If you are the owner of a company or an establishment, or a technician specialized in maintenance work, now you have an opportunity to expand your business and reach thousands of customers through the "Check" home maintenance program. We welcome the joining of companies, establishments, and individuals specialized in all fields of maintenance, such as electrical work, plumbing, air conditioning and refrigeration, carpentry, blacksmithing, decoration and finishing, elevator maintenance, central gas systems, and underfloor heating. What are you waiting for? Join the "Check" program.