Important 2026 tax figures for businesses

by Megan Kosciolek, MST | Dec 30, 2025

A new year brings many new tax-related figures for businesses.

Here’s an overview of key figures for 2026.

Be aware that exceptions or additional rules or limits may apply.

Depreciation-related tax breaks

Bonus depreciation: 100%
Section 179 expensing limit: $2.56 million
Section 179 phaseout threshold: $4.09 million
Qualified retirement plan limits 401(k), 403(b) and 457 plan deferrals: $24,500
401(k), 403(b) and 457 plan catch-up contributions for those age 50 or older: $8,000
401(k), 403(b) and 457 plan additional catch-up contributions for those age 60, 61, 62 or 63: $3,250
SIMPLE deferrals: $17,000
SIMPLE catch-up contributions for those age 50 or older: $4,000
SIMPLE additional catch-up contributions for those age 60, 61, 62 or 63: $1,250
Contributions to defined contribution plans: $72,000
Annual benefit limit for defined benefit plans: $290,000
Compensation defining highly compensated employee: $160,000
Compensation defining key employee (officer) in a top-heavy plan: $235,000
Compensation triggering Simplified Employee Pension contribution requirement: $800
Other benefits limits Health Savings Account (HSA) contributions: $4,400 for individuals, $8,750 for family coverage
Health Flexible Spending Account (FSA) contributions: $3,400 Health FSA rollover: $680
Child and dependent care FSA contributions: $7,500
Employer contributions to Trump account: $2,500
Monthly commuter highway vehicle and transit pass: $340
Monthly qualified parking: $340
Miscellaneous business-related limits Income range over which the Section 199A qualified business income deduction limitations phase in: $201,750 – $276,750 (double those amounts for married couples filing jointly)
Threshold for the excess business loss limitation: $256,000 (double that amount for joint filers) — note that this is a reduction from 2025 Limitation on the use of the cash method of accounting: $32 million (also affects other tax items, such as the exemption from the 30% interest expense deduction limit)