Interim FP&A Manager – SaaS Growth & Reporting

Walker Hamill; Greater London; Hybrid; GBP 70,000 - 90,000; Part time

Job summary

Walker Hamill is seeking an Interim FP&A Manager for an initial 3-6 month assignment in London. You will own monthly management accounts, KPI reporting and Board packs, plus lead budgeting, forecasting and long-range planning with strong data quality and systems improvements.

The role offers high exposure to senior leadership, with a hybrid London working pattern. You will bring ACA/ACCA/CIMA, strong FP&A and management accounting experience, advanced Excel and financial modelling, and a track

Qualifications

• Qualified accountant with FP&A and management accounting experience.
• Experience in a fast-paced commercial environment, ideally SaaS/recurring revenue.
• Strong budgeting, forecasting and month-end reporting abilities.

Responsibilities

• Lead monthly management accounts, KPI reporting and Board packs.
• Provide variance analysis and commentary on key drivers.
• Support annual budgeting, forecasting and long-range planning.
• Develop robust financial models including scenarios and sensitivities.
• Partner with commercial/operational teams to improve performance.

Skills

FP&A

Budgeting

Forecasting

Excel

Financial modelling

Stakeholder mgmt

Communications

SaaS exposure

Education

ACA/ACCA/CIMA

Tools

Salesforce

Power BI

SQL

Databricks

Job description

Walker Hamill is seeking an Interim FP&A Manager for an initial 3-6 month assignment in London. You will own monthly management accounts, KPI reporting and Board packs, plus lead budgeting, forecasting and long-range planning with strong data quality and systems improvements.

The role offers high exposure to senior leadership, with a hybrid London working pattern. You will bring ACA/ACCA/CIMA, strong FP&A and management accounting experience, advanced Excel and financial modelling, and a track