On 29 April 2012 Consultant Plus Company celebrated the 20th anniversary at the Gostiny Dvor, that accommodated that day 2500 people.

At the entrance guests found a volume lettering - "Consultant Plus 20", and a solemn speech of the CEO, addressed to the audience, was alternated with video broadcast of congratulations from regional colleagues, who due to the long distances could not attend the event in person. One of the most beloved and popular Russian groups - "Chaif" was responsible for the musical atmosphere and striking mood. In the evening a charming singer Elka came to congratulate the guests.