35 business expense categories for small businesses

Business expense categories are classifications that organize company costs by type to simplify tax filing, budget planning, and financial oversight. For example, payroll, rent, and marketing each fall into separate categories that tie directly to line items on your business tax deductions return.

Organizing expenses into clear categories helps you control costs, spot trends, and ensure every deduction is properly documented.

What is a business expense?

Business expenses are the ordinary and necessary costs required to run your business. Anything you spend money on in the name of doing business can be categorized as a business expense.

Because business expenses are tax-deductible, it’s important to understand exactly how the IRS defines "ordinary" and "necessary" in the context of business expenses:

1. Ordinary: Common expenses for businesses in your industry
2. Necessary: Expenses needed to operate your business, even if they aren’t indispensable

Business expenses are sometimes called deductions because you subtract them from your revenue to determine your taxable income. As such, you record them on your business income statement.

What are the three types of expenses?

The three main types of expenses are direct costs, indirect costs, and depreciation expenses. And these can be further grouped into various expense categories, including payroll, employee benefits, general and administrative (G&A) expenses, marketing and advertising, research and development, and payments for professional services.

How do you categorize business expenses?

Small business owners often struggle with expense categorization, but there’s no need to overcomplicate the process. The key is to categorize business expenses in a way that reflects your business structure—that is, by department and spend management needs.

For example, you can classify expenses by type, like "G&A" and "Research and Development," and then sort them by department, like "Marketing" and "Engineering."

Keep your expense categories general and limit the number of general ledger (GL) accounts you have. Use custom fields to capture the who, what, where, and why of each transaction so you can easily sort or reclassify them as needed.

Say for internal purposes, you may only need to know that an employee made a meal purchase. But if you want to deduct the expense as a business meal come tax time, you’ll need to know if the employee ate alone, with a team, or with a client, and what was discussed.

35 business expense categories to know

The 35 categories below cover the most common costs businesses track for tax and operational purposes. Tailor these to your company’s structure and needs:

1. Employee benefits

Your company's payments toward employee benefits like health insurance, retirement plans, life insurance, and home office expenses.

2. General and administrative (G&A) expenses

This category includes office supplies like computers, pens, and paper; cleaning services for your office space; and other miscellaneous office expenses. Website hosting and domain payments may fall into this category as well.

3. Rent and leases

Any rent or lease payments you make toward renting office space, equipment, a warehouse, or vehicles.

4. Marketing and advertising

Anything that covers the cost of directly promoting or marketing your business.

5. Employee training

This category covers skills training for employees, provided the training is for job-related skills.

6. Research and development (R&D)

Costs related to developing and improving your products, including expenses for software directly necessary for developing and testing your product.

7. Legal and professional services

This category includes payments to agencies or contractors—for example, the money you spend on PR agencies, headhunters, freelance designers, CPA services, tax preparation, and legal fees.

8. Utilities

Utilities such as electricity, water, gas, and sewage for commercial space. If you work from a home office, you can deduct a portion of utilities relative to how much of your home you use for business purposes.

9. Salaries and wages

This category includes all payroll expenses to employees, including salaries, wages, bonuses, and commissions.

10. Insurance

Business insurance premiums, including general liability, malpractice, and commercial real estate or property insurance, typically have their own dedicated expense category.

11. Travel expenses

Lodging, airfare, travel insurance, and other costs related to business travel go in this category. These expenses are typically fully deductible, but note that you can only deduct 50% of the cost of meals, even while traveling.

12. Depreciation

Expenses related to the asset depreciation of business assets, such as equipment, vehicles, and buildings.

13. Maintenance and repairs

Any costs you incur to maintain and repair necessary business equipment, vehicles, and facilities.

14. Taxes and licenses

Business property taxes, permits, and licenses required to operate legally. Examples include construction permits or licenses to practice law or medicine in your state.

15. Continuing education

Educational expenses for seminars, workshops, and conferences that promote ongoing education. Educational materials like books fall into this category as well.

16. Software

Business software is usually a tax-deductible business expense category. This includes subscription costs or the outright cost to own the software, including accounting or project management tools.

17. Interest

Interest payments on business loans, business credit cards, lines of credit, debt, or mortgages.

18. Dues and subscriptions

Paid subscriptions for industry magazines or academic journals related to your business, as well as dues or membership fees for trade associations.

19. Shipping and postage

Postage or freight costs you incur to ship your products, including stamps or postage for sending business-related mail. However, envelopes and packing materials would generally go in the G&A category.

20. Charitable contributions

You can deduct donations you make to charitable organizations, provided they meet the most current IRS requirements.

21. Business use of vehicles

Fuel, maintenance, insurance, and other car expenses are all business expenses, provided you use the vehicle exclusively for business purposes. You can also deduct the IRS standard mileage rate.

22. Employee meals and entertainment

This is a common business expense category, but note that you can only deduct up to 50% of the cost of business meals and entertainment expenses.

23. Collection fees

This category covers any costs related to hiring a third party to collect on a bad debt expense.

24. Printing

This category can include ink cartridges, physical printers, or payments for printing services—for example, for direct-mail marketing campaigns.

25. Startup costs

You may be able to deduct a limited portion of the costs associated with starting a small business. These costs might include market research, employee training, business development, and other related expenses.

26. Moving expenses

If you move more than 50 miles from your previous location for work-related purposes, you can deduct 100% of your moving costs.

27. Security

Expenses related to security systems and personnel for your business.

28. Equipment maintenance contracts

Active contracts for the maintenance of business equipment.

29. Inventory

This category includes the cost of goods sold (COGS), including raw materials, finished products, and inventory management expenses.

30. Employee transportation benefits

If you provide transportation benefits to employees, you can deduct this expense category come tax time.

31. Pension contributions

Any contributions to employee pension plans go in their own business expense category.

32. Employee assistance programs

Programs to support employees’ well-being in the workplace or their personal lives.

33. Gifts

Business-related gifts to clients, employees, or vendors are considered business expenses so long as the purpose of the gift is to promote business relations.

34. Bank fees

Expenses related to banking, including monthly service fees for your business bank account.

35. Telecommunications

The cost of business phone and internet services.

Best practices for categorizing and tracking expenses

Here are four best practices for effectively getting organized so you can categorize and track your expenses properly.

1. Understand the categories that meet your business needs: Which of the 35 above apply to the specifics of your work, and which, perhaps needs to be added or amended?
2. Review your accounts often: You need to review your account statements, expense reports, and invoices on some regular cadence. That way you’ll know both whether your categories are effective and how you’re tracking against your budget goals.
3. Let automated tools do the heavy lifting: Expense management software helps automate expense mapping and categorization. Software that integrates with modern business expense cards adds another layer of control by providing customizable rules for every business expense.
4. Be sure to assign categories to every transaction: Your new system only works if you implement it. When tracking your business expenses, make sure every single transaction is assigned a category so you have a handle on what’s what.

How Ramp automates expense categorization and tracking

Manually categorizing business expenses is tedious and error-prone. You're dealing with hundreds of transactions across multiple cards, trying to match receipts to charges, and hoping your team coded everything correctly. Meanwhile, month-end close drags on as you chase down missing documentation and fix miscategorized expenses.

Ramp eliminates these headaches through intelligent automation. Our modern expense management software automatically categorizes expenses using merchant data and machine learning, drastically reducing manual work. When employees make purchases, Ramp instantly matches transactions to the correct expense categories based on vendor information and spending patterns. You can customize these categories to match your chart of accounts, ensuring seamless integration with your accounting system.

Real-time expense tracking gives you complete visibility into spending as it happens. Instead of waiting for monthly statements, you see every transaction the moment it occurs. Ramp's customizable reporting dashboards display spending by category, department, and employee, making it easy to spot trends and anomalies. For example, if marketing spend suddenly spikes, you'll know immediately rather than discovering it weeks later during reconciliation.

The platform's receipt matching technology further streamlines expense management. Employees simply snap photos of receipts through the mobile app, and Ramp automatically attaches them to the corresponding transactions. OCR technology extracts key details like vendor name, amount, and date, eliminating manual data entry. The system even sends automated reminders for missing receipts, ensuring you maintain complete documentation for audits and tax compliance.

This combination of automated categorization, real-time visibility, and intelligent receipt management transforms expense tracking from a time-consuming chore into an efficient, accurate process that gives you better control over your company's spending.

Set expense categorization on autopilot

Ramp automates the entire business expense tracking, reporting, and categorization process, reducing errors and saving you time and money. With Ramp’s powerful finance automation and AI behind your business expense categorization, tax season is just another day at the office.

Try an interactive demo and see for yourself why Ramp customers save an average of 5% a year across all spending.