About Thomas, Efraim LLP

Clients rate this firm highly on Google.

Thomas, Efraim LLP is a small law firm based in downtown Oshawa, in Ontario's Durham Region. It traces its history to 1978, when David Thomas returned to Oshawa after articling at a Toronto law firm and opened a practice there, first known as the Law Office of David B. Thomas, offering real estate, wills and estates, and corporate services. Thomas became known locally for meeting clients at hospitals, nursing homes, and private residences when a trip to the office wasn't practical. Leon Efraim, who earned a law degree from the University of Calgary in 2001 and worked in corporate finance and securities before serving as in house counsel and chief compliance officer for a wealth management company, started a separate corporate and estate law practice in 2013 and later took office space in Oshawa. After meeting Thomas in 2014, Efraim merged the two practices in 2015 to form Thomas, Efraim LLP, joining an established real estate practice with corporate finance and estate law experience.

Today the firm's work covers residential and commercial real estate, corporate and business law, wills and estate administration, and notary and commissioner of oaths services, along with immigration matters. It's built around accessibility: a free consultation, flat fees advertised for real estate and wills work, and mobile or after hours appointments for clients in Markham and Uxbridge who can't get to the Oshawa office.

In the community

  • Leon Efraim serves as a director on the board of the Ontario Philharmonic.
  • Efraim is a member of the AIDS Committee of Durham Region and has given presentations through the Business Advisory Centre of Durham.
  • The firm's founder, David Thomas, is a member of the Westmount Kiwanis Club in Oshawa.
  • A lawyer at the firm is a former president of the Oshawa Association for Community Living and has published articles in local newspapers.

Good to know

A person using a wheelchairWheelchair accessibleA rainbow pride heartLGBTQ+ friendlyA laptop showing a video callVirtual appointmentsA calendar with a checkmark beside a clockBy appointmentAn office interior with a desk and chairsIn-person services

Fees & payment

A price tag with a dollar signFlat feeA clipboard with a speech bubble and a no-charge dollar coinFree consultation

This firm’s lawyers at a glance

Languages on the roster
English, Filipino

Where to find them

McLaughlin Square, 50 Richmond Street East, Suite 110, Oshawa, ON L1G 7C7 · 905-576-5666

Is this your firm?

Fix or remove this listing, or add a free listing badge

Something wrong with this listing? Tell us and we’ll hide it right away while we review your request, then correct it or take it down.

Add your free listing badge

Add the free LawOnline listing badge to your website. It tells visitors you’re listed in an independent Canadian lawyer directory and links back to this profile. Being listed isn’t a certification or an endorsement, and the badge doesn’t mean we’ve checked your credentials.

LawOnline.ca Canadian Lawyer Directory listing badge

Similar firms in Durham Region

WhatAboutLaw

2 lawyers

WhatAboutLaw is a law firm that handles immigration and refugee law, real estate, business law, wills and estates, family law, and Landlord and Tenant Board matters. The firm focuses on federal court judicial reviews …

Immigration LawImmigration LawReal Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & Trusts

Goldwyn Law

2 lawyers

Goldwyn Law is an Ontario law firm with offices in Markham and Pickering, focused on real estate, corporate and commercial matters, secured lending, wills and estates, mortgage enforcement and notarial services. The f…

Real Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate LawWills, Estates & TrustsWills, Estates & TrustsNotary & Commissioner ServicesNotary & Commissioner Services

Bharath Law Professional Corporation

1 lawyer · Est. 2021

Bharath Law Professional Corporation is a Whitby-based firm serving all of Ontario in real estate, corporate, and estate matters, with services also offered in criminal defence, litigation, immigration, and employment…

Real Estate LawReal Estate LawBusiness & Corporate LawBusiness & Corporate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionWills, Estates & TrustsWills, Estates & Trusts

This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

How this data is compiled and checked · Correct or remove this listing