Senior Consultant

Harnham; Slough; Hybrid; GBP 36,000 - 60,000; Full time

Benefits offered by this job

Flexible working

Wellbeing focused culture

Job summary

Harnham, a leading global analytics consultancy, is seeking a Senior Econometrics Consultant to join its hybrid London team. You will own advanced MMM projects, deliver insightful commercial recommendations, and work directly with well-known consumer brands to optimise marketing investment.

You will build, validate, and present Marketing Mix Models, forecast demand, and collaborate with senior consultants to drive client impact.

Qualifications

• Strong commercial experience building and delivering Marketing Mix Models.
• Excellent analytical, statistical, and numerical skills.
• Ability to interpret data and communicate insights to both technical and non-technical audiences.
• Strong stakeholder management and client-facing experience.
• Confident presentation and communication skills.
• Experience working on marketing effectiveness, forecasting, econometrics, or related analytical projects.
• Familiarity with analytical tools and methodologies used within marketing measurement environments.

Responsibilities

• Building, developing, and delivering Marketing Mix Models to assess marketing effectiveness and commercial impact.
• Working across MMM, geo-testing, forecasting, and marketing optimisation projects.
• Interpreting complex datasets and translating findings into actionable business recommendations.
• Presenting results and strategic recommendations to internal and external stakeholders.
• Managing client relationships and supporting discussions throughout project delivery.
• Collaborating with senior consultants within a specialist analytics team.
• Supporting high-quality project execution from data collection through to final insight delivery.

Skills

Marketing Mix Models

Analytical skills

Statistical skills

Data interpretation

Stakeholder management

Client-facing experience

Presentation skills

Forecasting

Econometrics

Marketing measurement

Job description

Senior Econometrics Consultant

Hybrid - 3x a week in London

Up to £60,000

If you're passionate about marketing effectiveness and enjoy turning complex data into clear commercial recommendations, this is an exciting opportunity to join a highly specialised analytics team. You'll take ownership of high-impact modelling projects, work directly with clients, and help some of the UK's leading consumer brands optimise their marketing investment.

The Company

They are a global analytics and marketing effectiveness consultancy that helps organisations make smarter decisions about their advertising and media investment. Through advanced analytics, independent insight, and data-driven recommendations, they support businesses in improving performance and maximising return on marketing spend.

With an established presence across international markets, they partner with a diverse portfolio of well-known brands and provide expertise across areas including marketing effectiveness, media performance, and commercial analytics. Their collaborative culture encourages continuous learning, professional development, and meaningful client impact.

The Role

As a Senior Analytics Consultant, you will play a key role in delivering advanced marketing analytics projects, with a particular focus on Marketing Mix Modelling (MMM).

Responsibilities include:

• Building, developing, and delivering Marketing Mix Models to assess marketing effectiveness and commercial impact
• Working across a variety of analytical projects including MMM, geo-testing, forecasting, and marketing optimisation
• Interpreting complex datasets and translating findings into actionable business recommendations
• Presenting results and strategic recommendations to internal and external stakeholders
• Managing client relationships and supporting discussions throughout project delivery
• Collaborating closely with senior consultants within a specialist analytics team
• Supporting high-quality project execution from data collection through to final insight delivery

Your Skills & Experience

• Strong commercial experience building and delivering Marketing Mix Models
• Excellent analytical, statistical, and numerical skills
• Ability to interpret data and communicate insights to both technical and non-technical audiences
• Strong stakeholder management and client-facing experience
• Confident presentation and communication skills
• Experience working on marketing effectiveness, forecasting, econometrics, or related analytical projects
• Familiarity with analytical tools and methodologies used within marketing measurement environments

What They Offer

• Opportunity to work directly with senior leaders and experienced analytics professionals
• Exposure to a broad range of marketing effectiveness and optimisation projects
• Clear opportunities for professional growth and career progression
• Collaborative and supportive team environment
• Flexible working approach and commitment to employee wellbeing