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Accounting Firm

Ada Accounting & Tax Services

Hamilton accounting practice providing bookkeeping, tax preparation, HST filing and payroll to individuals and businesses

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About Ada Accounting & Tax Services

Ada Accounting & Tax Services is an accounting practice in Hamilton, Ontario, working with clients across the city and the wider GTA since 2006. Founder Ahmad Serhan, who holds the RPA designation, leads the firm and has more than two decades in the field. It supports clients throughout the year rather than only at tax time.

What Ada Accounting & Tax Services does

  • Bookkeeping: keeps accounts in order for individuals and businesses.
  • Tax preparation: prepares and files personal and business returns on time.
  • HST filing: handles sales tax returns.
  • Payroll: runs payroll for employers.
  • Business advice: helps with workflow improvements and general business questions.

Customers and markets

The firm serves individuals, small businesses and corporations in Hamilton and nearby communities in the GTA.

Key facts

  • Based in: Hamilton, Canada
  • Founded: 2006
  • Leadership: founder Ahmad Serhan, RPA

Profile written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

As of 2026-10-25. Organic ranks only; sponsored placements are never ranks.

What the business tells TrustList

Founded
2006 (20 years) evidence sent

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