Interim Financial Controller
Posted Today by Investigo
£100,000 Per year
Outside
Remote
England, United Kingdom
Summary: The Interim Financial Controller role is a senior position within a private equity-backed B2B SaaS business, focusing on enhancing financial control, governance, and reporting during a 12-month maternity cover. The successful candidate will manage a scalable finance function, ensuring compliance with UK GAAP and IFRS while leading statutory reporting and audit processes. This hands-on role requires a technically strong finance leader who can drive process improvements and automation in a high-growth environment.
Key Responsibilities:
- Owning the monthly, quarterly, and annual close process, ensuring accuracy, consistency, and timeliness
- Preparing and reviewing management accounts, balance sheet reconciliations, and variance analysis
- Leading statutory reporting and audit across the group, acting as the primary point of contact for external auditors
- Ensuring compliance with UK GAAP and IFRS, including oversight of any international entities
- Supporting private equity reporting requirements, including board and investor packs and ad hoc data requests
- Maintaining strong financial governance, controls, and documentation aligned to PE and board expectations
- Owning and improving core finance systems, data integrity, and reporting processes
- Driving automation and process improvements to support scale and efficiency
- Managing and developing the accounting team and coordinating with external advisors (audit, tax, payroll, company secretarial)
- Leading finance workstreams on acquisitions, including financial assessment, risk identification, and post-acquisition integration of systems, controls, and reporting
- Supporting financial due diligence activity as required
Key Skills:
- Qualified accountant (ACA, ACCA, CIMA, or equivalent)
- Significant experience in a Financial Controller or senior finance role
- Strong technical accounting background (UK GAAP and IFRS)
- Experience operating in PE-backed environments
- Proven track record in SaaS or recurring revenue, multi-entity businesses
- Hands-on experience running financial control, statutory reporting, and audit processes
- Comfortable working in a high-growth, change-oriented environment
- HealthTech or similarly regulated B2B SaaS sectors (desirable)
- Experience implementing or scaling finance systems (desirable)
- Exposure to M&A integration in a PE-backed setting (desirable)
Salary (Rate): £100,000.00 yearly
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
Interim Financial Controller - ASAP Start (Two weeks notice maximum) PE-backed B2B SaaS business Remote (UK-based) Mat Cover - 12 months FTC - c.100k A private equity-backed B2B SaaS business operating in a regulated, mission-critical sector is looking to appoint a Financial Controller to strengthen financial control, governance, and reporting as the business continues to scale. This is a senior, hands-on role suited to a technically strong finance leader who is comfortable owning the detail while also improving processes and building for scale.
The role The Financial Controller will be responsible for running a robust, scalable finance function, ensuring high-quality reporting, strong controls, and investor-grade outputs. The role spans group reporting, audit, systems, and M&A integration, working closely with senior leadership and external stakeholders.
- Owning the monthly, quarterly, and annual close process, ensuring accuracy, consistency, and timeliness
- Preparing and reviewing management accounts, balance sheet reconciliations, and variance analysis
- Leading statutory reporting and audit across the group, acting as the primary point of contact for external auditors
- Ensuring compliance with UK GAAP and IFRS, including oversight of any international entities
- Supporting private equity reporting requirements, including board and investor packs and ad hoc data requests
- Maintaining strong financial governance, controls, and documentation aligned to PE and board expectations
- Owning and improving core finance systems, data integrity, and reporting processes
- Driving automation and process improvements to support scale and efficiency
- Managing and developing the accounting team and coordinating with external advisors (audit, tax, payroll, company secretarial)
- Leading finance workstreams on acquisitions, including financial assessment, risk identification, and post-acquisition integration of systems, controls, and reporting
- Supporting financial due diligence activity as required
Required experience Qualified accountant (ACA, ACCA, CIMA, or equivalent) Significant experience in a Financial Controller or senior finance role Strong technical accounting background (UK GAAP and IFRS) Experience operating in PE-backed environments Proven track record in SaaS or recurring revenue, multi-entity businesses Hands-on experience running financial control, statutory reporting, and audit processes Comfortable working in a high-growth, change-oriented environment Desirable experience HealthTech or similarly regulated B2B SaaS sectors Experience implementing or scaling finance systems Exposure to M&A integration in a PE-backed setting This role will suit someone who combines technical rigour with a practical, delivery-focused mindset, and who enjoys improving how finance functions operate as businesses scale.