GMS Professional

What GMS Professional does

GMS Professional (legally GMS Limited Liability Partnership, Chartered Professional Accountants, operating as GMS CPA) is a Mississauga, Ontario-based chartered professional accounting firm founded in January 2013 by Celia Meikle, CPA, CA, LPA and Ken Green, MBA, CPA, CA, LPA. The firm provides a full-service accounting, tax, audit, assurance, bookkeeping, payroll, business advisory, and financial planning offering delivered to individuals, owner-managed small businesses, and not-for-profit organizations. Its specialized client segments are charities and not-for-profit organizations, medical professionals, and real estate investors and agents.

The firm operates a subscription-style professional services model with fixed upfront pricing agreed with clients before engagement, no hourly billing, and a 3-step onboarding flow (free consultation, customized action plan, implementation). Service delivery is conducted in person at the Mississauga office (5484 Tomken Road, Unit 34) or client locations in the Greater Toronto Area, and virtually via cloud-based accounting platforms and real-time collaboration tools for clients across Ontario. The technology stack comprises standard cloud accounting and collaboration applications supporting real-time financial data access and automated workflows; no proprietary AI/ML, APIs, or product platforms are disclosed. Marketing relies on blog content, social media, educational webinars (Personal Tax, Corporate Tax, Not-For-Profit), community leadership, and referral-based word-of-mouth.

The team consists of 6 named professionals (2 partners, 1 team lead for financial reporting and bookkeeping, 1 manager for tax compliance, and 2 staff members) carrying over 30 years of combined experience with backgrounds at PwC, BMO, TD, Royal Bank of Canada, Bank of Nova Scotia, and ScotiaBank. GMS is a privately held limited liability partnership with no institutional investors, no funding rounds, and no disclosed M&A activity; it is licensed to practice public accounting by CPA Ontario.

Name

GMS Professional

Legal name

GMS Limited Liability Partnership, Chartered Professional Accountants

Website

https://gmscpa.ca

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

1–10 employees

Short description

GMS Professional is a Mississauga, Ontario-based chartered professional accounting firm offering tax, audit, bookkeeping, payroll, and advisory services to charities and not-for-profits, medical professionals, and real estate investors across Ontario via fixed-fee engagements.

Ownership category

akta.pro rank

Headquarters

HQ city

Mississauga

HQ country

Canada

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales

Revenue model

1. Professional Accounting Services: Recurring professional services including bookkeeping, payroll, tax preparation and filing, financial statement compilations, audit and assurance services, business advisory, and financial planning. Revenue is generated through fixed upfront pricing agreed upon with clients, with flexible pricing based on scope of services.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

GMS Professional is a full-service chartered professional accounting firm that delivers bookkeeping, payroll, corporate and personal tax preparation and filing, financial statement compilations, audit and assurance, business advisory, consultation, and tax planning services to clients in Ontario, Canada. The firm bundles these eight service lines into tailored engagements for not-for-profits, medical professionals, real estate investors, and individual professionals. Services are delivered in person at the Mississauga office or virtually using cloud-based collaboration tools.

Product overview

GMS Professional is a full-service chartered professional accounting firm offering a unified portfolio of professional services rather than a modular software platform. The core offering consists of eight integrated service lines: Advisory Only – Financial Planning, Audit Review & Other Assurance Services, Bookkeeping & Payroll Services, Business Advisory Services, Consultation Services, Corporate and Personal Taxation, Financial Statement Compilations, and Tax Planning Advice. These services are delivered as a bundled professional services engagement tailored to client needs, with supplementary educational webinars on Not-For-Profit, Personal Tax, and Corporate Tax topics. The firm serves charities & not-for-profits, medical professionals, and real estate investors & agents as specialized client segments, combining traditional accounting expertise with modern technology tools to provide timely, responsive service.

Differentiator

Problem solved

Functional benefit

Products and services

• Advisory Only – Financial Planning Strategic financial planning service that helps clients create a path toward securing their organization's future, building personal wealth, and maximizing investment returns.
• Audit Review & Other Assurance Services Assurance engagements ensuring financial records meet standards of accuracy and compliance, providing credibility to stakeholders, regulators, and investors.
• Bookkeeping & Payroll Services Comprehensive bookkeeping and payroll management that simplifies financial recordkeeping, maintains accurate records, and ensures timely employee payments with full compliance.
• Business Advisory Services Tailored insights and strategies to help clients navigate business complexities, seize opportunities, and achieve lasting success through strategic financial planning and operational analysis.
• Consultation Services Personalized, actionable financial advice tailored to unique client needs across tax, compliance, and investment planning to support informed business decisions.
• Corporate and Personal Taxation Tax preparation and filing services for both corporate and personal clients, ensuring compliance and uncovering deductions, credits, and opportunities to reduce tax burden.
• Financial Statement Compilations Professional compilation of clear, complete financial statements (balance sheets, income statements, cash flow reports) ready to support business decisions, audits, and lender reviews.
• Tax Planning Advice Proactive tax strategy development designed to protect assets, optimize returns, minimize tax liabilities, and secure long-term financial success through multi-year planning.

Quantifiable outcome

• Clients report time savings, reduced stress, and ability to focus on core business activities
• +1 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Five partnerships are on record, tiered core and minor.

• CPA OntariocoreOthersGMS partners are licensed to practice public accounting by the Chartered Professional Accountants of Ontario. Celia Meikle serves as a facilitator and marker for CPA Ontario, and is a part-time professor at Seneca College. The firm operates under CPA Ontario professional standards.
• Seneca CollegeminorStrategic or Co-development PartnerPartner Celia Meikle serves as a part-time Professor at Seneca College, contributing to accounting education and professional development.
• The Excellence ConferenceminorOthersPartner Celia Meikle chairs the annual Excellence Conference and serves on its board, demonstrating community leadership and educational outreach to Black business owners.
• Waterdown Chess ClubminorOthersPartner Ken Green serves on the board of Waterdown Chess Club and acts as a chess instructor, demonstrating community service and youth development involvement.
• Hallelujah House MinistriesminorOthersGMS partners volunteer their time and services with Hallelujah House Ministries, a community organization.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• KPMG Canada: Big Four professional services firm operating across Canada with tax, audit, and advisory practices. Represents the upper-end incumbent competitor against which boutique firms like GMS position on personalization and pricing.
• PwC Canada: Big Four accounting and advisory firm with full-service offerings across tax, audit, and consulting in Canada. GMS co-founders trained here, and PwC serves overlapping client segments at enterprise scale.

Emerging players

• Pilot.com: US-based tech-enabled bookkeeping, accounting, and CFO services firm for startups and SMBs using software plus human accountants. Comparable fixed-fee subscription model and tech-stack delivery that competes for the same modern SMB customer.
• Bench Accounting: Tech-enabled bookkeeping and accounting platform targeting SMBs in North America with subscription pricing. Represents the technology-disruption competitor that could pressure GMS's bookkeeping and basic accounting margins.

Direct peers

• Davidson & Company LLP: Canadian chartered accounting firm providing audit, tax, and advisory to private enterprises and not-for-profit organizations. Comparable boutique CPA model with similar Canadian-market focus.
• Crowe Soberman LLP: Mid-market Toronto-based chartered accounting firm providing tax, audit, advisory, and bookkeeping to owner-managed businesses and professionals. Comparable boutique positioning to GMS in the same geography.
• Fuller Landau LLP: Toronto-based mid-market CPA firm with established not-for-profit, real estate, and private enterprise practices. Closely mirrors GMS's vertical specialization and boutique service model.
• Smythe LLP: Vancouver-based chartered professional accounting firm serving owner-managed businesses, real estate, and not-for-profit organizations. Comparable full-service CPA model with similar vertical exposure.
• BDO Canada: National Canadian accounting and advisory firm serving SMBs, not-for-profits, and professionals with tax, assurance, and consulting services. Overlaps with GMS's vertical mix, especially not-for-profit and small business segments.
• MNP LLP: Large Canadian chartered professional accounting firm offering tax, audit, advisory, and bookkeeping services to mid-market and SMB clients across Canada. Directly comparable to GMS in service mix and Canadian-market focus, though at materially larger scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xtwitter.com/GMSCAfirm
• Facebookfacebook.com/gmscharteredaccountants
• LinkedInlinkedin.com/company/green-meikle-&-smith-chartered-accountants

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GMS Professional