Accounting Firm

COS Accounting & Tax

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

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TrustList summary

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

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

Categories & features

Rankings

COS Accounting & Tax is ranked on 3 TrustList rankings: #5 on 1, #8 on 1 and #44 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. COS Accounting & Tax has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 3 rankings

#5of 128
Energy
It is one of 4 here listing contractors and one of 7 here listing insurance.
Its profile: “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.”
Of the top 58 here, 45 also cover tax and 35 also cover accounting; 3 also work in California and 2 also work in United States.
Behind Blue Water Consulting Inc, ahead of DATS Recruitment & CAD Services.
#8of 59
Contractors
It is one of 4 here listing energy and one of 43 here listing accounting.
Its profile: “COS Accounting & Tax is a US accounting practice built around self-employed people paid as 1099 independent contractors.”
Of the top 54 here, 22 also cover reporting and 13 also cover retail; 3 also work in York and 2 also work in Los Angeles.
Behind Cooper, Travis & Company, PLC, ahead of DATS Recruitment & CAD Services.
#44of 245
Insurance
It is one of 65 here listing tax.
Its profile: “- Payroll filings: quarterly payroll, withholding and unemployment insurance filings, plus live payroll.”
Of the top 81 here, 24 also cover legal and 21 also cover property; 3 also work in Texas and 3 also work in Melbourne.
Behind CGC & Co., ahead of CP Partners.