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Accounting Firm

COS Accounting & Tax

US tax and accounting practice focused on 1099 independent contractors and small businesses

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About COS Accounting & Tax

COS Accounting & Tax is a US accounting practice built around self-employed people paid as 1099 independent contractors. It helps them prepare for income and self-employment tax, set up the right business structure and keep payroll filings in order, while also taking on small firms and personal tax clients.

Services

  • Tax returns: annual income tax returns for contractors, small businesses and individuals.
  • Tax planning and consultations: advance planning so self-employed clients are not caught out at filing time.
  • LLC and S-Corp set-up: forming companies and electing S-Corp status, with regulatory guidance.
  • Payroll filings: quarterly payroll, withholding and unemployment insurance filings, plus live payroll.
  • Bookkeeping: keeping expense records organised through the year.

Customers and markets

Its main clients are 1099 contractors in trades such as door-to-door marketing, construction, pest control, solar and energy upgrades, rideshare driving, cosmetology and personal training.

Key facts

  • Owner: Trent Evans, senior tax accountant
  • Specialism: S-Corp set-ups for independent contractors

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

Categories & features

Rankings

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

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