As a family business, we have been operating on the Polish and foreign market for over 20years. Doors are produced by an experienced team of a modern factory in Będzin, equipped with an excellent machine park, with the support of our own design and construction office. We also provide comprehensive consulting and training services. We export our products, refined in every detail, to many European countries.

  • 2022

    We are changing the legal form of the company to a limited liability company.

  • 2021

    We are introducing a new brand Leon Premium to Leon's portfolio. These are selected products from Leon's offer with new finishes and improved technology.

  • 2020

    The company's development is supported by EU subsidies, which we actively use by expanding our research center and equipping it with modern testing machines.

  • 2019

    Leon is implementing a project co-financed from European Funds. "Construction of a Research and Development Center for the development of the range of sliding and hinged doors."

  • 2018

    Purchase of new modern machines for the production plant in order to partially automate production and further development.

  • 2017

    There is a clear division of products from the Leon portfolio under three brands: Systems Complete, Leon and TBL by Leon - a combination of an aluminum door frame with an aluminum frame leaf.

  • 2016

    The Leon company, protecting its intellectual property, submits further solutions to the Patent Office of the Republic of Poland.

  • 2015

    This year LEON celebrates its 15th birthday. From the beginning, the company has been a leader among producers of aluminum frames and systems for sliding doors.

  • 2013

    Expansion of the company - creating a modern office and exhibition center, the purpose of which is to promote the company's products.

  • 2012

    Purchase of the latest generation machining centers and expansion of products with a new range of door frames.

  • 2011

    Launch of new "Spazio" sliding door systems.

  • 2010

    Introduction of a new product group called "Sara- invisible door frame".

  • 2009

    The separation of a new entity from the enterprise, operating on the industrial chemistry market, under the WiM brand (cooperation with Atlas). Shaping the common LEON brand, including the Classic collections - Sliding Doors and Premium - Aluminum Doors.

  • 2008

    Development and promotion of a new brand of the company under the name "LEON".

  • 2007

    The company is equipped with another modern production hall.

  • 2006

    Constant expansion of the assortment, simultaneous modernization of the machine park.

  • 2004

    Launch of a new collection - Leon Premium - Aluminum Doors, with aluminum frames as the main element. Construction of another production plant in Będzin.

  • 2003

    Dynamic expansion of the sales network - the beginning of cooperation with showrooms.

  • 2002

    Extensive expansion into foreign markets - sales of products to the Czech Republic, Slovakia, Romania, Spain, Russia, Lithuania, Belarus, Ukraine and Hungary - thanks to the employment of a trade manager for exports, we were able to expand the sales network in these countries.

  • 2001

    Constant development of the company and expanding the range - creating innovative systems for sliding doors with additional accessories; creation of the Leon Classic collection - SLIDING DOORS.

  • 2000

    Opening of a new plant - a production hall in Będzin.

  • 1999

    Formed native enterprise WiM S.C. - starting the production of our own sliding systems - both wall-mounted and hidden in the wall.

  • 1996

    Entering the market - initially, the main domain of the company's activity is the import of high-class sliding door systems from Italy.