Senior Treasury Manager in City of London

This is a fully remote working opportunity

Senior Treasury Manager

Sumer is one of the UK's fastest-growing professional services groups, bringing together leading regional firms with a shared ambition to deliver exceptional advice and service to clients across the country. As we continue our growth journey, we're looking for a Senior Treasury Manager to play a pivotal role within our Group Finance function.

This is a strategic and hands-on leadership opportunity for an experienced treasury professional who thrives in a fast-paced, multi-entity environment. You'll lead treasury operations across the Group, ensuring robust liquidity management, strong governance, effective banking relationships and the controls required to support a growing business.

As Senior Treasury Manager, you'll take ownership of Sumer's treasury activities, working closely with senior finance leaders and stakeholders across the business. You'll be responsible for maintaining an efficient and controlled treasury environment while driving continuous improvement, automation and best practice across the function.

Key Responsibilities

• Lead the Group's treasury function, overseeing cash management, liquidity planning and rolling cash flow forecasting across a multi-entity business.
• Ensure appropriate funding structures are maintained, including intercompany funding, surplus cash management and support for financing facilities.
• Manage banking operations, including bank accounts, mandates, online banking platforms and key banking relationships.
• Maintain a strong treasury control environment, overseeing payment processes, banking access, risk management and regulatory compliance.
• Deliver treasury reporting and insights to senior leadership, monitoring cash balances, borrowing positions and liquidity performance.
• Drive continuous improvement through treasury process optimisation, automation initiatives and finance transformation projects while partnering with stakeholders across Finance, Tax, Legal, IT and Operations.

Skills, Knowledge & Expertise

• Significant treasury experience within a complex, multi-entity business.
• Strong expertise in cash management, liquidity forecasting and banking operations.
• Experience managing banking relationships, financing arrangements and treasury controls.
• Knowledge of treasury management systems and process improvement initiatives.
• Excellent communication and stakeholder management skills.
• A professional treasury or accounting qualification (ACT, ACA, ACCA, CIMA or equivalent).
• A proactive, solutions-focused approach and a desire to help build and enhance treasury capabilities within a growing business.

Belong @ Sumer

At Sumer, we know everyone’s journey is different. That’s why we’re committed to fairness, removing barriers, and giving people the support they need to do their best work. If you need any support during the hiring process, just let us know.

Our values represent what matters most to us and guide how we work every day:

• We Shine Together
• We Do the Right Thing
• We Make It Count

We know diverse teams make us stronger. That’s why we’re creating an inclusive workplace where everyone belongs and differences are valued and celebrated.

About Sumer

Sumer is a fast-growing professional services firm dedicated to championing small and medium businesses and helping communities prosper across the UK and Ireland.

Operating within a buy and build “Hub and Spoke” business model, we combine the indispensable value of leading regional practices with the tech, scale, and breadth of expertise of a national organisation.

We call this ‘The Power of Collaboration’ – an approach that delivers growth for our entire organization and all the businesses we serve.

By joining Sumer, you become part of a dynamic team committed to innovation, excellence, and the success of the businesses we support

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