Senior Finance Business Partner (Costs / Opex)

Opus People Solutions Ltd; City Of London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading financial services firm is looking for a Senior Finance Business Partner to join their dynamic finance team. This hybrid role requires a fully qualified accountant (ACA, ACCA, or CIMA) with experience in senior finance business-partnering, particularly in a regulated environment. You’ll provide insights and analysis to drive profitability and cost-efficiency, working closely with senior leadership. With a salary starting at £70k+, this is a high-visibility opportunity in a period of growth and transformation.

Benefits

Hybrid working model

Supportive finance team

Opportunity to shape the role

Qualifications

• Proven experience in senior finance business-partnering roles within financial services.
• Comfortable operating in complex, changing environments.
• Experience challenging senior stakeholders effectively.

Responsibilities

• Act as a senior finance partner across a major business area.
• Own and analyse the expense and cost base.
• Build and review business cases to influence decisions.

Skills

Strong commercial mindset

Experience with financial services

Confidence in stakeholder engagement

Ability to articulate value from cost

Collaborative working style

Education

Fully qualified accountant (ACA, ACCA, or CIMA)

Tools

Planning tools (e.g. Anaplan)

Job description

Senior Finance Business Partner (Costs / Opex)

70,000+ Hybrid Financial Services / Insurance

Location: Bromley, London (Hybrid role - office base in Royal Tunbridge Wells, 2 days per week)

We're recruiting a Senior Finance Business Partner (Costs / Expenses) to join a growing finance partnering team within a large, complex organisation during a period of significant change.

This is a senior, commercially focused business‑partnering role with a flexible remit that will evolve over the next 6-12 months. You'll work closely with senior leaders and Finance Directors, providing insight, challenge and guidance on cost, value creation and investment decisions in a fast-moving, ambiguous environment.

What you'll be doing

• Act as a senior finance partner across a major business area
• Own and analyse the expense and cost base, linking cost to value and outcomes
• Support profitability management and expense allocation
• Contribute to the development and evolution of cost allocation models
• Build, review and challenge business cases, influencing senior decision-making
• Provide insight and challenge around cost models, investment and value creation
• Work collaboratively with the wider Finance Business Partnering team
• Support governance evolution and operating‑model change

What you'll bring

• Fully qualified accountant (ACA, ACCA or CIMA)
• Proven experience in senior finance business‑partnering roles Background within financial services, insurance or a similarly regulated environment
• Confidence working with and challenging senior stakeholders
• Strong commercial mindset with the ability to articulate value derived from cost
• Comfortable operating in complex, changing and ambiguous environments
• Collaborative, credible and influential working style
• Experience with planning tools (e.g. Anaplan or similar) is highly desirable

Why apply

• 70k+ salary, flexible for the right background
• High‑visibility role during a period of growth and change
• Opportunity to shape the role as the function evolves
• Hybrid working model (2 days onsite, moving to 3 days from late 2026)
• Supportive, collaborative finance team

Additional opportunity

A 12‑month fixed‑term contract opportunity is also available within the same team. Candidates with strong relevant experience may be considered for either the permanent or FTC role.

Location

Royal Tunbridge Wells (hybrid working). The office is commutable from Bromley, South East London, Kent and surrounding areas.

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