About
Empact is a boutique ESG consultancy in Haarlem, the Netherlands, advising companies and public organisations on the CSRD. Its work covers double materiality assessments, CSRD reporting and ESG strategy. Empact guided Delta Electronics EMEA for two years on its first CSRD report, including the double materiality assessment and an ESG data platform for 109 entities, and supported OTTO Work Force and Cyclomedia on their first sustainability reports under the CSRD. Other clients include CBS (Statistics Netherlands). For SMEs in the value chain of CSRD reporters, Empact works with the VSME.
Team members
Capabilities
Related experts
Martin de Jong
Founder and Managing Director
Martin founded Empact, a boutique ESG consultancy in Haarlem, and has worked as a CSR manager and sustainability professional since 2006. He advises companies and public organisations on the CSRD, with a focus on strategy. Together with Anne Rademaker he supported OTTO Work Force on its first sustainability report under the CSRD, published in 2025, and both now work with Delta Electronics EMEA on its next CSRD report. Martin is also a part-time lecturer at the University of Amsterdam.
Derk Jan Berends
Management Consultant
Derk Jan is a management consultant at Empact with decades of experience as a director and manager. He helps organisations develop an ESG strategy and turn it into concrete programmes and projects, with a focus on the VSME, the voluntary standard that helps SMEs answer sustainability data requests from customers that report under the CSRD. With Martin de Jong and Jeroen Scheepmaker he guided Ducky Dons, a Dutch maker of down duvets and pillows and one of the first SMEs to work with the VSME, through its VSME report, including a materiality assessment and a full carbon footprint.
Anne Rademaker
Co-owner and ESG Consultant
Anne is co-owner of Empact and works on ESG implementations such as the CSRD for companies and public organisations, with expertise in sustainability and the circular economy. She has worked on sustainability projects since 2014, including strategic ESG risk management at EY. With Martin de Jong she supported OTTO Work Force on its first sustainability report under the CSRD, and she now works with Delta Electronics EMEA on its next CSRD report. Anne teaches at the University of Amsterdam, Nyenrode Business University and Wageningen University & Research.
Is this your firm? Get listed