Interim Financial Controller (NetSuite Implementation)

Finatal; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Finatal is seeking an Interim Financial Controller to lead a NetSuite implementation from London, with four days in the office per week. You will take ownership of the controllership function, strengthen financial controls, and drive systems transformation to support scale.

The role requires proven experience delivering NetSuite implementations within a growth SaaS or PE-backed business and a track record of building robust reporting and governance.

Qualifications

• NetSuite implementation is needed.
• Experience within a PE business is needed.
• Experience in a SaaS business is highly desirable.

Responsibilities

• Leading a NetSuite implementation
• Leading and developing the controllership function
• Strengthening financial controls, governance and reporting processes
• Driving finance systems optimisation and automation initiatives
• Owning month-end, year-end and audit processes
• Supporting strategic growth through scalable finance infrastructure
• Partnering with leadership to improve financial visibility and decision-making
• Ensuring best-in-class financial operations within a fast-growing organisation

Tools

NetSuite

Job description

Role: Interim Financial Controller (NetSuite Implementation)

Location: London (4 days per week in office)

Start Date: September 2026

The Opportunity

We are partnering with a high-growth, highly profitable-backed SaaS business seeking an exceptional finance leader to strengthen its controllership function and support the next phase of scale.

Specifically, they are searching for an interim Financial Controller who can lead on a NetSuite implementation.

This is a critical leadership role within a business that is performing extremely well and investing in the infrastructure required for continued growth.

The Role

Reporting into senior leadership, you will take ownership of the finance control environment while driving finance systems transformation and operational excellence across the business.

A key priority will be leveraging and optimising the company's finance technology landscape, implementing NetSuite from a Xero system, while ensuring robust reporting, controls and scalability.

Responsibilities will include:

• Leading a NetSuite implementation
• Leading and developing the controllership function
• Strengthening financial controls, governance and reporting processes
• Driving finance systems optimisation and automation initiatives
• Owning month-end, year-end and audit processes
• Supporting strategic growth through scalable finance infrastructure
• Partnering with leadership to improve financial visibility and decision-making
• Ensuring best-in-class financial operations within a fast-growing organisation

Qualifications

• NetSuite implementation is needed
• Experience within a PE business is needed.
• Experience in a SaaS business is highly desirable.