Lean-M is the business founded in 2000 by Oleg Osipov, Timur Vainshtein.
According to PR-model, lean-m.ru is ranked 52,216th in multilingual Wikipedia, in particular this website is ranked 5,319th in Russian Wikipedia.
The website is placed before harunyahya.org and after unisa.it in the BestRef global ranking of the most important sources of Wikipedia.