Common Tax Issues Facing Small Businesses

October 01, 2026

The numbers in a small business rarely sit still. A new hire changes payroll, a large order changes expected income, and selling to customers in another city can change sales tax duties. Each decision may be reasonable on its own, yet a tax return or agency notice can reveal that the records did not keep pace. Common trouble spots include unsupported deductions, worker classification, local sales taxes, and estimated payments. Owners can address them more effectively when they connect each tax question to the decision that created it.

The Books Do Not Explain the Expense

A card statement proves that money left an account; it may not show whether the purchase was for business or personal use. Receipts, invoices, and notes about purchases with both business and personal uses give the entries meaning. The IRS requires books that show gross income, deductions, and credits. A monthly review is easier than reconstructing a year of spending after a notice arrives.

During a business sale, incomplete records can raise a different question: who bears a tax bill discovered after closing? Our business attorney examines how the purchase agreement handles disclosures and liabilities while the parties can still revise its terms. At Reha Goodwin Caras, we review those provisions in the context of the proposed deal. If a tax concern is delaying a sale or purchase, schedule a consultation with us before the agreement is signed.

A Contractor Begins Working Like an Employee

A growing company may begin with outside contractors, then gradually assign fixed hours, provide equipment, and direct daily work. Before responding to a classification notice, bring schedules, instructions, invoices, and agreements to our tax attorney. The question is how the work actually occurred, including who supervised it and how payment was calculated. Compare those facts across workers performing similar tasks; inconsistent treatment can make an agency inquiry harder to resolve.

The contract may say “independent contractor,” but the IRS looks at behavioral control, financial control, and the relationship between the parties. Classification also affects withholding, deposits, and reporting for employees. A Littleton business should assess the full working arrangement rather than relying on a title in its records.

Sales Reach Beyond the Usual Register

A retailer that opens a delivery channel may need to revisit where it collects and files sales tax. The Colorado Department of Revenue’s guide addresses licensing, collection, filing, and recordkeeping. Some local taxes are administered by the state, while certain home-rule cities collect their own. Duties depend on the transaction and jurisdiction, so one store’s checkout settings may not cover every order. Even a familiar product may require a fresh review when the business changes how it sells or delivers it.

Expansion decisions can be reviewed in this order:

  • Identify what is sold and where the customer receives it. 
  • Check which registrations and filing procedures apply. 
  • Update checkout settings and retain records supporting the tax collected.

If a new storefront, lease, or acquisition is part of the plan, our small business attorney can review the legal terms of that change. The firm’s taxation practice addresses related legal questions.

Revenue Outpaces the Tax Set-Aside

A new contract, a change in expenses, or an owner distribution can make last quarter’s tax projection unreliable. Setting aside cash is a recurring task, particularly when revenue arrives unevenly. An accountant can recalculate estimated payments, but disagreements between owners over a tax obligation call for a review of their agreements. That is a matter our business tax attorney can evaluate alongside the transaction records.

The IRS explains that taxpayers generally pay income tax as they earn income, through withholding or estimated payments. Depending on their circumstances, sole proprietors, partners, S corporation shareholders, and corporations may have to make estimates. A late or insufficient payment can produce a penalty even when the annual return shows a refund. Comparing current results with the assumptions behind earlier payments helps reveal a shortfall before year-end.

Deal With the Specific Problem

The useful question is which business decision produced the tax concern and what the available records establish. Reha Goodwin Caras can assess the legal consequences of that decision, whether it involves a worker arrangement, a disputed transaction, or an agency notice. For help determining the next step, contact us today and tell us which issue requires attention.

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