SOL IN ONE GmbH is a globally active service provider in the field of renewable energies. In addition to the development and ... turnkey construction of solar plants as well as corresponding services, SOL IN ONE GmbH offers total solutions for industry. Upon request, we also maintain and monitor your photovoltaic system after construction. In the meantime, we have successfully installed many large photovoltaic systems in Germany, Austria, Luxembourg, Belgium, the Netherlands, France, Poland, Great Britain, Zambia, Iran and the United Arab Emirates. Innovative ideas, detailed advice and planning as well as efficient implementation are the top priority in all projects. Our team consists of our own experienced solar installers from Germany, Romania, Lithuania and Poland. SOL IN ONE GmbH holds the company certificate ISO 9001:2015 SCC**. This certificate according to the SCC regulations (Safety Certificate Contractors) proves that our company meets the basic (occupational) safety, health and environmental protection standards (SHE). All our employees are therefore SCC certified. read more