AMSTERDAM, the Netherlands. Integra International’s 2026 Global Conference came to Amsterdam last week, and for three days members were the guests of Londen & Van Holland, one of the city’s leading independent accounting and tax firms. Partner Guido Wijnans opened the business programme on Friday morning, welcoming delegates to the Koepelkerk under the theme “Trust. Transform. Thrive.”
Guido Wijnans, Partner at Londen & Van Holland in Amsterdam, host firm of the 2026 Integra International Global Conference.
The firm and the association share a birth year. Londen & Van Holland was founded in 1994, the same year as Integra, and has grown into one of the largest independent firms in Amsterdam, with more than 100 people from 15 nationalities working under one roof.… Read More









