GR Building Services- Knysna’s Ideal Building Contractors GR Building Services is the most recognized destination for high quality building and construction services throughout Knysna. We are dedicated to offering competent building services and we possess over a decade of expertise in this industry. Searching for residential and commercial solutions? Well, our team members can construct the perfect place for you. Through the years, we've taken the title of leading building contractor in Knysna on account of the efficiency, focus, quality and also good value. Commercial and Residential building Bored of living in the same place and serious about remodeling or...