Public construction companies in London

1052 companies across London working in the public sector.

• J Jensco Group Radlett · Property developer · 1-9 employees

  Jensco Group specialises in the purchase, funding, planning and delivery of property development projects across the UK, with a proven track record in

• J Jhd Builders Ltd London · Main contractor

  JHD Builders Limited is a building contractor with over 30 years of experience, specialising in maintenance, refurbishment, Venetian plastering, and f

• J Jhd Contractors Ltd Cheshunt · Groundworks

  JHD Contractors Limited provides Groundworks, Demolition and Soft Strip services in London and the South East. They focus on delivering projects to hi

• J JJ Sweeney Romford · Carpentry & joinery · 10-49 employees

  JJ Sweeney: Established 1994, delivering high-quality joinery and fit-out projects across commercial, residential, health, education, leisure and heri

• J Jkskyline Ltd Colindale · Roofing

  JKSkyline is a professional abseiling contractor in London offering external building maintenance and repair services including window cleaning, roof

• J JO POULTON STUDIO London · Painting & decorating

  Jo Poulton Studio: Specialist decorators in London offering gilding, Italian plaster finishes, decorative paint effects, woodgraining, marbling, and m

• J John Desmond Limited Wimbledon · Steel fabrication

  Specialists in interior and exterior architectural metalwork, finishes and coatings. Designers, fabricators and installers of staircases, handrails, b

• J John F Hunt Group Ltd Grays · Demolition

  John F Hunt Group is a leading specialist contractor in construction, demolition, and regeneration, delivering fully integrated engineered solutions a

• J John Laing Dartford · Civil engineering

  John Laing is a leading international investor and active manager of core infrastructure assets, including transportation, energy, utilities, telecomm

• J John Simpson Architects Ltd London · Restoration & heritage · 10-49 employees

  John Simpson Architects is an award-winning practice established in 1980, specialising in classical architecture and urban design for public, educatio

• J Johnson's Glazing Contractors Limited Purfleet · Glazing · 10-49 employees

  Commercial glazing contractors specialising in windows and doors for schools and local authorities in the boroughs of London and Essex.

• J Joju Solar London · Solar PV

  Multi Award-Winning Solar & EV Charging Specialists. Independent experts in solar, battery storage, and EV charging. We've designed and installed thou

• J Jordan James Electrical Essex · Electrical

  Jordan James Electrical provides a comprehensive range of electrical services for domestic, commercial, and industrial clients, including installation

• J Joseph Gallagher Group Orsett · Civil engineering

  Global end to end tunnelling contractors operating above and below ground. Specialist sub-contractors for high-risk tunnelling, underground works and

• J Joseph Gallagher Group Orsett · Civil engineering

  Global end to end tunnelling contractors operating above and below ground. Specialist sub-contractors for high-risk tunnelling, underground works and

• J Joule Group International Ltd London · Fire protection · 10-49 employees

  Joule Group is a leading international consultancy transforming fire safety and its management in the built environment, ensuring safe and sustainable

• J JS Maintenance & Construction Croydon · Refurbishment · 1-9 employees

  JS Maintenance & Construction is a trusted partner for building solutions and maintenance services across the South East of England, specialising in r

• J Julian Paving Ltd Upminster · Groundworks

  Julian Paving Ltd offers a comprehensive range of groundworks, civil engineering, and surfacing services. We specialize in enabling works, excavations

• K K.P. Dodd Construction Ltd London · Extensions

  KP Dodd Construction are specialists in modern construction, committed to maintaining an excellent reputation since 1982. They offer a wide range of b

• K K.P. Fencing Ltd Romford · Fencing

  KP Fencing Ltd in Essex provides a wide range of fencing services for residential, commercial, and industrial clients, with over 40 years of experienc

• K Kajima Partnerships Ltd London · Property developer

  Kajima Partnerships specialises in creating partnership opportunities and social value, delivering real assets that generate sustainable, long-term so

• K Kam Surveys Ltd London · M&E contracting

  Bringing engineering and data analysis expertise together, providing clients accurate outputs for their built environments.

• K Kbv London Ltd Barnet · Waterproofing

  KBV London Ltd specialises in high-performance liquid waterproofing systems for roofs, walkways, gutters, and complex details. Founded in 2013, they s

• K Kd Brickwork (UK) Ltd London · Bricklaying

  KD Brickwork (UK) Ltd is a leading contractor providing expertise in the Brickwork sector and delivering workmanship for every construction project. S

• K Keigen London · Plumbing

  Keigen helps teams verify which traffic, growth, campaign outcomes, rewards, and AI-agent actions deserve trust before commercial action.

• K KEILOCK SOUTH LIMITED Sutton · Refurbishment

  Keilock South provides property services across Greater London, specialising in investigation, testing, repair, maintenance, refurbishment, and fit-ou

• K Kerb Appeal London · Traffic management

  Manufacturer of bespoke street furniture & traffic management solutions. Suppliers & Manufacturers of security bollards, bike shelters, bin stores & m

• K Kilhan Construction Ltd London · Groundworks · 50-249 employees

  Kilhan Construction provides a range of construction services, from the smallest jobs to the most demanding projects, we suit our approach to your nee

• K Kilnbridge Structural Services Ltd London · Main contractor

  Kilnbridge is the UK's leading structures specialist, known for delivering complex and iconic construction and infrastructure projects across the UK.

• K Kinetic Construction Services Epsom · Fit-out & interiors

  High-end commercial and industrial fit-outs and refurbishments across London and the home counties. Over 40 years of experience.

• K Kings Boiler Hire Essex · Heating & ventilation

  Kings Boiler Hire offer the UK's widest choice in industrial steam boiler hire, hot water boiler hire and tank hire on short or long-term rental for p

• K Kings Boiler Hire Nazeing · Heating & ventilation

  Kings Boiler Hire offers UK-wide industrial steam and hot water boiler hire, plus tank hire. They also sell a wide range of boilers, spares, and chimn

• K Kipo Ltd Croydon · M&E contracting

  MEP Consulting Engineers offering specialist design services, building services design checks, power system studies, power failure recovery, sustainab

• K Kirkman And Jourdain Ltd Essex · Refurbishment · 50-249 employees

  Established in 1983, Kirkman & Jourdain Ltd is a construction company covering London and the South East of England. They offer a wide range of servic

• K Kk Fire Ltd London · Fire protection · 1-9 employees

  KK Fire Limited is a trusted company specialising in the supply of skilled operatives to the Fire Protection Industry in the UK. Committed to quality

• K Klh UK Ltd London · Timber frame

  KLH UK Limited specialises in timber frame and design & build projects, delivering high-quality construction solutions across the UK.

• K Korr Construction Ltd Chislehurst · Refurbishment · 1-9 employees

  Korr Construction is a family-owned business with over 20 years of experience in construction, serving local authorities, public bodies, and private o

• K Kovoschmidt London · Heating & ventilation

  Kovoschmidt Ltd provides comfortable heated seats for existing church pews, offering an effective, economical, and ecological heating solution.

• K KRM London · Security systems · 1-9 employees

  KRM offers expert security solutions including security doors, CCTV, gates, and maintenance services. Trust our professional team for reliable securit

• K Kudos Construction Services Ltd London · Cladding

  Kudos Construction is an experienced and specialist Contractor delivering internal and external projects with a commitment to excellence.

• K Kyro Fire Protection Ltd London · Fire protection

  Kyro Fire Protection offers comprehensive passive fire protection solutions, including fire stopping, intumescent coatings, fire doors, cavity barrier

• K Kyson&Co London · Design & build · 1-9 employees

  Kyson & Co is an award-winning architectural practice established in 2006, working across residential, commercial and hospitality projects throughout

• L Labourtek Ltd London · Groundworks

  Labourtek Ltd provides skilled general labourers, loading gangs, and after-builders cleaning services. We pride ourselves on a professional, trained t

• L Ladon Flooring Ltd Upminster · Flooring

  Ladon Flooring Ltd are commercial flooring specialists and hygienic wall cladding installers in London and the South East. Over 20 years experience.

• L Landworth Electrics Ltd Hertfordshire · Electrical · 10-49 employees

  Landworth Electrics specialises in complete electrical installations for offices, commercial, public buildings, healthcare, education, and leisure sec

• L Lane & Frankham Ltd Sidcup · Design & build · 10-49 employees

  Frankham Group is a multidisciplinary built environment consultancy providing integrated compliance, surveying, engineering, and design services. Top

• L Lanigan High Or Low Services Ltd Teddington · Bricklaying

  Lanigan Ryan is a leading accounting and advisory firm providing comprehensive financial solutions to businesses and individuals.

• L Lawday Civil Engineering Ltd Gravesend · Civil engineering · 1-9 employees

  Lawday Civil Engineering: Building excellence first time right, with quality, precision, and customer satisfaction at heart.

• L LCE Consultancy London · Traffic management

  LCE Consultancy is a multidisciplinary organisation operating in the UK and Middle East, providing technical value and innovative solutions in urban d

• L Ldd Construction Ltd Woodford Green · Demolition · 50-249 employees

  LDD Construction Limited offers multidiscipline expertise and innovative methods for a wide range of projects in London and the South East, with over