If you are a small business who has a tight budget, then here is a solution for you. You can convinently find web designer on online marketplaces, such as Upwork, Fiverr, and Freelancer. These marketplaces allow you to search for designers by skill set, location and according to your budget. For a low-cost web design you can browse Fiver gigs and hire the suitable candidate under your budget. Apart from Fiver, Upwork has good offers for affordable web designing services.
May be try Linkedin. It is one of the most underrated platform in Pakistan.
You can certainly look on Fiver. It is a trust worthy platform.