Design & build main contractors in the UK

5282 UK main contractors offering design & build work.

• I Icon Kitchen Designs Purley · Refurbishment · 1-9 employees

  Luxury home renovation in London. Delivering high-end residential refurbishments, extensions, loft and basement conversions across London.

• I Icon Projects Ltd Stockport · Fit-out & interiors · 10-49 employees

  With over 200 years collective industry experience delivering fit outs across the world. ICON was founded to raise service standards in the fit out se

• I ICONIC BUILDS & DEVELOPMENTS LTD Manchester · Property developer

  Iconic Builds & Developments offers garden rooms, luxury lodges, and property development services, focusing on low-maintenance, high-performance buil

• I IDA Company Glasgow · Fit-out & interiors · 1-9 employees

  IDAco is a design and interior fit-out business established in 2015, offering a full design & fit-out service and furniture project delivery for comme

• I Ida Development Ltd Northampton · Main contractor · 1-9 employees

  IDA Development Ltd offers premium construction and development services across the UK, specialising in residential, commercial builds, and renovation

• I Idea Construction Services Ltd Potters Bar · Refurbishment · 1-9 employees

  IDEA Construction Services offers professional building services in London, specialising in refurbishment, loft conversions, extensions, and bespoke j

• I Ideal Brickwork Ltd Canvey Island · Bricklaying · 1-9 employees

  Ideal Brickwork Ltd are high end bespoke brickwork contractors operating in the south east. We specialise in all aspects of construction ranging from

• I Ideal Building Systems Ltd Bridlington · Modular & offsite construction · 50-249 employees

  Ideal Building Systems Limited is a leader in Modern Methods of Construction (MMC), specialising in modular building systems. With an 8-acre manufactu

• I Ideal Property Improvements Ltd Sleaford · Refurbishment

  Discover quality property improvements with our expert team. From minor repairs to major renovations, we ensure reliable and precise service for your

• I Ideal View Technical Limited Watford · Extensions

  High-end home extensions, renovations & technical builds in Hertfordshire & North London. Premium finishes, full project management, fully insured. 5-

• I IDease Birmingham · Design & build · 1-9 employees

  IDease is an innovative Birmingham-based construction, refurbishment, and fit-out contractor offering nationwide coverage and complete turnkey solutio

• I IDM Properties London · Main contractor · 1-9 employees

  IDM Construction London is a dynamic construction division launched in 2015, delivering development projects with a flexible approach. We ensure tight

• I Igloo Contractors Ltd Doncaster · Main contractor

  As principal contractors with a proven track record, we bring clarity, control, and craft to every project. Based in Yorkshire & operating across the

• I Ikon Group (Wessex) Ltd Bournemouth · Design & build · 10-49 employees

  Specialist construction contractor offering bespoke turnkey project solutions throughout the United Kingdom.

• I Ilex Construction Ltd Nr Probus · Restoration & heritage

  Ilex Construction are historic building contractors in Cornwall, breathing life, purpose and craftsmanship back into heritage and bespoke buildings.

• i iLife Developments London · Design & build

  iLife Developments is a specialist luxury home development company creating unique, luxurious homes that reflect client individuality. They offer a co

• i iLine Northampton · Civil engineering · 10-49 employees

  iLine is the UK leader in cost effective, permanent culvert and sewer rehabilitation. Contact us today to discuss your next project.

• I Im Design & Build Ltd London · Design & build

  Professional builders in London with over 15 years' experience. IM Design & Build Ltd offers a wide range of services from refurbishments to extension

• I Image Building Projects Ltd Godalming · Main contractor

  Image Building Projects specialises in extensions, renovations, bespoke new builds, poolhouses, outbuildings, and annexes, delivering high-quality cra

• I IMAGO INTERIORS LIMITED London · Design & build

  A turn-key design and build company with considerable experience in the commercial interior market, committed to delivering best value through design,

• I Imech Engineering London · M&E contracting

  Imech Engineering Limited offers comprehensive engineering solutions including equipment erection, electrical installation, structural steel, piping,

• I Impact Event Solutions Ormskirk · Design & build

  Expert event and exhibition fit-out services for impactful corporate interiors. Transform spaces with our bespoke design and high-impact solutions.

• I Imperial Elite Construction Ltd London · Main contractor · 1-9 employees

  Imperial Elite Construction offers a wide range of building and construction management services, from new builds to refurbishments, commercial to res

• I Imperial Way Ltd London · Loft conversions

  Leading construction company in London, Essex, Surrey. Loft conversion, rear or side extension specialists. Property refurbishment London.

• I Imperium Construction Management Ltd London · Main contractor

  Yorkshire based project and construction management services. We provide structured leadership from inception to completion, managing the interface be

• I Imperium Garden Rooms Frome · Design & build · 1-9 employees

  Imperium Garden Rooms designs and builds bespoke, high-quality garden rooms, offices, pods, and luxury spaces in Somerset and Wiltshire.

• I Imphouse Ltd Newport · Main contractor · 10-49 employees

  Imphouse Ltd is a construction company based on the Isle of Wight, established in 1985. They offer a range of services including civil engineering, bu

• I In:arch London · Design & build

  In:arch delivers end-to-end residential building services in London, specialising in loft conversions, house extensions and full home renovations; fro

• I IN&OUT Garden Houses Peebles · Design & build

  IN&OUT Garden Houses designs and builds contemporary garden houses across the UK, offering bespoke solutions for home offices, gyms, and relaxation sp

• I Inactu Facilities Support Ltd Hazel Grove · Design & build

  Inactu offers expert design, refurbishment, and furnishing of office and commercial interiors, creating bespoke spaces tailored to business needs and

• I Incredible Construction Chelmsford · Loft conversions

  A family-owned company specializing in loft conversions and kitchen extensions in Essex, offering a full planning and completion service with qualifie

• I Indecon Building Ltd Essex · Main contractor · 10-49 employees

  Indecon Building Limited is a construction company offering new builds, refurbishments, and commercial services across London and the South East. They

• I Indigo Forecourts Ltd Ashton-Under-Lyne · Design & build · 1-9 employees

  Indigo Forecourts are specialists in turnkey building solutions for petroleum forecourt design and build.

• I Industrial Contracting Services Ltd Burton-On-Trent · Main contractor · 10-49 employees

  ICS is a proprietor-owned construction company with a reputation for tackling difficult jobs. They offer a range of core services including principal

• I Industrial Engineering & Installation Services Ltd Stone · Steel fabrication · 10-49 employees

  Industrial Engineering & Installation Services (IEIS) offer turnkey solutions for fabrication, site and project management across various construction

• I Inevitable Developments Haywards Heath · Design & build

  Inevitable Developments is a design, planning, and build company focused on achieving the best for your property projects, with people at the heart of

• I Infinity Builders Ltd Romford · Refurbishment

  Infinity Builders Limited offers extensive experience in new build works, commercial and residential refurbishment, extensions, and conversions within

• I Infinity Construct LTD Hatfield · Design & build · 1-9 employees

  Infinity Construct Ltd offers design and build services from initial sketches to final construction. With over 25 years of experience, they are a trus

• I Infrax Build Ltd Nottingham · Main contractor

  Infrax Build Ltd offers quality construction and renovation services in Nottingham, specializing in home renovations, refurbishments, and small-scale

• I Ing Building Ltd Ipswich · Main contractor · 1-9 employees

  ING Building is a professional, experienced building contractor offering the highest standard of domestic and commercial services across Suffolk, spec

• i inGeni Construction and Renovation London · Restoration & heritage

  Leading heritage builders in Essex specializing in listed building restoration, barn conversions, oak framing, and bespoke construction services acros

• I Inhus Ltd Leeds · Design & build · 1-9 employees

  INHUS Group specializes in design-build projects, integrating engineering, manufacturing, and construction for a streamlined client experience. They o

• I Inline Cladding Ltd Glasgow · Cladding · 1-9 employees

  Inline Cladding offers expert cladding, roofing, and fire-safety compliance services. Specialising in rainscreen and external wall fire safety, they p

• I Inner Create Milton Keynes · Design & build · 1-9 employees

  Architectural design, home extension, loft conversion, & interior design. From planning & 3D visualisation to project management & energy-efficient re

• i innerspace London · House builder · 1-9 employees

  Innerspace designs and builds modern, sustainable homes with a focus on intelligence, personality, and affordability. They offer customisable living s

• I Innovate D&B Ltd Billingham · Main contractor · 1-9 employees

  Innovate Design and Build Ltd is a family-owned construction firm based in Billingham, Stockton-on-Tees. We offer a comprehensive approach to construc

• I Innovate Home Solutions Ltd London · Design & build

  We specialise in home extensions, loft conversions, and full renovations designed to make your space truly yours.

• I Innovation Construction And Development Ltd Brentwood · Main contractor · 1-9 employees

  Innovation Construction and Development offers high-quality construction services in Essex, including new builds, house extensions, loft conversions,

• I Innovation Experts Ltd London · Design & build

  Innovation Experts Ltd offers premium construction & renovation services in London, providing reliable, high-quality refurbishment, repair, and mainte

• I Innovative Utilities (UK) Ltd London · Utilities · 10-49 employees

  Innovative Utilities (UK) Limited is a privately owned Utility & Civil Contractor operating throughout the UK, with a strong focus on water and gas in