Contractor (classified company or institution) is required to execute and complete villa works in North Riyadh, including: Completing finishing (gypsum, paint, tiles, window installation) Converting ground floor air conditioning from split to central air conditioning Constructing a separate external staircase (enclosed) Constructing an annex Requirements: Proven experience in similar projects (villas + central air conditioning) Submitting documented previous work samples Site visit before pricing Submitting a detailed technical and financial offer Adherence to a clear timeline Providing written guarantees on works (air conditioning, insulation, electricity, plumbing) Signing an official contract that includes execution stages and payments linked to completion