Supporting clients across the lifecycle of wind power projects

Venterra has eight member companies supporting our clients across the lifecycle of wind energy projects.

With Venterra’s expertise and resources, we are growing these businesses which provide reliable, high-quality services across key markets at scale. In due course, Venterra will make further complementary acquisitions to create a comprehensive range of services across the engineer, build and support phases of the wind power industry.

Venterra operates from 14 locations in 9 countries and altogether has over 450+ employees. 







We serve the leading developers and operators in the wind power industry in the United Kingdom, Europe, United States and Asia. 

Gavin & Doherty Geosolutions (GDG) logo

Gavin & Doherty Geosolutions Ltd (GDG) is a specialist offshore engineering and design consultancy, with a particular focus in the offshore wind sector.

GDG has worked on over 35GW of offshore wind farm developments around the world, both as designers and owners’ engineers. With a highly technical team of over 100 engineers and scientists, GDG services the international offshore wind market from offices throughout the UK, Ireland and the Netherlands.

GDG brings together state of the art research and direct industry experience and can offer a unique engineering service, delivering the most progressive, reliable, and efficient offshore wind designs to our clients around the world.

Services Consenting & Planning, Survey management, Ground modelling, Concept and detailed designs, T&I consultancy



of offshore wind farm developments

over 100

engineers and scientists

Osbit logo

Osbit designs, builds, and delivers innovative mission equipment to make more possible, with particular focus in offshore wind. Founded in 2010, Osbit develops bespoke systems for vessel and equipment operators across a broad range of technology streams, including foundation installation, subsea trenching, cable lay, and handling.

To date, Osbit’s 100-strong team has directly supported >11GW of offshore wind farms globally, including ground-breaking developments which have improved the safety, efficiency, and cost effectiveness of offshore wind farm construction. The company operates from its head office and assembly facility in Northumberland, UK, as well as an office in Boston, United States.

Services Innovative equipment design, supply including subsea trenching, foundation installation, cable lay, access equipment, specialist systems and offshore handling.





Wind energy globally

FoundOcean logo

Founded in 1966, FoundOcean is one of the world’s largest dedicated offshore construction grouting company.

The company’s primary area of expertise lies in securing structures to the seabed by foundation grouting, including multiple installations for offshore wind farms. FoundOcean provides numerous life extension and decommissioning solutions for offshore assets – including freespan correction of pipelines and cables, structural strengthening & repair, concrete leg capping, lift point installation, pipe isolation and hydrocarbon displacement. 

Services Structural and rehabilitation subsea and above-water grouting and life extension solutions


Over 45



Across global offshore wind projects

InterOcean logo

Ordtek, is a world leading provider of unexploded ordnance (‘UXO’) risk management consultancy.

Based in Norfolk, in the East of England, Ordtek’s approach to addressing UXO risk employs an intelligent blend of risk management, industry specific learning and geoscience techniques to assess and mitigate the risks posed to maritime development.  The business serves leading offshore wind developers and TSOs worldwide and plays a critical role in the safe development of new offshore wind capacity.


Ordtek, led by Lee Gooderham, will form part of Venterra’s early stage ‘Engineer’ services led by existing member company, Gavin & Doherty Geosolutions (‘GDG’), the geoscience design business. Ordtek will be supported by the engineering and project management resources within GDG to provide a robust technical offering to existing clients and facilitate enhanced capacity to support new clients and projects around the world.



Partrac is a specialist metocean and seabed consultancy, with a particular focus in the offshore wind sector.

Partrac have worked on over 20GW of offshore wind farm developments across Europe. Partrac designs and implements metocean surveys, including offshore wind resource measurement programmes as well as providing specialist consultancy services, that include the interpretation of metocean (wind, wave and current) and seabed (geoscience) data. We support the consenting and engineering design stages of offshore wind farms and their associated cable routes.

Our team consists of over 30 dynamic, motivated, high calibre people from a variety of backgrounds and specialisms.

Partrac is trusted to provide vital metocean data and critical seabed advice to the world’s largest and most innovative offshore wind developers.

Services Metocean and wind resource surveys, metocean consultancy and specialist seabed consultancy services


over 30

engineers and scientists


of offshore wind farm developments

Gavin & Doherty Geosolutions (GDG) logo

Based in Morecambe, Lancashire, Balltec designs, manufactures and tests high integrity mechanical connectors for critical applications in the renewable energy and oil & gas sectors.

Products and systems are delivered for sale or rental on a global scale, with offshore wind installation and oilfield decommissioning projects representing the largest business sectors. Balltec has recently completed projects to supply 3,000 mT capacity internal lifting tools for a large, North Sea decommissioning project, multiple quick connection systems to notable offshore wind installation contractors, and a large volume of connectors used within the cable protection systems attached to offshore wind turbines.

Services Provides products for cable protection, mooring, pipelines and heavy lifting and is a supplier of engineered systems for challenging projects, from concept to commissioning.



of offshore wind farm developments


engineers and scientists

Gavin & Doherty Geosolutions (GDG) logo

INSPIRE Environmental is a leading marine environmental sciences firm supporting offshore wind development since 2009.

INSPIRE conducts site assessments with cost-effective, state-of-the-art imaging equipment; focused sampling; and interactive data visualization. Our Forward Scouting approach combines these tools to de-risk cable routing, and our ability to review data in-situ gives INSPIRE the distinction of an effective adaptive sampling approach. We combine this with a best in class approach to the development, execution, and interpretation of collaborative fisheries and benthic monitoring surveys to assess the potential impacts of offshore wind development with proven results.

INSPIRE’s experience and capabilities provide key information on marine resources and an adept understanding of agency guidelines and recommendations for decision-making support from the inception of projects through project lifespan. As a specialist in benthic and marine resources we deliver critical value in core areas of environmental assessment and monitoring throughout the world.

Services Site assessment, in-situ monitoring and marine science consultancy



of offshore wind farm developments

over 25


Naver Energy logo

At Naver Energy, we are a team of renewable energy professionals with decades of experience gained in OEMs developers, utilities, engineering and consultancy companies.

All of this accumulated know-how shapes our mission statement: Your Project – Our Craft. Naver Energy, backed by Venterra, was formed in 2022 by eight founding partners with an accumulated 100+ years of wind energy experience and our growth plans will see us reach a diverse team of 100+ renewable energy professionals in the coming years across the EU, US and APAC. Our primary focus will see us work on projects within offshore wind and PtX. Headquarted in Denmark.

Services Advisory services within Origination, Engineering Management, Procurement and Contract Management, Project Development & Execution to help our clients win auctions, deliver on construction packages, achieve bankability certificates (Technical due diligence etc.) and efficiently navigate the early-stage development complexities all the way through to operations.