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RTS Wind Group GMBH complete majority acquisition of Subsea Energy Solutions
RTS Wind Group GMBH complete majority acquisition of Subsea Energy Solutions

RTS Wind Group GMBH, a global leader in the wind energy industry and part of Topp Holdings GmbH, has acquired a majority stake in Subsea Energy Solutions (SES), a global equipment manufacturer in the offshore energy industry based in the North East of England.

Topp Holdings GmbH is a family-owned, independent holding company based in Bremen, Germany and Freienbach, Switzerland with consolidated sales of 253m EUR and over 6000 staff.

The acquisition will kick start the next phase of growth within Subsea Energy Solutions who have seen rapid growth in their business due to the success of its patented SUB-FLEX™ product, now deemed as the best cable protection system for the floating wind industry.

As part of the transaction, Ryan Henderson, Les Nutter, Ken Ritson and Simon Wyles from Ventus Energy will bring insight and experience to SES, identifying synergies between both companies. Ventus Energy was itself acquired by Topp Holdings Group in March 2023.

Ryan Henderson, Executive Director at Ventus Energy said “Partnering with SES provides Ventus Energy with a great opportunity to expand our service offering in the offshore sector. Ventus Energy’s experience in delivering quality, high voltage solutions, coupled with SES’s reputation for subsea engineering excellence, provides both companies with a unique opportunity to offer bespoke solutions and exceptional value to the market.  We are delighted to have solidified our long-standing relationship with SES and very much look forward to delivering on our overall strategic objectives together”

Philip A.R Stanyon, Company Founder & Commercial Technical Director said: “As we enter our twelfth year in business Subsea Energy Solutions has firmly established itself within the global offshore energy business. The opportunity for significant investment into the business will facilitate the transformation into a major global player in the cable protection industry to directly compete against the biggest names in the industry."

Stanyon continued: “With the transition from fixed bottom to floating wind, SUB-FLEX™ has become the go-to solution for protecting cables within dynamic environments. This investment will now fully permit the business to capitalise upon the market opportunity”.

Christopher Topp, CEO at Topp Holdings, said: “We identified the incredible growth potential within Subsea Energy Solutions and could see the company is a perfect fit with our group companies. We are excited about working with Philip Stanyon and the team to support the massive potential as the industry continues to grow.”

Steve Pugh, Strategic Director at Subsea Energy Solutions, said: “This is one of the rare deals that is genuinely good for everyone. The investment brings additional stability and strength to SES helping us support existing staff, customers and stakeholders, but also provides an incredible investment opportunity to capitalise on the growth in the floating wind and offshore energy market”.

The deal was completed in July 2023 for an undisclosed sum. 


Image Caption (pictured left to right): Philip Stanyon – Subsea Energy Solutions, Christopher Topp – Topp Holdings, Ryan Henderson, Les Nutter and Ken Ritson – Ventus Energy


About Subsea Energy Solutions:

Subsea Energy Solutions are proud to service the global industries of Oil & Gas, Offshore Wind, Wave & Tidal Energy. We are an ISO 9001 : 2015 certified company and we work to the requirements of ISO 14001 & ISO 45001 which means that you can be assured of our commitment to high quality products and service.

Our unique one-stop-shop provides project management, innovative design, in- house manufacturing, equipment assembly, load & pressure testing and onshore / offshore commissioning. We are able to provide everything from stock items to bespoke topside and subsea equipment design solutions making.

Our senior management have together over 100 years of experience within the oil & gas and renewable energy sectors and our dynamic, innovative, flexible and fast paced team will endeavour to meet any project and schedule demands by drawing upon the wide range of in-house experience and in-house services.

Our mission is to consistently deliver on schedule and on budget allowing us to meet and exceed clients ever increasing expectations by providing an unrivalled service and purchasing experience.

Find out more about how Subsea Energy Solutions at or Tel: +44 (0) 1748 828 580