Senior FP&A Analyst | Rapid-Growth Activewear Scaleup | Central London / Hybrid
Harmonic are partnering with a fast-growing activewear brand with a strong digital presence and an engaged international customer base. The business operates across multiple markets and channels, with a clear focus on product, community, and customer experience. Having recently expanded its retail footprint in the US and doubled headcount over the past year, the company is now investing heavily in its systems, data infrastructure, and commercial capabilities to support its next phase of growth.
The Role
This is a high-impact opportunity within a developing FP&A function, reporting directly to the Head of FP&A. You will support core planning cycles, performance tracking, and commercial analysis across the business, while helping to build and scale the FP&A infrastructure needed for a fast-growing international company.
Joining during a period of transformation, you will play a key role in building financial models and reporting frameworks from scratch, improving visibility across performance drivers and helping shape how the business plans and measures success. This role is well suited to someone who enjoys creating structure, building scalable processes, and taking ownership within a fast-paced environment.
A major focus of the role will be partnering closely with the Marketing team around influencer marketing, paid digital advertising, and customer acquisition spend, all of which are key drivers within the business’s P&L. Prior experience managing and analysing significant marketing and digital advertising budgets is essential, alongside the ability to work cross-functionally with Commercial and Sales teams to support strategic decision-making.


Key Responsibilities
*Support the budgeting and reforecasting cycles across P&L, balance sheet, and cashflow
*Build and maintain financial models, including scenario planning and sensitivity analysis
*Deliver monthly reporting packs with clear and actionable commentary for senior stakeholders
*Conduct variance analysis across departments, identifying key drivers and risks
*Partner closely with Marketing and Commercial teams to track spend, challenge assumptions, and improve performance
*Own tracking and reporting of marketing spend, ensuring accurate accruals and cost visibility
*Produce channel and departmental P&Ls, ensuring data is accurate and decision-ready
*Support ERP implementation and drive improvements across FP&A processes, reporting, and controls


What we need to see:
*3-5+ years’ experience in FP&A, Commercial Finance, or Business Partnering
*Strong experience with building from scratch and setting up systems.
*Advanced Excel or Google Sheets skills, with the ability to build robust models
*Confident communicator, able to translate financial data into clear insight
*Comfortable operating in a fast-paced, evolving environment


What we’d like to see:
*Fully qualified accountant (ACA, ACCA, CIMA, or equivalent)
*Experience in ecommerce, retail, fashion, fmcg, or equivalent
*Experience in an SME/Scaleup environment
*Experience with Netsuite
*Exposure to BI tools (Power BI, Looker, Tableau)


The offer:
Salary: £65,000-£75,000
Location: Central London / Hybrid (3 days in-office, 2 days WFH)


If this sounds like you or someone you know, feel free to get in touch with Liz Agatucci




At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.
At Harmonic, we are dedicated to fostering an inclusive and equitable workplace. We actively welcome applications from individuals of all backgrounds and assure you that every candidate will be thoughtfully considered for the roles we represent, without regard to race, religion, gender expression, disability, or sexual orientation.