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For Companies At a Glance
- Tasks: Lead innovative marketing projects and deliver actionable insights for diverse clients.
- Company: Join Medialab, the UK's top independent media agency with a vibrant culture.
- Benefits: Enjoy competitive salary, flexible working, 25 days holiday, and wellness perks.
- Why this job: Make a real impact in media effectiveness while growing your career with industry experts.
- Qualifications: 6-7 years in media measurement, strong consulting skills, and passion for marketing.
- Other info: Dynamic environment with opportunities for mentorship and professional development.
The predicted salary is between 36000 - 60000 Ā£ per year.
Medialab is the UK's leading independent media agency, and one of the fastest growing in the industry. We are a media agency that is purposeāled, dataādriven, founderārun and proudly independent.
Our entrepreneurial spirit means success is recognised and rewarded. There are no limits to what you can achieve here, which our employees agree with, evidenced by being a Campaign Best Place to Work for six consecutive years and one of The Sunday Times Best Places to Work 2025. We are IPA Effectiveness accredited, an IPA PeopleāFirst agency, and All in Champions, with industryāleading work recognised by doubleāgold at the 2024 IPA Effectiveness Awards for our work with Laithwaites and a 2025 Effie for our work with Alzheimer's Society.
We work with a wide variety of clients including Hovis, IG, Sharps Bedrooms, SunLife, Standard Life, Ancestry, Laithwaites Wine, Save the Children, Guide Dogs, Alzheimer's Society, RNLI and Clearscore.
OUR VALUES
- Commit to Doing the Right Thing (Act with integrity and accountability)
- Help People Flourish (Invest in people)
- Dig Deeper to Understand Better (Data driven curiosity)
OUR COMMITMENT TO YOU
Working at Medialab comes with lots of perks including a competitive salary package, pension, season ticket loans, cycle to work scheme, weekly social events and big summer / end of year parties.
On top of that, we offer extra benefits, which make life at Medialab even more rewarding:
- Time to Unwind ā 25 days holiday (+ Christmas holiday closure), a day off for your birthday, holiday buying scheme, flexiāhours and work abroad scheme.
- Hybrid Working ā Balance between home and office. We welcome requests for flexible working arrangements from the commencement of employment.
- Career Growth ā A meritocratic approach to progression with quarterly reviews, CPD Platinum accredited training, mentoring and leadership support.
- Health & Wellbeing ā Private medical insurance, health cash plan, gym discounts, wellbeing apps, Mental Health First Aiders and free professional counselling.
- Supporting Families ā Enhanced parental leave pay, flexible working and life assurance.
- Giving Back ā Paid charity days and sustainability initiatives.
- Perks & Rewards ā Retail discounts, longāservice trips and an unforgettable team culture.
YOUR NEXT CHALLENGE
This role sits within the Marketing Effectiveness team at Medialab, helping clients understand the true value of their media investments through advanced measurement solutions, statistical modelling, and integrated insights, which evolve into live & automated reporting solutions.
Reporting to the Head of Marketing Effectiveness, you will lead modelling workstreams, ensure quality control, and integrate research from multiple sources to deliver actionable insights that make a difference to client outcomes.
You will play a dual role: supporting and mentoring team members while continuing to develop your own skills alongside industry experts.
HOW YOU WILL MAKE AN IMPACT
- Lead end-to-end Marketing Mix Modelling (MMM) projects, from model development to insights generation and data storytelling.
- Act as a consultant, working with client teams and client partners directly to ensure measurement frameworks align with their business challenges.
- Serve as the key point of contact for a diverse client set, developing sector expertise.
- Develop client presentation materials and communicate complex insights in a clear, actionable way.
- Identify new business opportunities, contribute to pitches, write proposals, and create thought leadership pieces.
- Drive innovation in automated modelling processes, collaborating with engineering teams to enhance efficiency.
- Represent Medialab externally, building strong relationships with clients and industry stakeholders.
WHAT YOU BRING TO THE TEAM
Must Have Skills
- 6-7+ years' experience in media measurement & effectiveness, with handsāon Marketing Mix Modelling (MMM)/econometrics expertise.
- Strong consulting and problemāsolving skills, with the ability to translate measurement frameworks into business growth strategies.
- Experience in managing and mentoring other consultants/data scientists.
- Solid understanding of advertising and media planning, working closely with planners and buyers.
- Proven track record in statistical analysis, with the ability to interpret large datasets using various tools.
- Strong project management skills, overseeing the endātoāend delivery of modelling projects.
- Passion for media, marketing, and emerging measurement challenges.
Nice to Have Skills
- Ability to interpret client needs and apply commercially relevant analytical solutions.
- Excellent communication skills, with the ability to simplify complex data for all levels of an organization.
- Curiosity and innovation, exploring new approaches and data sources to improve insights.
- Comfortable working with SQL, GCP, R/Python, or visualisation tools.
- Experience with model automation and system integration is a plus.
- Familiarity with the charity and financial services sectors is beneficial.
Principal Effectiveness Consultant in Westminster employer: MediaLab Group
Contact Detail:
MediaLab Group Recruiting Team
StudySmarter Expert Advice š¤«
We think this is how you could land Principal Effectiveness Consultant in Westminster
āØTip Number 1
Network like a pro! Reach out to people in the industry, attend events, and connect on LinkedIn. You never know who might have the inside scoop on job openings or can put in a good word for you.
āØTip Number 2
Prepare for interviews by researching the company and its culture. Understand their values and how they align with yours. This will help you stand out and show that you're genuinely interested in being part of their team.
āØTip Number 3
Practice your pitch! Be ready to explain your experience and how it relates to the role. Use specific examples to demonstrate your skills and achievements, especially in media measurement and effectiveness.
āØTip Number 4
Donāt forget to apply through our website! Itās the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about joining our journey at Medialab.
We think you need these skills to ace Principal Effectiveness Consultant in Westminster
Some tips for your application š«”
Show Your Passion: When you're writing your application, let your enthusiasm for media measurement and effectiveness shine through. We want to see that youāre genuinely excited about the role and how you can contribute to our team at Medialab.
Tailor Your CV: Make sure your CV is tailored to highlight your experience in Marketing Mix Modelling and consulting. We love seeing how your skills align with what we do, so donāt be shy about showcasing relevant projects and achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to tell us why youāre the perfect fit for this role. Use it to explain how your background and skills will help us drive innovation and deliver actionable insights for our clients.
Apply Through Our Website: We encourage you to apply directly through our website. Itās the best way to ensure your application gets into the right hands and shows us youāre serious about joining our journey at Medialab!
How to prepare for a job interview at MediaLab Group
āØKnow Your Stuff
Make sure you brush up on your Marketing Mix Modelling (MMM) and econometrics expertise. Be ready to discuss specific projects you've worked on, the challenges you faced, and how you overcame them. This will show that you not only have the experience but also the problem-solving skills that Medialab values.
āØShowcase Your Consulting Skills
Prepare to demonstrate your consulting abilities by discussing how you've translated measurement frameworks into actionable business strategies in the past. Think of examples where your insights directly contributed to client success, as this aligns perfectly with the role's requirements.
āØCommunicate Clearly
Since you'll be dealing with complex data, practice simplifying your insights for different audiences. Use clear, concise language and avoid jargon when possible. This will help you connect better with the interviewers and show that you can communicate effectively with clients.
āØBe Curious and Innovative
Medialab values curiosity and innovation, so come prepared with ideas on how to improve existing processes or explore new data sources. Share any experiences where you've driven innovation in your previous roles, especially in automated modelling or system integration.
