Grupa PSB is a Polish building and home-improvement retail group serving customers undertaking construction, renovation, and home and garden projects. Its range spans essential building materials, including cement, lime, wall and ceiling systems, roofing, insulation, timber, and construction chemicals, as well as windows, doors, garage doors, and drainage products. For installation and home systems, the offer includes plumbing supplies, electrical goods, ventilation and air-conditioning components, heating equipment, water heaters, solar systems, and heat pumps.

Customers can also find interior-finishing products such as tiles, paints, flooring, drywall systems, bathroom and kitchen fittings, furniture, lighting, and décor. Outdoor and garden categories include paving, fencing, terraces, plants, garden tools, irrigation, and outdoor furniture. The assortment also covers power and hand tools, workshop and construction equipment, fasteners, and workplace safety products, alongside household goods and seasonal items.

Grupa PSB provides access to its network through PSB and PSB Profi building-material depots and PSB Mrówka stores.