Keltbray
- Company typePrivate
- Founded1976
- HeadquartersEsher, United Kingdom
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
Keltbray firmographics
Firmographics- Name
- Keltbray
- Legal name
- Keltbray Group Limited
- Website
- https://keltbray.com
- Company type
- Private
- Founded year
- 1976
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Ownership category
- akta.pro rank
Keltbray industry classification
Industry- Product category
- Construction Engineering Services
- NAICS
- Heavy and Civil Engineering Construction (237), Power and Communication Line and Related Structures Construction (237130), Architectural, Engineering, and Related Services (5413), Water and Sewer Line and Related Structures Construction (237110)
- SIC
- Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623), General Bldg Contractors - Nonresidential Bldgs (1540)
- akta.pro primary industry
- Geotechnical Design, Engineering & Consulting (Analysis, Design, Peer Review) (IMAFAOAK)
- akta.pro secondary industries
- Rock Excavation, Blasting & Quarry-Assist Works (IMAFAKAE), Tunneling & Underground Geotechnics (Ground Treatment, Support, NATM/SEM Interfaces) (IMAFAOAJ)
Keywords
Where Keltbray is headquartered
LocationHeadquarters
- HQ city
- Esher
- HQ country
- United Kingdom
- HQ region
- Europe
Offices6 records
Markets served
Keltbray business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Construction and Engineering Services: Project-based revenue from delivering specialist engineering and construction services including demolition, piling, concrete works, asbestos removal, remediation, temporary works, and rail infrastructure. Revenue generated through fixed-price contracts and collaborative arrangements with developers, main contractors, and government agencies.
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Keltbray product offering
Product offeringCore offering
Keltbray is a UK specialist construction engineering solutions provider that self-delivers demolition, piling and ground engineering, structural concrete works, asbestos removal, brownfield remediation, temporary works design, rail infrastructure, energy distribution and transmission, and decommissioning services. Through its in-house design consultancy (Wentworth House Partnership) and proprietary low-carbon foundation technology (HIPER Pile/Hiperpile), it serves developers, main contractors and government agencies on complex urban and highly regulated projects.
Product overview
Keltbray is a UK-based specialist construction engineering solutions provider operating across built environment and major civil engineering markets. The company offers an integrated self-delivery model combining multiple specialist services including demolition, piling, structures, asbestos removal, remediation, rail services, and energy infrastructure. Key sub-brands include Wentworth House Partnership (design engineering consultancy), KML Occupational Health, Konstructive Recruitment, and Hiperpile (low-carbon foundation technology). The portfolio also includes specialised divisions for lifting services, decommissioning, environmental services, and concrete plant operations.
Differentiator
Problem solved
Functional benefit
Brands
- Wentworth House Partnership: Design engineering consultancy providing advice, innovative design and checking services for major civil engineering and infrastructure projects
- Hiperpile
- Hiperenergy
- KML Occupational Health
- Konstructive Recruitment
- Keltbray Built Environment
- Promote Health, Prevent Harm
Products and services
- Demolition & Remodelling
- Piling & Ground Engineering
- Structures
- Asbestos Removal
- Environmental & Remediation
- Rail Services
- Energy Services
- Decommissioning
- Lifting Services
- Concrete Plant & Plant Hire
- Haulage
- Hiperpile Low-Carbon Foundation Technology
Quantifiable outcome
- Reduced concrete volume by 41% using HIPER Pile technology compared with conventional solid pile scheme
- +7 more outcomes
Companies that use Keltbray
Customer profileNamed customers10 records
Segments5 records
Ideal customer profiles4 records
Keltbray technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature5 records
Keltbray partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered strategic, core and minor.
- NSCC InternationalstrategicHiperpile Limited (Keltbray subsidiary) partnership with UAE-based NSCC International for marketing, design and installation of Hiperpile technologies across the GCC region. The partnership brings Hiperpile's low-carbon foundation technology with NSCC's regional expertise, operational capability and delivery experience. NSCC is at the forefront of foundation and ground engineering in GCC since late 1960s, with portfolio including NEOM's THE LINE, Zayed International Airport, and Qatar National Museum.
- MultiversecoreKeltbray launched an AI and data training academy in partnership with upskilling provider Multiverse. Initial cohort of 25 staff enrolled on courses covering generative AI productivity and data analysis. Programmes split between AI Powered Productivity and Data & Insights for Business Decisions, designed to build digital skills for work in regulated infrastructure and engineering markets. Expected to reduce time spent on repetitive manual work, improve internal analysis and reporting.
- Converge (Helix)coreKeltbray adopted Converge's system at Western Yards project to accurately measure concrete strength 10-15 hours after pouring, enabling timely initial stressing of PT slabs and maintaining tight project schedule. Technology provides improved site safety, reduced labour downtime, and cost savings by eliminating laboratory test cube report wait times.
- Saint-GobaincoreClosed-loop glass recycling partnership with Saint-Gobain at 100 New Bridge Street and 1 Victoria Street projects. Glass from demolition is recycled and transformed into new high-quality glass products, enabling continuous recycling without quality degradation. Over 30 tonnes of glass recycled at 100 New Bridge Street, over 110 tonnes at 1 Victoria Street.
- GlobechainminorOnline reuse marketplace partnership to re-home materials from 1 Victoria Street project. Identifies network of end users and helps track end impact from social and carbon perspective. Over 50,000 items donated including carpet tiles, lighting, furniture, hand dryers, kitchen cabinets, and doors. Benefits included Wipers Empowerment for Youth, The Margate School, and other charities.
- Costain and Skanska Joint Venture (CSjv)minorKeltbray worked as specialist subcontractor for HS2's enabling works contractor, a Costain and Skanska joint venture. Undertook structural demolition of Vezey-Strong Wing and Link Bridge, and DB Cargo Sheds for new HS2 approach tunnels.
Scale indicators10 records
Recent moves7 records
Expansion highlights6 records
Keltbray competitors and assessment
Company assessmentDirect peers
- Costain Group: UK heavy-civil and infrastructure contractor active in rail enabling works, highways and energy — Keltbray is a specialist subcontractor to Costain/Skanska JV on HS2 enabling works, putting the two firms in collaborative competition on UK infrastructure programmes.
- Laing O'Rourke: UK-headquartered specialist engineering and construction group delivering piling, structures, rail and major infrastructure — directly comparable to Keltbray's integrated self-delivery model. Tony Douglas, Keltbray's Non-Executive Chairman, was previously COO of Laing O'Rourke, underscoring the operational overlap.
- Erith Group: London-based specialist contractor focused on demolition, asbestos removal, remediation and groundworks — a close functional peer to Keltbray's Built Environment division with overlapping contractor clients including major City of London developers.
- VolkerWessels UK (Volker Fitzpatrick): UK rail civils and structural specialist operating on rail electrification, station builds and complex piling. Directly comparable to Keltbray Rail and Keltbray Structures activities on Network Rail and HS2-aligned work.
- John F Hunt: UK specialist demolition, piling, asbestos removal and remediation contractor — Keltbray's Pre-Construction Director Martin Hinde progressed to Director at John F Hunt before joining Keltbray. Closest pure-play demographic in demolition and enabling works.
- Mace Group: UK construction and consultancy group with major rail and commercial-development franchises. Joint-venture partner with Keltbray on HS2 Curzon Street, exactly mirroring Keltbray's specialisms in demolition, piling and structures for complex central-London schemes.
Broad incumbents
- BAM Construct UK: Major UK contractor with capabilities across commercial building, civil engineering and facilities management. Overlaps with Keltbray's commercial-property demolition, enabling works and concrete-structures delivery for developer clients.
- Balfour Beatty: UK-listed infrastructure group covering rail, highways, energy transmission and major construction. Overlaps directly with Keltbray's rail, energy distribution & transmission, and piling activities, but at significantly greater scale and with public-market capital access.
- Skanska UK: Global contractor with substantial UK rail and civils operations; JV partner with Costain on HS2 enabling works where Keltbray operates as specialist subcontractor. Comparable on infrastructure programmes though far larger and more diversified geographically.
- Sir Robert McAlpine: Privately held UK contractor with strong heritage in piling, ground engineering and complex city-centre builds — competitor to Keltbray for major developer and infrastructure clients, including on rail and energy infrastructure adjacencies.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Keltbray social profiles
Digital presenceKeltbray compliance and trust
Trust signalCompliance14 records
Keltbray financial estimates
Financial estimateRevenue estimate
Valuation estimate
Keltbray leadership team
Management profileNumber of profiles
Profiles16 records
Keltbray subsidiaries and ownership
Company hierarchySubsidiaries18 records
Keltbray funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Keltbray M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Keltbray
What does Keltbray do?
Keltbray is a UK specialist construction engineering solutions provider that self-delivers demolition, piling and ground engineering, structural concrete works, asbestos removal, brownfield remediation, temporary works design, rail infrastructure, energy distribution and transmission, and decommissioning services. Through its in-house design consultancy (Wentworth House Partnership) and proprietary low-carbon foundation technology (HIPER Pile/Hiperpile), it serves developers, main contractors and government agencies on complex urban and highly regulated projects.
Is Keltbray a public or private company?
Keltbray is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Keltbray founded?
Keltbray was founded in 1976. It employs 1,001 to 5,000 people.
Where is Keltbray based?
Keltbray is headquartered in Esher, United Kingdom, in the Europe region.
How does Keltbray make money?
One revenue line is on record: construction and Engineering Services.
Who are Keltbray's main competitors?
Direct peers on record are Costain Group, Laing O'Rourke, Erith Group, VolkerWessels UK (Volker Fitzpatrick), John F Hunt and Mace Group. Broad incumbents are BAM Construct UK, Balfour Beatty, Skanska UK and Sir Robert McAlpine.
Does Keltbray have an API?
No public API is recorded for Keltbray.
What industry is Keltbray in?
Keltbray's product category is Construction Engineering Services. Its primary akta.pro industry code is IMAFAOAK, Geotechnical Design, Engineering & Consulting (Analysis, Design, Peer Review), with a secondary code of IMAFAKAE, Rock Excavation, Blasting & Quarry-Assist Works. Its NAICS code is 237 and its SIC code is 1600.