Leading the way in energy transition and utilities infrastructure services
We are committed to leading the way in utilities and energy transition contracting; our mission is to innovate and deliver sustainability. OCU’s passion for addressing complex challenges brings new standards of growth in our people and capabilities.
OCU Markets
We work in a wide range of sectors from Power and Energy Transition, through to the Water and Telecoms industries. We operate above and below ground in infrastructure and non-infrastructure environments.
OCU Group is at the forefront of ensuring the critical services that we all rely on are ready for the UK’s renewable energy powered future. Our commitment is to innovate and deliver sustainability, while designing, building and maintaining these vital services for our clients’ customers.
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Energy Transition
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Regulated Power
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Digital Infrastructure
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Water & Wastewater
Find out more about our strategy, markets and how we are ‘Accelerating change and shaping futures’ for businesses and communities.
OCU deliver engineering solutions for all Distribution Network operators, we work collaboratively with our customers to provide safe and reliably engineered connections to grid infrastructure.
Microgrids
High voltage direct current (HVDC)
Engineering, procurement and construction (EPC)
Substations
Overhead lines
Underground circuits
Private wire connections
Civil
OCU is a water infrastructure service provider, safely delivering innovative and reliable solutions. We offer consultation, design, build and maintenance support for our water clients across the UK & Ireland.
Consultancy
Design
Engineering, procurement and construction (EPC)
Building and contracting
MEICA
HV and LV services
Civils
Pipelines
Structures
Flood defence
Harbour and pier redevelopment
OCU is a fully accredited trenchless construction contractor with over 20 years of experience delivering HDD and trenchless solutions across the UK and Ireland.
Non-invasive underground construction techniques
Road, rail, river crossings
Horizontal directional drilling
Micro-tunnelling
Minimise surface disruption and environmental impact
OCU offers comprehensive specialist design and installation capability across the District Heating sector. Our teams provide end-to-end district heating infrastructure: consultation and design through to build, operation and maintenance
Design consulting
Energy centres, plantrooms and substations
Network construction
Mechanical, electrical & instrumentation
Operations, maintenance and support
OCU has been delivering projects beyond the UK for nearly a decade, including work in Ireland and the Netherlands. Through a combination of organic growth and strategic acquisitions, OCU continues to expand its international presence, pursuing the right opportunities where they align with our expertise and vision.
International Group built around a shared commitment
Full lifecycle project services in energy transition, regulated power, digital infrastructure, water and wastewater
Local delivery led by local teams
Leveraging Group capabilities
Established universal safety and project systems, governance, and digital innovation
Providing scale, flexibility, and technical depth
OCU Capabilities
From project conception to completion, our expert support comes as a fully managed turnkey service.
Energy Transition
Battery energy storage
Solar
Wind farms
EV charging
Microgrids
High voltage direct current (HVDC)
Engineering, procurement and construction (EPC)
Substations
Regulated Power
Microgrids
High voltage direct current (HVDC)
Engineering, procurement and construction (EPC)
Substations
Overhead lines
Underground circuits
Private wire connections
Civil
Water & Wastewater
Consultancy
Design
Engineering, procurement and construction (EPC)
Building and contracting
MEICA
HV and LV services
Civils
Pipelines
Structures
Flood defence
Harbour and pier redevelopment
Digital Infrastructure
Scheme planning
Scheme management
Duct chamber
ERS
Diversions
Multi-dwelling units
Cabling
Splicing
Terminating
Civils
Horizontal Directional Drilling
Non-invasive underground construction techniques
Road, rail, river crossings
Horizontal directional drilling
Micro-tunnelling
Minimise surface disruption and environmental impact
District Heating
Design consulting
Energy centres, plantrooms and substations
Network construction
Mechanical, electrical & instrumentation
Operations, maintenance and support
OCU International
International Group built around a shared commitment
Full lifecycle project services in energy transition, regulated power, digital infrastructure, water and wastewater
Local delivery led by local teams
Leveraging Group capabilities
Established universal safety and project systems, governance, and digital innovation
Providing scale, flexibility, and technical depth
What our clients say...
Our Acquired Businesses
Proudly working alongside
