About Daniella Guido, Barrister & Solicitor

Daniella Guido, Barrister & Solicitor is a solo criminal defence practice based in Newmarket, Ontario, serving York Region and Simcoe County. Guido holds an Honours Bachelor of Arts in Criminology and Sociology from York University and a Bachelor of Laws from the University of Leicester. Guido articled at a litigation firm in Toronto, then began practicing alongside other criminal defence lawyers, and now runs an independent practice from an office on Yonge Street in Newmarket, close to the York Region courthouse.

The practice covers criminal matters at every level of court, including bail hearings, drug charges, domestic assault, property offences, driving offences, weapons charges, and violent offences, along with Gladue and Indigenous proceedings and mental health related matters. Guido also serves as the York Region director on the Criminal Lawyers' Association's board of directors.

Practice areas

Milestones & recognition

  • Guido holds an Honours Bachelor of Arts in Criminology and Sociology from York University and a Bachelor of Laws from the University of Leicester.
  • Guido serves as the York Region director on the Criminal Lawyers' Association's board of directors.

In the community

  • Guido sits on the Criminal Lawyers' Association's Membership Committee and Mental Health Committee.
  • The practice handles Gladue and Indigenous sentencing proceedings, and Guido has worked with Indigenous communities across York Region and Simcoe County.
  • Guido is a member of the York Region Law Association and the Durham Region Law Association.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

Who handles what

The neighbourhood

The office is on Yonge Street in Newmarket, close to the York Region courthouse at 50 Eagle Street West, home to the Ontario Superior Court of Justice and handling criminal trials, bail hearings, and applications for the region. That proximity fits a practice built entirely around criminal defence. The practice serves clients across York Region and into Simcoe County, rather than just the town of Newmarket itself.

Frequently asked questions

Does Daniella Guido handle bail hearings?
Yes. The practice arranges station releases, prepares sureties, and represents clients at court release hearings, including bail reviews and appeals to the Superior Court.
What areas does the firm serve?
The practice is based in Newmarket and serves clients across York Region and into Simcoe County.
What kinds of criminal charges does the firm defend?
The practice covers bail hearings, drug charges, domestic assault, property offences (theft, mischief, break and enter), driving offences, weapons offences, and violent offences such as assault and robbery.
Does the firm handle Gladue and Indigenous sentencing matters?
Yes. The practice handles Gladue and Indigenous proceedings, and Guido has worked with Indigenous communities across York Region and Simcoe County.
What if I can't afford a private lawyer?
Daniella Guido accepts Legal Aid Ontario certificates from clients who qualify.
How are fees structured?
Retainers can be arranged as a block fee or an hourly rate. The estimate is based on the complexity of the matter and the time it's expected to take, and fees are adapted to a client's needs and budget.

Where to find them

16775 Yonge Street, Suite 300, Newmarket, Ontario L3Y 8J4 · 888-550-6265

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Listing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗