ワンステップ Company Profile

We provide comprehensive in-house services from planning to construction and aftercare!

One Step Co., Ltd. is based in Chiba and provides various renovation works for residences, installation of solar power systems, and all-electric construction. We do not use any subcontractors or intermediaries; all processes from consultation, proposal, and estimation to construction and after-service are handled entirely in-house. By managing all processes consistently and responsibly, we can ensure satisfactory construction that accurately reflects our customers' needs.