Ian Williams Limited

Current appointment end: 31 July 2027

• Whole house retrofit (Full service solution) East England, East Midlands, London, North East England, North West England, South East England, South West England, Wales, West Midlands, Yorkshire and Humber

Current appointment end: 23 February 2029

• Whole house East England, East Midlands, London, North East England, North West England, South East England, South West England, Wales, West Midlands, Yorkshire and Humber
• Electrical East England, East Midlands, London, North East England, North West England, South East England, South West England, Wales, West Midlands, Yorkshire and Humber
• Insulation East England, East Midlands, London, North East England, North West England, South East England, South West England, Wales, West Midlands, Yorkshire and Humber

Current appointment end: 30 September 2028

• Fire and associated services – Fire Doors East Midlands, London, North West England, South East England, South West England, Wales, West Midlands
• Fire and associated services – Passive Works East Midlands, London, North West England, South East England, South West England, Wales, West Midlands

Current appointment end: 31 October 2027

• Full-service solution Ranked 4–5 by region East Midlands, London

Current appointment end: 9 December 2027

• Passive works - Value band £0-3m Ranked 6 North England
• Whole Building Works - Value Band - £0-3m Ranked 2–7 by region London, Midlands, South East England, South West England, Wales

Current appointment end: 31 July 2028

• Kitchens and bathrooms supply and install - Value band 2 (£2m+) Ranked 3–5 by region England, Northern Ireland, South West England, Wales, West Midlands
• Cyclical painting and decoration works Ranked 4 England, Northern Ireland, Wales
• Whole house works - Value band 2 (£1m-£3m) Ranked 3–4 by region England, Northern Ireland, South West England, Wales
• Whole house works - Value band 3 (£3m+) Ranked 3–7 by region England, Northern Ireland, South West England, Wales, West Midlands

• Full-service multi discipline provision East Midlands, London, North West England, South East England, South West England, Wales, West Midlands
• General Repairs and Joinery East Midlands, London, North West England, South East England, South West England, Wales, West Midlands
• Plumbing and heating East Midlands, London, North West England, South East England, South West England, Wales, West Midlands
• Electrical East Midlands, London, North West England, South East England, South West England, Wales, West Midlands