Why lean marketing beats agency bloat

INSIGHTS
04 August 2025

Remember when Toyota revolutionised manufacturing by eliminating waste? While Madison Avenue was busy inventing new ways to bill clients for three-martini lunches, the Japanese were quietly proving that less really is more. Now it's marketing's turn to shed the excess.

Lean marketing isn't about being cheap—it's about being devastatingly effective. Instead of throwing money at vanity metrics and hoping something sticks, you apply the scientific method: hypothesis, experiment, measure, iterate. Novel concept, we know.

Here's what traditional agencies won't tell you: most marketing is waste. Those glossy brand campaigns that make CMOs feel important? The elaborate strategies that take six months to develop and another six to abandon? Pure theatre. Meanwhile, a founder with a laptop and a clear hypothesis can outmanoeuvre entire agency teams.

The beauty of lean marketing lies in its brutal honesty. Every pound spent must justify its existence through measurable impact. No hiding behind "brand awareness" or "mindshare"—those are just expensive ways of saying "we have no idea if this works."

We've watched too many brilliant companies haemorrhage cash on agency retainers while their competitors quietly ate their lunch using simple, testable campaigns. One client ditched their £20k monthly agency spend and replaced it with systematic testing. Result? 3x the leads at half the cost. The agency? Still sending invoices for "strategic oversight."

Lean marketing forces uncomfortable questions: Does this activity directly contribute to revenue? Can we measure its impact? Would we bet our own money on this (hint: if you’re a shareholder, you kind of are)? If the answer's no, it's waste. 

The real power isn't just in cutting costs—it's in moving fast. While agencies schedule meetings to discuss meetings, lean marketers are already on their third iteration. They've tested, learned, and pivoted while others are still arguing about brand guidelines.

This isn't about doing marketing on the cheap. It's about respecting the discipline enough to do it properly: with rigour, measurement, and an allergic reaction to bullshit. Because in the end, the market doesn't care about your process. It only cares about results.