Clancy Group
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.
- Company typePrivate
- Founded1958
- HeadquartersHarefield, United Kingdom
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
Clancy Group firmographics
Firmographics- 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
Clancy Group industry classification
Industry- 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
Where Clancy Group is headquartered
LocationHeadquarters
- HQ city
- Harefield
- HQ country
- United Kingdom
- HQ region
- Europe
Offices4 records
Markets served
Clancy Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Technology or R&D, Marketing or Sales, Supply Chain
Revenue model
- 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.
- Capital Projects: Major civil engineering and infrastructure projects including substations, tunnels, HS2 works, and nuclear power station connections. Revenue recognition upon project completion.
- Developer Services: Water and energy connection services for housing developers including new mains installation and metering for new developments.
- Plant and Equipment Hire: Hire of specialist plant, vehicles, and equipment including suction excavators, with over 10,000 assets in fleet.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Large-scale infrastructure contracts |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels4 records
Clancy Group product offering
Product offeringCore 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
Companies that use Clancy Group
Customer profileNamed customers16 records
Segments5 records
Ideal customer profiles5 records
Clancy Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Clancy Group partnerships and signals
Strategic signalPartnerships
18 partnerships are on record, tiered core and minor.
- Southern Watercore£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 DistributioncoreClancy 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)coreJoint 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 WatercoreLong-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 WatercoreCapital 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 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 NetworkscoreED1SON 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 Powergridcore4-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 WatercoreCapital Delivery Programme tier 1 framework partner for water infrastructure delivery in south west England during AMP8 regulatory period.
- South East WatercoreFramework 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)coreGas mains and service replacement programme in Hampshire. Contract part of SGN's network renewal efforts.
- Sizewell CcoreDesign 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 WatercoreSmart meter roll-out contract delivering water efficiency improvements for the water company's customer base.
- ArqivacorePartnership to deliver end-to-end smart water metering programmes. Combines Arqiva's communications infrastructure expertise with Clancy's field delivery capabilities.
- Mellon EducateminorCharitable 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 WBCSDcoreFounding 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)coreJoint venture partner for HS2 utilities diversion framework providing specialist utility installation capabilities.
- SES WaterminorWater utility partnership for network services in south east England region.
Scale indicators13 records
Recent moves10 records
Expansion highlights6 records
Clancy Group competitors and assessment
Company assessmentDirect 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
Clancy Group social profiles
Digital presenceClancy Group compliance and trust
Trust signalCompliance26 records
Clancy Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Clancy Group leadership team
Management profileNumber of profiles
Profiles14 records
Clancy Group subsidiaries and ownership
Company hierarchySubsidiaries6 records
Clancy Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Clancy Group M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Clancy Group
What does Clancy Group do?
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.
Is Clancy Group a public or private company?
Clancy Group is a private company. It is classified as family owned and is currently operating.
When was Clancy Group founded?
Clancy Group was founded in 1958. It employs 1,001 to 5,000 people.
Where is Clancy Group based?
Clancy Group is headquartered in Harefield, United Kingdom, in the Europe region.
How does Clancy Group make money?
Four revenue lines are on record. Framework Contracts are the primary driver. The others are capital Projects, developer Services and plant and Equipment Hire.
Who are Clancy Group's main competitors?
Direct peers on record are Kier Group, M Group Services (formerly Morrison Utility Services), Costain Group, Barhale, JN Bentley, J. Murphy & Sons and MWH Treatment (Stantec). Broad incumbents are Balfour Beatty, Skanska UK and Amey.
Does Clancy Group have an API?
No public API is recorded for Clancy Group.
What industry is Clancy Group in?
Clancy Group's product category is Infrastructure Construction Services. Its primary akta.pro industry code is EUANAAAK, Capital Delivery, Asset Management & Renewal Programs (Pipes, Plants, Pumps), with a secondary code of EUANALAE, Construction Management & Delivery (EPCM/CMAR/Design-Build Oversight). Its NAICS code is 23711 and its SIC code is 1623.