Interim FP&A Lead

OneDome

. Own the group operating forecast as the single source of truth for short-range, detailed planning .

Posted 9/23/2026contractLondon • United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive FP&A experience with a strong focus on revenue forecasting, budget management, and financial modeling. Capable of establishing and improving FP&A processes, ensuring business ownership of financial assumptions, and effectively communicating insights to stakeholders.

Highest-signal resume keywords

Extensive FP&A ExperienceAdvanced Excel SkillsThree-Statement ModellingVariance AnalysisQualified Accountant (ACA, ACCA, CIMA)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Financial ModellingRevenue ForecastingMulti-Scenario ModellingBudget ManagementForecast Cadence EstablishmentDriver-Based Operating ModelsProcess ImprovementVariance AnalysisConsolidation ModellingForecast Analysis

Soft Skills

Clear CommunicationProactive ApproachStructured ThinkingAbility to Work with AmbiguityStakeholder Engagement

Tools & Technologies

FP&A ToolingCRM Data UtilizationAI Assistants in Modelling

Certifications & Qualifications

Qualified Accountant (ACA)Qualified Accountant (ACCA)Qualified Accountant (CIMA)

Industry Keywords

Start-Up ExperienceScale-Up ExperienceAcquisitive Group ExperienceMortgage IntermediationProtection Intermediation

About the role

Key responsibilities & impact

Own the group operating forecast as the single source of truth for short-range, detailed planning
Reconcile the operating forecast to actuals and produce outputs that can feed the long-range plan
Prioritise and complete outstanding forecast-model build items, including using CRM data to inform revenue drivers
Establish and run the monthly FP&A cycle
Run actuals-versus-forecast analysis and appropriate multi-scenario reforecast cycles
Contribute to establishing, delivering and improving monthly management and board reporting
Establish business owners for planning assumptions and secure agreement on assumptions and targets
Run budget-holder review sessions, constructively challenge assumptions and record decisions
Design and run the FY27 budget process end to end
Plan the budget timetable and manage the budget project
Obtain, review and challenge business input
Facilitate review and approval by group management and the board
Document the model, monthly cycle, reforecasting process and budget process
Hand over a working FP&A process to a permanent FP&A hire with minimal overlap
Support the permanent hiring process as appropriate
Help define the target future state for FP&A processes and tooling

Requirements

What you’ll need

Extensive FP&A experience
Experience with three-statement, multi-entity and consolidation modelling
Experience with multi-scenario modelling
Extensive revenue forecasting experience
Experience obtaining input from business stakeholders
Experience managing forecast and budget processes
Experience with variance analysis and management reporting
Material experience establishing FP&A functions
Experience establishing forecast cadence, business-managed budgets, business ownership of numbers, or FP&A role/process improvements
Experience in a start-up, scale-up or acquisitive group is ideal
Track record of improving processes rather than only running them
Experience ensuring non-finance leaders own assumptions and numbers
Experience running budget-holder sessions and constructively challenging assumptions
Advanced Excel and financial modelling skills
Strong modelling control conventions and approach
Ability to work with system extracts to understand, transform and use data with appropriate tools
Comfortable using AI assistants in modelling and analysis workflows and aware of their failure modes
Clear, concise and professional written and verbal communication
Structured, self-directed and proactive approach; comfortable with ambiguity and able to learn quickly
Available to start by October at the latest
Able to commit to six months
Experience taking ownership of and improving a complex financial model built by someone else is desirable
Mortgage or protection intermediation or similar sector experience is desirable
Experience with driver-based operating models for transaction- or funnel-driven revenue is desirable
Experience choosing, implementing or using FP&A tooling, or defining its target state, is desirable
Qualified accountant (ACA, ACCA, CIMA or equivalent) is desirable

Benefits

Comp & perks

Initial term of 6 months, with possible extension of up to 3 months
Remote work option from London
UK-aligned standard hours
Opportunity to support the permanent hiring process
Opportunity to help define the future FP&A process and tooling