Jennings O’Donovan, the multidisciplinary consulting engineering firm based in Ireland and specialising in renewable energy, water supply, wastewater treatment and the provision of planning and environmental services has been acquired by RSK.

Jennings O’Donovan, which was founded in 1950 and is headquartered in Sligo with a workforce of approximately 100 staff, brings the RSK team in Ireland to over 600. The company’s clients include local authorities, water and power utilities, private developers and industries in Ireland and overseas. The primary markets it currently operates in include Ireland, the United Kingdom and Eastern Europe.

Recent engineering excellence award-winning projects have included Meenadreen Wind Farm; Nysäter Wind Farm, Sweden; Lumcloon Battery Energy Storage Facility and Lough Rinn International Rowing Course.

Jennings O’Donovan’s workforce includes design engineers, planners, project managers, environmental scientists and resident engineers. With an annual turnover of €8.2 million, the consulting services provided by the company cover a broad range of sectors, including civil, structural and environmental engineering, health and safety, building and infrastructure, tourism and leisure amenity, water, wastewater, planning and the renewable energy sector.

Director David Kiely, who will continue to lead the business, said: “We are delighted to be joining the RSK Group and becoming part of the wider RSK family. This acquisition will see our staff and business continuing as normal while moving to new ownership within a larger organisation that will support our continued growth and development in line with our commitment to the principles of climate action and the low carbon economy.”

RSK Group Chief Executive Officer Alan Ryder said: “Jennings O’Donovan has enviable skills and experience in crucial sectors that are so important to RSK across the world and are key to our commitments to the UN Sustainable Development Goals. These include renewables, water and wastewater, planning and environment and building and infrastructure, to name just a few. In renewables alone, the business has a project portfolio extending to more than 2500 MW of power and it is a recognised market leader in wind energy development. When this portfolio is completed, total investment will extend to €3 billion in the wind energy sector.

“This acquisition is one that will play an important role in further strengthening our operations in the renewables, environmental and water sectors in particular but equally, Jennings O’Donovan’s experience and track record for delivery and service excellence in other sectors adds to our diversity and growth.”

As RSK continues to deliver its ambitious growth strategy, it now comprises over 200 companies, employing 12,000 people. The group’s annual turnover at the end of FY22 was £796 million.