In Business since 2009, licensed in Pennsylvania (PA 077775) Niva Group LLC has been providing exceptional roofing and siding services to the Philadelphia, Bucks County and Montgomery County, PA area for years. Our unmatched customer service in combination with our premier workmanship and state-of-the-art materials, has established us as a leader in the rain gutter cleaning, repair and installation service field. Backed by our professional team of fully insured and experienced contractors, we efficiently and affordably repair, replace and... read full review »