Deal done: Volantis Groep
08-07-2025

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Home News updates Deal done | Aeternus acted as the advisor to Volantis Groep in the sale to listed company Sweco

Deal done | Aeternus acted as the advisor to Volantis Groep in the sale to listed company Sweco

Volantis Groep has been acquired by Sweco, Europe’s leading architecture and engineering firm. Volantis’ 150 experts will join Sweco Netherlands’ 2,200 architects, engineers and consultants and 22,000 international colleagues. This strengthens Sweco’s position as market leader.

After years of strategic guidance and M&A advisory to Volantis Group and several buy and build acquisitions (including the acquisition of Architecten aan de Maas, the acquisitions and mergers that led to Volantis Architects, and the acquisition of SafeConsult), Aeternus has now advised on the sale of the entire Volantis Group to Sweco.

Volantis is a multidisciplinary consulting organisation that realises new projects and innovates existing buildings, processes and production environments. The company is active in sectors such as healthcare, industry, residential construction and sustainable energy. For Sweco, the acquisition of Volantis Group fits in with its strategy to further strengthen its position with experts in various expertise areas, including circularity and the energy transition, based on an integrated disciplinary approach.

‘We are proud to be a part of Sweco. This will increase our effectiveness for clients and for society. Together, we can make a greater impact with our knowledge, commitment and ownership. Sweco will soon be gaining strong teams in the fields of installation consulting, circularity, healthcare real estate, industrial construction and innovative, sustainable architecture.’

Jan Houwen, CEO Volantis Groep

The shareholders of Volantis Groep were advised by Bas van Soest, Maartje Korten, Bas van den Broek and Tim Brekelmans of Aeternus. In this deal, they worked hand-in-hand with the accountancy and tax experts of Newtone.

‘It is special to be able to advise such a long-standing customer in a deal like this. The process was unique due to the customer relationship and deal structure. First, five entities were restructured, followed by the complete deal with Sweco. It is truly deserved and well-earned for all parties involved who have now sold. They have built a wonderful company and this result is entirely in line with that.’

Bas van Soest, Partner at Aeternus

We congratulate Volantis Group, Sweco and everyone involved and wish them every success in the future.

About Volantis Groep

Volantis is an innovative player in the sector of architectural and installation engineering design, with strong expertise in sectors such as healthcare, industry, residential construction, circularity and sustainable energy. The company operates from Venlo, Eindhoven, Geleen, Maastricht and Rotterdam. Architecten aan de Maas, part of Volantis since 2024, is known for its future-oriented and context-aware designs and specific knowledge in the academic hospital world.

In 2024, Volantis received an FD Gazellen Award from the leading financial newspaper in the Netherlands, recognising it as one of the best-performing and fastest-growing companies in the country. Volantis had revenue of 19.1 million euros last year.

About Sweco

Sweco designs and develops the sustainable societies and cities of the future. Together with its customers and the knowledge of 22,000 architects, engineers and consultants, Sweco creates smart solutions for urban areas. With a focus on the accelerating power of digitalisation and the perspective of a green and more sustainable society.

Listed on the stock exchange, Sweco is Europe’s largest architectural and engineering consultancy with offices in 12 countries. In the Netherlands, 2,200 people work for Sweco with one goal in mind: Transforming Society Together. Sweco Netherlands had a revenue of €283.4 million in 2024.

The M&A team for this deal

Bas van Soest

Partner

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Partner

Bas van Soest

“Go for everything you believe in!”

Bas has been employed at Aeternus as a Corporate Finance Advisor since April 2009, and became a partner in November 2011. He has more than fifteen years of experience as a financial specialist in the banking sector. Moreover Bas has been active for fifteen years in assisting in mergers and acquisitions, performing business valuations and providing value enhancement advice for companies. Bas has already successfully guided more than 100 acquisition transactions in de small-and mid-corporate market.

In addition to studying Business Economics, Bas has completed several training courses in takeover and acquisition financing. In 2011 he obtained an Executive Master’s degree in Business Valuation at the Rotterdam Erasmus University. Bas is also a Register Valuator.

‘Every new project brings tremendous challenges with it in my ambition to conclude the best transaction possible for our clients. You work with and for highly interesting specialists and entrepreneurs. The diversity of the transactions in which Aeternus is involved is substantial, and each new project poses new challenges in terms of its content.’

Maartje Korten

Legal Manager Corporate Finance

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Legal Manager Corporate Finance

Maartje Korten

“You do not build up a reputation with future promises.”

Maartje has been working for Aeternus as a Legal Analyst Corporate Finance since November 2018 and later she progressed to the position of Legal Manager Corporate Finance. She graduated at Tilburg University and has a bachelor and master degree in respectively Law & Management and Business Law. During her studies she completed an internship at Boels Zanders Advocaten in Venlo and spent a semester at Northwest University in South Africa following various courses related to business economics and law.

Bas van den Broek

Senior Analyst Corporate Finance

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Senior Analyst Corporate Finance

Bas van den Broek

“Good ideas ought not to be dressed up in bad prose”

Bas joined Aeternus in March 2023 as a senior analyst Corporate Finance. Previously, he worked at APG as an Investment specialist – Fundamental Equity, prior to that he worked at ABN AMRO and EY. Bas completed his Master’s degree in Accounting at Tilburg University. In 2021, after completing the third exam and meeting the right experience, he obtained his CFA title.

“An M&A transaction or making a valuation is in many cases a complex process. Often this is a “once-in-a-lifetime” process for the owner of the company. An analyst can lose himself in complex analysis, jargon and other complicated matters. That is why I see it as my task, and that also gives me satisfaction in my job, to bring complex matters back to the core. I like to take the entrepreneur along in a concise story and a high-quality valuation, which justifies the value of the company. I am convinced that this ensures a pleasant cooperation with the entrepreneur and will ultimately ensure the best result”.

Tim Brekelmans

Analyst Corporate Finance

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Analyst Corporate Finance

Tim Brekelmans

“It is not about ideas. It is about making ideas happen.”

After completing his bachelor’s degree in Business Economics, Tim also successfully completed the masters in Finance and Strategic Management from Tilburg University. During his bachelor, Tim completed an internship within Heineken’s finance department. Since May 1, 2023, Tim has joined Aeternus as a Corporate Finance analyst.

Interested in a meeting with an experienced M&A advisor? Then contact us for an appointment.