Main contractors in the UK

6990 main contractors listed from the UK register.

• 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 Idd Construction Ltd Ilford, · Main contractor · 1-9 employees

  This is a placeholder page for uat.accountants-services.co.uk. It appears to be a test or staging site.

• 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 Idi Builders Ltd London · Refurbishment

  Building & Renovation Company in North London. Loft Conversion, Extension, New Builds, Full house Refurbishment, Basements, Kitchen & Bathroom.

• 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 Iffe Construction Ltd Manchester · Main contractor

  IFFE Construction Limited offers comprehensive construction services, focusing on quality, safety, and client satisfaction. They specialize in new bui

• I Ifyachi Ltd London · Main contractor · 1-9 employees

  Ifyachi Ltd is a specialist boutique advisory firm offering customized strategic and project delivery consultancy for sectors ranging from Oil and Gas

• 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 Igne Glasgow · Groundworks

  Igne offers comprehensive ground investigation services, from site surveys to geotechnical analysis. With nationwide reach and expert insight, we prov

• I Igne Glasgow · Groundworks

  Igne offers integrated ground investigation, specialist drilling, UXO mitigation, geo-environmental, and materials testing services across the UK.

• I Ignite Logistics Ltd Essex · Main contractor · 1-9 employees

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• I IGOE UP Bonnyrigg · Restoration & heritage

  Specialist steeplejack and rope access services for challenging projects at height. Offering precision, safety, and traditional craftsmanship since 20

• I Igpa Building Services Ltd Welham Green · Property developer · 1-9 employees

  Igpa Building Services Ltd is a property developer company based in Welham Green, registered at Companies House in 2015.

• I Ihs Lothian Ltd Aberdeen · Property developer

  NHS Lothian provides comprehensive healthcare services across Edinburgh, Midlothian, East Lothian, and West Lothian, serving over 850,000 people with

• I Ijm Building Services Ltd Prudhoe · Main contractor

  Bespoke luxury construction from a Northumberland practice, private new builds, heritage restoration and stone masonry across the UK and Europe.

• I Ilkley Construction Ltd Ilkley · Refurbishment

  Ilkley Construction provides premier home renovations, building projects, and expert decorating across Wharfedale. Our "Build Better" ethos ensures hi

• I Ilyrian Construction Ltd London · Main contractor

  Ilyrian Construction Ltd is a London-based family-run building company offering a wide range of property services including new builds, extensions, re

• I Im Total Construction Ltd Exeter · Main contractor

  IM Total Construction offers top-quality construction services, building spaces that inspire with a focus on quality, safety, and sustainability. We b

• 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 Imotrea Construction Ltd Luton · Main contractor

  Imotrea Construction is a trusted partner for top-quality construction and renovation services. Specializing in a wide range of building solutions, we

• I Impact Aerial Birmingham · Roofing

  Professional Drone Photography and Videography Company providing Drone Photos and Videos to Clients across the UK and Overseas Clients.

• I Imperial Brickwork Ltd Ipswich · Main contractor · 1-9 employees

  Imperial Brickwork Ltd is a general contracting company overseeing construction and renovation projects in the residential and commercial sectors. The

• I Imperial Building Ltd Rye · Main contractor · 1-9 employees

  Imperial Building are a family-run building company based in Bexhill, East Sussex, offering professional and reliable building services for projects l

• I Imperial Construct Ltd London · Main contractor

  Imperial Construct Ltd is a temporary employment agency specializing in connecting skilled construction professionals with leading employers across th

• I Imperial Construction & Development Ltd Barking · Property developer

  Imperial Construction & Development Ltd is a prominent UK construction and development company, specializing in creating modern, luxury living spaces

• 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 Framing And Construction Ltd Lewes · Main contractor

  Imperial Framing And Construction Ltd is a main contractor company based in Lewes, registered at Companies House in 2025.

• 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 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 Impi Projects Ltd Carlisle · Main contractor

  IMPI Projects Limited provides construction project management, groundworks, civil engineering, and plant hire services across the UK.

• I In Charge Construction Ltd Darlington · Main contractor

  Commercial project management and internal fit out specialists in the North East and North Yorkshire. Delivering high-quality refurbishments and retai

• I In Home Building Ltd London · Main contractor

  In Home Building Ltd is a London-based construction company with over 25 years of experience. They offer a wide range of building services for domesti

• I Inbyld Ltd High Wycombe · Main contractor · 1-9 employees

  Inbyld Ltd is a bespoke building company and principal contractor offering complete project management, expertise, efficiency, and compliance for cons

• I Inception Developments Ltd Southport · Main contractor · 1-9 employees

  Inception Developments Ltd is a company based in Southport, England. They are involved in property development.

• I Ind.Com Construction Ltd Nantwich · Main contractor · 1-9 employees

  Ind.com Construction Ltd specialises in building construction and maintenance for industrial, commercial, and education sector buildings in North West

• 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 Indiego Build Ltd Southsea · Main contractor

  IndieGo Build offers new builds, extensions, and loft conversions with experienced teams and full project management. They guide clients through proje

• I Indigo Group Penarth · Main contractor

  Indigo Group provides outsourced payroll, CIS compliance, and workforce engagement solutions for multisector businesses, ensuring legal compliance and

• I Indurent Propco C7 Ltd Stockport · Main contractor

  Indurent Propco C7 Ltd is a main contractor company based in Stockport, registered at Companies House in 2024.

• I Indus Valley Builders Ltd Slough · Main contractor

  Indus Valley Builders: From foundation to finish, we make your dream home a reality. We build communities, lifestyles, and lasting value with quality,

• 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 Infinity Building Solutions Ltd Luton · Refurbishment

  Infinity Building Solutions offers expert construction and maintenance services, focusing on precision and innovation to exceed client expectations an

• I Infinity Plumbing & Maintenance Sw Ltd Bolton · Main contractor

  Infinity Plumbing & Maintenance Sw Ltd is a main contractor company based in Bolton, registered at Companies House in 2025.

• I Influent Construct Ltd London · Main contractor · 1-9 employees

  The professional digital gateway for Influent Construct LTD, providing project insights, maintenance scheduling, and streamlined quotation workflows f

• 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 Ingham & Garner Ltd Prescot · Main contractor · 10-49 employees

  Ingham & Garner Ltd is a family-run construction company based in Prescot, Merseyside. Specialising in extensions and refurbishments, they serve comme

• 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 Inik Construction Ltd London · Extensions · 1-9 employees

  INIK Construction is a trusted building company in London, offering a wide range of residential and commercial construction services including extensi

• I Init Build Ltd Lisburn · Main contractor

  Init Build Ltd is a main contractor company based in Lisburn, registered at Companies House in 2008.