Tax Write-Offs for Independent Consultant (2026)
Review common business costs for client engagements, analysis, presentations, travel, and an independent consulting practice.
This page explains general IRS rules for the 2026 tax year. It is not tax advice. Your situation may differ — confirm with a CPA or enrolled agent before you file.
Common business costs to review
A category is not automatically deductible. The cost must fit the applicable IRS rule, relate to your business, and be supported by records.
- 1
Consulting computer, presentation, and meeting equipment
Line 13 (Depreciation and section 179)
- What may qualify
- Computers, displays, presentation hardware, and other durable equipment used for paid engagements may qualify. The business-use portion may qualify for depreciation or another permitted cost-recovery treatment; personal use must be separated.
- Records to keep
- Purchase invoice, placed-in-service date, cost, business-use calculation, and any depreciation or section 179 schedule.
- 2
Workshop, presentation, and client-meeting supplies
Line 22 (Supplies)
- What may qualify
- Consumable materials used for client workshops, analysis, presentations, and deliverables may qualify. Include items used in the business that are not inventory or long-lived equipment.
- Records to keep
- Itemized receipts, payment records, dates used, and notes connecting each purchase to client or business work.
- 3
Analysis, research, presentation, and meeting software
Line 18 (Office expense) or Line 27a (Other expenses)
- What may qualify
- Business subscriptions used for analysis, research, conferencing, project management, and client delivery may qualify. Only the ordinary and necessary business-use portion qualifies.
- Records to keep
- Vendor invoices, subscription confirmations, proof of payment, service period, and business-use notes.
- 4
Consulting website, proposals, and business advertising
Line 8 (Advertising)
- What may qualify
- Ordinary promotional costs used to attract or retain business clients, such as a portfolio site, listings, printed materials, or paid campaigns.
- Records to keep
- Campaign invoices, platform receipts, dated copies or screenshots, payment records, and the business purpose.
- 5
Analysts, researchers, facilitators, and specialists
Line 11 (Contract labor)
- What may qualify
- Payments to nonemployees for ordinary and necessary services performed for the business. Worker classification and information-return rules still apply.
- Records to keep
- Contracts, invoices, payment records, completed Forms W-9, and any required information-return records.
- 6
Business insurance
Line 15 (Insurance other than health)
- What may qualify
- Premiums for ordinary business coverage, such as general liability, professional liability, or coverage for business equipment. Personal coverage is not included.
- Records to keep
- Policy declarations, premium invoices, proof of payment, coverage dates, and allocation for any mixed use.
- 7
Legal, bookkeeping, and tax-preparation help
Line 17 (Legal and professional services)
- What may qualify
- Professional fees directly related to operating the business, including the business portion of legal, accounting, and tax-preparation work.
- Records to keep
- Engagement letters, invoices describing the work, proof of payment, and allocation between business and personal services.
- 8
Consulting office, meeting room, or coworking rent
Line 20b (Rent or lease — other business property)
- What may qualify
- Rent paid for business property you do not own, such as a studio, office, coworking desk, treatment space, or storage area used for the trade.
- Records to keep
- Lease or membership agreement, invoices, payment records, dates of use, and documentation of the business purpose.
- 9
Business phone and internet use
Line 25 (Utilities) or Line 27a (Other expenses)
- What may qualify
- The substantiated business portion of phone, data, and internet service. The base cost of the first residential phone line is generally not deductible.
- Records to keep
- Monthly bills, proof of payment, a reasonable business-use calculation, and notes supporting the allocation method.
- 10
Business vehicle use
Line 9 (Car and truck expenses)
- What may qualify
- Eligible business driving, such as driving to client sites, workshops, meetings, conferences, and temporary business locations. Normal commuting and personal mileage do not qualify.
- Records to keep
- Contemporaneous mileage log with dates, destinations, business purpose, miles, and total annual vehicle mileage, plus vehicle expense records if using actual costs.
- 11
Business travel away from home
Line 24a (Travel)
- What may qualify
- Ordinary and necessary transportation and lodging while traveling away from the tax home primarily for business. Personal portions must be separated.
- Records to keep
- Itinerary, lodging and transportation receipts, payment records, business purpose, dates, destination, and allocation of personal days or costs.
- 12
Qualifying home office
Line 30 (Expenses for business use of home)
- What may qualify
- A space that meets the IRS business-use tests, commonly including exclusive and regular use as a principal place of business. Limitations and exceptions may apply.
- Records to keep
- Workspace measurements, photos or floor plan, home expense records, Form 8829 or simplified-method worksheet, and evidence of regular business use.
Estimate three common tax inputs
Use these planning tools with your own records, then confirm the result before filing.
Invoice template for Independent Consultant
Create a client-ready invoice, keep your income records organized, and preserve a clear trail for tax-time review.
This page explains general IRS rules for the 2026 tax year. It is not tax advice. Your situation may differ — confirm with a CPA or enrolled agent before you file.
Last reviewed October 21, 2026 · Sources: IRS.gov · Editorial team: Eonebill Editorial Team