Helping construction &
engineering firms build
financial strength
How we champion
your business
In construction and engineering, managing cash flow, project margins and contracts is a constant balancing act.
Our sector specialists deliver practical, grounded advice that helps you build profitability and resilience into every stage of your operation.
4 Reasons to Choose Sumer
Increase project profitability:
Detailed cost analysis and management accounting that enhances margins on every project.
Manage cash flow with confidence:
Practical strategies for stage payments and supply chain pressures.
Optimise your tax position:
Specialist advice on capital allowances, R&D tax credits and sector-specific reliefs.
Build for growth:
Strategic business planning that helps you scale operations without compromising quality or profitability.
Meet the team
Chris Casey
Midlands
Chris Casey
Email: chriscasey@jerroms.co.uk
Kumar Perumal
London
Kumar Perumal
I joined the firm as a Partner following its acquisition of Riordan O’Sullivan & Co. in 2025. I have gained extensive experience advising owner managed businesses and individuals on accounting, audit, and taxation matters since 2002.
I look after a broad mix of clients, particularly in the construction, joinery, property investment, haulage, and waste recycling industries. Over the years, I have had the privilege of working with several large family-owned companies and have developed.
Robert Dowling
South East
Stuart Stead
North West
Stuart Stead
Email: stuart.stead@cowgills.co.uk
Zoe Roberts
Yorkshire and the Humber
Zoe Roberts
Email: zoe.roberts@bhp.co.uk
There are plenty of ways Sumer can make a
difference to your business.
But if we had to pick one, it’s our people. With partner-led services from local experts in every region, we offer national scale and personal
support from people who understand your sector and your community. From succession planning and exits to international growth, our
specialists are here to help you make the big decisions with confidence.
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