for everyone and anyone who is passionate about the diving industry. Whether you’re a loyal attendee or this is your first DEMA Show, the Show is a MUST-attend event if you want to experience the latest industry trends and develop business and professional relationships in a face-to-face setting unlike any other.


275+ Education Sessions

26% of attendees are NEW to DEMA Show each year

85% of attendees come to DEMA Show to evaluate and demo new products

O'Three Ltd.

Portland,  Dorset 
United Kingdom
  • Booth: 2751

Fast approaching our 30th year, O'Three Limited is a company that puts its product and customer care before any talk of marketing. These two core values have been the foundation on which O'Three has built its reputation, a reputation which we are told is second to none. Manufacturers of quality dry suits, wet suits, hot water suits and neoprene accessories for recreational, technical, commercial and military divers across the globe. Come and visit us at our booth to see our latest products.