Quebec directory

Tax Law Firms in Québec, Quebec

25 law firms.

What does a tax lawyer do?

Tax lawyers advise on income tax, GST/HST, disputes with the Canada Revenue Agency, and the tax side of business deals and estate planning, and they represent clients in tax appeals.

Income tax is mostly federal, administered by the Canada Revenue Agency, with provincial tax layered on top for certain matters.

How do you choose the right firm in Québec?

Ask whether the firm handles planning, disputes, or both, and how it'll work with your accountant so advice and filings stay aligned.

LawOnline lists 25 tax law firms in Québec, Quebec. You can confirm any lawyer's standing on the Barreau du Québec directory. Browse the tax law firms in Québec below.

Alepin Gauthier Avocats

4 lawyers · Est. 1978

Alepin Gauthier is a family-run law firm based in Laval, Quebec, founded in 1978 by François Alepin. It has grown to more than 120 team members across four Quebec offices (Laval, Vieux-Montréal, downtown Montreal, and…

Business & Corporate LawBusiness & Corporate LawFamily LawFamily LawBankruptcy & InsolvencyBankruptcy & InsolvencyCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution

BCF Avocats d'affaires (BCF Business Law) is a business law firm headquartered in Montreal, with an additional office in Quebec City and an affiliate office in Paris. The firm says it has more than 560 people, includi…

Business & Corporate LawBusiness & Corporate LawEmployment & Labour LawEmployment & Labour LawReal Estate LawReal Estate LawTax LawTax Law

Blanc Notaires d'affaires is a multidisciplinary business-law practice in Québec City combining notaries, lawyers and tax specialists. The firm describes its team as working collaboratively across legal and tax matter…

Business & Corporate LawBusiness & Corporate LawTax LawTax LawNotary & Commissioner ServicesNotary & Commissioner Services

Cain Lamarre

277 lawyers · Est. 1877

Cain Lamarre is a full-service Québec law firm founded in 1877, with about 300 legal professionals across 15 offices spanning the province, from Montréal and Québec City to the Saguenay-Lac-Saint-Jean, Abitibi-Témisca…

Business & Corporate LawBusiness & Corporate LawConstruction LawConstruction LawEmployment & Labour LawEmployment & Labour LawFamily LawFamily Law

DBL Avocats d'affaires is a boutique business law firm in Québec City that has served local companies for more than 15 years. The firm advises on mergers and acquisitions, business succession, corporate reorganization…

Business & Corporate LawBusiness & Corporate LawTax LawTax LawWills, Estates & TrustsWills, Estates & TrustsCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution

Desjardins Riverin Avocats

5 lawyers · Est. 2019

Desjardins Riverin Avocats is a Québec City litigation firm founded in 2019 by Olivier Desjardins. The firm advises individuals and businesses in civil and commercial law, real estate, criminal and penal law, discipli…

Civil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionReal Estate LawReal Estate LawCriminal DefenceCriminal DefenceAdministrative & Regulatory LawAdministrative & Regulatory Law

Évolution avocats fiscalistes is a Québec City tax law practice serving business clients. Its stated services include structuring the sale or purchase of a business, corporate reorganizations, shareholder transitions,…

Tax LawTax LawBusiness & Corporate LawBusiness & Corporate Law

Fasken Martineau DuMoulin LLP

19 lawyers · Est. 1863

Fasken is a leading international law firm with over 900 lawyers across eight Canadian offices plus London and Johannesburg. Its Toronto office was founded in 1863, and the firm is widely recognized for its mining, en…

Business & Corporate LawBusiness & Corporate LawEmployment & Labour LawEmployment & Labour LawTax LawTax LawAdministrative & Regulatory LawAdministrative & Regulatory Law

Gagné Letarte

8 lawyers · Est. 1958

Gagné Letarte is a general-practice law firm established in Québec City in 1958. It advises clients across civil law, business law, public and administrative law, labour law, family law, and Indigenous law, and is aff…

Civil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionConstruction LawConstruction LawReal Estate LawReal Estate LawWills, Estates & TrustsWills, Estates & Trusts

Grinhaus Law Firm

10 lawyers

Grinhaus Law Firm is a boutique, business-focused law firm in Toronto that handles corporate and commercial law, tax and estate structuring, real estate, and areas like Web3 and blockchain advisory. It also facilitate…

Business & Corporate LawBusiness & Corporate LawTax LawTax LawReal Estate LawReal Estate LawWills, Estates & TrustsWills, Estates & Trusts

Groupe RDL is a multi-office professional-services group in Quebec's Centre-du-Québec and Mauricie regions, combining an accounting division (Solutions comptables) with a legal division (Solutions juridiques) of avoca…

Business & Corporate LawBusiness & Corporate LawTax LawTax LawWills, Estates & TrustsWills, Estates & Trusts

KSA Avocats + Notaires

13 lawyers · Est. 2020

KSA Avocats + Notaires is a Quebec network of law and notarial offices formed from the merger of four practices under a common brand in 2020: KSA Avocats (founded in Lévis), Leblanc Martin notaries of Trois-Rivières (…

Business & Corporate LawBusiness & Corporate LawReal Estate LawReal Estate LawConstruction LawConstruction LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution

La Firme Avocats

11 lawyers · Est. 2018

La Firme Avocats is a general litigation firm founded in 2018 by François-David Bernier as the successor to Baron Lafrenière Avocats, which Bernier founded in 2011. The firm practises criminal, family, and administrat…

Criminal DefenceCriminal DefenceFamily LawFamily LawAdministrative & Regulatory LawAdministrative & Regulatory LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution

Labadie Carrier Guay (LCG avocats) is a Quebec City law firm formed in 2022 from the merger of Côté Carrier and L2 avocats. It has offices in Quebec City, Sainte-Foy, Baie-Saint-Paul, and Champlain, and covers civil, …

Civil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionWills, Estates & TrustsWills, Estates & TrustsConstruction LawConstruction LawTax LawTax LawLegal aidLegal Aid

Langlois Avocats

30 lawyers

Langlois is one of Quebec's largest independent law firms, with more than 325 people including over 175 legal professionals across offices in Montréal and Québec City. Practising for more than a century, the firm advi…

Business & Corporate LawBusiness & Corporate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionEmployment & Labour LawEmployment & Labour LawReal Estate LawReal Estate Law

Lavery de Billy

21 lawyers

Lavery de Billy is a Quebec law firm whose family law team was named among Canada's top family law firm teams by Canadian Lawyer in 2026. The firm has been expanding its use of artificial intelligence in legal practic…

Family LawFamily LawTax LawTax Law

Lévesque Lavoie Avocats

14 lawyers · Est. 2008

Lévesque Lavoie Avocats is a Québec City law firm founded in 2008 by Bruno Lévesque and Marco Lavoie, organized around business law services and problem resolution (litigation). The firm emphasizes a personalized, cre…

Business & Corporate LawBusiness & Corporate LawTax LawTax LawReal Estate LawReal Estate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute Resolution

Morency, Société d'avocats

71 lawyers · Est. 1970

Morency, Société d'avocats is a Quebec law firm founded in 1970, with offices in Quebec City and Montreal. Its team of lawyers and notaries serves public, private, institutional and business clients across business la…

Business & Corporate LawBusiness & Corporate LawEmployment & Labour LawEmployment & Labour LawTax LawTax LawReal Estate LawReal Estate Law

Siskinds LLP

19 lawyers · Est. 1932

Siskinds LLP is a full-service law firm founded in 1932, serving individuals, families, and businesses in southwestern Ontario and across Canada from offices in London, Sarnia, Toronto, Vancouver, and Québec City. The…

Family LawFamily LawBusiness & Corporate LawBusiness & Corporate LawPersonal InjuryPersonal InjuryClass ActionsClass Actions

SoberLawyer

1 lawyer

SoberLawyer is a solo Quebec law practice run by Pierre Morin that focuses on clients whose legal issues are connected to addiction. The firm handles criminal and penal defence, family law matters, youth protection (D…

Criminal DefenceCriminal DefenceFamily LawFamily LawTax LawTax LawBankruptcy & InsolvencyBankruptcy & Insolvency

St-Amant & Vien Avocats d'affaires is a Quebec business law firm with offices in Quebec City and Montreal. The firm's lawyers and notaries advise businesses on corporate and commercial law, tax, real estate, business …

Business & Corporate LawBusiness & Corporate LawTax LawTax LawReal Estate LawReal Estate LawImmigration LawImmigration Law

Stein Monast

46 lawyers

Stein Monast is a Québec City business law firm with a history of more than 60 years and over 60 avocats and notaires serving clients locally, nationally and internationally. Its practice spans corporate and commercia…

Class ActionsClass ActionsInsurance LawInsurance LawAdministrative & Regulatory LawAdministrative & Regulatory LawBusiness & Corporate LawBusiness & Corporate Law

Tassé Bertrand Barabé Avocats

15 lawyers · Est. 1990

Tassé Bertrand Barabé Avocats is a business law firm headquartered in Quebec City with a second office in Sherbrooke, serving Quebec businesses and entrepreneurs. Founded in 1990 by Sylvain Tassé, the firm has grown i…

Business & Corporate LawBusiness & Corporate LawReal Estate LawReal Estate LawCivil Litigation & Dispute ResolutionCivil Litigation & Dispute ResolutionBankruptcy & InsolvencyBankruptcy & Insolvency

Therrien Couture Joli-Coeur

21 lawyers · Est. 1994

Therrien Couture Joli-Coeur (TCJ) is a Quebec law firm offering legal (avocats), notarial (notaires) and business advisory services, with more than 450 staff across offices including Montreal, Laval, Quebec City and B…

Business & Corporate LawBusiness & Corporate LawEmployment & Labour LawEmployment & Labour LawAdministrative & Regulatory LawAdministrative & Regulatory LawReal Estate LawReal Estate Law