Performance Marketing — Case Study · Ozoneair · Sweden

From 1.55x to 8.63x ROAS in 48 months

How Hannes Media scaled Ozoneair from a break-even ad account into Sweden's dominant air purifier brand — generating $24.8M in revenue across 4 years of continuous paid media.

8.63xAverage ROAS all time

48,588Total units sold

$24.8MTotal revenue generated

48Months of active scaling

Average monthly profit delivered
$457K / month
On $2.9M total ad spend — 8.63x return

$22M
Total profit

ROAS over time

Monthly ROAS — dashed line shows the pre-Hannes Media baseline (avg 1.49x)

Before vs. After Hannes Media

Before Hannes Media 1.49x avg ROAS Feb–Jun 2022 · 5 months
Avg $11.8K/month spend
Barely profitable

After Hannes Media 8.63x avg ROAS Jul 2022–Jan 2026 · 43 months
$22M total profit
Peak month: $1.6M revenue

Growth arc

Jul 2022 — Takeover Month one: ROAS jumps to 4.95x. Cost per sale drops from $344 to $103 immediately.

Nov 2022 — First major scale 936 sales at 7.25x ROAS. Account reaches sustainable scale for the first time.

Oct–Nov 2023 — Peak volume 2,309 and 3,182 sales in back-to-back months. 14.72x ROAS in November — $1.6M revenue in a single month.

Jan 2026 — Still compounding 477 sales at 12.86x ROAS. Cost per sale: $39. Four years in and the account keeps improving.