Helping manufacturers stay
competitive, confident and
in control.

Sumer Manufacturers Illustration

How we champion
your business

Manufacturers face constant pressure to increase efficiency, control costs and stay competitive in evolving markets.

At Sumer, our sector specialists provide clear financial advice and practical business support to help you build a stronger, more resilient operation.

Sumer Manufacture Reasons Illustration

4 Reasons to Choose Sumer

Sumer Bar Graph

Optimise production costs:

Detailed analysis of direct and indirect costs to enhance margins and competitiveness.

Sumer Calculator

Make the most of tax incentives:

Advice that helps you claim capital allowances, R&D credits and export reliefs.

Sumer Cloud with gear

Build a stronger 
supply chain:

Support with inventory, suppliers and working capital that reduces stress and risk.

Sumer Piggy bank

Invest in the future:

Financial planning that helps you innovate, automate and grow on your terms.

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Build a stronger future for your manufacturing business.

Meet the team

James Hallett

London

James Hallett

I joined Simmons Gainsford in 2022 as an Audit Manager and was promoted to Partner in 2026.

My clients cover a variety of sectors and businesses at varying stages of development, from start-ups and private equity backed enterprises through to UK subsidiaries of listed multi-national groups. The common thread within them being they are entrepreneurial driven at their core. I seek to add value to their annual accounts and audits processes, to assist in fulfilling their long-term ambitions.

I also sit on the firm’s ESG Committee looking to drive internal improvements.

Email: james.hallett@sgllp.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.

Let's strengthen your
organisation’s financial future.

Latest News

Manufacturing and Engineering Newsletter – Spring 2025

Welcome to the Spring Edition of our Manufacturing and Engineering Newsletter.