Public construction companies

6443 UK companies working in the public sector.

• I Infinity Energy Services Ltd Southampton · Solar PV

  Infinity Energy Services supply and install renewable energy solutions to both residential and commercial customers in the south.

• I Infinity Surveying Ltd Hove · Refurbishment

  Professional construction consultancy services to clients in the block property management, residential, education, commercial and public sectors.

• I INFIRISK Edinburgh · Fire protection · 10-49 employees

  INFIRISK is the UK's B2B marketplace for fire safety services, connecting businesses with accredited professionals and providing tools for job posting

• 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 Ingeni Solar Walsall · Solar PV · 1-9 employees

  Commercial renewable energy solutions for UK businesses, including solar PV, battery storage, EV charging, project delivery and maintenance.

• I Ingenium Civil Engineering Ltd Bristol · Civil engineering · 10-49 employees

  Commercial civil engineering contractor in Bristol delivering groundworks, drainage, and reinforced concrete projects. Serving South West England & Wa

• 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 Initial Systems Ltd Ashford · Main contractor

  Initial Systems is a construction company in the South East. Sectors include education, commercial, healthcare & highways with a focus on sustainabili

• I Initivo Consultancy Limited Watford · Concrete works

  Initivo combines world-leading laboratory testing with expertise in sustainability and a complete understanding of structures. Our multi-disciplinary

• I Inkko Mitcham · Fit-out & interiors · 1-9 employees

  Inkko is a nationwide leader in interior fit-out and shopfitting services, offering design, project management, and construction. With over 20 years o

• I Inline Access Ltd Grimsby · Scaffolding

  Inline Access Ltd provides a wide range of work at height solutions nationwide. Based out of Sheffield, South Yorkshire we service all major industrie

• I Innercity Scaffolding Ltd Dartford · Scaffolding

  Inner City Scaffolding delivers intelligent, bespoke scaffolding and access systems, with safety, innovation, and value at the heart of every project.

• I Innolight Ltd Stevenage · Electrical

  Specialising in lighting installation, maintenance, and repair for private and public sectors, including car parks, amenity areas, and commercial prem

• I Innovation Enhanced Basingstoke · Heating & ventilation · 1-9 employees

  Innovation Control Ltd provides Building Management Systems (BMS) solutions, offering expertise in controls and mechanical services for comfort, effic

• I Innovative Networks Ltd Shepperton · Electrical

  Expert Network Installation Services across London, Surrey, and the South East. We design, install, and maintain secure, future-ready systems.

• 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

• I Innovel Technologies Ltd Poole · Design & build

  UK-based software development company creating custom web and mobile applications. Focus on security, reliability, and building software from the grou

• I Inov-8 Electrical Services Ltd Tamworth · Electrical

  INOV8 Electrical Services Ltd is a UK-based electrical engineering professional company offering domestic and commercial services. Established in 2024

• I Inova Gates Ltd Magherafelt · Fencing

  INOVA Gates is a leading manufacturer of security-rated sliding gates, offering solutions for critical national infrastructure, industrial, and commer

• I Insight Traffic Solutions Ltd Doncaster · Traffic management

  Insight Traffic Solutions provides safe and efficient traffic management solutions for roadworks, events, and more. Experts based in Doncaster.

• I Insite Portable Accommodation Coleford · Modular & offsite construction · 1-9 employees

  Portable offices and temporary office buildings for sale or hire across the UK. Practical workspace solutions for construction sites, businesses and p

• I Insite Southern Southampton · Damp proofing

  Insite Southern are trusted specialists in damp proofing, woodworm treatment and fungal decay solutions for residential and commercial properties acro

• I Inspire Contract Services Ltd Canterbury · Roofing · 10-49 employees

  Award-winning contractor delivering specialist roofing, waterproofing and building services for public and private sector clients across the UK. Trust

• I Inspire Green Ltd Cardiff · Solar PV

  Cardiff-based MCS-certified installer of commercial solar PV, EV charging, battery storage & LED lighting across Wales & the South West. Free site sur

• I Inspire Protection Solutions Ltd Wolverhampton · Fire protection · 10-49 employees

  Inspire Protection Solutions offers specialist design, installation and maintenance of integrated security, fire, communications and life safety syste

• I Inspire Ventilation Ltd Gravesend · Heating & ventilation

  Inspire Ventilation offers expert HVAC commissioning, plant validation, air & water balancing, and plant set-up services. With over 20 years of experi

• I InstaGroup Finchampstead · Insulation

  InstaGroup offers insulation, solar PV, battery storage, and heat pump solutions for homeowners, developers, and businesses across the UK.

• I INSTANT MODULAR SOLUTIONS LTD Chesterfield · Modular & offsite construction

  Instant Modular Solutions provides bespoke modular space solutions for various needs, from construction site offices to retail venues and residential

• I Instyle All Trade Paisley · Fire protection · 10-49 employees

  Instyle All Trade delivers comprehensive trade services across all sectors, specializing in expert craftsmanship and fire protection. We ensure high-q

• I Insulation Contracting Services Ltd Birmingham · Asbestos removal · 10-49 employees

  ICS are a high quality asbestos removal and insulation company that operate on Commercial and Domestic premises throughout the UK.

• I Intech Controls Ltd Horsham · M&E contracting

  Intech Controls specialises in delivering tailored Building Management Systems (BMS), Energy Management Systems, and Smart Building Technology to enha

• I Integra Buildings Ltd Paull · Modular & offsite construction · 50-249 employees

  Award-winning UK manufacturer of bespoke modular buildings and steel anti-vandal solutions, offering innovative, cost-effective, and time-efficient of

• I Integral Environmental Solutions Ltd Benfleet · Asbestos removal · 1-9 employees

  Integral Environmental Solutions offers expert asbestos removal, surveys, abatement, testing, and hazardous waste collection across the UK. Safe and r

• I INTEGRATED ELECTRICAL SECURITY LTD Calne · Security systems

  Integrated Electrical Security design, install & maintain high-end bespoke security systems including CCTV, access control, video entry, gate automati

• I INTEGRATED FACADE SOLUTIONS LTD Ealing · Cladding

  Experts in building solutions, specialising in external and internal intrusive survey works for fire risk assessments and factual surveys. Committed t

• I Integrated Fencing Ltd Aberdare · Fencing · 10-49 employees

  Integrated Fencing supply and install all kinds of fencing including mesh, palisade, railings, acoustic fencing, and more all across the UK.

• I Integrated Utility Services Ltd Newcastle Upon Tyne · Utilities

  Integrated Utility Services (IUS) is a leading UK provider of High Voltage power infrastructure services and adoptable utility networks, with extensiv

• I Intelect (UK) Ltd Middlesbrough · Electrical · 50-249 employees

  Intelect UK is an award-winning engineering contractor with over 25 years of experience, providing global engineering solutions across various industr

• I Intelihome Glasgow · Heating & ventilation

  Intelihome (UK) Ltd is a Glasgow-based maintenance and property services company, offering heating, plumbing, electrical, and building services. Found

• I Intelligent Membranes Croydon · Waterproofing

  High-performance liquid-applied airtight, vapour control and waterproof membranes for new builds and retrofit projects. Passivhaus certified and fire-

• I Intelligent Scaffolding Ltd Liverpool · Scaffolding · 1-9 employees

  Award-winning Liverpool scaffolding company. Intelligent Scaffolding provides high-quality services to commercial customers across the UK.

• I Intempo Electrical Contracting Limited Leeds · Electrical

  Intempo Electrical Contracting Limited offers comprehensive electrical installation services for commercial, industrial, public, and domestic environm

• I Interclass Public Ltd Company Wolverhampton · Main contractor

  Interclass is a family-owned, Midlands-based UK construction business with 50 years of experience. They offer new build, design & build, extension, an

• I Interior Motives International Ltd London · Fit-out & interiors · 10-49 employees

  Experts in commercial construction management since 1981. Interior Motives has been a success story since 1981, with clients throughout London and the

• I Interkey Contracting Ltd Corby · Main contractor

  Interkey Contracting Ltd, Expert construction solutions for stadiums, commercial developments, industrial facilities, and food and beverage projects a

• I International Security Expo Oldbury · Security systems · 50-249 employees

  International Security Expo is the premier event for global security professionals, fostering connections between government, industry, and end-users.

• I Interseal UK Ltd Mansfield · Fire protection · 10-49 employees

  Interseal UK Limited specialises in fire protection, air sealing, and fire barrier systems for various sectors. They offer consultancy and installatio

• I Intervention Services Ltd Pontyclun · Main contractor · 10-49 employees

  Intervention Services Limited are a well established, medium sized, company in South Wales who are privately owned and work together with major contra