Starting an interior design firm in Dubai is more straightforward licensing-wise than many of the physical-premises businesses covered elsewhere on this site — it is a professional/consultancy activity that can often be licensed through mainland Dubai or several suitable free zones, without the additional health or safety approvals that regulated activities require.
Licensing options
An interior design firm can typically be licensed as a professional consultancy activity through Dubai's Department of Economy and Tourism (DET) for a mainland licence, or through a design-oriented free zone such as Dubai Design District (d3) for firms wanting that specific creative-district address, or a general free zone like IFZA or RAKEZ for a lower-cost option without the d3 address specifically.
If the firm also undertakes physical fit-out or construction work directly, rather than design consultancy alone, an additional contracting-related activity may be required — confirm whether your firm's scope includes hands-on fit-out execution or design consultancy only.
Costs and timeline
As a professional consultancy activity without special health, safety or facility approvals, an interior design firm's licensing cost and timeline are generally comparable to other consultancy businesses — model your case with this site's Business Setup Cost Calculator, and see Free Zone vs Mainland Tool to compare mainland against d3 or a general free zone for your specific client base.