Full-Scope 3(16) Fiduciary Administration for Retirement Plans
Hand us the fiduciary liability you were never meant to carry — we assume administrative responsibility, reduce fiduciary liability, and coordinate with your advisor and recordkeeper, so plan sponsors can get back to running their business.
- ERISA Section 3(16) Plan Administrator
- ERISA Section 402(a) Named Fiduciary
- Directed Trustee Services
- Plan Benchmarking Partner
Admin316 helps employers reduce fiduciary risk, simplify administration, and preserve existing relationships with advisors and recordkeepers.
Independent Since
Plans Administered
States Served
Trusted by Plan Sponsors Across the United States
We Work Alongside Leading Recordkeepers & Plan Providers
ERISA Section 3(16)
Plan Administrator
We take over day-to-day plan administration, notices, filings, corrections, and compliance oversight, so your team is no longer personally responsible for plan operations.
ERISA Section 402(a)
Named Fiduciary
We serve as the named fiduciary responsible for plan administration under the plan document, assuming legal accountability so you don’t have to carry it alone.
403(a) Trustee
Directed Trustee Support
We collaborate with your team, advisors, and recordkeepers to align everyone around the plan’s governance framework.
The Fiduciary Partner Employers Have Trusted Since 1997
Since 1997, Admin316 has specialized exclusively in retirement plan administration and fiduciary services. We work with employers nationwide to simplify plan administration, reduce fiduciary exposure, and preserve the advisor and recordkeeper relationships already in place. We don’t replace your team, we assume the responsibility your team was never meant to carry.
our vision
To be the most trusted independent fiduciary firm in the United States, known for assuming the administrative responsibility employers were never meant to bear alone.
our mission
We do not replace your advisor, recordkeeper, payroll company, CPA, or ERISA attorney. Instead, we coordinate these relationships and provide the fiduciary oversight layer that protects your organization and your participants.
975+ Plans Administered
Reducing Fiduciary Liability for Employers Across the United States
What We Handle So You Don't Have To
| Responsibility | Employer | Admin316 |
|---|---|---|
| Eligibility Tracking | ➖ | 🔵 |
| Participant Notices | ➖ | 🔵 |
| Form 5500 Signature | ➖ | 🔵 |
| Compliance Support | ➖ | 🔵 |
| Participant Requests | ➖ | 🔵 |
| Annual Administration | ➖ | 🔵 |
- Why Choose Us
We replace the employer as the plan administrator and fiduciary support partner.
Preserve the relationships you value while transferring day-to-day fiduciary responsibility to experienced professionals who have been doing this exclusively since 1997.
We Reduce Your Liability
By assuming fiduciary responsibility under ERISA Section 3(16) and 402(a), we take on the legal accountability that would otherwise rest on your shoulders as the plan sponsor.
We Don’t Replace Your Team
We work alongside your existing advisors and recordkeepers, strengthening your plan’s compliance without disrupting the relationships already in place.
We Are Fully Independent
We sell no investments, earn no commissions, and profit from no plan decisions. Our only obligation is to your plan and its our participants.
We Are Proactive, Not Reactive
We monitor regulatory changes, manage filings, and review compliance on an ongoing basis, keeping your plan ahead of IRS and DOL requirements before problems arise.
- In Business Since 1997
- 100% Independent & Conflict-Free
- ERISA Fiduciary Specialists
ERISA 3(16) Plan Administration
We assume full administrative responsibility for your retirement plan, handling day-to-day operations, participant notices, compliance filings, and corrections so your team is no longer exposed to plan administration liability.
Plan Operations Oversight
- Compliance
- Operations
Participant Notices & Disclosures
- Notices
- Timely
Form 5500 Filing & Corrections
- Filings
- Corrections
ERISA 402(a) Named Fiduciary
Admin316 serves as the named fiduciary under your plan document, assuming legal responsibility for plan administration decisions and providing a clear, defensible governance structure for your organization.
Named Fiduciary Designation
- Governance
- Fiduciary
Plan Document Governance
- Governance
- Oversight
Fiduciary Liability Transfer
- Liability
- Transfer
Plan Benchmarking & Review
We conduct thorough benchmarking reviews of your plan’s fees, investment options, and design, comparing them against industry standards to identify savings opportunities, reduce risk, and fulfill your fiduciary obligation to participants.
Fee Benchmarking
- Cost
- Savings
Investment Review
- Investment
- Review
401(k) Audit Support
- Audit
- Ready
- How We Work
step 1
Schedule a Consultation
Book a free call with an Admin316 fiduciary specialist, no pressure, no sales pitch, just straight answers about your plan’s current exposure.
step 2
Review Your Existing Plan
We assess your current plan documents, fee structure, operations, and compliance posture, identifying every responsibility your organization is currently carrying.
step 3
Receive Recommendations
We deliver a clear, actionable report outlining exactly what we found, what needs to change, and how Admin316 can assume the responsibilities your team shouldn’t be managing alone.
step 4
Implement and Transfer Responsibility
We step in, assume your fiduciary obligations, and get to work, so you can get back to running your business with complete confidence your plan is protected.
Michael Anderson
President · Construction Company
Over $142,000 in Client Penalties Avoided
"Admin316's analysis of our DOL filings uncovered excessive fees and saved our company more than $142,000 annually."
- FAQ
Frequently Asked Questions
A qualified 3(16) fiduciary assumes administrative responsibilities including ERISA compliance, government filings, and daily operations, dramatically reducing employer exposure to liability.
It reduces sponsor liability, shifts administrative burdens to an expert, ensures timely IRS/DOL compliance, minimizes penalties, and provides professional oversight of all plan documentation.
A 3(16) administrator handles plan operations and compliance. A 3(38) investment manager holds discretionary authority over the plan's investment menu, both roles can be assumed by Admin316.
Fiduciary wealth management goes beyond basic administration by combining investment advisory expertise with fiduciary oversight. While traditional plan administration focuses on compliance, filings, and recordkeeping, fiduciary wealth management ensures investment strategies align with participant interests and regulatory standards. When paired with Admin3(16)’s expert plan administration, this dual approach creates a comprehensive solution, balancing both investment performance and administrative excellence.