Marketing Effectiveness / Incrementality Lead (Contract)
Posted Today by Propel
Negotiable
Undetermined
Hybrid
London Area, United Kingdom
Summary: The Marketing Effectiveness Incrementality Lead is a senior contractor role within a UK financial services business experiencing significant growth. The position focuses on leveraging existing marketing measurement frameworks to drive actionable insights and influence strategic decisions regarding marketing investments. This hands-on role requires a strong commercial focus and the ability to guide experimentation while engaging with senior stakeholders. The contract is initially for three months with a likelihood of extension.
Key Responsibilities:
- Extract actionable insight from existing MMM outputs
- Design, prioritise and own the incrementality and experimentation roadmap
- Lead conversion lift, geo tests and channel experiments end-to-end
- Make confident mid-flight decisions on live tests and investment
- Coach channel owners on test design and decision logic
- Present clear, non-technical recommendations to senior leadership
- Drive material improvements in marketing efficiency
Key Skills:
- Proven ownership of marketing measurement and incrementality
- Hands-on experience running experimentation programmes
- Strong commercial judgement and stakeholder influence
- Confident presenting to senior leaders
- Excel essential, SQL beneficial
- Exposure to MMM (not necessarily built from scratch)
- Experience in fast-growth, ecommerce or performance-led environments
- Brand and/or offline channel exposure
- Regulated or public company experience
Salary (Rate): undetermined
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: undetermined
Seniority Level: undetermined
Industry: Other
Role: Marketing Effectiveness Incrementality Lead (Contract)
Location: London (hybrid)
Client: Financial Services
Contract: Initial 3 months (likely extension)
Day Rate: Competitive, DOE
Overview: An established UK financial services business is entering a high-growth phase and significantly increasing marketing investment. They have strong measurement foundations in place, including MMM and robust analytics, and now need a senior contractor to turn insight into decisive commercial action. This is not a modelling or build role. It’s a hands-on, commercially focused contract for someone who can own incrementality, guide experimentation, and influence senior stakeholders on where to scale, pause, or stop spend.
Key Responsibilities
- Extract actionable insight from existing MMM outputs
- Design, prioritise and own the incrementality and experimentation roadmap
- Lead conversion lift, geo tests and channel experiments end-to-end
- Make confident mid-flight decisions on live tests and investment
- Coach channel owners on test design and decision logic
- Present clear, non-technical recommendations to senior leadership
- Drive material improvements in marketing efficiency
Required Experience:
- Proven ownership of marketing measurement and incrementality
- Hands-on experience running experimentation programmes
- Strong commercial judgement and stakeholder influence
- Confident presenting to senior leaders
- Excel essential, SQL beneficial
Nice to Have:
- Exposure to MMM (not necessarily built from scratch)
- Experience in fast-growth, ecommerce or performance-led environments
- Brand and/or offline channel exposure
- Regulated or public company experience