What AmcoGiffen does

AmcoGiffen is a UK-based multi-disciplinary engineering, construction and maintenance contractor operating across the rail, energy, environmental and infrastructure sectors. The business is the trading name of Amalgamated Construction Ltd (registered in England, company number 995892) and is a wholly owned subsidiary of Renew Holdings plc, a London-listed engineering group. Core service lines include civil, structural, mechanical and electrical engineering; signalling and telecoms; design; fabrication; project delivery; 24-hour maintenance; and specialist capabilities in highway and aviation infrastructure. The company is headquartered in Barnsley with a registered office in Leeds, and operates from 25 offices and depots across the UK with a workforce of 1,300+ employees, more than half of whom are multi-skilled operatives.

The business generates revenue through long-term, project-based contracts won predominantly via competitive tendering with public-sector infrastructure clients, principally Network Rail, ScotRail and the Environment Agency. Confirmed recent contract awards include a £144 million share of the East Kilbride line electrification consortium, a £23 million Severn Tunnel overhead line equipment upgrade, and a £10.1 million Magna tram-train station construction project. The commercial model is B2B professional services delivery on frameworks, with pricing not publicly disclosed. There are no AI/ML, software-as-a-service, or consumer products in the offering; the most recent technology-related release is an in-house workforce Safety App launched in August 2025. AmcoGiffen is privately held under the Renew Holdings plc umbrella and does not have an independent listing, public ticker or disclosed revenue figure.

Name

AmcoGiffen

Legal name

Amalgamated Construction Ltd

Website

https://amcogiffen.co.uk

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

251–500 employees

Ownership category

akta.pro rank

Product category

Rail Engineering and Infrastructure Services

NAICS

Engineering Services (541330)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industry

Road & Tunnel Operations/Construction Interfaces (Tolling Infrastructure, Ventilation/Fire-Life-Safety Civil Works) (IMAFAEAL)

Keywords

• Rail engineering services
• Civil infrastructure construction
• Mechanical electrical services
• Signalling telecoms design
• Asset maintenance contracting

Headquarters

HQ city

Barnsley

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain

Revenue model

1. Project-based engineering and construction contracts: AmcoGiffen generates revenue through long-term contracts with rail, energy and environmental sector clients for design, construction, maintenance and refurbishment of critical infrastructure assets. The company operates as a specialist contractor on major projects including electrification works, bridge construction, tunnel upgrades and station developments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

AmcoGiffen is a multi-disciplinary engineering, construction and maintenance contractor delivering design, planning, consultancy, build, renewal and 24-hour maintenance services for critical infrastructure assets across the rail, energy, environmental and broader transport sectors in the UK. The company operates as a specialist contractor on project-based contracts, with in-house capabilities spanning civil, structural, mechanical, electrical, signalling, telecommunications and fabrication work.

Product overview

AmcoGiffen is a multi-disciplinary engineering, construction and maintenance services company offering services across rail, energy, environmental, and infrastructure sectors. The company provides integrated services from design through to delivery and maintenance, with in-house capabilities including Design, Fabrication Workshop, Engineering, Mechanical & Electrical, Signalling & Telecoms, Highway Services, Aviation Services, and 24-hour Maintenance. Their portfolio includes specific projects such as Thameslink Platform Level Access, Severn Tunnel OLE electrification, ECML Power Upgrades, Boulby Mine shaft repairs, and MEICA frameworks. The company operates with 1,300+ employees across 25 offices and depots nationwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Rail Sector Services
• Energy Sector Services Engineering services for the UK energy industry, including work on nuclear assets and renewable energy infrastructure for energy sector clients.
• Environmental Sector Services Partnership-based delivery with the Environment Agency providing civil engineering, MEICA (mechanical, electrical, instrumentation, control and automation) and electrical services for environmental infrastructure.
• Infrastructure Sector Services Infrastructure engineering, construction and maintenance services across multiple transport sector modes, including highways and aviation.

Named customers2 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Seven partnerships are on record, tiered core.

• Network RailcoreStrategic or Co-development Partner · 8 December 2025Network Rail is the primary client and project partner for rail infrastructure projects. AmcoGiffen works as a contractor partner delivering rail network upgrades, electrification projects, and bridge works under Network Rail frameworks.
• SPL PowerlinescoreTechnology or IntegrationContractor partner on the £144m East Kilbride line electrification project, responsible for overhead line installation works alongside AmcoGiffen.
• StorycoreTechnology or IntegrationContractor partner on the East Kilbride line electrification project, contributing to infrastructure delivery alongside AmcoGiffen.
• QTScoreTechnology or IntegrationContractor partner on the East Kilbride line electrification project, providing specialist services as part of the delivery consortium.
• Rail Systems Alliance ScotlandcoreTechnology or IntegrationAlliance partner on the Scottish electrification project combining multiple contractors and specialists under a collaborative delivery model.
• SiemenscoreTechnology or IntegrationTechnology partner on the East Kilbride line electrification project, providing systems and equipment for the electrified railway.
• Environment AgencycoreStrategic or Co-development PartnerLong-term partnership delivering civil engineering, MEICA and electrical services for environmental infrastructure projects.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Kier Group: UK infrastructure and construction group with rail, highways and utilities exposure. Broader incumbent offering overlapping capabilities through Kier Highways and Kier Transportation.
• Babcock International (Rail): Large UK defence and infrastructure group with a significant rail services division delivering track, signalling and electrification. Broader incumbent with overlapping capabilities but a wider portfolio than AmcoGiffen's rail-and-civil focus.
• Balfour Beatty: Tier-1 UK infrastructure group operating across rail, highways, utilities and energy with rail electrification and civils capabilities. Larger, broader competitor frequently bidding in the same competitive tendering market.
• Costain Group: UK infrastructure contractor delivering transport, water and energy projects including rail and highways. Comparable in MEICA-heavy, asset-renewal work but with a wider portfolio.
• Morgan Sindall: UK construction and infrastructure group with a rail and infrastructure division serving Network Rail and TfL. Broader incumbent that competes for similar mid- to large-cap rail frameworks.

Direct peers

• Story Contracting: UK infrastructure and rail contractor delivering civil engineering, rail, energy and environmental projects, including multi-party electrification frameworks. Direct peer given shared sector exposure and consortium-style delivery.
• QTS Group: UK rail contractor providing civils, overhead line equipment, vegetation management and training to Network Rail. Direct peer overlapping on East Kilbride electrification and other OLE programmes.
• VolkerRail: UK specialist rail infrastructure contractor delivering rail construction, maintenance, electrification and signalling services for Network Rail and other clients. Closely comparable multi-disciplinary rail delivery model to AmcoGiffen.
• SPL Powerlines: European electrification specialist (overhead line equipment) partnering with AmcoGiffen on East Kilbride. Highly comparable on OLE design and installation for rail clients.

Others

• Mott MacDonald: Global engineering consultancy providing design, advisory and project management across rail, energy and environment. Adjacent rather than directly competing; comparable where AmcoGiffen offers in-house design capability, but Mott MacDonald is consultancy-led rather than delivery-led.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about AmcoGiffen