LEA becomes new owner and strategic partner of TAC, acquiring all shares from Clubessential Holdings

  • Over 1,200 hotel spas, pools and fitness clubs already rely on TAC’s software
  • TAC's modular platform addresses the full spectrum of software requirements for wellness operators, enabling them to focus on daily operations and guest experience
  • The founder and management team, led by Thomas Rössler, Gernot Tobisch, Günther Pöllabauer and Mathias Friesenbichler, will remain on board and, together with LEA, continue to strengthen TAC’s leading market position in the DACH region


Karlsruhe/Hartberg, November 5, 2025: LEA becomes the new shareholder of TAC, the leading provider of software solutions for hotel spas, pools and fitness clubs headquartered in Hartberg (Austria). LEA is a leading strategic growth partner for B2B SaaS companies in the DACH region.

TAC supports over 1,200 customers worldwide in optimizing operations and delivering a seamless, high-quality guest experience. Through continuous product innovation, TAC today offers a highly modular, all-in-one platform that covers the complete software needs of its clients – from reservation and resource planning to membership management, access control, POS, and payment processing.

In partnership with the existing management team, LEA will support TAC’s next phase of growth from its Hartberg and Vienna offices, leveraging structural macro trends such as the rising demand for health and wellness experiences.

Thomas Rössler, founder and CEO of TAC, comments: “With LEA, we have found the ideal partner to continue TAC’s success story. From the very first discussions, it was clear that our visions and values align perfectly. Together, we will pursue our ambitious growth plans and further expand our leading position in the leisure industry.”

Jan Huber from LEA adds: “TAC is a prime example of how consistent product investment and a well-coordinated team are key to achieving market leadership. We were immediately impressed by TAC’s clear customer value proposition and deep functionality, both of which contribute to strong, long-term customer relationships. We are delighted that the TAC team is once again investing substantially in the company as part of the transaction and that we can help to facilitate further growth.”

About TAC

Founded in 2001, TAC is a leading provider of software solutions for hotel spas, thermal baths and fitness clubs. More than 1,200 customers in over 70 countries use TAC’s modular all-in-one platform to simplify daily operations, deliver a seamless guest experience and grow their business. The company is recognized for its deep product functionality in 18 languages, reliability and 24/7 customer support. Visit www.tac.eu.com to learn more.

About LEA

With over EUR 2 billion in cumulative capital commitments, LEA is an entrepreneurial-minded multi-stage private equity firm investing in technology companies that are driving transformative change in their industries. Since 2016, the 35-strong team from Karlsruhe has successfully supported more than 120 technology companies. Visit www.leapartners.de to learn more.