Fairs with participation by Optigrün
| Country | City | Event | Date | Exhibitor | Hall / Booth | |||||
| England | Manchester | Specifi: Landscape | postponed | Optigreen Ltd. | n/a | |||||
| Netherlands | Houten | Vakbeurs Klimaat | 21/11/2020 | Optigrün Benelux | n/a | |||||
| England | London | Specifi: Architecture | 24/11/2020 | Optigreen Ltd. | n/a | |||||
| Germany | Munich | BAU 2021 | 11-16/01/2021 | Optigrün | n/a |
