SIA Montāžnieks D was established in 1994. Currently it employs more than 70 highly motivated people. The sales volume of the Company has been increasing from year to year, and today SIA Montāžnieks D is the largest window manufacturer in the Baltic States.
In May of 2007, SIA Montāžnieks D started production of wooden windows in a newly built facility in Tukums, into which the Company invested more than EUR 3.5 million. The most advanced machinery in Europe from the leading EU machinery manufacturers, careful selection of raw material suppliers, and highly skilled employees secure the highest quality of our products and satisfaction of our clients, both in the domestic market and abroad.

SIA Montāžnieks D was founded with 100% local capital. The owner of the company is Dainis Dobelis, the director is Kārlis Ķezis.

SIA Montāžnieks D obtained ISO 9001:2000 Quality Management Systems certificate at the end of the year 2004 and as a result was included in the list of the best organisations and companies, which have achieved first-rate quality in running their businesses. ISO 9001:2000 acknowledges that the quality management system of SIA Montāžnieks D is certified and complies with ISO 9001:2000 standards. In the certification process, SIA Montāžnieks D chose the company BVQI as its partner.