It develops, manufactures, licenses, supports and sells computer software, related services and video games.

Titles produced by the company include IL-2 Sturmovik, King's Bounty, Men of War and the Space Rangers series.

Part of its growth strategy was establishing joint ventures with leading and promising enterprises within the IT industry.

[7] In May 2005, 1C bought Cenega [cs; pl] (an abbreviation of "Central European games"), a Prague- and Warsaw-based publisher and distributor.

In August of the same year, a controlling stake was acquired in the restaurant business automation service Quick Resto.

In October, 1C announced the purchase of a controlling stake in the developer of the cloud-based CRM system amoCRM.

"[17] In May 2024, Ukraine's military intelligence agency claimed to have successfully carried out a cyberattack on the company, preventing Russian users from accessing business tools and databases.

[25] • 1С:AccountingSuite All-in-one business application combining accounting, cloud banking, order management, inventory, project and time tracking.

[26] • 1C:Drive System to manage operational activities, promote business development in international markets.

[28] 1C:Enterprise uses a Domain Driven Design approach to provide the specific tools needed to develop business software.

1C:Enterprise platform allows create applications for different operation systems (Windows, Linux, MacOS) and use its as a Cloud services or On-premise.

1C has a long history of funding independent developers and producing a great deal of very successful Russian games.

Since the purchase, the Cenega group has been transformed into a company for distribution, production and service under the name of 1C Entertainment, with over 400 people employed in Poland, Czech Republic, and Hungary.

1C:Enterprise platform (framework) is for rapid development, deployment and flexible customization of business automation applications in the cloud, mobile and classic desktop environments.

About 7000 franchisees in 750 cities of Russia and neighboring countries provide comprehensive service for business automation, deployment, customization and support of 1C:Enterprise-based systems, consulting, user training, etc.