Bookkeeping Permit Requirements in Casper, WY

Complete permit and license guide for starting a bookkeeping in Casper, Natrona County, Wyoming.

Verified 2026-09-07 6 stops $75–$250 est. 1–3 weeks to register business and obtain all required licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. Key agencies and fees on this page were re-checked against official government sources on .

Federal — start here

2 stops

  1. EIN (Employer Identification Number)

    Required if you have employees or operate as an LLC or corporation. Free from the IRS, obtained instantly online. Sole proprietors without employees may use their SSN, but an EIN is recommended for privacy and professional credibility.

    Official government source

    FreeImmediate (online application)

  2. IRS Preparer Tax Identification Number (PTIN)

    Required for any paid preparer who prepares or assists in preparing federal tax returns for clients. If your bookkeeping practice includes any federal tax return preparation, you must obtain and renew your PTIN annually. Bookkeeping-only services (no tax return preparation) do not require a PTIN.

    Official government source

    FreeImmediate (online at IRS.gov)

State of Wyoming

2 stops

  1. Wyoming Business Registration

    Bookkeeping and accounting service businesses operating in Wyoming must register with the Wyoming Secretary of State (or equivalent) if structured as an LLC, corporation, or partnership. Sole proprietors operating under a trade name must file a DBA (Doing Business As) registration with the state or county clerk. An LLC is strongly recommended for liability protection.

    Official government source

    $100 LLC Articles of Organization; $100 trade name (DBA) — WY Secretary of State fee schedule1–5 business days (online filing)

  2. Wyoming Sales/Use Tax Registration (if applicable)

    Bookkeeping and accounting services are generally not subject to sales tax in most states as a professional service. However, if the business sells any tangible goods (e.g., software on physical media, printed reports) or if Wyoming specifically taxes business services, a seller's permit or sales tax license may be required. Verify with the Wyoming Department of Revenue.

    Official government source

    $60 one-time sales/use tax license fee (W.S. § 39-15-106(a))Immediate–1 week (online)

City of Casper / Natrona County

2 stops

  1. Casper Business License (not required for bookkeeping)

    Casper does not require a general business license, business tax certificate, or occupational license. The city licenses only specific business types (junk dealers, pawnshops, itinerant merchants, secondhand dealers, hotels/rooming houses, taxicabs); bookkeeping and accounting services are not among them, so no city license is needed to operate.

    Official government source

    $0 (no general business license in Casper)Not applicable

  2. Casper Home Occupation Standards (no permit required)

    Casper does not require a Home Occupation Permit. A home occupation is a permitted use by right in any residential zoning district, subject to standards in Casper Municipal Code Section 17.12.140: only residents of the premises may work in the business, it may occupy no more than 25% of the dwelling (including accessory buildings), no exterior changes or outside storage, no dust, smoke, excessive noise, or traffic attraction, and only a non-illuminated identification sign up to 1 square foot. A home-based bookkeeping business simply complies with these standards; there is no application or fee.

    Official government source

    $0 (no permit exists)Not applicable (no application process)

Terminus

Open for business — est. $75–$250 · 1–3 weeks to register business and obtain all required licenses

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