401(k) Retirement Plans for Businesses
Structured retirement plans are essential for growing businesses. As your company expands, offering a well-designed employer-sponsored retirement plan not only supports employee retention and recruitment—it also creates meaningful tax advantages and long-term wealth-building opportunities for owners and staff.
However, with opportunity comes responsibility. ERISA-governed retirement plans require oversight, documentation, and fiduciary accountability. That is why disciplined investment management and ongoing fiduciary guidance are critical for plan sponsors.
2026 401(k) Contribution Limits
For 2026, contribution limits increased according to IRS inflation-adjusted guidelines.
- Employee deferral limit: $24,500
- Catch-up contribution (age 50+): $8,000
- Employer contribution limit: Up to 25% of net self-employment income.
- Total combined contribution limit: $72,000
- Total combined limit with catch-up (age 50+): $80,000
ERISA Retirement Plans for Employer Groups
An ERISA retirement plan—such as a 401(k) plan—is governed by federal regulations that establish fiduciary standards for employers.
For plan sponsors, this means:
- Acting in the best interest of participants
- Monitoring investment options
- Ensuring reasonable fees
- Following plan documents
- Maintaining compliance with Department of Labor (DOL) regulations
These responsibilities can feel overwhelming for business owners already focused on running and growing their company.
Structured retirement plans help bring clarity and process to these obligations.
The Importance of a 3(38) Fiduciary
A 3(38) fiduciary assumes discretionary responsibility for selecting, monitoring, and managing the investment lineup within a retirement plan.
Under ERISA Section 3(38), the investment manager:
- Has authority to make investment decisions
- Monitors and replaces funds as needed
- Assumes fiduciary liability for investment selection
For plan sponsors, this structure can meaningfully reduce fiduciary burden. Rather than making fund-by-fund decisions internally, the sponsor delegates investment management to a qualified fiduciary.
This creates:
- Professional investment oversight
- Documented monitoring processes
- Reduced legal exposure related to investment selection
- Greater confidence in plan governance
Delegating to a 3(38) fiduciary allows business owners to focus on strategic leadership while maintaining compliance.
The Role of the Third-Party Administrator (TPA)
A Third-Party Administrator (TPA) plays a critical compliance role in structured retirement plans.
The TPA is typically responsible for:
- Plan document preparation and updates
- Nondiscrimination testing
- Contribution calculations
- Form 5500 preparation
- Compliance with IRS regulations
As regulations change, the TPA helps ensure the plan remains compliant with federal requirements.
However, the TPA generally does not provide investment oversight—that responsibility falls elsewhere.
The Record Keeper’s Function
The record keeper manages the operational and participant-facing aspects of the retirement plan.
Their responsibilities typically include:
- Maintaining participant account records
- Processing contributions and distributions
- Providing online account access
- Generating statements
- Facilitating loans and withdrawals
The record keeper’s technology platform is often the primary interface employees use to manage their retirement accounts.
While the record keeper provides infrastructure, they do not act as the primary fiduciary advisor to the plan sponsor.
The Retirement Plan Advisor: Coordinating the Moving Parts
The retirement plan advisor serves as the strategic coordinator between the plan sponsor, 3(38) fiduciary, TPA, and record keeper.
For growing businesses, this role is essential.
A retirement plan advisor can:
- Help evaluate and select service providers
- Conduct fee benchmarking reviews
- Facilitate fiduciary committee meetings
- Provide investment education for employees
- Monitor plan design efficiency
- Assist with plan improvements and enhancements
- Serve as first-line support for both the employer and participants
Rather than navigating multiple vendors independently, the plan sponsor has a central point of contact.
This coordination reduces friction, increases efficiency, and enhances employee experience.
Fiduciary Governance and Ongoing Monitoring
Structured retirement plans require ongoing governance—not just initial setup.
Best practices include:
- Regular investment reviews
- Fee analysis and benchmarking
- Documented fiduciary committee meetings
- Participant engagement and education
- Plan design evaluation as the company grows
As businesses approach or exceed certain employee thresholds, regulatory complexity can increase. Proactive oversight ensures the plan evolves appropriately.
Supporting Business Growth Through Disciplined Retirement Planning
For companies with fewer than 100 employees, a structured retirement plan provides:
- Competitive employee benefits
- Tax-advantaged savings opportunities
- Owner retirement optimization
- Fiduciary risk management
- Professional investment oversight
When coordinated properly—with a 3(38) fiduciary, a qualified TPA, an efficient record keeper, and a dedicated retirement plan advisor—plan sponsors can fulfill their responsibilities confidently.
Growing businesses benefit most when their retirement plan is not just compliant, but strategically designed and professionally managed. A disciplined structure allows employers to focus on scaling their company while providing meaningful retirement support for their employees.