It was their best attendance yet in their sixth annual conference.
Speakers included Peter Pith from Pieterpikzonen, which is a century old Dutch seed packet producer supplying 100m packets a year, on the history of the industry and increased mechanisation.
Takii Europe vegetables sales manager Takahiro Ando spoke on the rise in interest in oriental seeds.
David Arnold, formerly of Suttons, was conference moderator.
The event included a tour of the Takii seed factory, which was celebrating 25 years of Takii Europe and 175 years of the company.