Underwriting Assurance Analyst

G MASS are partnering with a specialist insurer to appoint a technically strong accountant on a contract basis, supporting a quarterly review of Estimated Premium Income across their underwriting portfolios. This is a hands-on engagement that requires someone who can hit the ground running with minimal oversight. The work sits at the intersection of technical accounting and underwriting governance, scrutinising the integrity of EPI positions, stress-testing the rationale behind material movements, and ensuring the overall review process is conducted to an exacting standard. You will be London based, splitting your time between our office and the client's, and working closely with stakeholders across Underwriting, Operations, and Governance throughout the cycle. Responsibilities: Taking ownership of an independent assessment of EPI positions across the portfolio, evaluating whether underwriter judgements are well-evidenced and consistent with internal policy Identifying and investigating material premium movements through structured sampling and testing, forming clear conclusions and escalating where the underlying evidence does not stack up Producing thorough, well-structured working papers that capture the methodology, any issues surfaced, and the rationale behind conclusions - built to withstand scrutiny Acting as a point of challenge and coordination across internal teams, keeping the review on track and ensuring outstanding queries are resolved within the cycle Fully qualified accountant (ACA, ACCA, or equivalent) Demonstrable experience carrying out this type of structured, evidence-based review, whether in an audit, assurance, or governance capacity A background in insurance, ideally within Lloyd's or the MGA market, with an understanding of how delegated authority business operates Length: Initial 6-month Contract