CRUX
Build Momentum

Execute ruthlessly on your highest-impact levers.

The Experimentation sprint installs the engine that beats the forecast: a structured weekly experimentation programme, deep-dive channel audits to find growth within your existing channels, and geo-lift tests that measure true incrementality.

From £1,749 1 week · ongoing geo-lift tests run as part of retainer
ExperimentICE Score ↑
Checkout upsell — hero offer86
Email welcome flow — discount vs social proof72
Meta creative — UGC vs static61
PDP layout — reviews above fold54
Paid social bidding — MAXi vs manual41

Experimentation Framework

Rate of learning is the key metric. Scored backlog, defined process, learning bank. Winners compound over time.

What's included

Three capabilities that reinforce each other.

01

Experimentation Framework

Rate of learning is the key metric. The more we learn, the better our tests become and the more winners we find, compounding over time. We build an experimentation backlog with ICE/RICE prioritisation scoring, a defined testing process, documentation standards, and a learning bank so every test builds on the last.

  • ICE/RICE-scored experiment backlog
  • Defined testing process and standards
  • Documentation and learning bank
  • Weekly experiment review cadence

02

Channel Deep-Dive Audits

A comprehensive audit focused on paid social, paid search, SEO, or CRM. We dig deeper than the foundational audit with a focus on the opportunities to unlock further growth within the channel. Delivered with prioritised, data-backed recommendations.

  • Full-funnel channel analysis
  • Creative performance and fatigue review
  • Account structure diagnosis
  • Prioritised recommendations with expected impact

03

Geo-Lift Testing

Understand the true incremental value of your marketing channels. Use geo-lift tests to understand if bidding on brand search is worth it, whether your new Meta account structure is delivering value, or what your awareness campaign is actually contributing to revenue.

  • Test design and region selection
  • Statistical power calculations
  • Test setup and monitoring
  • Results analysis with confidence intervals
Channel Deep-Dive Audits

Find the growth hiding in your existing channels.

The foundational audit gives you the cross-channel picture. The channel deep-dive goes further, focusing on one channel at a time: account structure, creative performance, audience efficiency, fatigue, and spend allocation. Delivered with prioritised, data-backed recommendations.

Covers paid social, paid search, SEO, and CRM. Typically scoped to one or two channels per sprint based on audit findings.

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meta-channel-audit-q2-2025.pdf
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Meta Ads · Channel Deep-Dive Audit

Creative Velocity — Launches per Week

Portfolio Fatigued

62%

30 of 48 ads in decline

Account Health

Caution

Action required

Account Structure Diagnosis

3 Campaigns

11 Ad Sets

48 Ads

Also covers Paid Search, SEO & CRM channels.

Channel Deep-Dive Audits

Comprehensive audit focused on paid social, paid search, SEO, or CRM. Digs deeper than the foundational audit to unlock further channel growth.

Test Region

Scotland, NW England

Meta spend active

Control Region

Midlands, East Anglia

Spend paused

Incremental lift detected

+22.4%

95% statistical confidence · 4-week test

Geo-Lift Testing

True incremental value of marketing channels via geographic holdout tests, with statistical power calculations and confidence intervals.

Geo-Lift Testing

Measure what is actually incremental.

Platform attribution tells you what they want you to think is working. Geo-lift tests tell you the truth. We design and run geographic holdout tests to understand the true incrementality of your channels: brand search, Meta performance, awareness campaigns, and more.

Geo-lift tests run over 4+ weeks. The sprint installs the framework and sets up the first test; ongoing tests are supported via the retainer.

Deliverables

Everything built into your system, not a one-off report.

The experiment backlog and learning bank are built in your data layer and updated as the programme runs. Channel audit findings feed directly into the experiment backlog, so nothing gets lost.

  • Scored experiment backlog (ICE/RICE)
  • Testing process documentation and templates
  • Learning bank setup for capturing results
  • Channel audit report with prioritised recommendations
  • Geo-lift test design, setup, and results analysis
  • Handover session

Pricing & Timeline

From £1,749

Sprint delivered in 1 week. Geo-lift tests run over 4+ weeks.

Requires data foundation and Forecasting sprint recommended first.

Scope adjusted based on which channels to audit and whether geo-lift is included.

Book a Call

Build the engine that beats the forecast.

Book a call and we will scope the Experimentation sprint around your current channel mix and growth priorities.

Book a Call