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Leading the way in energy transition, utilities and digital infrastructure

OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements. Our breadth of capabilities and depth of operational capacity, paired with our cutting-edge technology, ensure that we are not just part of the market; we are leading it.

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

Nationwide Coverage

Nationwide Coverage

From project conception to completion, our expert support comes as a fully managed turnkey service.

Design

  • Engineering design for the energy, water and transport sectors

  • Industry expertise

  • Building information modelling (BIM)

  • Leverage artificial intelligence technologies

  • 3D modelling and digital twins

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 Solutions

  • 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

Trenchless HDD

  • Non-invasive underground construction techniques

  • Road, rail, river crossings

  • Horizontal directional drilling

  • Micro-tunnelling

  • Minimise surface disruption and environmental impact

Training Academies

  • Electrical and industrial training

  • Modern and comprehensive courses

  • CompEx Electrical, CompEx Mechanical, and EAL Electrical

  • HV/LV training

  • State-of-the-art equipment

  • Highly-experienced trainers

OCU Capabilities

From project conception to completion, our expert support comes as a fully managed turnkey service.

Design

  • Engineering design for the energy, water and transport sectors

  • Industry expertise

  • Building information modelling (BIM)

  • Leverage artificial intelligence technologies

  • 3D modelling and digital twins

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 Solutions

  • 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

Trenchless HDD

  • Non-invasive underground construction techniques

  • Road, rail, river crossings

  • Horizontal directional drilling

  • Micro-tunnelling

  • Minimise surface disruption and environmental impact

Training Academies

  • Electrical and industrial training

  • Modern and comprehensive courses

  • CompEx Electrical, CompEx Mechanical, and EAL Electrical

  • HV/LV training

  • State-of-the-art equipment

  • Highly-experienced trainers

OCU Nationwide Coverage Map

What our clients say...

Pure Stream Industries

“Joining OCU Group is an exciting new chapter for Purestream. The strength and depth of opportunities within OCU, combined with their commitment to developing people and driving industry standards, were key attractions for us. We look forward to the shared learning and value creation that will arise from integrating our water design and wider services with OCU’s well-established energy and utilities capabilities.”

Nicholas Wise

Director of Purestream

Pure Stream Industries

“We have always been focused on improving the efficiency and sustainability of our offerings. Working as part of the wider OCU Group will accelerate our ability to innovate and enhance the services we provide to our clients.”

Harry Mouquet

Director of Purestream

Nettworx

“Becoming a part of OCU Group represents an exciting new chapter for Nettworx. Our combined expertise and resources better position us to address the complex challenges and opportunities in the energy sector, especially in the critical area of Overhead Powerlines.”

Declan Hamill

Managing Director

Our Acquired Businesses

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