SWINN has its origins in Konstruktieburo Smit in Waddinxveen, which was founded by Frits Smit in 1973.

The name was changed to SmitWesterman after Jaap Westerman joined the company in 2000. In 2014 Boris Nieuwpoort joined the company and the name changed to SWINN.

As Jaap Westerman's successor, Hushang Ulfati joined the board in 2018 and Jaap left the company at the end of 2021. Since 2022, SWINN is being managed by Boris Nieuwpoort and Hushang Ulfati.