Job Description
Interim Senior Management Accountant
Day Rate | £450-550 per day – Outside IR35
Location | Brighton – Hybrid, 3 days per week on-site
Contract | Initial 3–6 month contract
Start date | Must start before 1st December
RB50
We’re partnered with a £30m ARR, private equity–backed SaaS business undergoing a period of rapid growth and operational change. As they prepare for a system migration and strengthen the month-end and reporting cadence, the business is seeking an experienced Interim Senior Management Accountant to provide stability, insight, and hands-on support.
The Role
This is a key assignment within a lean finance function, blending technical rigour with the ability to drive process improvements. Working closely with the Group Financial Controller and wider leadership team, you’ll ensure timely and accurate financial reporting while supporting the business through an ERP transition.
Key responsibilities include:
* Full ownership of monthly management accounts and supporting commentary
* Financial and statutory accounting, ensuring compliance and accuracy
* Leading month-end close and delivering clear, timely reporting
* Supporting an upcoming ERP implementation scheduled for early Q1
* Improving financial processes, controls, and reporting consistency
* Acting as a trusted partner to leadership during a period of operational change
About You
You’ll be a capable and detail-driven finance professional with strong experience in fast-paced, scaling environments—ideally within SaaS, technology, or private equity–backed businesses. You’re hands-on, accurate, and comfortable stepping into a busy period and delivering from day one.
Ideal background:
* Qualified accountant (ACA/ACCA/CIMA)
* Strong technical management accounting and month-end experience
* Experience in SaaS, technology, or PE-backed environments
* Prior involvement in ERP migrations or system implementations
* Ability to work on-site in Brighton 3 days per week