Managing Company 401(k) Plans in Sage 50: A Quick Guide
Company 401(k) Plan in Sage 50

If your business offers a 401(k) retirement plan for employees, it’s important to track contributions accurately in your accounting system. Sage 50, a popular accounting software for small and mid-sized businesses, provides tools to handle employee benefits like 401(k) plans with ease. In this blog, we’ll walk through how you can set up and manage a Company 401(k) Plan in Sage 50.
Why Tracking 401(k) Contributions Matters
A 401(k) plan allows employees to save for retirement directly from their paychecks, often with an employer matching component. Properly recording these contributions ensures:
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Payroll compliance
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Accurate tax reporting
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Clear financial statements
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Streamlined audits and reporting to the IRS
Mistakes in handling 401(k) entries can lead to penalties, dissatisfied employees, and extra work at tax time, so getting it right from the start is essential.
How to Set Up a 401(k) Plan in Sage 50
1. Create a Payroll Deduction
First, you'll need to create a deduction to track employee contributions.
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Go to Maintain > Payroll > Deductions.
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Click New.
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Name the deduction (e.g., "401(k) Employee Contribution").
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Set the Type to 401(k) or Retirement Plan (depending on your Sage 50 version).
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Specify whether it’s a pre-tax or post-tax deduction (most 401(k)s are pre-tax).
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Save the deduction.
2. Add the Deduction to Employee Records
Next, associate the deduction with each participating employee.
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Go to Maintain > Employees/Sales Reps.
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Select the employee.
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On the Employee Fields tab, locate the 401(k) deduction field.
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Enter the appropriate percentage or dollar amount of the employee’s pay.
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Save the employee record.
3. Set Up Employer Matching (If Applicable)
If your company matches a portion of the employee’s 401(k) contributions:
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Create an Employer Expense in Sage 50 under Maintain > Payroll > Employer Fields.
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Link it to the appropriate General Ledger account.
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Set the matching percentage or fixed contribution amount.
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Sage 50 will automatically calculate and post employer contributions during payroll processing.
4. Process Payroll as Usual
When you run payroll, Sage 50 will:
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Deduct the employee’s 401(k) contribution.
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Add the employer’s matching contribution (if any).
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Post both entries to the correct liability and expense accounts.
This automated setup ensures your books stay balanced and your 401(k) records remain up to date.
Reporting 401(k) Contributions
Sage 50 offers built-in reports to review 401(k) activity:
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Use the Payroll Deduction Report to view employee contributions.
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Use the Employer Contributions Report to track matching contributions.
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Customize these reports to fit your payroll reporting period (weekly, bi-weekly, monthly).
These reports are crucial for year-end reconciliation and preparing Form 5500 (if required for your retirement plan).
Best Practices for Managing 401(k) in Sage 50
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Reconcile deductions regularly: Compare your Sage 50 reports against the 401(k) plan provider’s records.
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Update employee contribution rates: If employees change their election amounts, update Sage 50 immediately.
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Review legislation updates: 401(k) rules can change. Stay informed to ensure your deductions and match calculations are compliant.
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Back up your data: Always back up Sage 50 before making significant payroll or benefits changes.
Final Thoughts
Managing a company 401(k) plan within Sage 50 doesn't have to be complicated. With the proper setup and regular monitoring, you can maintain accurate, compliant records while offering a valuable retirement benefit to your employees.
If you’re new to Sage 50 payroll or need help customizing deductions for your business, consider consulting a Sage-certified expert to ensure everything is correctly configured from the start.
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