ISO 9001 accredited construction companies

1906 UK construction companies displaying ISO 9001 on their website.

• P P.B. Donoghue Watford · Groundworks · 1-9 employees

  P.B. Donoghue is a waste disposal, recycling, and skip hire company covering North London and Watford. They focus on quality, care, and delivery, buil

• M Mealey Projects Ltd Leicester · Shopfitting

  Mealey Projects Ltd are shopfitting and interior fit out specialists based in Leicester, undertaking contracts nationwide. Offering complete project m

• T Tw Group (South Wales) Ltd Swansea · Main contractor · 10-49 employees

  TW Group (South Wales) Ltd is a dynamic construction company specializing in housing developments, renovations, and re-roofing for private and public

• S SAS Utilities Craven Arms · Utilities · 10-49 employees

  SAS Utilities is a leading multi-disciplined contractor offering nationwide project delivery in civil engineering, reinstatement, and utilities. Commi

• P Pro Circuit Electrical Ltd Bradford · Electrical

  Pro Circuit Electrical offers a wide range of electrical services, from full petrol forecourt installations and testing to bespoke domestic and commer

• 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

• L Lighthouse Electrical (Hull) Ltd Withernsea · Electrical

  Specialist Electrical Services including Control Panels, Installations, Maintenance, Inspection & Testing for Industrial, Marine & Hazardous Areas.

• M MODULAR EXPRESS GROUP LTD London · Modular & offsite construction

  Modular Express Group Limited offers innovative modular homes, net-zero carbon solutions, and affordable housing.

• Q Quantum Switch Cheltenham · Design & build · 50-249 employees

  Quantum Switch: Expertly designed data centers for AI and cloud. We build & manage optimized infrastructure, ensuring peak performance and scalability

• B Bolden Group Ltd Liverpool · Main contractor · 1-9 employees

  Bolden Group provides high quality construction services in Liverpool and the North West-We specialise in new builds, refurbishments, and fire safety

• O Oakenwoods Group Ltd Colchester · Fit-out & interiors

  Oakenwoods Group specialises in CAT A and CAT B fit-outs, dry linings, partitions, ceilings, carpentry, and joinery projects, offering design, managem

• R Revinson Fire Ltd Sunderland · Fire protection

  Revinson Fire offers specialist passive fire protection services including fire damper testing, fire door inspections, compartmentation surveys, and r

• G Ground Construction Welwyn Garden City · Groundworks

  Integrated Construction Excellence since 1997. Top groundworks and concrete frame specialists.

• D Dci Fire Protection Ltd Newport · Fire protection

  DCI Fire Protection Ltd offers design, supply, installation, commissioning, servicing, and maintenance of residential sprinkler systems and dry risers

• A A1 Electrical Services (EK) Ltd Boston · Electrical

  A1 Electrical Services EK Ltd offers a comprehensive range of electrical installation services for commercial, industrial, and domestic clients. Accre

• M Md Glass Partitions Ltd Harlow · Glazing · 10-49 employees

  MD Glass Partitions Ltd is a professional, reliable, and innovative glass company specialising in partition glazing, glass doors and architectural gla

• F Fortes Interiors Ltd Tilbury · Demolition · 1-9 employees

  Fortes Interiors Ltd delivers high-quality construction, fit-out, and refurbishment solutions across the UK. Specialising in retail and commercial pro

• M Magicman Aylesbury · Restoration & heritage · 50-249 employees

  UK's leading specialist in on-site hard surface repair. Magicman restores baths, tiles, doors, worktops and more, saving you time, money and waste.

• C Calztec Fm Ltd Halesowen · Security systems · 1-9 employees

  Calztec Facilities Management and Maintenance offers a range of services to clients in Birmingham and across the West Midlands. Call today!

• T Triex Ltd London · Utilities · 10-49 employees

  Award-winning infrastructure company specialising in Renewables, Energy, Data Centres, Utilities, Power, Fibre and Construction. Turnkey projects in S

• H Hookstone Group Ltd Leeds · Demolition · 10-49 employees

  Hookstone Group is a leading demolition company with over 35 years of experience in demolition, strip out, contract crushing and enabling services to

• D Domestic Group Hertford · Heating & ventilation

  Trusted heating and EV charging specialists serving London and the South East. Boilers, heat pumps, air conditioning and service plans. Get a quote to

• i iKONIC Lifts Redditch · Lifts & escalators · 10-49 employees

  iKONIC Lifts provide lift consultancy, design, supply, install and service for any lift. Proven solutions for low headroom & pits.

• G Global Guardians Norwich · Fit-out & interiors

  Global Guardians provides affordable property guardianship housing across the UK, offering a cost-effective solution for both property owners and guar

• A ALB Brickwork St. Albans · Bricklaying · 1-9 employees

  ALB Brickwork are specialist brickwork contractors serving private homeowners and commercial construction companies across North and Central London, L

• U Unity Building Solutions Ltd Colchester · Extensions · 1-9 employees

  Unity Building Solutions Ltd offers a comprehensive range of building, landscaping, and maintenance services for residential and commercial clients. W

• D Dpj Fire And Security Ltd Wickford · Fire protection

  Industry leading independent provider of compliant fire and security solutions. Dynamic, reliable, and reassuring services for your peace of mind.

• A AURORA UK GROUP LTD Basildon · Fire protection

  Aurora UK Group Ltd provides mechanical and natural smoke systems, including AOVs and car park smoke clearance. Accredited with BAFE and ISO 9001.

• C Cirque Furniture International Ltd London · Concrete works · 1-9 employees

  Cirque Furniture is an industry-leading, independent furniture consultancy and dealership, offering a wide range of services and products to clients a

• D Drakemoor Ltd Maidstone · Refurbishment

  Drakemoor is a Kent based construction building and refurbishment company who specialise in the commercial, education, healthcare and residential sect

• A Alfanar Projects London · Main contractor · 10-49 employees

  Global project developer, engineering construction & technology solutions provider with roots in Saudi Arabia. Delivering high-quality projects on tim

• H High Standard Rope Access Ltd Tadworth · Cladding

  High Standard Rope Access Ltd is a professional abseiling company in London, offering quality and safety in rope access services for residential and c

• G Greenmount Projects Ltd Ashton-In-Makerfield · Design & build · 10-49 employees

  Greenmount Projects delivers expert design, build, and refurbishment services across the UK. Explore our bespoke joinery, furniture, and project solut

• H Hop Interiors Ltd London · Design & build · 10-49 employees

  We are HOP. A client focussed, fresh and agile design and build business specialising in workplace projects.

• S SNUG Homes Bristol · House builder · 1-9 employees

  SNUG Homes creates carbon positive, adaptable, and award-winning homes using quality natural materials and innovative design for a healthier planet an

• S SOS LEAK DETECTION & PREVENTION LIMITED Bedford · Damp proofing

  SOS Leak Detection provides a solution to finding hidden water leaks in the UK within domestic and commercial environments with the minimum of disrupt

• R Roof Integrity Ltd Wigan · Roofing

  Roof Integrity Limited offers independent, professional services for waterproofing systems, including detailed reports and pre-handover certifications

• F First For Space Ltd Hull · Modular & offsite construction · 1-9 employees

  First For Space are manufacturers and suppliers of bespoke modular and portable buildings, offering a full turn-key package with 25 years' experience.

• E Eedn Ltd London · Main contractor · 1-9 employees

  EEDN is a technical advisory and project management consultancy delivering life sciences, data centres and technical real estate from London and Cypru

• J JP McKim Maidenhead · Steel fabrication · 1-9 employees

  JP McKim provides engineering solutions for complex, high-security environments including airports, industrial plants, and live operational facilities

• N Nexus Modular London · Modular & offsite construction

  Nexus Modular provides bespoke light gauge steel (LGS) framing solutions, specialising in unique designs and utilising 3D BIM technology for precision

• F Firefly Welding Ltd Keighley · Steel fabrication

  Firefly Welding Limited provides specialist pipe welding, pipeline welding, and industrial pipefitting services. They are authorised distributors of t

• E Ecoline Developments Ltd Halesowen · Demolition · 10-49 employees

  Ecoline Developments Limited is a multi-skilled organisation operating in the construction sector offering services to a diverse range of clients thro

• B Bensteel Structures Ltd Chester · Steel erection

  Professional steel erection and contract lifting services across the UK construction industry, ensuring compliance and safety in every project.

• A Aei Electrical Services Ltd Stoke-On-Trent · Electrical · 10-49 employees

  AEI Electrical Services Ltd are Nationwide Electrical Engineers & Contractors, based in Stoke-on-Trent covering the surrounding areas and nationwide C

• E Energy Gain Trafford Park · Solar PV

  Award-winning low carbon consultancy specialising in the installation of carbon-reducing renewable assets, with over 17 years of experience in commerc

• A Airedale Lift Services Keighley · Lifts & escalators

  Independent specialist lift services company offering lift and elevator servicing, repairs, installation, removals and modernisation on a sub-contract

• S Seasight Davits UK Ltd Maidstone · Marine & water engineering

  Seasight Davits is a trusted supplier of davit cranes for the offshore wind industry, providing intelligent and customized solutions with a focus on q

• M Meldrum Group Gateshead · Main contractor · 50-249 employees

  Meldrum Group is an Employee Owned Trust offering integrated civil engineering and construction services, from planning and design to facilities manag

• O Oakleigh Contracts Ltd Halesowen · Cladding

  Oakleigh Contracts Ltd: Passive Fire Protection & Rectification Experts. Specialising in cladding, fire stopping, and cavity fire barriers with EWS1 s