Oritain
Finance Business Partner - Cost
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Department: FP&A
Location: London
Description
Oritain is a global leader in forensic origin verification of products and raw materials. With offices in London, Auckland, Dunedin, Paris, Singapore, and Washington D.C., our vision is to be the source of truth in global supply chains.
Through our proprietary methodology, our mission is to harness cutting-edge science, data, and specialized services to create a community of origin verified buyers and suppliers, protecting our people and planet. We empower the world’s leading brands to make positive changes across their supply chain; ensuring product integrity, meeting regulatory demands, and reducing the risk of fraud and unethical sourcing, creating real change in our world.
About the role:
The Finance Business Partner (Cost) is a commercially focused role within Oritain's FP&A function, reporting to the FP&A Lead. You will be responsible for leading financial partnering across our cost base, strengthening cost ownership and control, improving visibility of cost drivers and unit economics, and providing clear insight to support resource allocation, operational efficiency, and sustainable growth.
This is a hands-on role that spans cost governance, technical accounting, forecasting, and business partnering. You will work closely with functional and operational leaders across the business, building effective relationships, constructively challenging assumptions, and translating financial and operational data into insight that drives better decisions.
For a qualified accountant with a strong technical grounding and the commercial mindset to go beyond the numbers, this is an opportunity to make a tangible difference to how Oritain understands and manages its cost base as the business scales.
What you'll be doing
Cost Governance & Control
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- Support the financial governance framework for operating expenditure and Cost of Sales, including clear cost definitions, allocation principles, approval controls, and accountability.
- Work with budget owners, procurement, and finance operations to understand financial implications, commitments, risks, and compliance with policy.
- Monitor spend, purchase commitments, and accruals, ensuring costs are complete, accurately classified, and reported in the correct period.
- Support corrective actions and continuous improvement in cost controls, reporting quality, and process discipline.
Technical Accounting & Cost Policy
- Support the application of accounting guidance on cost recognition, capital versus operating expenditure, accruals, prepayments, provisions, and allocation methodology under relevant accounting standards.
- Help develop and maintain Cost of Sales and operating expenditure policies, playbooks, and supporting documentation, ensuring consistent application across the business.
- Partner with accounting teams to support month-end close, balance sheet integrity, audit evidence, and resolution of complex cost accounting matters.
Forecasting & Financial Planning
- Support budgeting, forecasting, and long-range planning for operating expenditure and Cost of Sales in partnership with functional and operational leaders.
- Build driver-based models linking headcount, supplier spend, activity volumes, and delivery assumptions to financial outcomes.
- Analyse actuals, forecasts, and variances, distinguishing timing effects from structural run-rate changes and emerging risks or opportunities.
Business Partnering & Performance Insight
- Build effective relationships with functional stakeholders, providing financial support and constructively challenging assumptions where appropriate.
- Analyse financial and operational data to provide actionable insight on spend efficiency, Cost to Serve, gross margin, and unit economics.
- Support business cases, supplier decisions, operating model changes, and strategic initiatives with robust financial analysis.
- Prepare concise management reporting, KPIs, and dashboards that clarify cost drivers, accountability, and required actions.
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What we're looking for
- Qualified accountant (ACA, ACCA, or CIMA) with strong technical accounting knowledge.
- Relevant finance business partnering, management accounting, or FP&A experience, with exposure to operating expenditure, Cost of Sales, budgeting, and forecasting.
- Strong understanding of cost accounting, financial controls, cost allocation, and management reporting.
- Strong analytical and financial modelling skills, with the ability to convert operational drivers into clear financial insight.
- Commercially minded, with the confidence to work with and constructively challenge stakeholders while building effective cross-functional relationships.
- Excellent communication skills, with the ability to present financial information clearly and support accountable action.
- Experience with ERP, planning, and reporting tools.
- Organised and proactive, with the ability to manage competing priorities in a changing environment.
What you'll get
- Hybrid working (minimum 3 days per week in our Farringdon office)
- 35 days paid leave, inclusive of public holidays
- Birthday off
- Enhanced Maternity and Paternity Leave
- Life insurance
- Healthcare Cash Plan
- Employee Assistance Programme (EAP)
- Pension
- Monthly Wellbeing Allowance
- Breakfast, snacks, Friday lunch, and barista coffee in the office
- Learning portal with over 100,000 assets for professional development
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