builder; contractor; construction company
Refers to a business or professional engaged in building construction; can be a company or an individual contractor.
I asked a local builder to renovate my house.
That construction company is working on a large-scale apartment building project.
建設会社 is a broader term for a construction company, often involved in civil engineering and infrastructure, while 建築業者 specifically focuses on building construction.
大工 is a carpenter or woodworker, typically an individual craftsman, whereas 建築業者 is a business entity or contractor that manages the entire building process.
Compound of 建築 (building, construction) and 業者 (trader, contractor).