The “I plus I – Iliya Pampurov” sole trader was established in Sofia in 1991. Since its creation the company has developed its own style of work, relying on a non-standard way of thinking and a sensible compromise between technical performance and price. As a result of this, the ideas of the clients are turned into good engineering solutions. The activities of the company are in the field of heating and air conditioning installations, water supply and sewerage, and construction of single-family houses.