Accounting Firm for Tax, Bookkeeping & Business Support
What Do You Do?
J.M.J. Accounting is a one-person firm offering accounting services for small and medium-sized businesses, including personal and corporate tax planning & preparation, bookkeeping, payroll, and corporate accounting services.
Founded in
1997
About J.M.J Accounting & Tax Services Inc.
Your Trusted Partner in Accounting & Tax Success
Founded in April 1997, JMJ Accounting & Tax Services Inc. brings 29+ years of accounting and tax excellence to corporations, small businesses, and owner-managed companies.
At J.M.J. Accounting & Tax Services Inc., we bring decades of accounting and tax expertise together with personalized service to support small and medium-sized businesses across Southwestern Ontario. Founded by James Vollmer in 1997, our firm has grown into a trusted financial partner known for reliable guidance, accuracy, and long-term client relationships.
Our Vision
To be a trusted accounting and tax partner that helps businesses gain clarity, stay compliant, and grow with confidence.
Our Mission
We simplify accounting, bookkeeping, tax, and financial planning with personalized support, helping business owners save time and grow with confidence.
Accounting & Tax Services for Corporations and Small Businesses
Why Choose JMJ
Why Business Owners Choose JMJ Accounting & Tax Services
At J.M.J. Accounting & Tax Services Inc., we combine decades of accounting and tax expertise with personalized service to support small and medium-sized businesses across Southwestern Ontario. Founded by James Vollmer in 1997, we are a trusted financial partner known for reliable guidance, accuracy, and lasting client relationships.
Flat-Fee
Pricing
Clear pricing discussed upfront, so clients understand the cost before work begins.
Corporate + Small Business
Expertise
Support for incorporated, owner-managed, self-employed, and growing small businesses.
Personalized
Service
Clients work with a firm that focuses on practical advice, privacy, clarity, and long-term relationships.
Convenient Document
Submission
Secure document submission makes the accounting and tax process easier for busy business owners.
Experience Excellence in Accounting
A Clear Process From Consultation to Filing
Book a Consultation
Tell JMJ about your business, accounting needs, filing deadlines, or tax concerns.
Review Your Records
JMJ reviews your documents, books, tax history, and current financial situation.
Build the Right Plan
You receive a clear accounting or tax plan based on your corporate or small business needs.
File, Support & Advise
JMJ helps with filing, compliance, reporting, and year-round guidance.
Connect with JMJ to discuss your accounting, tax, and business needs and receive professional guidance you can rely on.
Blogs
Scaling a commercial enterprise often creates an illusion of absolute financial stability. You might see your top-line revenue growing consistently
Running a business in Ontario comes with many responsibilities, and managing your finances is one of the most important. If
Setting the Foundation: Why Accurate Financial Recordkeeping Is Non-Negotiable As a business owner in London, Ontario—especially if you operate within
