Group Operational Financial Controller

Sumer; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

A leading finance organization in Greater London seeks an experienced Group Operational Financial Controller to lead and develop their finance function. Reporting to the Group CFO, you will oversee a team of around 50 finance professionals and drive transformation in processes and technology. The ideal candidate will be a qualified accountant with strong leadership skills, excellent communication abilities, and experience in implementing financial systems. This full-time position offers a unique opportunity to shape financial operations at a group level.

Qualifications

• Demonstrable post‑qualification experience in accounting.
• Experience in professional services is preferable.
• Strong technical finance skills with knowledge of best‑in‑class processes.
• Professional services experience preferable.
• Commercially astute with excellent communication and influencing skills.
• Experience implementing finance systems and technology.

Responsibilities

• Lead a finance team of approximately 50 covering multiple functions across the group.
• Drive transformation within the finance function, including processes and technology.
• Ensure strong financial controls, attention to detail, and compliance across all areas.
• Lead on flash reporting, capital expenditure, and exceptionals.
• Partner with leadership to deliver financial insight that supports decision making.
• Oversight of business unit budgeting and re-forecasting processes.
• Partner with leadership to deliver financial insight that supports decision making.
• Oversight of business unit budgeting and re-forecasting processes.

Skills

Qualified accountant (ACA/ACCA/CIMA)

Proven track record of leading large finance teams

Strong technical finance skills

Commercially astute

Excellent communication and influencing skills

Experience implementing finance systems and technology

Education

ACA/ACCA/CIMA

Job description

Sumer Greater London, England, United Kingdom

Description

We are seeking an experienced Group Operational Financial Controller to be at the forefront of leading and developing our finance function. Reporting directly to the Group CFO, this is a high-profile role where you will lead and inspire a team of around 50 finance professionals spanning across multiple functions across different hubs within the Sumer Group.

This is an opportunity to shape the future of our finance operations – driving transformation, embedding best‑in‑class processes, and influencing how we deliver exceptional financial support to the business at group level.

Key Responsibilities

• Lead a finance team of approximately 50 covering multiple functions across the group.
• Drive transformation within the finance function, including processes and technology.
• Oversee capabilities including management account reporting, credit control, accounts payable and payroll.
• Ensure strong financial controls, attention to detail, and compliance across all areas.
• Lead on flash reporting, capital expenditure and exceptionals.
• Take accountability for the accuracy and timeliness of business unit financial reporting.
• Partner with leadership to deliver financial insight that supports decision making.
• Oversight of business unit budgeting and re-forecasting processes.

Skills, Knowledge & Expertise

• Qualified accountant (ACA/ACCA/CIMA) with demonstrable post‑qualification experience.
• Proven track record of leading large finance teams.
• Strong technical finance skills combined with knowledge of best‑in‑class financial processes.
• Professional services experience preferable.
• Commercially astute, with excellent communication and influencing skills.
• Experience implementing finance systems and technology.

Belong @ Sumer

At Sumer, we are committed to fostering an inclusive and diverse work environment, not just as buzzwords, but as the heartbeat of our team. Our recruitment practices reflect this commitment, welcoming individuals from all backgrounds. We prioritise creating an environment where every candidate feels respected and supported throughout the hiring process.

Everyone is unique and we understand that each individual may have distinct needs to showcase their best selves during interviews. Our commitment is to offer personalised support for all candidates. Let our team know how we can bring out your fullest potential.

Seniority level

Director

Employment type

Full‑time

Job function

Accounting/Auditing and Finance

Industries

Accounting