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Master List of Business Deductions & Expenses

S-Corps • C-Corps • LLCs • Nonprofits (Form 990) • Other Entities
Operating & Administrative
Office rent or lease
$
Utilities (electric, water, gas)
$
Internet and phone
$
Office supplies
$
Postage and shipping
$
Printing and copying
$
Cleaning and janitorial services
$
Payroll & Labor
Wages and salaries
$
Employer payroll taxes
$
Bonuses
$
Contract labor (1099 payments)
$
Employee benefits
$
Workers’ compensation insurance
$
Professional Services
Accounting and bookkeeping
$
Tax preparation
$
Legal fees
$
Consulting fees
$
Human resources services
$
IT and technical support
$
Education & Training
Continuing education
$
Seminars & conferences
$
Advertising & Marketing
Website design and hosting
$
Social media and online advertising
$
Branding and logo design
$
Flyers, mailers, and business cards
$
Sponsorships related to business promotion
$
(optional image area)
All deductions must be ordinary and necessary per IRS rules.
Travel & Transportation
Airfare
$
Hotels
$
Rental cars
$
Business mileage or vehicle expenses
$
Parking and tolls
$
Taxi and rideshare services
$
Meals & Entertainment
Business meals (generally 50%)
$
Client meals
$
Employee meals
$
Entertainment (generally not deductible)
$
Insurance
General business liability insurance
$
Professional liability / E&O insurance
$
Cyber insurance
$
Property insurance
$
Directors & Officers (D&O) insurance
$
Health insurance (entity rules apply)
$
Equipment & Assets
Computers and electronics
$
Machinery and tools
$
Furniture and fixtures
$
Business vehicles (business portion)
$
Interest on business costs
$
Software & Subscriptions
Accounting software
$
CRM systems
$
Payroll software
$
Cloud storage
$
Industry-specific platforms
$
Banking & Finance
Bank service charges
$
Merchant processing fees (Stripe, PayPal, Square)
$
Wire and transaction fees
$
Interest on business loans
$
Credit card processing fees
$
Taxes & Licenses
Business taxes / licenses
$
State / local registrations
$
Permits
$
Education & Training
Continuing education
$
Certifications
$
Business courses
$
Seminars & conferences
$
Repairs & Maintenance
Equipment repairs
$
Facility maintenance
$
IT repairs
$
Home Office (When Allowed)
Rent or mortgage interest (portion)
$
Utilities (portion)
$
Home insurance (portion)
$
Retirement & Benefits
Employer retirement contributions
$
SEP IRA
$
SIMPLE IRA
$
401(k) employer match
$
Charitable & Community (Entity-Specific)
Charitable contributions (limits apply)
$
Community sponsorships
$
Outreach expenses
$
Nonprofit / Form 990 Specific
Program expenses
$
Fundraising costs
$
Grant distribution (if applicable)
$
Advocacy and education costs
$
Other Common Deductions
Bad debts (C-Corp rules differ)
$
Amortization
$
Startup costs
$
Organizational costs
$
Research and development
$