Case studies: more revenue from the same clients.

Two cases with starting point, lever and result, plus a real, anonymized finding excerpt from an audit.

From my own agency

From €500 to €6,000 a month. Per client.

monthly revenue per client12×

Start€500

Individual clients€6,000

Starting point

My own performance marketing agency, working with boutique fashion brands that wanted to grow their online stores.

The lever

Being selective with new clients: choosing for revenue potential and fit instead of taking every paying project.

Result

Started at around €500 a month. With individual clients, up to €6,000 a month. Twelve times as much.

Over a year

€72,000 instead of €6,000 per client, without a single new lead.

From my earlier work, anonymized. Individual cases, not an average. Annual figures projected from monthly revenue. No guarantee.

Live pilot

From €300 to €900 a month. Per client.

monthly revenue per client3×

Before€300

After upsell and renewal€900

Starting point

A Meta ads agency in the EU with 25 clients at around €300 a month each, all on month-to-month contracts.

The lever

We rebuilt the offer and the client journey and replaced month-to-month contracts with fixed terms: 75% of new contracts run 6 months, 25% run 12 months.

Status

Churn is down from 35% to 20%. Clients who renew or upgrade now pay around €900 a month. Not all 25 have switched yet.

Over a year

€10,800 instead of €3,600 per client who switched, with €6,750 instead of €300 contractually secured on average. If all 25 switch: €270,000 instead of €90,000 a year.

Anonymized. Interim results of an ongoing, unpaid pilot with a personal connection to the owner. Annual figures are projections from monthly revenue. Single case, no guarantee.

Here's what a finding looks like.

Not a list of 40 optimizations. A few places, backed by evidence, ranked by impact.

Finding excerpt · agency, 18 employeesSeverityHigh

Sales sells speed and relief. Delivery has no early, visible proof that the work is paying off. After signing, new clients get less support than they were promised on the sales call.

Where the gap is

Not in lead flow. Between closing, onboarding and the first proof of results.

Real excerpt, anonymized.

Before you buy more leads: go after the revenue that's already in your client base.

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