Cell phones used for business are deductible for the business-use percentage. This includes both the monthly plan and the device purchase. If you use your phone 60% for business, deduct 60% of your monthly plan and 60% of the purchase price.
Getting the deduction right is not just about whether it is allowed — it is about how you set it up.
Estimate the percentage of time you use the phone for business calls, emails, apps, and work-related activities vs. personal use.
Keep monthly phone bills. Note your estimated business-use percentage. For the device, keep the purchase receipt.
Apply the business-use percentage to monthly plan costs. Use Section 179 for the business-use portion of the device. Deduct on Schedule C.
Do not claim 100% if you use the phone personally. A separate business phone allows 100% deduction but is not required.
If your S-Corp provides a company phone as a working condition fringe benefit, the full cost is deductible to the corporation and tax-free to you.
When structured correctly, this deduction can significantly reduce your taxable income.
Here is how this deduction typically works in real situations:
A freelancer uses their iPhone 70% for business. Monthly plan is $100. Phone cost was $1,200.
An S-Corp provides a company iPhone to the owner as a working condition fringe benefit.
A business owner deducts 100% of their personal iPhone used primarily for personal calls and social media.
Key Takeaway: The difference between a valid deduction and a denied one usually comes down to documentation, usage percentage, and proper structuring. The same expense can be fully deductible, partially deductible, or not deductible at all — depending on how it is handled.
Yes -- the business-use percentage of the purchase price and monthly plan. If you use it 70% for business, deduct 70% of both.
No. You can use your personal phone for business and deduct the business-use percentage. A separate business phone allows 100% deduction but is not required.
Click your profession to see all the write-offs that apply to your full tax profile.
