Byron Street Legal
3 lawyers · Established 2014 · Durham Region
One of 48 law firms listed in Whitby, and one of 17 handling Business & Corporate Law.
About Byron Street Legal
Byron Street Legal is a small business law firm in Whitby, Ontario, working in business and corporate/commercial law, commercial real estate, and wills, estate planning and administration. Denise Branton founded the firm as Branton Law in 2014 and rebranded it as Byron Street Legal in March 2025, after more than ten years under the original name. Branton earned a law degree from Osgoode Hall Law School in 2005, was called to the Ontario bar in 2006, and practiced in Toronto for five years before relocating to Durham Region to build the firm.
Two associates round out the legal team. Sydney Aquino, called to the Ontario bar in 2023 after an LL.B. from City, University of London and an LL.M. in Canadian Common Law from Osgoode Hall, works on incorporations, corporate reorganizations, and commercial leasing. Marshall Mayne, called to the bar in 2015, spent eight years at a corporate-commercial firm in London before joining Byron Street Legal, and now handles business purchase and sale, real estate transactions and related financings, and corporate reorganizations. Branton is also working toward a Trusts and Estates Practitioner (TEP) designation with STEP Canada, connecting the firm's estate planning work to its corporate practice.
Practice areas
Milestones & recognition
- Founded as Branton Law by Denise Branton in 2014.
- Rebranded as Byron Street Legal in March 2025, after more than ten years operating as Branton Law.
- Purchased a building on Byron Street North in Whitby in 2021 and, after renovation, moved the office there in November 2022.
- Denise Branton is working toward a Trusts and Estates Practitioner (TEP) designation with STEP Canada.
In the community
- Partners with the Rotary Club of Whitby Sunrise on local events.
- Makes an annual donation to the local food bank.
- For eight years running, has awarded a financial prize to an outstanding law student at a local high school.
- Belongs to the Whitby Chamber of Commerce, the Ajax-Whitby Board of Trade, and the Greater Oshawa Chamber of Commerce.
- Sponsors Pickleball with a Purpose, a charity tournament benefiting Their Opportunity, an organization working to remove barriers to youth access in sports.
- Associate Sydney Aquino has spoken for Durham Region's Public Legal Education Committee, including at a 'Braiding Diversity Into Justice' event.
- Associate Marshall Mayne serves on the Board of Directors of the Oshawa Historical Society.
Good to know
Wheelchair accessibleLawyers 3
This firm’s lawyers at a glance
- Called to the bar
- 2006–2023 · median 11 years in practice 3 of 3 lawyers
- Law schools
- City, University of London, Osgoode Hall Law School, Western University 3 of 3 lawyers
Who handles what
The neighbourhood
Byron Street Legal's office sits in a building on Byron Street North in downtown Whitby that dates to 1860 and, in its most recent former life, was a well known barber shop. Denise Branton bought the property in 2021, and after a renovation the team moved in during November 2022, taking the firm's current name from the street outside its door. The firm's membership in the Whitby Chamber of Commerce, the Ajax-Whitby Board of Trade, and the Greater Oshawa Chamber of Commerce reflects a practice built around business owners across Durham Region, even though the commercial real estate side of the work reaches clients throughout Ontario. Day to day, though, the firm stays close to home: a heritage storefront it restored rather than a purpose built office tower.
Frequently asked questions
- What areas of law does Byron Street Legal handle?
- Byron Street Legal focuses on business and corporate/commercial law, commercial real estate, and wills, estate planning and administration.
- Can Byron Street Legal help me buy or sell a business in Durham Region?
- Yes. The firm's lawyers work on business purchases and sales, corporate reorganizations, and shareholder agreements for business owners in Whitby and the surrounding region.
- Does Byron Street Legal handle commercial real estate outside Whitby?
- Yes. The commercial real estate practice covers acquisitions, sales, financing, and leasing for clients throughout Ontario, not only in Durham Region.
- Can Byron Street Legal help set up an estate plan alongside my business succession plan?
- Yes. The firm treats corporate and estate planning as connected, and its lawyers work with business owners on wills and estate planning alongside corporate and commercial matters.
- How long has Byron Street Legal been in Whitby?
- The firm was founded as Branton Law in Whitby in 2014 and has operated there ever since, rebranding as Byron Street Legal in March 2025.
- Where is Byron Street Legal's office and what does the building look like?
- The firm is at 113 Byron Street North in Whitby, in a renovated building that dates to 1860 and was previously a barber shop.
Where to find them
113 Byron Street, North Whitby, Ontario L1N 4M8 · 905-493-6333
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