Data Analytics Manager

Overview

addmustard is a brand, marketing and technology agency for entrepreneurs. We add the strategic and creative fire-power of an advertising agency, to the precision and incision of a digital marketing agency, to the flexibility of an in-house team. We are world-class at creating value in our clients’ businesses and brands. We are a team of 35 brand, marketing and technology experts: a core in-house team based in the United Kingdom (Soho and Brighton), supported by a network of specialists from around the world.

Role: Data Analytics Manager

Department: Marketing

Salary: £40,000 – £45,000

Base: Brighton

Hours: 37.5 per week+

Start date: ASAP

Role and Responsibilities

• Operational Ownership: You are the guardian of our data integrity. Ensure every number that leaves the agency is 100% accurate and verified.
• Proactive Support: Anticipate the needs of founders and strategy teams, providing the "ammunition" they need before they know they need it.
• Strategic Leadership: Bridge technical data and commercial reality. Collaborate with the senior team to shape the agency’s direction through evidence-based thinking.
• Mentorship & Rigour: Set the standard for how data is handled, ensuring the wider team maintains precision and commitment.
• Forensically Lead: Own the analysis of digital marketing performance. Investigate the "why" and present actionable solutions.
• Build the Infrastructure: Architect and maintain dashboards (Looker Studio/GA4) that serve as the source of truth for clients.
• Challenge & Defend: Be confident to challenge ideas with data while finding the data that supports a winning strategy.
• Drive Commercial Value: Deliver data that helps clients grow, pivot and win, not just spreadsheets.

Experience & Technical Toolkit

• 4+ years in agency/high-growth environments with all-hands-on-deck mindset.
• Unrivalled precision with a track record of high-stakes, error-free reporting.
• GA4 & Looker Studio mastery.
• Advanced Google Sheets: structured, scalable, and user-friendly.
• Communication: translate complex data into founder-friendly language.

What’s in it for you?

• A Seat at the Table: Your voice influences the growth of the agency and clients’ businesses.
• Full Autonomy: Shape the data department as you see fit.
• A High-Performance Culture: Work with 35 experts who are ambitious and hardworking.
• The "addmustard" Life: Hybrid working (Soho/Brighton), flexi-time, and a supportive team that celebrates wins.

How to apply

If we’ve piqued your interest, please send your CV and cover letter to , explaining why you’d cut the mustard. Please, no agencies. Thanks.