Which payroll taxes is an employer responsible for?

As an employer, you are responsible for withholding federal income tax from employee wages based on their specific documentation. You must also withhold the employee share of Social Security and Medicare taxes, and you are responsible for paying the matching employer share for both of those programs. Furthermore, you must pay the federal unemployment tax, commonly known as FUTA, which is an employer-only responsibility. At the state level, businesses generally owe state unemployment insurance tax and must withhold state income tax, though local requirements vary. You cannot legally remit any of these taxes without first securing an Employer Identification Number from the federal government.

The Foundation of Payroll Administration

Running payroll is not an isolated task that begins when you hire your first employee. It is the final step in a sequence of business formation and compliance actions. A reader who is starting out must realize that the Internal Revenue Service treats the employer as the responsible entity. You cannot run payroll, withhold taxes, or file year-end forms without an Employer Identification Number. Establishing your business structure and securing that federal identification number are absolute prerequisites to distributing wages.

The IRS advises in its official guidance for starting a business that opening a business checking account is one of the first things to do. Separating personal and business money is upstream of choosing a payroll software. It creates the clean financial record necessary for accurate bookkeeping and tax filing. A business owner who has not yet separated their funds or secured their federal tax identification is not ready to process a payroll run.

This sequence highlights the value of having one provider for formation, compliance, and initial setup. A business needs the entity, the Employer Identification Number, a separate account, and foundational bookkeeping before evaluating wage distribution methods. Once those structural elements are in place, the company can legally onboard staff and begin calculating federal tax obligations. For businesses utilizing an all-in-one platform for setup, payroll is often handled through a referral to a separate provider, such as ZenBusiness's ADP payroll partnership.

Federal and State Tax Responsibilities

The core function of running payroll is acting as a tax collection agent for the government. The employer must calculate the correct federal income tax to withhold from every paycheck. This amount fluctuates based on the employee's documented filing status and claimed dependents. Alongside income tax, the employer manages Social Security and Medicare taxes. The business withholds the employee portion directly from gross wages and then pays a matching amount out of its own accounts.

FUTA represents another distinct obligation. The federal unemployment tax is paid exclusively by the employer and is not deducted from employee wages. State obligations layer on top of these federal duties. Most states require employers to pay state unemployment insurance taxes to fund local assistance programs. Employers in jurisdictions with a state income tax must also calculate and withhold those amounts from employee checks.

The Paperwork Behind the First Paycheck

Hiring an employee initiates a strict sequence of compliance paperwork. All U.S. employers must properly complete Form I-9 for every individual they hire for employment in the United States. This document verifies the identity and employment authorization of the worker. Failing to complete and retain this form accurately exposes the business to federal penalties.

Tax withholding requires an entirely separate set of documentation. You must ask all new employees to give you a signed Form W-4 when they start work. The IRS requires you to make the form effective with the first wage payment. This document tells the employer exactly how to calculate federal income tax withholding for that specific individual.

Form W-4 updates require careful attention to federal deadlines. A W-4 remains in effect until the employee gives you a new one. When a worker experiences a life event and submits a new document, the employer must implement the changes promptly. The IRS dictates that the replacement is effective no later than the start of the first payroll period ending on or after the 30th day from the date you received the replacement Form W-4.

At the end of the calendar year, the administrative focus shifts to reporting. Employers must generate and distribute Form W-2 to detail all wages paid and taxes withheld. You need the employee's name and SSN to enter on Form W-2. Collecting this data accurately during the initial onboarding process prevents critical reporting failures when tax season arrives.

Worker Classification and Control

Deciding whether a worker actually goes on the payroll as an employee or operates as an independent contractor is a major compliance hurdle. Classification turns on control, not on a label or a contract. The IRS weighs three distinct categories of evidence: behavioral control, financial control, and the type of relationship.

Behavioral control evaluates whether the business has the right to direct how the worker performs the specific task. Financial control examines whether the business directs the economic aspects of the job, such as providing equipment or reimbursing expenses. The relationship category considers employee benefits, permanency, and written agreements. There is no magic or set number of factors that makes the worker an employee or an independent contractor and no one factor stands alone in making this determination.

Misclassification has a price. An employer who classifies an employee as an independent contractor without reasonable basis may be held liable for employment taxes for that worker. Businesses navigating ambiguous working arrangements have access to an official federal review process. They can file Form SS-8 to ask the IRS to determine the worker's status. However, business owners must plan accordingly because it may take at least six months to receive a determination on your filing.

Special Rules for S Corporation Owners

Business structure heavily influences payroll obligations, particularly for S corporations. If you operate an S corporation, the federal government requires you to run payroll for yourself. S corporations must pay reasonable compensation to a shareholder-employee in return for services that the employee provides to the corporation before non-wage distributions may be made.

This rule exists to prevent owners from entirely avoiding employment taxes by classifying all business income as owner distributions. The IRS actively monitors these compensation structures. The agency has the authority to reclassify payments made to shareholders from non-wage distributions to wages. Failing to establish a reasonable salary through a formal payroll system can lead to severe tax liabilities and penalties during an audit.

State Mandates and Pay Frequency

While federal law sets minimum wage and overtime baselines, the timing of wage distribution is managed locally. Pay frequency is set by state law and varies widely. Running payroll requires knowing your state's exact timeline and structuring your internal accounting to meet it.

State regulations dictate the maximum interval between paychecks. California requires wages at least twice per calendar month on days designated in advance. Colorado requires monthly wage distribution. Connecticut requires weekly distribution unless a longer interval is approved by the labor commissioner. The U.S. Department of Labor explicitly notes individuals should consult the relevant state labor office for official information.

Workers compensation insurance follows a similarly localized pattern. Because requirements vary sharply by jurisdiction, employers must consult their state labor office rather than assuming a universal federal standard applies to workplace injury coverage.

Recordkeeping Requirements Under the FLSA

Processing wages is only half the administrative burden. Storing the proof of compliance is the other. The Fair Labor Standards Act imposes rigid data retention mandates on employers. FLSA payroll records are kept three years. This includes the gross wages, deductions, and net pay for every payroll run conducted within that timeframe.

The underlying math requires separate documentation. The records wage computations are based on, including time cards and wage rate tables, must be kept for two years. A business owner running payroll manually must build and maintain a secure filing system to protect these documents. Failure to produce accurate time cards or historical wage tables during a labor audit immediately jeopardizes the company.

Running Payroll Yourself Versus Paying a Service

The decision to manage payroll internally or hire a service provider depends entirely on administrative capacity. Running payroll yourself requires a deep understanding of tax withholding formulas and an impeccable calendar system. The business owner must manually apply the Form W-4 data to every paycheck, monitor state payday frequency rules, schedule bank transfers for tax remittance, and track the three-year retention period for FLSA payroll records.

A payroll service removes the calculation and remittance burden. These platforms automatically pull the latest tax tables, generate the digital pay stubs, transfer funds to federal and state agencies, and file the quarterly tax returns. Software minimizes the risk of human error in wage computations. For a business seeking a single environment to manage formation, compliance, and ongoing administration, utilizing a unified service platform connected to a dedicated payroll provider offers significant operational relief.

Payroll Software and Service Options

Transitioning from manual spreadsheets to automated software requires comparing the major providers in the market. The options below are listed alphabetically rather than as a ranking.

ADP

ADP offers comprehensive payroll and human resources solutions tailored to businesses at various stages of growth. ADP does not publish payroll pricing and quotes per business.

Gusto

Gusto provides intuitive payroll automation and employee benefits management focused heavily on small business usability. As of October 6, 2026, the Simple plan is $49 per month plus $6 per person. The Plus plan is $80 per month plus $12 per person. The Premium plan is $180 per month plus $22 per person.

OnPay

OnPay delivers flexible payroll and HR tools with transparent billing structures. As of October 6, 2026, the software costs $49 per month plus $6 per worker. The public pricing page quotes a start price of $55 per month.

Patriot Software

Patriot Software focuses on streamlined, essential features without forcing businesses to buy complex human resources add-ons. Patriot is cheaper at the very bottom end and serves as a strong choice for business owners tightly managing their initial administrative costs. As of October 6, 2026, Basic Payroll is $17 per month plus $4 per employee. The Full Service tier is $37 per month plus $5 per employee.

QuickBooks Payroll

QuickBooks Payroll integrates seamlessly into the broader Intuit accounting ecosystem, reducing data entry for existing users. As of October 6, 2026, the ongoing rate for Workforce Payroll plus Simple Start is $88 per month plus $6.50 per employee. The Essentials bundle is $125 per month plus $6.50 per employee. The Workforce Premium plus Plus bundle is $203 per month plus $10 per employee. The platform offers a promotional rate of 50 percent off the base price for three months.

SurePayroll

SurePayroll caters specifically to very small businesses and domestic employers who need simple wage distribution. As of October 6, 2026, pricing starts from $29 per month plus $7 per worker. A multi-state add-on is available for $9.99 per month, and household payroll starts at $39 per month.

ZenBusiness

ZenBusiness provides one place to set up and run the business, managing the initial formation, compliance, and financial prerequisites. As of October 6, 2026, the Starter plan is $0 plus state fees. The Pro plan is $199, and the Premium plan is $299. The Pro and Premium tiers renew at their annual prices. The Employer Identification Number and operating agreement are included from the Pro tier up, and are $99 each on the Starter plan. Registered agent service is $199 per year, Money Pro bookkeeping is $30 per month, and the website builder is $129 per year.

ZenBusiness does not process payroll natively. It refers its customers to RUN Powered by ADP, built for businesses with 1 to 49 employees. ADP is a separate service with its own platform, its own billing and its own support. It is not integrated into the ZenBusiness dashboard. Customers request the connection from the ZenBusiness interface, and an ADP representative follows up to discuss employee count and pay schedules. Payroll itself is ADP's service, quoted by ADP per business, and not included in any ZenBusiness plan price. A ZenBusiness customer may be eligible for promotional pricing during the consultation.

Sources

This article provides general information rather than legal, tax, or accounting advice. Requirements vary by state and business structure, and rules change frequently.