- “Olstas” LLC was arranged by businessman Stanislav Kotenko in 1991; back then, main activities included the wholesale/retail trade in agricultural products and food.
- In 1997, the company entered a retail market of petroleum products. Two gas stations were built in Chernihiv.
- In 2001, Olstas was purchased by flax mill in Syadryno (Chernihiv region). Group of businessmen arranged “Olstas-Len” ALLC, which specialized in growing and primary processing of flax. As of 2005, “Olstas-Len” was among the leading national flax producers (85% of products exported to China).
- In 2007, due to flax production crisis, “Olstas-Len” sells the flax mill; main activities switched to cultivation of grain and industrial crops.
- Every year, the company extends its areas; Koryukivka grain elevator was upgraded in 2012-2013; Mena grain elevator was built in 2014-2015; modern agricultural equipment is being purchased.
- In 2016, Olstas Company Group handles 8 thousand hectares of land and has two elevators with full production cycle (52 thousand tons of simultaneous storage; grain production – 45-50 thousand tons).
- 2017 year. Koryukivka elevator was saled. 10 modern grain wagons were purchased. Mena Elevator capacity was increased to 36 thousand tons.
- 2018 year. The capacity of the Mena Elevator was increased to 48 thousand tons.
- In 2019, at the elevator was placed in operation the second drying line, finishing of grain with a capacity of 1500 tons of corn per day. The number of grain wagons has been increased to 20 units.
- In 2020, the capacity of one-time grain storage has been increased up to 55 thousand tons.
Over the past seven years, “Olstas-Len” company has grown from local agricultural enterprise to major industry player.