Zejn Group is a business consortium consisting of several companies. The main company of the consortium is the company Zejn Ltd. in Slovenia, which was established in 1993 and is the developer and owner of the ShakeSpeare™ software family.

ShakeSpeare™ software solutions are sold and used on the markets in Brasil, Bosnia and Herzegovina, Montenegro, Serbia, Croatia, Slovenia, Austria and Germany.

In 2018 the group is planning an expansion of business operations to Russia and China.

Zejn Ltd. is fully owned by Ernest Zejn and Aleksander Zejn, Ernest functioning as the company and group CEO and Aleksander as the CTO. Typically the company operates with local country IT partners that function as sales and integration partners, however in some countries, as for example Germany, the group also established own subsidiaries in order to be closer to their client base and provide local direct contact with the markets and partners.