The companies, deals and people behind defence in Leeds. One of the UK's designated growth sectors, as it plays out in Leeds: where investment, funding programmes and scale-ups concentrate.
Leeds defence and security companies supply engineering, electronics, software, cyber security and training to the armed forces, government and the prime contractors, many as part of wider supply chains across the North.
This page follows the sector as it plays out in Leeds. Top stories shows what our readers are following now. Company news lists the contracts, investments, acquisitions and senior hires we have reported over the last 12 months, firm by firm. Below it are the defence companies on our register, those in our news first, and the map shows where they are based.
This page is new and grows with our coverage. If your company works in defence in Leeds, send us your news.
None of the companies pays to be listed, and coverage is an editorial decision.
In the news North Defence Signs as Leeds United’s Official Defence Partner
See their latest news →
In the news Northern Square Mile Leeds: Bank of England, FCA, and PEXA Reveal Scale of Commitment at UKREiiF
See their latest news →
| Company | Type | Where | Since |
|---|---|---|---|
| DDIRICKX Systems | Leeds headquartered · Leeds Valley Park | 2022 | |
| NNational Security Strategic Investment Fund | National | active in Leeds | |
| SSafeGuard Armour | Leeds headquartered · Sefton Park | ||
| SSARAS Technology | Leeds headquartered · Windmill House |
Those in our news in the last 12 months come first, most recent first, then A to Z. No company pays to be listed or to change its place.
Leeds offices from the addresses on each company's record.
12NovWorkshopA breakfast session for manufacturers on cyber security, with talks, a hands on cyber exercise and details of funded support from Made Smarter.
18NovConferenceA full day cyber security conference with keynotes, sessions and networking for security leaders, IT professionals and business decision makers.
Monthly morning networkingOur monthly morning for people who buy, sell and deliver across Leeds. Coffee, a short editors' briefing on Leeds business, then hosted introductions.
The UK's designated growth sectors, as they play out in Leeds: where investment, funding programmes and scale-ups concentrate. Every company can earn coverage the same way, by making news.
Independently compiled by Leeds Today from our coverage, company filings and research. No company can pay to be added. Last reviewed 5 November 2026.
Spotted a gap or a change? Email news@leeds.today.
