City Wide Group is a family owned and operated Waterproofing and Underpinning Company serving Welland for more than 50 years, as well Toronto, Niagara, and Hamilton. If you have a wet basement, concrete cracks, need interior or exterior waterproofing – we are your best choice. Our basement waterproof warranty is lifetime and fully transferable. We know how to do things right the first time! The City Wide Group is fully licensed and insured contractor, winning Consumer Choice Award for 20 consecutive years.