Building a Marketing Budget That Actually Works

"How much should I spend on marketing?" It's one of the most common questions we hear, and the honest answer — "it depends" — is deeply unsatisfying. So let's do better than that. While the exact number varies by industry, goals, and how fast you want to grow, there are genuinely useful principles that apply to almost any business. Here's a practical framework you can actually use, minus the hand-waving.

Start With a Sensible Baseline

A common rule of thumb is to allocate somewhere between 5% and 10% of your revenue to marketing if you're maintaining your position, and 10% or more if you're actively trying to grow. It's not gospel — a scrappy startup and an established local shop have very different needs — but it's a sane starting point that stops you from either starving your marketing or setting fire to your cash flow.

The 70-20-10 Rule

Once you know roughly how much to spend, the harder question is where to put it. This is where the 70-20-10 rule earns its keep. It's simple, and it quietly protects you from both stagnation and reckless gambling:

The beauty of this split is balance. The 70% keeps the lights on and the leads coming. The 20% is how today's experiments become tomorrow's proven channels. And the 10% is cheap insurance against the whole landscape shifting under your feet — which, in digital marketing, it absolutely will.

Separate Working Budget From Investment Budget

One distinction that saves a lot of anxiety: not all marketing spend behaves the same way. Some of it is a working expense that produces results more or less immediately — turn on a paid campaign, get leads this week. Some of it is an investment that pays off later — content and SEO can take months to build momentum, then deliver for years. Lumping both into one number and expecting instant returns is how good long-term strategies get killed prematurely.

Decide up front which dollars are working the short game and which are patiently compounding the long one. Judge each by the right timeline, and you'll stop panicking about the investments while they're still quietly doing their job in the background.

Match the Channel to the Goal

Not all marketing does the same job, and spending blindly is how budgets get wasted. Before allocating a penny, get clear on what you actually need right now:

Most businesses need a blend, but the ratio should shift with your priorities. Desperate for cash flow this quarter? Weight toward paid ads that deliver now. Building for the long haul? Pour more into SEO that compounds quietly for years.

Measure Holistically (Last-Click Lies)

Here's a trap: judging every channel by last-click attribution. In reality, a customer might discover you on social media, research you on Google, and finally convert through an email. If you only credit that last email, you'll wrongly conclude social and search "don't work" and cut the very things that started the journey. Look at overall revenue growth and blended customer acquisition cost, not just who got the final touch.

Always Keep a Testing Budget

That 10% for experiments isn't optional — it's how you stay ahead. The platforms and tactics crushing it today may fade tomorrow. Continuous testing of new channels, creatives, and audiences keeps you discovering the next winner before your competitors do. Treat it as the cost of not getting left behind.

Don't Forget the Cost of Doing Nothing

Businesses obsess over the risk of spending on marketing, and quietly ignore the risk of not spending. Every month you're invisible is a month your competitors are being found instead. Under-investing feels safe because the cost is hidden — it shows up as the customers you never hear from, the sales that go elsewhere. When you weigh your budget, weigh that too.

Review and Adjust Every Quarter

A budget set in January and never touched again is a budget slowly going stale. Markets move, seasons change, and some channels quietly overperform while others fade. Every quarter, sit down with your numbers and ask the simple questions: what's working harder than expected, what's underdelivering, and where should the next dollar go? A budget is a living plan, not a stone tablet — the businesses that treat it that way consistently get more from every dollar.

The Bottom Line

A marketing budget that works isn't about throwing money at the wall. It's about allocating deliberately — 70-20-10, matched to your goals, measured holistically, with room to keep testing. Do that, and every dollar works harder.

If you'd like a second pair of eyes on where your budget should actually go, that's one of our favourite conversations to have. Get in touch and we'll help you build a plan sized to your goals — not to an agency's revenue targets.