Rotterdam, January 2026 – Cooperate Green and Daamen & van Sluis Accountants Belastingadviseurs have entered into a partnership to carefully support clients on sustainability and social issues. With this collaboration, both parties ensure that these issues, when they occur with clients, can be dealt with in a strong and appropriate manner in terms of content.
Personalized service as a starting point
Daamen & van Sluis mainly serves SMEs, liberal professionals, non-profit organizations and organizations with both national and international activities. The firm is known for its personal approach, no-nonsense approach and Rotterdam mentality. Within that service, the firm wants to be able to fall back on specialist and reliable support on sustainability issues as well.
Practical and appropriate to the customer
” We don’t focus on sectors, we just work with clients we like,” said Dennis Stouthart, partner at Daamen & van Sluis. “And if those customers have questions about sustainability, we want to get it right. Not because we have to, but because it suits good business. With Cooperate Green we have a partner that fits in with our way of working: practical, clear and substantively strong. ”
The partnership means that clients of Daamen & van Sluis who want to get started with sustainability can count on guidance that suits their organization, their questions and their pace.
About Cooperate Green
Cooperate Green helps organizations clarify and structurally improve their social responsibility. The firm guides clients from inventory and strategy development to implementation, monitoring and reporting, working with a broad network of partners, including accountants and industry associations.
Interested in working together?
Contact us at info@cooperategreen.com or info@daasluis.nl