Payroll & Benefits
401(k) Providers
A 401(k) provider sets up and runs a 401(k) retirement plan for an employer. Depending on the arrangement, it supplies the plan document, recordkeeping for each participant's account, the investment menu, payroll contribution feeds, annual nondiscrimination testing, participant notices and help with the Form 5500. Some providers also take on defined fiduciary roles.
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LeadChange may earn a fee when you request pricing through our site or follow a sponsored link. Rankings are computed without knowing which vendors pay us.
Research in progress
We are verifying 401(k) providers products against vendors’ official documentation and pricing pages. A ranking by LeadChange Score appears here once at least 3 products pass our research checks. Until then, this page explains what the software does, what we evaluate and how to choose.
What we evaluate
Plan design and document
Supplies the written plan document and supports traditional, safe harbor and other plan designs.
Participant recordkeeping
Tracks contributions, earnings, investments, loans and distributions for each participant account.
Payroll integration
Syncs deferrals, compensation, hours and employee changes from payroll and flags late or failed contributions.
Investment menu and default investment
Provides the fund lineup and a default investment for employees who do not choose one.
Fiduciary services
Takes on defined investment or administrative fiduciary roles, stated in the service agreement.
Compliance testing
Runs annual nondiscrimination testing and supports corrections when tests fail or errors occur.
Form 5500 support
Prepares the annual Form 5500 or Form 5500-SF for the plan administrator to file.
Automatic enrollment
Enrolls eligible employees at a default deferral rate unless they opt out or choose a different rate.
Participant notices and education
Prepares and delivers required notices, fee disclosures and employee education.
Fee disclosure
Itemizes plan fees and who pays them, for the employer and for participants.
Who needs 401(k) providers?
You need a 401(k) provider when you want to offer a retirement plan to employees, or when your current plan has become hard to run: contributions keyed into a separate portal after each payroll, testing results that arrive late, or fees no one on your team can explain.
The work behind a plan is real. A Department of Labor and IRS guide for small businesses lists four initial steps to set up an automatic enrollment 401(k) plan: adopt a written plan document, arrange a trust for the plan's assets, develop a recordkeeping system, and provide plan information to eligible employees. The IRS says a traditional 401(k) must pass annual nondiscrimination tests, the ADP and ACP tests, and that a 401(k) sponsor must file a Form 5500 each year. The Department of Labor requires employee contributions to be deposited as soon as they can reasonably be separated from company assets, and no later than the 15th business day of the month following the payday.
Hiring a provider does not hand off every duty. The Department of Labor says fiduciary status follows the functions a person performs, and that the employer remains responsible for selecting and monitoring its service providers. A good provider makes those duties easier to carry out and to document.
How to choose 401(k) providers
Choose a 401(k) provider on three things: which duties it takes on in writing, how cleanly contributions flow from payroll, and the total cost to the company and to participants. Plan features matter, but most problems come from gaps between payroll, recordkeeping and compliance.
The Department of Labor suggests surveying several providers and asking each for the same information. Bring your payroll system, headcount, employee turnover and the plan design you want to every demo, and ask for a written fee disclosure up front.
Plan types and design options
The IRS describes traditional, safe harbor and SIMPLE 401(k) plans, each with different contribution and testing rules, so the provider must support the design that fits your workforce.
Fiduciary roles in writing
The Department of Labor says hiring an investment manager relieves the employer of liability for that manager's individual investment decisions, but the employer must still select and monitor the manager.
Payroll integration and deposit timing
Employee deferrals must reach the plan on time, and for plans with fewer than 100 participants the Department of Labor treats deposits made by the 7th business day after withholding as compliant.
Compliance testing and corrections
Traditional plans must pass annual ADP and ACP tests, and failed tests or operational mistakes need prompt, documented correction.
Form 5500 and government reporting
The IRS says Form 5500 is due by the last day of the seventh month after the plan year ends and must be filed electronically through EFAST2.
Fee transparency
The Department of Labor groups plan fees into administration, investment and individual service fees, and says service providers must disclose their services and all compensation they expect to receive.
Requirements by company size
Small businesses
- Direct sync with your payroll system for deferrals and new hires
- Plan document, testing and Form 5500 preparation included
- Clear written statement of any fiduciary roles the provider takes on
Watch out for
- Asset-based fees that are hard to see on participant statements
- Fiduciary support described in marketing but missing from the agreement
- Setup and termination fees disclosed only in the fine print
Mid-sized companies
- Testing support with options for safe harbor or plan design changes
- Investment menu review and documented fiduciary process
- Controlling-group and multi-entity payroll handling
Watch out for
- Revenue sharing that hides the real cost of recordkeeping
- Integrations that cover deferrals but not hours or compensation
- Service teams that rotate without knowledge of your plan
Enterprises
- Recordkeeping at scale with data feeds from several payroll systems
- Support for plan audits and committee reporting
- Negotiated, itemized fees with benchmarking
Watch out for
- Bundled pricing that blocks you from changing funds or advisors
- Long conversion timelines and extended blackout periods
- Weak controls over participant data and distributions
Red flags
- The provider cannot give you a written fee disclosure before you sign
- Fiduciary roles are promised in sales materials but not named in the service agreement
- Contributions must be uploaded by hand after every payroll with no error checks
- No clear owner for nondiscrimination testing or Form 5500 preparation
- High surrender charges or exit fees on the investment products
- Claims that using the provider removes all of the employer's fiduciary responsibility
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Frequently asked questions
What does a 401(k) provider do for an employer?
A 401(k) provider sets up and runs the plan: it supplies the plan document, keeps records for each participant's account, offers the investment menu, takes contribution data from payroll and usually handles annual testing, participant notices and Form 5500 preparation. Some providers also take on defined fiduciary roles. The employer still decides on the plan and must select and monitor its providers.
How much does a 401(k) plan cost an employer?
It depends on the pricing model and who pays. The Department of Labor describes administration fees, investment fees and individual service fees, and says administrative costs may be paid by the employer, charged to plan assets or covered through investment fees. Compare the total cost of each quote, including fund expenses charged to participants, not only the company's base fee.
Is there a tax credit for starting a 401(k) plan?
Yes, for eligible small employers. The IRS says employers with 100 or fewer employees who received at least $5,000 in compensation in the prior year may claim a credit for eligible startup costs for three years, and a separate credit of $500 per year for three years when the plan adds automatic enrollment. Eligibility conditions apply, and the credit is claimed on Form 8881.
What is a safe harbor 401(k)?
The IRS describes a safe harbor 401(k) as a plan that must provide employer contributions that are fully vested when made, in exchange for not being subject to the annual nondiscrimination tests that apply to traditional 401(k) plans. Employers must give employees a safe harbor notice at least 30 days and not more than 90 days before the start of each plan year.
Does hiring a 401(k) provider remove my fiduciary responsibility?
No. The Department of Labor says fiduciary status depends on the functions performed, and an employer keeps responsibility for selecting and monitoring its service providers. Hiring a qualified investment manager means the employer is not liable for that manager's individual investment decisions, but it must still monitor the manager. Check which roles a provider accepts in writing.
What is the difference between a 401(k) provider and benefits administration software?
A 401(k) provider runs the retirement plan itself: recordkeeping, investments, testing and reporting. Benefits administration software manages enrollment and eligibility across many benefits, such as health, dental and vision, and may pass retirement deferral elections to payroll. Most employers with a 401(k) need a plan provider even if they also use benefits administration software.
Can an employer switch 401(k) providers?
Yes. Employers can move a plan to a new provider, usually through a conversion that transfers assets and participant records and includes a blackout period. Because selecting and keeping a service provider is a fiduciary decision, the Department of Labor recommends reviewing providers at reasonable intervals. Compare exit fees, conversion timelines and the new provider's fee disclosure before you decide.
How we research
Products are ranked by the LeadChange Score, computed only from verified facts: capability coverage (30%), pricing transparency and value (20%), integrations and API (15%), security and compliance (15%), fit and support (10%) and data confidence (10%), times a category fit that lowers products built for another job. Payment never changes a score or a position.
Facts, not impressions
Every input is a fact verified against vendors’ official documentation, with the date we last checked it.
Missing data scores zero
We never assume a feature; unverified items lower the confidence label.
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Rankings are computed before and without knowing which vendors pay us.
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