Public construction companies in Welwyn

2 companies in and around Welwyn working in the public sector.

Both of these companies file accounts at Companies House, and both hold at least one accreditation, most often ISO 9001. Both are active on the register.

Gridlocked Ltd Welwyn · Fit-out & interiors · 1-9 employees
Gridlocked Ltd are a UK based interior fit-out contractor specialising in all forms of ceiling and partition systems and operating nationwide.
Space Heating Ltd Welwyn · Heating & ventilation · 10-49 employees
Family-run plumbing and heating specialists in Hertfordshire, covering domestic and corporate requirements. Offering 24/7 emergency services, boiler i

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