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Tax Services for Outside Sales Professionals

Mostly 1099. Mileage, home office, client entertainment, and quarterly estimated payments are the levers.

Katie Gorles
Written by
Katie Gorles
Updated July 6, 2026
Your industry worksheet
Outside Sales (PDF, 64 kb)
Our P&L worksheet for your profession.

Deductible expenses

Outside sales professionals typically have high mileage, travel, and client entertainment costs. All are deductible when properly documented.

  • Vehicle mileage (typically 20,000+ miles per year for sales roles)
  • Client meals (50% deductible)
  • Travel and lodging for business
  • Home office (if exclusive and regular use)
  • Phone, internet, sales software
  • Marketing materials and conferences

W-2 reps and the accountable plan

W-2 outside salespeople lost unreimbursed employee expense deductions federally through 2025, which makes the employer's reimbursement policy the whole game. An accountable plan (you substantiate mileage and receipts, the employer reimburses tax-free) is worth more than a taxable car allowance of the same size. If your employer offers a choice, take the accountable plan. If they don't have one, it's worth asking for.

A mileage log that holds up

Mileage is the number the IRS challenges first. A contemporaneous log (an app or a notebook, either works) showing date, destination, purpose, and miles is what survives review. The drive from home to the first appointment and from the last appointment home can count when a qualifying home office is the base of operations. Pure commuting to a single fixed office never does.

The home office as base of operations

Outside sales is one of the professions where the home office rules genuinely help: if the administrative side of the job (scheduling, CRM updates, quotes, follow-up) happens in a space used exclusively for the business and there's no other fixed office, the home office qualifies. Beyond the deduction itself, it converts the first and last drives of the day into business miles, which is often worth more than the office deduction.

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Quarterly estimates

1099 commission income requires quarterly estimated payments. Without them, you face underpayment penalties and a large April balance. We calculate and schedule the quarterly 1040-ES payments.

When commissions justify an S-corp

Independent reps with consistently strong 1099 commissions face the same math as real estate agents: an S-corp election splits income into salary plus distributions and trims payroll tax. Below that level, the added cost of payroll and corporate filings isn't worth it. We model the break-even on your actual commission history before recommending anything.

Common questions

Are client meals fully deductible?
Generally 50% deductible. The 100% rule during COVID has reverted.
My employer pays a monthly car allowance. Is that taxable?
A flat allowance without substantiation is taxable wages. Reimbursements under an accountable plan, where you document the miles, are tax-free. The paperwork determines the treatment, not the label.
How much should I set aside from each commission check?
For 1099 reps, a percentage sized to your bracket plus self-employment tax, paid in through quarterly estimates. We set the number once and adjust midyear if commissions swing.
Can I deduct anything as a W-2 salesperson?
Federally, unreimbursed employee expenses are suspended through 2025, so mostly no. That's exactly why the reimbursement arrangement with your employer matters more than the return itself.

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