Supporting Proof
MCR ONE UK supporting proof pack
This is a supplemental proof document for sales and diligence conversations. It is intentionally separate from the public hero case study.
Account
MCR ONE Essentials
Amazon UK profile 2676953527509813
Observation Window
7 weeks
2025-12-15 to 2026-02-04
Whole-period ROAS
2.02
Whole-period ACoS 49.41%
Whole-period snapshot
| Spend | Sales | ROAS | ACoS | Source |
|---|---|---|---|---|
| 301.08 | 609.41 | 2.02 | 49.41% | Production search_term_reports |
Strongest usable improvement window
The useful comparison is the earliest non-trivial rolling 14-day window versus the best rolling 14-day window.
| Window | Window End | Spend | Sales | ROAS | ACoS |
|---|---|---|---|---|---|
| Earliest usable 14-day window | 2026-01-14 | 29.97 | 37.96 | 1.27 | 78.95% |
| Best 14-day window | 2026-02-02 | 202.37 | 458.78 | 2.27 | 44.11% |
Supporting deltas
ROAS change
+79%
1.27 → 2.27
ACoS change
-44%
78.95% → 44.11%
Weekly checkpoint
2.41 ROAS
Week of 2026-01-19 / ACoS 41.47%
Why this stays supplemental
- The total observation window is only about seven weeks.
- The strongest comparison is rolling 14-day windows, not long monthly periods.
- That makes the snapshot useful in diligence, but weaker as hero LP proof than Iris Japan.