Inspiring Business by Sharing Success
Added by Love Business East Midlands | 7 July 2026
UPDATED: 7 July 2026
Established in 1989, SDG is a long-standing family-run business based in Navenby, Lincolnshire. The company manufactures, installs and maintains commercial roller shutters, electric gates, doors, fencing and related access systems, providing tailored safety and security solutions to customers.
SDG works exclusively with commercial customers, supporting businesses and public sector organisations across logistics, automotive, retail, education, facilities management and the emergency services.
Its customer base spans across industrial parks, schools and colleges, councils, police and fire services, facilities management companies and national commercial operators. Notable clients include the London Fire Brigade, Humberside Police, Leicester City Football Club, Listers Group, Sunbelt Rentals and facilities management providers such as CBRE and Dalkia.
The £1.2 million funding package from the Midlands Engine Investment Fund II will support the company’s next phase of development and provide additional working capital for continued growth. SDG will continue to service increasing demand from existing commercial customers and new opportunities across emergency services and local authority markets.
Simon Farrar, Managing Director of SDG, said:
“SDG has been built over many years on the strength of our customer relationships, the quality of our work and the reliability of the service we provide. This funding marks an important step in our next phase of growth, providing the working capital to expand and meet increasing demand from commercial and public sector customers across the UK.”
Richard Altoft, Investment Director at Maven Capital Partners, said:
“SDG is a well-established business with an impressive commercial customer base and a reputation for delivering high-quality work and reliable service. Its maintenance and repair offering helps to build long-term relationships with customers, and the business is well positioned for continued organic growth. We are pleased to support the team as they build on the company’s strong foundations and move into the next phase of its development.”
David Tindall, Senior Investment Manager at the British Business Bank, said:
“We are pleased to have supported the business through the Midlands Engine Investment Fund II. Companies like SDG play an important role in creating skilled jobs and strengthening the region’s economy.
“This investment demonstrates the Fund’s commitment to providing smaller businesses across the Midlands with the funding they need to realise their growth ambitions. By supporting SDG as it expands its operations within the safety and security sector, we are helping to unlock long-term economic growth and opportunity across Lincolnshire and the wider Midlands region."
The £400 million Midlands Engine Investment Fund II covers the entire Midlands region, providing debt finance from £25k to £2m and equity investment up to £5m to help a range of small and medium sized businesses to start up, scale up or stay ahead.
Maven was introduced to the opportunity by James Lamb of Funding Round.