Infrastructure construction companies

5511 UK companies working in the infrastructure sector.

• O Omega Scaffolding Services Ltd Woolston · Scaffolding · 10-49 employees

  Omega Scaffolding Services Ltd has over 25 years of trading history, providing scaffolding and access solutions for construction, engineering, mainten

• O Omega Traffic Services Ltd Ashford · Traffic management · 1-9 employees

  Omega Traffic Services Ltd provides comprehensive traffic management solutions including temporary lights, road closures, and diversions across Kent a

• O Omenatic Ltd Caterham · Scaffolding · 1-9 employees

  Specialist rope access company providing safe, efficient access to difficult locations where conventional methods are impractical. Serving constructio

• O OMNIS COMMUNICATIONS LTD Middlesbrough · Utilities

  Omnis Communications Ltd delivers reliable fiber optic solutions across the UK, specializing in telecom cabling, fiber optic testing, splicing, and ne

• O Omnis Multiplus Services Ltd. Dunstable · Traffic management · 1-9 employees

  Omnis Multiplus Services Ltd is a construction support services company dedicated to helping construction projects operate safely, efficiently, and wi

• O Oms Utilities Ltd Welwyn Garden City · Utilities

  OMS UTILITIES LTD offers comprehensive utility management, infrastructure development, and maintenance solutions. Prioritizing safety and sustainabili

• O On Centre Surveys Warwick · Landscaping · 10-49 employees

  On Centre Surveys offers professional Land & Building Surveys across the UK and Europe, with 45 years of experience and a team of 25 staff.

• O On Track Technicians Ltd Lisburn · Rail infrastructure · 50-249 employees

  A rail-only principal contractor delivering safe, reliable infrastructure solutions, skilled teams and proven framework programmes across NI, ROI & th

• O On-Site Archaeology Ltd North Yorkshire · Restoration & heritage

  On-Site Archaeology, established in 1997 in York, offers archaeological services for construction and development, from consultancy to excavation, sup

• O ONE SHOT UTILITIES LTD Wallington · Utilities

  One Shot Utilities is a Wallington based multi-utility company providing utilities upgrade and installation services, in nearby locations such as Bans

• O Onestop Safety Solutions Glasgow · Scaffolding

  Onestop Safety Solutions design, manufacture and install bespoke work at height safety systems and fall protection solutions across the UK.

• O OnPoint TRAC St. Helens · Rail infrastructure · 1-9 employees

  OnPoint TRAC is a multi-skilled organisation providing training and labour supply to the civil, construction, plant, machinery and rail sectors across

• O ONSHORE TECHNICAL LTD London · Utilities

  Onshore Technical: Experts in gas sector recruitment, temp-to-perm contracts, design consultation, and project management.

• O Onya Management Services Ltd Shropshire · Concrete works · 1-9 employees

  Onya Management Services Limited (OMSL) offers specialist consultancy services for project management, focusing on cost and schedule control within th

• O Onyx Civils Ltd Shaftesbury · Civil engineering · 10-49 employees

  Onyx Civils Limited is a groundworks and civil engineering company based in Dorset, operating as a main and principal contractor throughout the South

• O Opal Access Group Newcastle Upon Tyne · Rail infrastructure · 1-9 employees

  Opal Access Limited delivers facilities management, maintenance, rope access, commercial cleaning, security, workwear, rail and renewables services ac

• O Open Ecx Ltd Manchester · Insulation

  Automate invoicing, ordering and statement reconciliation with 100% accuracy. An accredited Peppol Access Point connecting 17,000+ trading parties.

• O Openview Security Solutions Ltd Essex · Electrical · 250+ employees

  Preqin is a leading provider of data, insights, and analytics for the alternative assets industry, empowering professionals to make informed investmen

• O Opm Procurement Ltd Bedworth · Civil engineering · 1-9 employees

  Construction Procurement Specialists. Building Materials, Concrete, Aggregates, Muck Away, Plant Hire, Materials Procurement.

• O Optiflex Utilities Ltd Maidstone · Utilities

  Optiflex Utilities offers reliable infrastructure and support services tailored for telecommunications providers, ensuring efficient utility solutions

• O Optility Ltd Cradley Heath · Utilities · 10-49 employees

  Optility Limited delivers comprehensive infrastructure solutions across the UK, specializing in civil engineering, multi-utility projects, and telecom

• O Optimal Developments Ltd London · Main contractor · 1-9 employees

  Builders in King's Lynn with 36 years on the tools. New builds, extensions and renovations across West Norfolk, all backed by our 12-month snagging gu

• O Optimum Scaffolding Ltd Alcester · Scaffolding · 10-49 employees

  Trusted NASC Scaffold contractor in Birmingham. Offering expert commercial scaffolding services & scaffold tower hire in Birmingham & the surrounding

• O Optimus Access Ltd Gravesend · Scaffolding · 10-49 employees

  Optimus Access Limited is an established scaffolding contractor with over 15 years of experience delivering complex access solutions across the UK con

• O Options Energy Services Ltd Harlow · Civil engineering · 10-49 employees

  Options Energy Services is an independent civil engineering contractor delivering utility infrastructure, energy, telecoms and traffic management serv

• O Optivolt Solutions Ltd London · Electrical

  Optivolt Solutions Limited provides specialist training in AI, digital skills, automation, IoT, and smart technologies, alongside electrical NVQ compe

• O Optosmart Ltd London · Solar PV

  OptoSmart provides modular smart poles and IoT-ready street lighting ecosystems for UK municipalities and developers, focusing on zero carbon footprin

• O Opus Construction And Civils Ltd Birmingham · Main contractor · 1-9 employees

  Opus Construction and Civils Ltd are a specialist construction company operating in the insurance repair sector on complex projects.

• O Opus Power Ltd Shrewsbury · Electrical

  Opus Power Ltd specialises in electrical contracting, with over 30 years of experience in overhead line (OHL) work and power distribution across the U

• O Opus Utility Solutions Warrington · Utilities · 10-49 employees

  Opus Utility Solutions is a Tier 1 SME delivering civil & electrical engineering solutions in the utilities sector, supporting DNOs and IDNOs around t

• O Orbit Scaffolding Ltd Leeds · Scaffolding · 1-9 employees

  Orbit Scaffolding Limited is an experienced and professional independent scaffolding company based in Leeds, West Yorkshire, dedicated to providing un

• O Ordtek Ltd Norfolk · Civil engineering · 10-49 employees

  Ordtek specializes in UXO risk assessment, clearance support & geoscience services worldwide, trusted by infrastructure, energy & construction project

• O Orion Lifting Solutions Ltd London · Crane hire · 1-9 employees

  Orion Lifting Solutions is a leading provider of lifting management solutions, bringing technical expertise to construction plans to improve efficienc

• O Oris Construction Ltd York · Groundworks · 1-9 employees

  Oris Construction Ltd is a family-owned groundworks and civil engineering company serving domestic and commercial clients across Yorkshire. They offer

• O Orton Group Halesowen · Electrical · 10-49 employees

  Orton Group is a leading UK provider of Electrical, Mechanical, and Maintenance Services, recognised with the Contractor of the Year award.

• O Orton Group Halesowen · Electrical

  Leading UK Electrical, Mechanical and Maintenance Services provider, delivering high-quality service on time and on budget for complex projects.

• O Orton Lifts & Escalators Ltd Welwyn Garden City · Lifts & escalators · 10-49 employees

  Orton Lifts & Escalators Ltd is a key labour resource supplier to major UK lift and escalator companies, offering consultancy, installation, maintenan

• O OSADARE LIMITED Bristol · Civil engineering · 1-9 employees

  Expert project bidding, skilled staff placement, and professional development opportunities across offshore, nuclear, aerospace, and industrial mega p

• O Oscrete UK Ltd Bradford · Concrete works · 10-49 employees

  Leading UK manufacturer of concrete admixtures and performance additives, trusted by manufacturers, contractors and specifiers. Over 40 years experien

• O OSL Global Crewe · Rail infrastructure · 50-249 employees

  OSL Global provides optimised engineering and consultancy services for rail systems, water treatment, waste management, and AI integration, delivering

• O Osmonds Transport And Planing Ltd Gillingham · Road surfacing · 10-49 employees

  Osmonds Transport & Planing Ltd offers high-quality road planing and milling services across the South East of England, operating a fleet of 15 machin

• O Osmose Hudderfield · Utilities · 50-249 employees

  Osmose Utilities Services provides solutions for T&D networks, focusing on asset preservation, structural resiliency, and data-driven decision-making

• O Osprey Charging Network Ltd Canterbury · EV charging · 10-49 employees

  Osprey provides drivers with high-power rapid electric vehicle charging in a convenient and thoughtfully placed charging network, across the UK.

• O OUR RIVERS (NORFOLK) LTD Newport · Drainage

  Our Rivers provides FREE Septic Tank Upgrades in Norfolk and Cumbria in association with trusted local experts to help restore local ecosystems and wa

• O Outer London Surfacing Stevenage · Road surfacing · 1-9 employees

  Professional Road Surfacing Contractors in Hertfordshire. Providing Expert Patio, Driveway and Landscaping Work For Commercial & Residential Propertie

• O Outersight (UK) Ltd Plymouth · Security systems · 1-9 employees

  Specialist remote CCTV, wildlife observation and research, and harsh environment CCTV solutions. Bringing the outside in with innovative technical sol

• O Outfluir Ltd Burton-On-Trent · Utilities · 1-9 employees

  Outfluir Ltd is a telecommunications company specializing in rapid fibre optic deployment and infrastructure project recovery, delivering critical fib

• O OUTWEST CIVIL ENGINEERING Birmingham · Civil engineering

  OUTWEST Construction are a Civil Engineering contractor specialising in groundworks, roads and drainage, demolition, from the West Midlands, serving h

• O Ovamill Ltd Great Yarmouth · Main contractor · 50-249 employees

  Ovamill provides quality construction services and operational excellence through efficient planning, communication and competitive pricing. We tailor

• O Ovenden Allworks Ltd Canterbury · Civil engineering · 1-9 employees

  Ovenden Allworks is a family-owned construction company based in Kent, specialising in civil engineering, groundworks, earthmoving, and surfacing. Wit