eCommerce Permits & Licenses in Milwaukee, WI

Required to form LLC. Annual report also required separately.

Must be filed continuously to maintain good standing.

Valid for 5 years; renewal required. Publication in newspaper may be required in some counties.

Required for eCommerce if nexus exists (sales > $100k or 200 transactions annually per state law effective 10/1/2018).

Quarterly wage reports and contributions required after registration.

Required if withholding WI income tax from employee wages.

Often covered under Seller's Permit; separate if no sales activity.

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Required for most businesses including eCommerce if located in city; online-only may still need if storage/shipping from city

Limits traffic, employees, signage; complies with zoning code Chapter 295-202

Confirms property zoned appropriately for business use per Milwaukee Code of Ordinances Chapter 295

Required for interior alterations, electrical, plumbing per Building Code Chapter 200

Governed by Zoning Code Chapter 295-306; wall signs under 20 sq ft may be exempt

Required for storage of goods >500 sq ft per IFC Chapter 1 Section 105.6

Milwaukee Ordinance 303-71; registration required for all commercial alarms

Note Madison city has separate requirements; limits employees/traffic

Waukesha County Ordinance Section 50-52; no retail sales from home

Wisconsin law (Wis. Stat. §108.01) requires every employer with at least one employee to provide workers’ comp insurance or be approved as a self‑insured carrier.

Wis. Stat. §332.10 requires a minimum of $25,000 bodily injury per person, $50,000 per accident, and $10,000 property damage liability coverage for commercial vehicles.

While Wisconsin does not legally require general liability insurance for e‑commerce businesses, many vendors, landlords, and marketplaces require proof of coverage.

Wisconsin does not impose a statutory requirement for professional liability insurance on e‑commerce sellers unless the business is engaged in a regulated profession (e.g., accounting, legal services).

While not a legal requirement, many manufacturers, distributors, and marketplaces require sellers to carry product liability coverage.

Wisconsin does not require a surety bond solely for operating an e‑commerce LLC or for obtaining a sales‑tax permit.

Not applicable to a standard e‑commerce retailer unless it holds a Wisconsin liquor license to sell alcohol.

All LLCs with more than one member, or any LLC that will have employees, must obtain an EIN. Single‑member LLCs with no employees may use the owner's SSN, but obtaining an EIN is recommended.

Single‑member LLCs are disregarded entities for tax purposes and report on Schedule C of the owner’s Form 1040, but may elect corporate taxation.

Even if no payroll tax is due for a quarter, a zero return must be filed.

FUTA applies if the employer paid $1,500 or more in wages in any calendar quarter.

Even remote or home‑based employees are covered; OSHA standards apply to the physical work environment.

While the DOJ has not issued a specific technical standard, the WCAG 2.1 Level AA is widely accepted as best practice.

Includes requirements for native advertising, influencer endorsements, and product claims.

E‑commerce sites typically must disclose data collection, use, sharing, and provide a means to opt‑out of marketing.

Even remote employees are covered; the DOL may audit payroll records.

Employers must retain I‑9 forms for three years after hire or one year after termination, whichever is later.

Most typical e‑commerce retailers of non‑hazardous goods are not subject, but sellers of certain consumer electronics should assess EPA regulations.

Devices must be FCC‑certified; sellers are responsible for ensuring compliance of sourced products.

Additional state permits are also required; the federal basic permit is mandatory for any alcohol retailer.

Even if the product is manufactured by a third party, the e‑commerce retailer must ensure the facility is registered.

Most consumer goods are EAR‑eligible without a license, but items such as encryption software, high‑performance electronics, or certain chemicals may require a license.

Accurate Harmonized Tariff Schedule (HTS) classification is required; many e‑commerce platforms use third‑party logistics providers who handle entry filing.

File electronically via My Business One Stop. No separate state‑wide business license renewal is required for an e‑commerce LLC unless required by a local municipality.

Quarterly filing required if average monthly tax liability ≥ $100. Smaller sellers may file annually (deadline Jan 20).

LLC members report income on personal returns (Form 1). If the LLC elects corporate taxation, file Form 2.

Required if expected tax liability > $1,000 for the year.

File electronically via UI Online.

Submit via the Employer’s Compensation portal.

Other municipalities have similar requirements; verify with local city/town clerk.

Includes Minimum Wage, Unemployment Insurance, Workers’ Compensation, and anti‑discrimination notices.

Includes sales tax returns, income tax returns, payroll records, and business expense documentation.

Maintain EIN on all tax filings; no periodic renewal.

Marketplace facilitators may be required to collect and remit WI sales tax; verify each platform’s policy.