Running Payroll with Paychex: A Complete Guide to Paychex Flex®

Payday used to mean spreadsheets, tax tables, and a nagging worry that something would be filed late. Research shows that HR professionals spend up to 57% of their time on administrative tasks.¹ Running payroll with Paychex changes that experience. Walk through payroll with Paychex Flex®, from setup through submission, and learn what the platform handles automatically, and what makes it a strong fit for small businesses and growing teams alike.

What Is Paychex Payroll?

Paychex Flex is Paychex's all-in-one payroll, time and HR platform, built to handle payroll processing, tax administration, benefits, and compliance support in a single system. It's designed to work for a business at any size or stage, from a first hire to a multi-location workforce. Between the automation and the built-in intelligence, Paychex Flex is designed to make payroll accurate and dependable, not just processed.

How to Run Payroll with Paychex (Step-by-Step)

Once employee accounts and pay data are set up, running payroll in Paychex Flex can take as little as a few minutes.

Here's what the process looks like from start to finish:

1. Go to Payroll Center in Paychex Flex. Select Begin, or Resume if returning to a payroll already in progress.
2. Choose a payroll option and select Continue. (Skip this step if resuming.)
3. Enter time and pay data for each worker.
4. Select Review & Submit.
5. Review the Preprocessing Reports and Quick Totals, using Edit Payroll to make any changes before submitting.
6. Submit Payroll. If a correction is needed after submission, use Edit Payroll within 15 minutes.

From there, Paychex takes over, automating 3 key tasks:

1. Direct deposits to employee accounts
2. Payroll tax management (calculation, withholding, and remittance at federal, state, and local levels)
3. Recordkeeping with secure report generation and storage

Key Features of Paychex Payroll

Paychex payroll software is built around a set of core capabilities that help you keep every pay run accurate, efficient, and compliant.

Intelligent Payroll Dashboard

The Paychex Flex intelligent dashboard works as a command center, giving users personalized recommendations for upcoming events, outstanding actions, and insights based on payroll trends. You also get status updates, quick links, and direct paths to key actions in the Payroll Zone of your Intelligent Dashboard.

Smart Pre-Payroll Checks and Proactive Alerts

Before payroll is due, Paychex Flex runs a series of checks to catch common issues while there's still time to fix them:

• Smart payroll reviews uploaded payroll hours in any format.
• Missing punches trigger notifications to employees, with edited submissions instantly sent for manager review.
• Missing pay rates are flagged for active employees with direct links to resolve them.
• Pending direct deposit approvals are surfaced for review with a streamlined workflow.
• Account Receivable Hold Resolutions which notify and suggest resolutions for Accounts Receivable issues and holds.
• Payroll holds are conducted and non-paid workers identified when time punches exist, but an employee isn't included in the current pay run.

Catching these issues before submission helps you keep payroll accurate the first time.

Automated Tax Administration

Paychex automatically calculates, withholds, and remits federal, state, and local payroll taxes through Taxpay®, and handles W-2 and 1099 preparation and filing. Tax calculations adjust in real time when an employee relocates or begins working in a new state, and employer tax deposits and filings happen automatically, reducing the risk of penalties for a missed deadline.

Employee Self-Service

Employees can access pay stubs, W-2s, tax documents, and deduction summaries directly through their Paychex Flex app, without needing to go through HR. That means fewer inbound pay questions and less administrative back-and-forth for the team managing payroll. This reduces employee inquiries and cuts administrative time.

Run Payroll From Anywhere

Paychex Flex is fully accessible through its mobile app. Business owners and payroll administrators can run payroll, update employee information, approve time-off requests, and review reports from anywhere with an internet connection.

Payroll Integrations and the Paychex Ecosystem

Paychex Flex connects to many accounting and HR tools a business already runs on, so payroll data stays synchronized without manual re-entry.

• Accounting integrations: QuickBooks, Xero, Sage, and more
• HR integrations: BambooHR, Employee Navigator, and other platforms

The Paychex Marketplace offers additional app connections that go beyond the native integrations. Payroll is just one piece of the Paychex Flex ecosystem, Paychex has other business solutions including benefits administration, time and attendance, performance management, document storage, and employee handbooks all connected through one single login.

How Paychex Uses AI

Paychex WISE is Paychex's AI engine, built directly into Paychex Flex and working in the background throughout payroll preparation and processing.

• WISE flags potential issues with payroll before submission, surfacing missing data, unusual amounts, and possible compliance gaps for review.
• It automates payroll preparation tasks like syncing time data, identifying missing pay rates, and generating preprocessing reports.
• It provides payroll insights, including labor cost trends, overtime patterns, and workforce expense projections that support planning.

WISE is built on more than 50 years of Paychex payroll, HR data, and human expertise so how it helps you is based on real workforce patterns rather than generic assumptions. WISE is designed to keep humans in the loop. Payroll administrators review and approve flags and data before anything is submitted.

Benefits of Running Payroll with Paychex

Running payroll with Paychex pays off in time saved, fewer errors, and a platform that continues to keep up, even as a business grows.

• Time Savings: Smart pre-payroll checks, automated tax handling, and direct system integrations eliminate the manual steps that eat up HR time before and after every pay run. Don’t take our word for it. This Paychex customer saved 10 hours a month and $10,000 a year in tax penalties.²
• Accuracy and Compliance: AI-powered pre-submission checks, automated tax rate updates, and proactive compliance alerts help reduce the risk of errors and penalties. Businesses using payroll software like Paychex see 31% fewer errors.³
• Confidence: The intelligent dashboard and preprocessing reports give payroll administrators a clear picture of what's ready and what needs attention before they submit.
• Disruption Free: Paychex Flex avoids the disruption of data migrating and memorizing separate logins because its plans are all tiers of one singular platform, not separate products.
• All-In-One: Payroll, benefits, HR, time tracking, and compliance all live within a single platform, eliminating the cost and complexity of managing separate point solutions.

Who Should Use Paychex Payroll?

Paychex payroll works for businesses at nearly every stage of growth, from a first hire to a multi-location operation.

• New Businesses: Founders and Entrepreneurs that need to pay themselves or pay their first employee
• Small Businesses: Owners who want payroll handled accurately and efficiently
• Growing Businesses: HR teams managing more complex payroll, including mixed workforce types, multi-state employees, and growing benefits programs
• Multi-Location and Franchise Operators: Businesses with employees across multiple locations or states