Harper May is partnering with a cutting-edge AI start-up that is rapidly scaling its operations and product reach. As the company builds momentum in the market, they are seeking a commercially astute Financial Controller to establish and lead the finance function, ensuring robust financial processes and supporting strategic growth.

Role Overview:As Financial Controller, you will work closely with the leadership team to drive the financial strategy and deliver timely, accurate insights to support decision-making. This is a hands-on role ideal for someone who thrives in fast-paced, agile environments and is excited about working at the intersection of finance, innovation, and technology.

Key Responsibilities:

• Lead the preparation of monthly management accounts, including P&L, balance sheet, and cash flow

• Build scalable financial processes, controls, and reporting frameworks to support rapid growth

• Support budgeting, forecasting, and scenario modelling across departments

• Manage compliance with financial regulations and prepare for external audits

• Provide regular reporting and analysis to founders, board members, and investors

• Own financial systems and data integrity, implementing improvements as the company scales

• Collaborate with product, operations, and commercial teams to support business case development

• Assist with funding rounds, financial due diligence, and investor reporting

• Oversee transactional finance and support the development of a small finance team as the company grows

Key Requirements:

• ACA / ACCA / CIMA qualified with strong post-qualified experience

• Experience within a high-growth start-up, preferably in the AI, SaaS, or wider tech sector

• Strong understanding of technical accounting and financial control in a scaling business

• Proven ability to implement and improve finance systems and reporting tools

• Commercially minded, confident working with founders and external stakeholders

• Highly organised with excellent attention to detail and strong Excel skills

• Comfortable operating both strategically and hands-on in a lean team environment