FRONT PAGE CURRENT AFFAIRS SERVICES REFERENCES COMPANY CONTACT INFORMATION search Other services Our goal is to offer our customers extensive and high-quality construction services from a single address. We also have expertise in, for example, renovating old buildings. SHOW MORE REFERENCES> An example of our other services The foundations of the old barn were renovated at the Keuda office in Mäntsälä Repair of old foundations The oldest building in Keudan's Mänsälä office was in dire need of renovation. During the renovation of the foundations of the old barn, we carried out the work in a spirit that suits the spirit but in a modern way. This is how the old building got many extra years. Client: Keuda Date of implementation: year 2019 © 2021 | Contact: toimisto@rtkarvonen.fi , tel. 0501424 | Registry and Privacy Statement

FRONT PAGE CURRENT AFFAIRS SERVICES REFERENCES COMPANY CONTACT INFORMATION search Contact information Construction work Karvonen Oy Ahertajankatu 26, 04440 Järvenpää telephone 0501424 e-mail toimisto@rtkarvonen.fi Apartment renovations: Mika Karvonen President and CEO phone 050-1424 e-mail mika@rtkarvonen.fi Renovation construction, alterations to premises, indoor air repairs: Jukka Lempinen master builder phone 050-68969 e-mail jukka@rtkarvonen.fi Harri Nordström master builder phone 0400-592902 e-mail harri.nordstrom@rtkarvonen.fi Minor repairs and construction work: Valtteri Virtanen phone 050-5954482 e-mail valtteri@rtkarvonen.fi Financial administration and office: Anne Vesa phone 044-9760763 e-mail anne@rtkarvonen.fi Billing instructions We have switched to electronic invoicing and hope to receive invoices primarily in electronic form. E-invoicing information Construction work Karvonen Oy Business ID: 2480240-3 E-invoice address: 003724802403 Operator: Maventa (003721291126) Broker ID when sending from the bank network: DABAFIHH More detailed instructions can be found below. Download our billing instructions in pdf format. © 2021 | Contact: toimisto@rtkarvonen.fi , tel. 0501424 | Registry and Privacy Statement