Interim Group Financial Controller London/Hybrid £800pd Outside IR35 6 months

Interim Group Financial Controller | London/Hybrid | £800pd Outside IR35 | 6 months

Are you a seasoned financial leader with deep US GAAP knowledge and a strong background in FinTech? We're looking for an Interim Group Financial Controller to join a high-impact role at a fast-scaling, international financial technology business.

You’ll lead their global financial control function during a period of growth and transformation, working closely with senior leadership to ensure robust reporting, compliance, and controls across multiple jurisdictions.

Key responsibilities:

• Oversee group consolidation and reporting across international entities (including the US)
• Ensure compliance with US GAAP, UK GAAP, and regulatory reporting requirements
• Manage the month-end and year-end close process, ensuring accuracy and timeliness
• Lead on technical accounting matters, including revenue recognition and complex transactions
• Oversee global financial controls, accounting policies, and risk management frameworks
• Support external audit processes and liaise with auditors across multiple regions
• Act as a key business partner to the CFO, FP&A, tax, and legal teams
• Drive improvements in processes, systems, and controls as the business scales
• Mentor and manage the finance team to ensure high standards of performance and collaboration

Key requirements:

• Qualified accountant (ACA, ACCA or equivalent) with strong post-qualified experience
• Proven experience in Group Financial Controller or senior financial reporting roles
• Solid track record within FinTech, SaaS, or fast-paced tech-driven environments
• US GAAP and multi-entity consolidation experience is essential
• Hands-on experience with internal controls and SOX-like environments
• Strong leadership, stakeholder engagement, and project management skills
• Experience with Netsuite, Workday, or similar cloud-based finance systems is a plus

Why apply?

This is a fantastic opportunity to take ownership at group level, shape the future of financial reporting in a high-growth FinTech, and work closely with an ambitious leadership team. You’ll be part of a fast-moving, collaborative environment where your expertise will directly impact operational success and investor confidence.