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Case Study · Fashion & Apparel

BLUE Sportswear: my first client. Six years later, still my client.

Anyone can show you one good month. This is six years of Meta, Pinterest and Google — through great quarters and tough ones — growing a family-run Copenhagen brand from its home market into four European countries.

🇩🇰 🇫🇮 🇳🇱 🇩🇪 — the markets we actively advertise in today
BLUE Sportswear campaign
6+ years
And counting
4
Active ad markets
+32%
YoY revenue · 2025 vs 2024
3
Channels · Meta, Pinterest, Google
(01) — Where it started

A family brand with bigger plans.

BLUE Sportswear is Copenhagen fashion the way it should be: family-run by Jeanett Roepstorff and Jens Erik, rooted in Scandinavian simplicity, with their daughter — model Philine Roepstorff — as a recurring face of the campaigns through the years.

When we started working together in 2019, BLUE sold almost exclusively in Denmark. The brand deserved a bigger stage. Since then, revenue has grown to a double-digit multiple of where we began — but BLUE's numbers are BLUE's, so that's all I'll say about that.

(02) — The system

Three channels. One connected setup.

  • Meta advertising — the growth engine: campaign architecture, creative direction and daily optimization across all four markets
  • Pinterest advertising — one of our strongest-performing channels; fashion and Pinterest are a match made in heaven
  • Google — capturing the demand the social channels create
  • Server-side tracking via Reaktion — so every scaling decision is made on real numbers, not iOS guesswork
  • Website & conversion optimization — redesigned together with a web developer, with AI in the workflow, so the traffic we pay for actually converts
(03) — The expansion

From Denmark to four markets.

Growth in fashion isn't a straight line. We've had record months and we've had humbling ones — that's six years of honest work, not a screenshot of one lucky week. Through it all, the system compounded: Denmark first, then Finland, the Netherlands and Germany as active, profitable ad markets.

And the compounding continues — even in year six, we're still finding growth: +32% in yearly revenue, 2025 over 2024.

BLUE Sportswear — total sales 2025 vs 2024, +32%
Shopify Analytics · Jan 1 — Dec 31, 2025 (solid) vs 2024 (dotted) · absolute numbers are BLUE's to keep 🔒
Reaktion profit dashboard — Blue Sportswear, full year 2025
Reaktion · Server-side profit dashboard · Full year 2025 vs 2024 — MER 6.30, net profit ↗28% 🔒
Meta Ads Manager — Blue Sportswear, full year 2025, 4x blended ROAS across 32 campaigns
Meta Ads Manager · Jan 1 — Dec 31, 2025 · the growth engine: 4x blended ROAS across all 32 campaigns, server-side verified via Reaktion 🔒
Pinterest Ads Manager — Blue Sportswear, full year 2025, 7.45x total ROAS
Pinterest Ads Manager · Jan 1 — Dec 31, 2025 · 7.45x total ROAS across the account — fashion + Pinterest, a match made in heaven 🔒
Google Ads — Blue Sportswear, Jun-Dec 2025, 41.97 conversion value per cost at account level
Google Ads · Jun 1 — Dec 31, 2025 · account-level conv. value / cost: 41.97 — capturing the demand social creates 🔒
(04) — The real result

Six years of renewed trust.

Agencies churn clients every 6-12 months. BLUE was my first client, and they're still here — through ads, website rebuilds, new markets and everything in between. The engagement grew from media buying into full marketing leadership.

That's the metric I'm proudest of. Retention like that can't be faked, bought or cherry-picked. It has to be earned every single month, for 72 months straight.

"Lucas has done a fantastic job. He has helped Blue Sportswear achieve greater awareness and increased sales through social media."
Jeanett Roepstorff
Jeanett RoepstorffOwner, BLUE Sportswear
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