A family engineering business since 1938

Howardson Group is a family-owned British manufacturer based in Derby, serving professional and grassroots sports, contractors and local authorities through three distinct brands:

SISIS, Hunter Grinders and Dennis.

Built on a foundation of precision, performance and partnership, Howardson Group equipment helps professional groundskeepers deliver elite-level playing surfaces and fine turf; every game, in all seasons.

Howardson Group

Latest News

Friday 24 April 2026

Howardson Group Engages Grounds Professionals at Cardiff City Stadium Event

The Howardson Group team was proud to attend this year’s GMA Connect 2026 at Cardiff City Stadium on 21st April, where we joined industry professionals from across the UK for a day focused on innovation, collaboration and the future of grounds management.

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Saturday 18 April 2026

Howardson Group Showcases Dennis & SISIS at GMA Connect 2026, Abingdon School

The Howardson Group team was proud to attend this year’s GMA Connect 2026 at Abingdon School, where we joined industry professionals from across the UK for a day dedicated to innovation, collaboration and the future of grounds management.

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Thursday 16 April 2026

Howardson Group Showcases Dennis and SISIS at Warwickshire College Group Turfcare Showcase

Howardson Group was proud to be represented by Adam Hart and Jason Briggs at the Warwickshire College Group Turfcare Showcase, held on Wednesday 15th April 2026 at DLF Seeds, Thorn Farm, Inkberrow.

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