Production and construction company since 1991
We have accumulated unique experience in implementing projects in construction, metal structures, machine building, chemical and mining industries, and other industrial sectors.

About us

Lenmontag, a Limited Liability Company was established in St. Petersburg, Russia, in the year 1991. Today, Lenmontag Group stands as one of the largest heavy industry company in St. Petersburg and well known in the North-Western region of Russia as a construction, production and engineering firm.

  • 30
    years of service
    30 years of service
    Lenmontag Group was established in St. Petersburg, Russia, in year 1991
  • 126
    accomplished projects
    126 accomplished projects
    We have accomplished more than 120 construction projects during our history
  • 16
    regions of Russia
    16 regions of Russia
    We provide construction services not only in our home North-Western Region, but across entire Russian Federation
  • 2000
    2000 employees
    Our company enjoys partnership with more than 2000 construction professionals
Lenmontag History
  • 353 640
    tons of steel structures
    353 640 tons of steel structures
    Lenmontag Steelworks provides its clients with building and bridge structural metal components
  • 4
    industrial facilities
    4 industrial facilities
    Lenmontag Group encompasses four production facilities and plants in St. Petersburg and Leningrad Region
  • 429
    units of machinery and equipment
    429 units of machinery and equipment
    Our holding possesses more than 40 units of heavy construction machines and trucks
  • 83
    industrial projects
    83 industrial projects
    We have successfuly performed at more than 80 industrial construction projects


Услуги технического заказчика в СПб

Technical Customer

Lenmontag company provides the services of a Technical Customer in St. Petersburg, the Leningrad ...
Генеральный подряд при строительстве зданий

General contractor

Partnership with a general contractor in construction project provides the customer with guarante...
Монтажные работы

Montage and installation works

Lenmontag Montage Department provides services for the assembly and on-site installation of metal...
Общестроительные работы

Construction works

Lenmontag Civil Works Department performs full range of general construction works in St. Petersb...

Steel frames production

Lenmontag Steelworks manufactures construction steel elements, building frameworks and bridge spa...
Монтаж инженерных сетей

Utilities and engineering

Lenmontag company is engaged in the installation of utilities and supply lines in residential, in...


Happy New Year 2024
Happy New Year 2024

Dear colleagues and partners!

Lenmontag Group wishes you a Happy New Year and Merry Christmas!

Happy New Year!
Happy New Year!

Lenmontag Group company congratulates dear employees, colleagues and partners with the New Year!

We thank you for another year of productive and painstaking work that invariably leads to mutually beneficial results.

We wish you, friends, good health and success in all aspects of life!

We hope that 2023 will open the way to new achievements and bring you only positive emotions!


Your Lenmontag Group

Мэр Мариуполя запустил первую восстановленную нами котельную
The mayor of Mariupol launched the first boiler house we restored
The mayor of Mariupol launched the first boiler house we restored

As part of preparations for the heating season, the mayor of Mariupol launched the first boiler house renovated by Lenmontazh LLC. Heat supply to 17 houses of this microdistrict is started. Work is underway on 32 boilers, which will also be launched for the heating season, a total of 732 homes will receive heat.