545 Promenade Du Centropolis #207, Laval, Québec H7T 0A3

Accountant montreal & Tax Services

State of the art accounting with easy access.
Award-winning, secure and easy to use service
to start and grow your business.

Discover all our services

Business Accounting & Tax Services Montreal



Billy Mokas CPA is committed to helping our clients, from start-up businesses, to growing businesses, to mature businesses. The work we do with them is as varied as the range of industries they represent.

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Professional accountant montreal

Through our four service selections - Assurance, Advisory, Tax and Accounting Services - we enable organizations to seize opportunities. We help them meet regulatory requirements, keep investors informed and meet the needs of stakeholders. In this ever-changing world, we equip companies to optimize their current effectiveness and foster long-term growth.

Across all service lines, Billy Mokas CPA draws on the creativity, experience, professional judgment and varied points of view that are shared within the Company. We help our clients meet their biggest challenges so they can deal with today's issues.


Our services

Full service by exceptional accountants. Our team has the expertise and experience to help your business with everything from general accounting services to specialized consulting.


Compilation mission, review mission, financial report, bookkeeping, payroll service, cloud accounting service.


Financial analysis, business start-up, sale, acquisition and merger, consultation.


Individual tax, self-employed worker, consultation, retirement plan

accountant montreal

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If you need help determining which services are right for you

We assess your existing financial structure and propose new strategies that will help you succeed in a challenging and ever-changing environment.

Our team

Billy Mokas CPA auditeur CGA et associé

Billy Mokas

CPA auditor CGA and partner

Billy Mokas

CPA auditor CGA and partner
Yvonne Yuan Personnel comptable

Yvonne Yuan

Accounting staff

Yvonne Yuan

Accounting staff
Katia Sauvageau Diegue - Personnel comptable

Katia Sauvageau Diegue

Accounting staff

Katia Sauvageau Diegue

Accounting staff

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