Doane Grant Thornton LLP is continuing to expand its presence in Southern Ontario with the addition of Gibb Widdis CPAs Professional Corporation.
Since 1995, Gibb Widdis CPAs Professional Corporation has been a trusted advisor to diverse clients across Ontario, strategically working with businesses and individuals to achieve their goals. The firm joined Doane Grant Thornton on September 1, 2025, strengthening its capabilities and delivering a broader range of services and expertise to meet the evolving needs of clients.
“Our team has built our practice on strong personal relationships and a commitment to helping our clients succeed,” says Colleen Gibb, Business Advisor, Doane Grant Thornton LLP. “Joining Doane Grant Thornton allows us to offer even more specialized expertise and support, while staying true to the values that have defined us from the start. I’m excited for the opportunities this brings to our clients and our team.”
The team looks forward to continuing to serve the community from Doane Grant Thornton’s new Ancaster office.
Address
104 – 1425 Cormorant Rd
Ancaster ON
L9G 4V5
T +1 905-648-4422
E generalinquiries@doane.gt.ca
Office hours: 9:00 a.m. – 5:00 p.m.
About Doane Grant Thornton LLP
Doane Grant Thornton LLP is a leading Canadian accounting and business advisory firm providing accounting, assurance, tax, and advisory services to private and public organizations. We help dynamic organizations unlock their potential for growth by providing meaningful, actionable advice through a broad range of services. Doane Grant Thornton LLP is a Canadian member of Grant Thornton International Ltd, whose member and correspondent firms operate in more than 130 countries worldwide.
Press release
Gibb Widdis CPAs Professional Corporation joins Doane Grant Thornton LLP
02 Sep 2025
Doane Grant Thornton LLP is continuing to expand its presence in Southern Ontario with the addition of Gibb Widdis CPAs Professional Corporation.
Since 1995, Gibb Widdis CPAs Professional Corporation has been a trusted advisor to diverse clients across Ontario, strategically working with businesses and individuals to achieve their goals. The firm joined Doane Grant Thornton on September 1, 2025, strengthening its capabilities and delivering a broader range of services and expertise to meet the evolving needs of clients.
“Our team has built our practice on strong personal relationships and a commitment to helping our clients succeed,” says Colleen Gibb, Business Advisor, Doane Grant Thornton LLP. “Joining Doane Grant Thornton allows us to offer even more specialized expertise and support, while staying true to the values that have defined us from the start. I’m excited for the opportunities this brings to our clients and our team.”
The team looks forward to continuing to serve the community from Doane Grant Thornton’s new Ancaster office.
Address
104 – 1425 Cormorant Rd
Ancaster ON
L9G 4V5
T +1 905-648-4422
E generalinquiries@doane.gt.ca
Office hours: 9:00 a.m. – 5:00 p.m.
About Doane Grant Thornton LLP
Doane Grant Thornton LLP is a leading Canadian accounting and business advisory firm providing accounting, assurance, tax, and advisory services to private and public organizations. We help dynamic organizations unlock their potential for growth by providing meaningful, actionable advice through a broad range of services. Doane Grant Thornton LLP is a Canadian member of Grant Thornton International Ltd, whose member and correspondent firms operate in more than 130 countries worldwide.