GUY VAN DER HEYDEN
Managing Partner
His experience encompasses public offerings of debt and equity securities, mergers, acquisitions, recapitalization, joint ventures, private placements, fairness opinions and valuations. Guy has worked in a number of diverse industries including chemicals, food, aviation, fashion, construction, and IT and services.
Education
Corporate Finance Program, London Business School, England
Masters in Business Administration - Louvain School of Management, Belgium
Experience
Managing Partner, Icafin
Managing Partner, MandA International
Managing Director, Privafin
General Manager, Aufisco
Managing Director, Loretto Group
General Manager, Dumenil Leble Management
Sales Manager, Nomura Securities
Senior Auditor, Coopers and Lybrand Consulting
Track Record
Sale of Silidur to Rynol (construction)
Sale of Olivier Strelli to Ever Capital (Fashion)
IPO of Fidelity Net Marketing (direct marketing)
Capital increase of Intercultures on Luxembourg stock market with a EUR 50m transaction to Bollore Group
MBO of Sepulchre (specialty chemicals)
Fundraising of Xylowatt and Greenwatt (green energy)
Fundraising Selinko (IoT)
Sale of Bureau van Dijk ERP division to SOA People (ERP software)
International Experience
United Kingdom (GB)
Japan (JP)
Sector Expertise
Information technology
Media
Keywords
Advised Deal
Advice on sale
ONEtoONE Corporate Finance has exclusively advised Verhaert | Masters in Innovation on the full sale of Lambda-X Ophthalmics, a world leader in ophthalmic lens metrology, to Whitestone Group and the management of LXO. This acquisition enables Lambda-X Ophthalmics to continue its growth and leadership in providing high-precision instruments and software for the measurement and characterisation of ophthalmic lenses. The partnership with Whitestone Group will further strengthen Lambda-X's global presence in a rapidly expanding market.
Private Placement
ONEtoONE Corporate Finance has acted as the financial advisor for Fietsen Wildiers on a €5 million investment from Welvaartsfonds. This investment enables Fietsen Wildiers to scale operations, expand inventory, and support growth, positioning it as a leading bicycle company in Belgium. Founded in 1937, Fietsen Wildiers is a fast-growing Flemish family business with 100 employees, offering comprehensive bicycle sales, aftercare, and leasing services. Welvaartsfonds is a public-private initiative focused on economic recovery, aiming to restore the Flemish economy to pre-pandemic levels and address solvency issues faced by local companies.
Advice on sale
ONEtoONE acted as the exclusive financial advisor to van Hoorebeke Timber, in its sale to van Steenberge. Van Hoorebeke Timber is a major Belgian player in wood import and distribution. Etienne Van de Kerckhove, former chairman, expressed confidence that the merger will create more value and growth opportunities for both companies, highlighting the importance of timber as a sustainable building material. Van Steenberge, a leader in the timely delivery of softwood, panel materials, and finished wood products, combines decade-long experience with innovation to meet evolving customer needs. The merger will create synergies, expanding both companies' presence in the international timber market.
Advice on sale
We are proud to announce that ONEtoONE Corporate Finance Benelux advised Auctelia shareholders in the sale of their company. Founded in Belgium in 2009, Auctelia is an online auction platform for used professional equipment and vehicles. Auctelia provides its clients with a base of qualified buyers in 40 countries, as well as an exhaustive range of services related to the management of digital transactions. ONEtoONE Corporate Finance Benelux identified Agorastore as being the best possible buyer for Auctelia. Agorastore is a player in the circular economy since 2005. Agorastore enables companies and public authorities to give a second life to their capital goods and real estate assets through an online auction platform and additional services. With Auctelia, the Group will reach a business volume of nearly €150 million.
Private Placement
We are happy to announce that ONEtoONE Corporate Finance successfully raised an undisclosed amount of equity in the millions of Euros for H2WIN SA from smart business angels. H2WIN is a Belgian private biotechnology R&D company, recognised in the industry and by academia as being the only company in the world working to produce hydrogen from the direct conversion of sunlight and water with (photo)enzymatic catalysts, the H2GREEN system. The purpose of this equity raise is to develop the industrialisation of the enzyme production and the fixing of the enzymes in the Proton Exchange Membrane (PEM).
Private Placement
ONEtoONE is pleased to announce that MAZARO has become the first crowd listing on Euronext Brussels and is now successfully listed on Euronext Access. This transaction combines a successful crowdfunding campaign and a private placement followed by a listing on the exchange. MAZARO designs innovative transmissions that combine an exceptionally high internal efficiency with the ability to keep the engine or E-motor on its optimum efficiency curve at all times, offering unrivalled energy, emissions and cost savings while enhancing performance and comfort.
Advice on sale
ONEtoONE is pleased to announce that they have helped the Liège-based company CryoTherapeutics SA in securing its most recent funding of €12.3 million. The Swiss investment fund Yellowstone will now take a stake in the MedTech company. The focus of the company is the development, demonstration of clinical benefit, and early-stage commercialization of cryotherapy systems for the treatment of coronary plaque. The company´s technology is comprised of an intravascular catheter that can deliver at its tip sub-zero temperatures to treat inflamed areas of the coronary artery with the aim of stabilising lesions that could otherwise rupture and cause a heart attack. Yellowstone Holding AG (Yellowstone) is a Swiss investment company with a strong and extensive network in Asia, focusing on European med-tech start-ups with breakthrough innovation. Yellowstone is positioned as a strategic investor, aiming to bridge and integrate portfolio companies with supply chains and resources among the EU, Switzerland and Asia.
Advice on buying
Efficy, the Belgian leader in European CRM (Customer Relationship Management) provider, has announced the acquisition of the Swedish company Apsis. This transaction acts as a gateway for Efficy to expand its product scope to data-driven marketing solutions and allows for its penetration of the Nordics markets. Which in turn, represents a major milestone towards Efficy´s ambition to reach a 5% market share of the European CRM market by 2024.
Private Placement
With ONEtoONE Corporate Finance support, ACTIV'INSIDE, a French company specialized in the development and sales of Active Neutraceutical Ingredients has welcomed AQUITI Gestion and Bpifrance as new shareholders in order to finance its organic and external growth. ONEtoONE Corporate Finance has advised ACTIV’INSIDE shareholders and managers for the last two years in the definition of their strategy, their business plan and their funding options. Being entrepreneurs ourselves, we are happy to support entrepreneurs in all steps of their financial strategy.
Advice on buying
The Belgian group, Efficy, has just acquired the Spanish software CRM developer SumaCRM, in an operation advised by ONEtoONE Corporate Finance on the side of the buyer. The acquisition fits into the growth strategy of the Belgian group, which already has more than 20M turnover and a portfolio of more than 2,400 customers in 33 countries.
Advice on sale
The Benelux team of ONEtoONE Corporate Finance has successfully advised on a sell-side operation the owner of Ciné Télé Revue, Michel Leempoel, on the sale of Ciné Télé Revue. The company is the french-speaking Belgium’s preferred TV magazine. The objective of this deal is to help the magazine adapt to changing media consumption habits. As a new part of Rossel, Ciné Télé Revue will become the corner stone of the latter’s, movie, people and lifestyle content offer.
Advice on sale
Advising on the sale of a company operating in the flexible packaging sector, with the main focus on the pet food and agri-food market in Romania.
Advice on sale
ONEtoONE Corporate Finance advised in the sale of the shares of Erasme Hotel SA. This company is running a 81 rooms hotel and a residence of 9 apartments. The hotel is located next to the biggest university hospital in Brussels, called Hôpital Erasme. The buyer is a Belgian hospitality Group that has already 10 hotels and is the biggest Accor franchisee in Belgium.
Advice on buying
Distec International is a company specialised in value added distribution created in 1987 and are active in France, Belgium, Luxembourg and The Netherlands. Since he joined the company as Managing Director in 2012, one of Quentin Janssens main focus has been on bringing Distec to the age of e-commerce. ONEtoONE Corporate Finance Benelux served as advisor to Initiative & Finance, a French MBO fund, for the structuring and the financing of the MBO transaction.
Private Placement
Distec International is a company specialized in value added distribution, created in 1987 and active in France, Belgium, Luxembourg and The Netherlands. Since joining the company as Managing Director in 2012, Quentin Jassens’ main focus has been on bringing Distec to the age of e-commerce. ONEtoONE Corporate Finance Benelux actedas advisor to Initiative & Finance, a French MBO fund, for the structuring and the financing of the MBO transaction.



