Keller Group plc

What Keller Group plc does

Keller Group plc is a UK-headquartered, London Stock Exchange-listed (ticker: KLR) geotechnical solutions contractor that designs and delivers ground engineering works for construction and infrastructure projects worldwide. Founded in 1860 and operating from 2 Kingdom Street, London, the company employs 5,001–10,000 people and self-describes as "the world leader in geotechnical solutions," serving customers across Commercial, Industrial, Infrastructure, Institutional/Public, Power, and Residential end-markets via wholly-owned subsidiaries in North America, Europe, Asia-Pacific, the Middle East and Africa.

The company's core technology portfolio spans five service categories — Ground Improvement (vibro compaction, vibro stone columns, rigid inclusions, soil mixing, Mixed Modulus Columns CMM®, rapid impact compaction), Grouting (jet, permeation, compaction, rock/fissure, polyurethane), Deep Foundations (bored piles, CFA, driven cast in-situ and precast piles, Franki piles, micropiles, helical/screw piles), Earth Retention (diaphragm walls, secant and contiguous pile walls, soil nails, anchors, sheet piles), and Marine Construction (bridges, jetties, wharves) — supplemented by Instrumentation & Monitoring. Proprietary branded techniques including HaloCrete® (jet grouting with in-situ contaminant degradation), Soilcrete®, RemediaClay®, and Textomur reinforced soil structures provide technical differentiation.

Keller generates revenue through project-based, lump-sum and design-build contracts awarded via direct enterprise sales to project owners, general contractors, engineering consultants and government agencies. The sales cycle is long and tender-driven on large infrastructure schemes (e.g., Chevron Wheatstone, Sydney Metro, DC Clean Rivers, London Power Tunnels 2). Pricing is project-specific and not publicly disclosed. Revenue is professional-services in nature and lumpy by deal, with diversification across six vertical segments and multiple geographies intended to smooth cyclicality.

Name

Keller Group plc

Legal name

Keller Group plc

Website

https://keller.com

Company type

Public

Founded year

1860

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Keller Group plc is a London-listed geotechnical solutions contractor that designs and delivers ground improvement, deep foundations, earth retention, grouting and marine construction services for infrastructure, industrial, commercial, residential, power and public-sector projects worldwide.

Ownership category

akta.pro rank

Product category

Geotechnical Construction Services

NAICS

Site Preparation Contractors (23891), Support Activities for Mining (2131)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Geotechnical Design, Engineering & Consulting (Analysis, Design, Peer Review) (IMAFAOAK)

akta.pro secondary industries

Shallow Foundations & Ground Support (Footings, Rafts, Ground Beams) (IMAFAOAB), Slope Stabilization & Landslide Mitigation (Soil Nailing, Shotcrete, Reinforced Slopes) (IMAFAOAI), Geotechnical Instrumentation & Monitoring (Settlement, Inclinometers, Piezometers) (IMAFAOAH), Construction Management & Delivery (EPCM/CMAR/Design-Build Oversight) (EUANALAE)

Keywords

• Geotechnical engineering
• Ground improvement
• Deep foundations
• Earth retention
• Marine construction

Headquarters

HQ city

City Of London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Geotechnical Construction Services: Keller generates revenue through project-based contracts for geotechnical construction services including ground improvement, deep foundations, earth retention, marine works, and specialized techniques. Revenue is earned through lump-sum contracts, design-build contracts, and multi-technique solutions for large infrastructure and construction projects.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Keller Group plc is the world leader in geotechnical solutions, delivering design and build ground engineering services for construction and infrastructure projects. The company executes ground improvement, grouting, deep foundations, earth retention, marine construction, and instrumentation/monitoring techniques through lump-sum and design-build contracts for large infrastructure and building projects globally. Its solutions address bearing capacity, settlement control, slope stabilization, liquefaction mitigation, tunneling support, seepage control, and contaminated ground remediation.

Product overview

Keller Group plc is the world leader in geotechnical solutions, offering a comprehensive portfolio of construction engineering techniques organized into five core service categories: Ground Improvement Techniques (including soil mixing, compaction, and vibro methods), Grouting Services (for stabilization and sealing), Deep Foundations (various pile types), Earth Retention Systems (walls, anchors, and support structures), and Marine Construction. The company also provides specialized services including instrumentation and monitoring, and has developed proprietary techniques such as HaloCrete® for contaminated site remediation and RemediaClay® for environmental cleanup. These techniques are applied across diverse markets including commercial, industrial, infrastructure, institutional, power, and residential sectors, with solutions addressing bearing capacity, liquefaction mitigation, tunnelling, slope stabilisation, and other geotechnical challenges.

Differentiator

Problem solved

Functional benefit

Products and services

• Ground Improvement Techniques A comprehensive suite of ground improvement methods including dry soil mixing, dynamic compaction, earthquake drains, dynamic replacement, mass mixing, Mixed Modulus Columns CMM®, rapid impact compaction (RIC), rigid inclusions, TRD, vibro compaction, vibro concrete columns, vibro stone columns, wet soil mixing, and wick/PVDs/band drains. Sold to construction contractors, infrastructure developers, and project owners requiring soil stabilization and ground reinforcement.
• Grouting Services Specialized grouting solutions including cavity/bulk/mine fill grouting, compaction grouting, compensation/fracture grouting, jet grouting, permeation grouting, injection systems, polyurethane grouting, and rock/fissure grouting. Provided to clients needing ground stabilization, void filling, and seepage control on infrastructure and building projects.
• Deep Foundations Deep foundation solutions including bored piles/drilled shafts, CFA piles (auger cast), canopy/umbrella tubes, driven cast in-situ piles, driven precast piles, ductile iron piles, Franki piles, helical/screw piles, macropiles, and micropiles. Delivered to project owners and contractors needing heavy load-bearing foundation support for buildings, bridges, and industrial facilities.
• Earth Retention Systems Earth retention solutions including anchors, contiguous pile walls, diaphragm walls/barrettes, gabions, king post/soldier piles and lagging walls, micropile slide stabilisation system, SBMA, secant pile walls, sheet piles, shotcrete, slurry cut-off walls, and soil nails. Sold to contractors and developers requiring excavation support and slope stabilization for building and infrastructure projects.
• Marine Construction Marine construction services including bridge construction, jetty construction, wharf construction, and wharf maintenance and repair. Delivered to port authorities, transportation agencies, and marine infrastructure developers.
• Instrumentation and Monitoring Monitoring and instrumentation services for geotechnical projects to track structural performance and ground conditions during and after construction. Provided to project owners, engineers, and contractors on infrastructure and building projects.
• HaloCrete® An innovative remediation process involving adding a chemical reactant to jet grouting slurry mix that strengthens ground with Soilcrete® columns while degrading contaminants in situ. Successfully lowered contamination concentration by a factor of more than 1,000 in projects. Sold to environmental remediation clients and brownfield developers.
• RemediaClay® A remediation technology brought to Europe by Keller, used for environmental cleanup applications on contaminated sites. Sold to environmental remediation clients across European markets.
• Textomur Reinforced Soil Structures Reinforced soil structure system used for slope stabilisation, featuring steel mesh facing cages and geogrid reinforcement installed at angles from 60-70 degrees. Provided to transportation infrastructure and development clients.

Quantifiable outcome

• Keller cuts project carbon emissions by more than 90%
• +1 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Eight partnerships are on record, tiered minor.

• John Holland Seymour Whyte JVminorStrategic or Co-development PartnerJoint venture partnership for Maroochydore to Mons Interchanges project on the Bruce Highway upgrade in Queensland, Australia. Keller Australia collaborated with John Holland Seymour Whyte for this infrastructure project.
• Bechtel Pty LtdminorStrategic or Co-development PartnerKeller worked with Bechtel as main contractor on the Chevron Wheatstone Project, installing over 25,000 driven steel tube piles for the $29 billion project in Western Australia.
• Traylor-Skanska-Jay Dee Joint VentureminorStrategic or Co-development PartnerBencor contracted to design and install reinforced concrete slurry diaphragm wall shafts for DC Clean Rivers Project under this joint venture.
• Hochtief/Murphy JVminorStrategic or Co-development PartnerKeller provided rock fissure grouting services for London Power Tunnels 2 project under partnership with Hochtief/Murphy JV.
• SteirerhausminorStrategic or Co-development PartnerPartnership for Putzerei Plachy remediation project in Graz, Austria using innovative HaloCrete jet grouting technology.
• Bauer SpezialtiefbauminorStrategic or Co-development PartnerJoint venture with Bauer Spezialtiefbau for Jaguar Land Rover production facility ground improvement using vibro compaction, executing over 37,000 columns each.
• Laing O'Rourke John Holland JVminorStrategic or Co-development PartnerKeller provided ground improvement solution on Cooks River section of Sydney Metro project under partnership with Laing O'Rourke John Holland JV.
• NV2A/Haskell Corporation Joint VentureminorStrategic or Co-development PartnerKeller awarded auger cast pile foundation contract for Port Miami Terminal B project working with NV2A/Haskell JV.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Others

• Arup (Geotechnical Practice): Arup is a global engineering consultancy with a major geotechnical practice that designs ground engineering solutions but does not self-perform construction. It is a thematic peer because it both competes (as designer) and partners (as engineer-of-record) with Keller on major projects.

Emerging players

• Hayward Baker (Keller subsidiary, ex-peer): Hayward Baker is Keller's North American geotechnical subsidiary and one of the largest specialty foundation contractors in the US; included here as a comparable because it exemplifies the kind of regional specialist Keller competes against in markets where it does not operate.

Direct peers

• Menard (VINCI): Menard is a VINCI-owned specialist in ground improvement and soil reinforcement (vibro techniques, stone columns, rigid inclusions), directly overlapping with Keller's ground improvement portfolio and serving similar infrastructure, industrial and commercial clients worldwide.
• Trevi Group: Trevi is an Italian specialty foundation engineering contractor offering ground improvement, deep foundations, earth retention, and underground works globally. It competes head-to-head with Keller on infrastructure and energy projects in Europe, the Americas, and APAC.
• Nicholson Construction Company: Nicholson is a US-based geotechnical contractor specializing in deep foundations, earth retention, and ground improvement for infrastructure, transit, water, and energy projects — a direct competitor to Keller North America on diaphragm walls, micropiles, and cut-off structures.
• Balfour Beatty Ground Engineering: Balfour Beatty's Ground Engineering division delivers piling, ground improvement, and earth retention services primarily across the UK and select international markets — a regional but very direct competitor to Keller's UK and European geotechnical operations.
• Soletanche Bachy: Soletanche Bachy is the world-leading geotechnical contractor (subsidiary of VINCI Construction), providing deep foundations, ground improvement, and underground works for major infrastructure. It is one of Keller's closest direct competitors across all five core technique categories.
• Bauer Group: Bauer is a German-headquartered specialist foundation engineering group offering the full range of geotechnical techniques — deep foundations, ground improvement, cut-off walls, and grouting — for infrastructure, commercial and energy projects globally, directly comparable to Keller across core service lines and customer segments.

Broad incumbents

• Skanska (Foundation/Geotechnical operations): Skanska is a major global construction and infrastructure group with internal geotechnical and foundation engineering capabilities. It is not a pure-play specialist but competes with Keller on large infrastructure tenders and sometimes partners via JV (e.g., Sydney Metro).
• Strabag (Special Foundations): Strabag is one of Europe's largest construction groups, with a special foundations division covering piling, ground improvement, and earthworks. Its scale and integrated delivery model make it a broad incumbent competitor for major European and international projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/c/KellerGroup
• LinkedInlinkedin.com/company/keller

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Subsidiaries9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Keller Group plc