Modulus accounting and tax services inc is focused on helping you with your accounting needs to significantly, reduce your operating costs. We provide on-site and in-house bookkeeping services to all types of industries. Outsource your bookkeeping is one step you can save your overhead cost and eliminates, the cost and time to recruit, train and manage your employee. By outsourcing, business owner can, focus their time to grow their business in other areas.



Get your personal taxes and finances in order. We can help you get the most out of your tax returns, organize your financials and even plan for your future.

  • T1 personal income tax preparation
  • Self-employment Tax preparation
  • Financial planning
  • Tax planning
  • and more…


Focus on your business and let us handle the finance and numbers. We’ve helped numerous businesses by operating as their accounting partners.

  • Full cycle bookkeeping
  • Notice to reader financial statements
  • T2 Income Tax returns for corporations
  • Payroll administration
  • Tax compliance
  • Compile financial statements
  • HST returns/ WorkSafe BC Remittance
  • T3, T5, T4 and T4 Summary

Corporate Consultation

Need more hands-on financial consulting? We can help you set up systems and instill practices that ensure your finances are in top shape.

  • Software Implementation
  • System Implementation
  • Controllership Services
  • Business Advisory Services


We’re certified advisors of some of the most popular accounting tools on the market, and can help you be more in control of your finances.

Important Dates

About Us

Watson Cheng, CPA, CGA has been providing accounting services in the Vancouver area for 10 years. Read more »