Finance Business Partner

This is a senior, delivery-led role within our clients Corporate Services function, focused on servicing global clients with international footprints. The Finance Business Partner – Global Solution Specialist owns a defined portfolio of clients and is accountable for hands‑on delivery, technical quality, client experience, and commercial outcomes against agreed KPIs.

The role operates within the Corporate Services POD model as a senior technical contributor, working closely with Global Account Managers, Sales, Accounts Administrators, and outsourced providers to deliver consistent, high-quality outcomes for clients.

• Own and manage a defined portfolio of clients.
• Act as the senior technical and delivery lead for assigned clients
• Governance, meetings, and actions are executed consistently
• Upsell and expansion opportunities are identified and progressed
• Build and maintain trusted, senior client relationships through clear communication and confident technical judgement.

• Personally deliver and review complex technical accounting outputs across the portfolio.
• Lead on judgement‑based accounting matters for clients.
• Prepare and/or review statutory accounts (FRS 102 / FRS 105)
• Management accounts and reconciliations
• Journals and supporting schedules
• Deliver UK compliance obligations including:
• VAT returns
• Corporation Tax returns (CT600)
• Provide UK accounting expertise within multi‑country and multi‑entity client structures.
• Continuously improve and innovate processes, procedures, data, and systems
• Support Sales and Business Development in:
• Building accounting and corporate services solutions for new clients
• Contributing to proposals, scoping, and onboarding design
• Provide technical input into solution design for complex, multi‑country engagements.
• Act as a senior technical presence in early‑stage client discussions where required.

• Operate as a key delivery member within the Corporate Services POD.
• Work with PAs and outsourced providers to ensure work is delivered accurately, on time, and to the companies quality and CX standards.
• Review outsourced outputs for assigned clients and elevate delivery or quality issues where required.
• Coordinate delivery activity with the Corporate Services POD Leader once appointed.
• Work with the Director of Corporate Services to develop client strategies and identify commercial opportunities, agreeing a strategic development plan for each client in terms of product and service enhancements.

• Act as a senior technical reference point for other junior accountants and outsourced personnel within Corporate Services.
• Provide day‑to‑day direction, oversight, and mentorship of UK‑based Accounts Administrators working on the assigned client portfolio, ensuring deliverables meet Briars' technical and CX standards.
• Provide guidance and support on complex accounting matters as required.
• This support is technical and advisory only and does not include:
• Line management
• Performance management
• Objective setting
• Progression or development ownership

• Confident client‑facing communicator with strong commercial awareness.
• Fully qualified accountant (ACA, ACCA, CIMA or equivalent).
• Minimum 3 years post‑qualified experience in a 360‑degree client‑facing role, retaining a hands‑on delivery approach.
• Strong technical capability across UK GAAP, VAT, Corporation Tax, and statutory compliance.
• Experience working with multi‑entity and multi‑country client structures.
• Confident client‑facing communicator with strong commercial awareness.
• Experience with Xero, CCH, Caseware, ASANA, and Claude (or comparable AI tools) is desirable.

This role would suit someone who is either a first or second time mover from practice, ideally a mid‑tier firm or a technically strong accountant that has spent some time in a business partner role.