

When the number comes from this math, spending decisions stop being emotional. You are no longer asking "does this feel like too much?"—you are asking "is this enough to hit the goal, and are we converting what it produces?"

Where the money should go first

Order matters more than amount. A sequence that protects your investment:

  • Foundation before fuel. A website that converts, a Google Business Profile that is complete and reviewed, tracking that tells the truth, and follow-up that answers fast. Advertising poured on top of a leaking foundation mostly evaporates.
  • Owned and earned before rented. Reviews, referrals, local visibility, and your own list compound. Paid channels stop the moment you stop paying—valuable, but rented.
  • One channel done well before three done thinly. Concentrated budgets learn faster and win positions; scattered budgets produce scattered results.

Frequently asked questions

Should a new contractor spend on marketing at all?

A brand-new business usually gets more return from foundation—a credible website, Google Business Profile, review generation, fast response—than from paid advertising. Prove the service and the follow-up first; buy attention once you can convert it.

Is paid advertising worth it for contractors?

Often yes—as one channel in an ecosystem, funded after conversion and follow-up work, and measured against booked work rather than clicks. It becomes a problem only when it is treated as the whole strategy.

How long before marketing investment shows results?

Paid channels can produce inquiries quickly; visibility channels like SEO and reviews compound over months. A serious budget plans for both clocks instead of judging everything on week two.

What is the most common budgeting mistake?

Setting spend by comfort level rather than by goal—and cutting the moment results wobble, which resets the compounding channels back to zero.

Summary

Stop hunting for the magic percentage. Define the goal, do the job math, check your capacity, and fund the foundation before the fuel. A budget built this way is smaller than fear suggests and larger than comfort suggests—and, most importantly, it is defensible in a way "what we spent last year" never is.

K

Karen Becerra

Founder of Thryve HQ. Growth strategist and Fractional CMO to a small group of residential and commercial contractors. Karen writes the way she works: teach first, sell second. More about Karen