Clancy Group

Name

Clancy Group

Legal name

The Clancy Group Limited

Website

https://theclancygroup.co.uk

Company type

Private

Founded year

1958

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Clancy Group is a privately owned UK infrastructure contractor delivering water, wastewater, energy and civil engineering services to major utilities and infrastructure programmes through long-term framework contracts and direct delivery.

Ownership category

akta.pro rank

Product category

Infrastructure Construction Services

NAICS

Water and Sewer Line and Related Structures Construction (23711), Utility System Construction (2371), Other Heavy and Civil Engineering Construction (237990)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Capital Delivery, Asset Management & Renewal Programs (Pipes, Plants, Pumps) (EUANAAAK)

akta.pro secondary industry

Construction Management & Delivery (EPCM/CMAR/Design-Build Oversight) (EUANALAE)

Keywords

• Infrastructure construction services
• Water utility contracting
• Energy network services
• Civil engineering contractor
• Traffic management solutions

Headquarters

HQ city

Harefield

HQ country

United Kingdom

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Framework Contracts: Long-term regulated utility frameworks with water companies (AMP8) and energy network operators (RIIO-ED2) providing predictable revenue streams across maintenance, repair, and capital delivery programmes.
2. Capital Projects: Major civil engineering and infrastructure projects including substations, tunnels, HS2 works, and nuclear power station connections. Revenue recognition upon project completion.
3. Developer Services: Water and energy connection services for housing developers including new mains installation and metering for new developments.
4. Plant and Equipment Hire: Hire of specialist plant, vehicles, and equipment including suction excavators, with over 10,000 assets in fleet.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels4 records

Core offering

Clancy Group is a UK infrastructure contractor delivering water, wastewater, energy and telecoms projects for major utility companies, alongside civil engineering, traffic management, and plant hire services. The company operates as a specialist contractor under long-term framework agreements and joint ventures with regulated utilities, DNOs, and major infrastructure programmes such as HS2 and Sizewell C. Services span emergency response, planned maintenance, capital delivery, smart metering, leak detection, and trenchless pipeline rehabilitation.

Product overview

The Clancy Group is one of the UK's largest privately owned infrastructure services companies, founded in 1958. The company operates a multi-service model offering Utilities Services (water, wastewater, energy, telecoms), Civil Engineering, Clancy Traffic Management (CTM), and Clancy Plant. Under Utilities, sub-services include Water Services (mains laying, metering, leak detection), Wastewater Services (trenchless repairs, CIPP lining, drainage surveys), and Energy Services (cable installation up to 132kV, substation design/build). The Traffic Management division provides Variable Message Signs and Traffic Project Management. Clancy Plant provides equipment hire with over 2,500 vans and 10,000+ assets. Additional services include an Energy Technical Training Centre and Sustainability Services. The company serves major clients including Thames Water, Scottish Water, Southern Water, UK Power Networks, SSEN, and operates on major frameworks such as HS2 and Sizewell C.

Differentiator

Problem solved

Functional benefit

Brands

• Clancy Traffic Management (CTM): Provides complete Traffic Management solutions including high and low speed traffic management, VMS signs, and complete traffic project management nationwide.
• Clancy Plant
• Clancy Docwra
• Multi Utility

Products and services

• Utilities Services Delivers water, wastewater, energy and telecoms projects for major clients including water companies and energy networks. Services range from emergency response to planned maintenance and capital projects under long-term framework agreements.
• Civil Engineering Provides specialist design and construct, integrated consulting and project delivery, multi utility infrastructure services, and engineering solutions for roads, rail, bridges, tunnels, and other major infrastructure programmes.
• Clancy Traffic Management (CTM) Provides complete temporary traffic management solutions including high and low speed traffic management, Variable Message Signs, and complete traffic project management with 24/7 nationwide coverage.
• Clancy Plant Provides an extensive fleet of plant and equipment including over 2,500 vans and 10,000 total assets, offering specialised tooling, transport and body shop services, and specialist safety services to internal projects and third parties.
• Water Services Water-related works including mains laying, repair and maintenance, metering, smart metering, leak detection, and water testing services for major UK water companies.
• Wastewater Services Wastewater infrastructure services including trenchless technology repairs (CIPP linings with LED and UV curing), sewer and surface water civils, drainage surveys, jetting and vacuumation, and ground penetrating radar.
• Energy Services Major power infrastructure services including cable installation and jointing up to 132,000 volts, primary substation design and build, tunnel design and construct, and electrical installation and commissioning. NERS accredited.

Quantifiable outcome

• Delivered £430m revenue with £28m pre-tax profit in 2024-25, up from £378.5m and £20.9m respectively
• +3 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

18 partnerships are on record, tiered core and minor.

• Southern WatercoreStrategic or Co-development Partner · 1 October 2025£250m water services contract for AMP8 regulatory period (2025-2030). Clancy delivers both reactive and planned work including emergency response, leakage reduction, network reinforcements, meter installations, and capital projects for new housing connections. Focus on performance improvements and sustainable solutions.
• SSEN DistributioncoreStrategic or Co-development PartnerClancy appointed to £450m large capital delivery framework for network strengthening across Argyll, West and Perthshire & Tayside in Scotland. Work includes design and build of new substations, cable replacement, overhead line projects, and network asset upgrades. Represents significant investment from SSEN to increase grid resilience during RIIO-ED2 period.
• EKFB (Eiffage, Kier, Ferrovial, Balfour Beatty)coreStrategic or Co-development PartnerJoint venture伙伴 for HS2 phase one delivery between Old Oak Common and Birmingham. Clancy operates as specialist contractor providing utilities diversion, civil engineering, and concrete works for the major infrastructure programme.
• Thames WatercoreStrategic or Co-development PartnerLong-standing partnership delivering water and wastewater infrastructure across London. Clancy has worked on multiple frameworks and direct contracts including trunk main installations, station yard diversions, and emergency response. Won Infrastructure Delivery Award at Utility Week Awards 2025 for Thames Water project.
• Scottish WatercoreStrategic or Co-development PartnerCapital Delivery Partner providing wastewater repairs, storm sewer response, and Lot 1 maintenance/repair framework covering both water and wastewater networks in Scotland. Long-standing relationship with multiple contract wins.
• Anglian WatercoreStrategic or Co-development PartnerStrategic alliance partnership for AMP8 investment delivery. Clancy, together with Kier, announced new alliance to deliver water infrastructure works. Also received Anglian Water Supplier of the Year award.
• UK Power NetworkscoreStrategic or Co-development PartnerED1SON Capital Delivery Alliance partner for substation construction, cable installation, and power network upgrades. Clancy has delivered multiple high-profile projects including Battersea Cable Tunnel (won Infrastructure Project of the Year), Ebbsfleet Grid Substation, and Leicester Square works.
• Northern PowergridcoreStrategic or Co-development Partner4-year contract supporting smart metering and EV charge point infrastructure. Multiskilled teams enable single-visit connections reducing disruption and enabling faster rollout for household decarbonisation.
• South West WatercoreStrategic or Co-development PartnerCapital Delivery Programme tier 1 framework partner for water infrastructure delivery in south west England during AMP8 regulatory period.
• South East WatercoreStrategic or Co-development PartnerFramework partner for water main installation and smart metering programmes. Projects include 11km new water main in Fleet using HDD and open-cut techniques.
• SGN (Southern Gas Networks)coreStrategic or Co-development PartnerGas mains and service replacement programme in Hampshire. Contract part of SGN's network renewal efforts.
• Sizewell CcoreStrategic or Co-development PartnerDesign and Build partner for Old Abbey 132kV Substation powering construction of Sizewell C nuclear power station. Scope includes substation design, 132kV cabling from National Grid's Leiston Substation, and seamless integration with National Grid and Sizewell C design teams.
• Affinity WatercoreStrategic or Co-development PartnerSmart meter roll-out contract delivering water efficiency improvements for the water company's customer base.
• ArqivacoreTechnology or IntegrationPartnership to deliver end-to-end smart water metering programmes. Combines Arqiva's communications infrastructure expertise with Clancy's field delivery capabilities.
• Mellon EducateminorOthersCharitable partnership supporting education infrastructure in South Africa. Clancy volunteers participate in Building Blitz initiatives constructing and renovating schools in disadvantaged townships. Supported by Clancy Foundation.
• The Climate Group and WBCSDcoreStrategic or Co-development PartnerFounding signatory of Concrete Zero initiative, supporting transition to lower-carbon concrete and increased use of lower-carbon default mixes across projects. Supports net zero commitments.
• SCS (Skanska, Costain, STRABAG)coreStrategic or Co-development PartnerJoint venture partner for HS2 utilities diversion framework providing specialist utility installation capabilities.
• SES WaterminorStrategic or Co-development PartnerWater utility partnership for network services in south east England region.

Scale indicators13 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• Kier Group: UK infrastructure services group delivering water, highways, and utilities work. Kier is an established Anglian Water alliance partner (same as Clancy) and directly competes for AMP framework positions across the UK water sector.
• M Group Services (formerly Morrison Utility Services): Major UK utility infrastructure contractor providing water, gas, electricity, and telecom network services. Directly competes with Clancy across water AMP frameworks and energy DNO contracts with comparable direct-delivery model.
• Costain Group: UK infrastructure contractor with major water, energy, and transport exposure. Competes head-to-head on AMP frameworks, HS2 (SCS JV partner), and nuclear infrastructure programmes alongside Clancy.
• Barhale: Privately held UK civil engineering and infrastructure specialist focused on water, utilities, and tunnelling. Directly comparable in scale, ownership structure (private), and core water/wastewater service offering.
• JN Bentley: UK water and civil engineering contractor operating as part of the MMB joint venture with Mott MacDonald and Bam. Direct competitor on water AMP frameworks and AMP8 alliances with similar self-delivery approach.
• J. Murphy & Sons: Privately held UK infrastructure contractor delivering water, utilities, rail, and civils work. Comparable in family/private ownership and AMP framework participation; competes on similar contract sizes and delivery scope.
• MWH Treatment (Stantec): Water infrastructure specialist acquired by Stantec, delivering treatment works, pipeline, and AMP programmes. Directly comparable service offering in the regulated UK water market and competing on similar framework sizes.

Broad incumbents

• Balfour Beatty: Major UK-listed infrastructure group and HS2 EKFB joint venture partner. Competes with Clancy on water frameworks and major programmes but operates a far broader portfolio including rail, highways, and US construction.
• Skanska UK: UK arm of Swedish infrastructure group and HS2 SCS joint venture partner. Overlaps with Clancy on civil engineering and major programme work but operates with significantly broader geographic and segment footprint.
• Amey: UK infrastructure services provider within Ferrovial group, with significant water, highways, and rail exposure. Competes with Clancy for utility framework contracts but operates across a broader services portfolio including consulting.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/clancy_group
• LinkedInlinkedin.com/company/clancygroup

Compliance26 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Subsidiaries6 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 Clancy Group