Interim Group Financial Controller

Company: JSS
Apply for the Interim Group Financial Controller
Location: London
Job Description:

Interim Group Financial Controller (12-Month FTC)

Start Date: ASAP

You will have a notice period no longer than 4 weeks.

Location: London / Hybrid (City)

Company: High growth, SME Challenger Bank.

Overview

JSS are seeking a heavyweight Group Financial Controller for a high-impact 12 month assignment. This is a full ownership role reporting directly to the CFO of a fast scaling, regulated bank. You will lead a complex year end process, managing the intersection of sophisticated lending products and rigorous IFRS reporting.

  • Audit Ownership: Take end-to-end accountability for the annual audit, acting as the primary liaison for external auditors to ensure seamless, on-time delivery.
  • Technical Reporting: Manage complex accounting for multi-product lending portfolios, specifically focusing on IFRS 9, ECL (Expected Credit Loss), and EIR (Effective Interest Rate) modelling.
  • Financial Controllership: Drive the month-end close process, ensuring robust financial controls and data integrity across diverse product lines.
  • Board & Committee Engagement: Prepare and present high-quality financial papers for the Audit Committee, translating complex technical movements into clear executive insights.
  • Regulatory Alignment: Ensure all reporting remains compliant with PRA/FCA requirements during a period of significant balance sheet expansion.

The Profile

  • Preference for ACA (likely Big 4 trained) or equivalent training with significant post-qualified experience in a regulated banking environment or non bank lender.
  • Hands-on closer: You must be down in the detail and comfortable navigating complex spreadsheets and systems, not just managing from 30,000 feet.
  • Audit Veteran: Proven track record of running year end for a sizable/group or complex financial services organisation.

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Posted: May 26th, 2026