装修公司 (zhuāngxiūgōngsī): interior renovation company

Buying a 毛坯房 (máopīfáng, 'rough/bare-shell apartment' — unfinished concrete shell) is the norm in mainland China, so hiring a 装修公司 to do floors, walls, kitchen, and bathroom is a major project for new homeowners. 全包 (fully-managed) vs 半包 (semi-managed) vs 清包 (you supply materials) are the three contract models.

usage

Distinguish 装修 (zhuāngxiū, interior fit-out/renovation) from 装潢 (zhuānghuáng, decorative finishing — older/Taiwan-leaning term) and 翻新 (fānxīn, full renovation of existing space). 简装 (simple fit-out) vs 精装 (premium fit-out) is also a common spec on rental and sales listings.