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What Are Pre-Tax Deductions and Contributions? A Practical Guide for Business Owners

Discover how pre tax deductions and contributions work, their tax benefits, common examples, and what business owners should know.

8 min read

If you run a business, even a small one, understanding pre-tax deductions and contributions is one of the most practical things you can do for your bottom line. Not just for your employees' sake, but for yours too.

The truth is, most business owners don't even bother about this aspect or leave it for their payroll software without fully understanding what's going on. Missed opportunity! With a properly designed structure, pre-tax benefits can make a significant difference in the amount of taxable income, employment taxes, and make compensation packages more appealing without commensurate increases in direct labor costs.

Let's get it straight.

So, what are Pre-Tax Deductions?

A pre-tax deduction is any amount that is deducted from an employee's gross paycheck before the calculation of income taxes and possibly payroll taxes on that paycheck. The result? This reduces the amount of income the employee will be taxed on, and in certain benefit types, your payroll tax base will also decrease.

Think of it this way: If an employee makes $5,000 per month and pays $300 for a health insurance plan before taxes, then you would calculate taxes on $4,700, not $5,000. Both the employee and the employer can save money by spending $300.

The Most Common Types

It's important to remember that not every pre-tax benefit is the same. What you are most likely to be facing:

  1. Health Insurance Premiums: (Medical, dental, vision) are usually deducted from an employee's wages before taxes, under Section 125 of the tax code. This is likely to be the most common pre-tax benefit. 

  2. Flexible Spending Accounts (FSA): Pre-tax money that employees contribute to qualified medical or dependent care expenses. You have to pay a yearly contribution, and any remaining funds can't be carried over.

  3. HSAs (Health Savings Accounts): With an HSA, contributions, growth, and withdrawals (for qualified expenses) are all tax-free and can only be used in conjunction with a high-deductible health plan (HDHP).

  4. 401(k) and Retirement Contributions: Traditional 401(k) contributions lower the amount of federal income tax for the employee. This is one of the most effective contributions that can be made in advance for financial planning in the long-term.

  5. Commuter Benefits: If qualified, employees can save pre-tax income and payroll taxes by saving for commuter passes or qualified parking under IRS limits.

The benefit of a Group Life Insurance policy is that the amount of premiums that the employer pays up to $50,000 is not included in the employee's taxable income.

What's the Difference Between a Deduction and a Contribution?

Here's where things can get weird; let's be straightforward.

A deduction is usually money that is deducted from an employee's payroll, such as their portion of a health insurance premium.

Typically, the term contribution isn't used to describe how you put money into your savings account or your investment account (such as a 401(k) account or HSA account). Most often, there is an employee contribution and an employer match.

The employer match, such as with a 401(k), is a contribution from the employer that is made pre-tax. It is a deductible business expense of the employer and not considered to be taxable income to the employee when it is contributed. 

Why This Matters for Reducing Payroll Tax Liabilities

As every business owner can tell you, reducing payroll tax liabilities is a good idea, not a bad idea, and shouldn't be a scheme to avoid paying taxes, but rather a business practice to manage your finances wisely.

Here's an example: If you have 10 employees making $60,000 a year, then the total cost is $600,000. When they each put in $2,400 a year into an FSA, your payroll that is subject to FICA taxes decreases by $24,000. The employer portion of FICA is 7.65%, and that's about $1,836 back in your pocket each year, from one benefit alone.

Scale that up to the health insurance premiums and 401(k) matches, and the numbers add up rapidly.

It's not a loophole. That's how the tax code is supposed to function.

Getting Payroll and Bookkeeping Right

This is where lots of businesses go wrong. Pre-tax deductions only provide the maximum benefit when they are properly classified and entered in the books.

If the payroll and bookkeeping integration is proper, then it is ensured that:

  • Each type of deduction is assigned to its appropriate expense category.

  • Employer contributions are treated as a business expense (not a payroll expense)

  • Your quarterly and annual payroll tax filings accurately reflect the reduced wages that are subject to tax.

  • You are not double-counting deductions or failing to count any that should be counted.

If payroll and bookkeeping are done in isolation by different software or different people on their own, without a connection to each other, then mistakes can get in there. Businesses have been over-reporting taxable wages for years, just because their payroll data wasn't being properly mapped to their accounting system.

It's wasted money, and it could have been prevented.

Pre-Tax Benefits and Your Business Tax Return

But in the realm of strategies for business tax return filing, the pre-tax benefits have an upstream effect. Your contributions as an employer, such as paying part of the health insurance premiums or matching contributions to 401(k) plans, are usually considered ordinary business deductions.

That results in lower net income being taxable, lower business tax liability, and lower overall cost to offer these benefits.

Here are a few tips:

  • Compliance requirement: Section 125 Cafeteria Plans must be written as a Plan Document.

  • The IRS has limits on the amount that may be contributed to an HSA by the employer (limited annually).

  • As an S-corp owner, special rules apply to your health insurance premiums; these are different from regular employee deductions.

  • Make sure all benefit elections are captured before the plan year; generally, no retroactive changes to benefits will be permitted.

Rules are different depending on plan structure, state, and entity type, so it is advisable to have an experienced tax professional or CPA help to establish these for the first time.

A Quick Checklist for Business Owners

Looking at a practical starting point, if you're not sure if you are getting the maximum pre-tax benefit, here it is:

  1. Do you offer health insurance? Is it part of a Section 125 plan?

  2. Do you have an FSA or HSA? Are there employees who are aware of it?

  3. Have a 401(k) or SIMPLE IRA? Is your employer's match recorded and paid out properly?

  4. If applicable to your workforce, do you have commuter benefits?

  5. Are pre-tax deductions being taken as they should be in your payroll system?

  6. Do bookkeeping records match the payroll reports?

Frequently Asked Questions

Do pre-tax deductions reduce my Social Security and Medicare taxes as an employee?

This is dependent on the deduction type. With a Section 125 plan, the premiums can be deducted from income tax and FICA (Social Security and Medicare) taxes. On the other hand, if the funds are contributed to a traditional 401(k), the contributions lower federal income taxes but not FICA. It can make a big difference in getting a realistic estimate of your net income.

Can a sole proprietor or self-employed person use pre-tax deductions?

Self-employed individuals can claim health insurance premiums on their personal tax return (not as a payroll deduction) and can take advantage of SEP-IRA or Solo 401(k) retirement plans. It's not like the employer-sponsored plans, but the tax savings are genuine.

What happens if pre-tax deductions are set up incorrectly in payroll?

Deducting taxes on amounts that should not be taxed results in income or payroll taxes being withheld from employees, and can lead to IRS penalties and/or interest. It may also impact employment taxes that are calculated and reported. These are typically correctable and will take time to relax, but can cause questions during an audit.

Are there limits on how much can be contributed pre-tax?

Yes, the IRS imposes annual limits on each type of account. The annual limits for employee contributions to a 401(k) plan, FSA balances, and HSA contributions, for instance, are all indexed to inflation. It is advisable to review these limits each year, as they constitute an event that will be taxable.

How do I know if my current setup is actually saving me money?

One place to begin is looking at the amount of total payroll tax compared to the amount it would be if you received no pre-tax benefits. If you don't know how to do that, a payroll or tax person can help do the calculations. There is plenty of room to optimize, and many businesses are taken aback by how much room there is.

 

Looking to Make Your Payroll Work Smarter?

Once you understand exactly what they are and how they work, pre-tax deductions and contributions are not complicated, but it is here, in setting them up, complying with them, and bookkeeping them, that most businesses require help.

At Revive Business, we provide business owners with filing assistance for payroll, benefits, and taxes so that these functions work together, rather than in isolation, to meet compliance standards and operate as an integrated system to maximize efficiency.

If you are looking to install a new system or need to review a current system, we would be happy to take a look. Connect with us and see what we can do for your business!