Retirement plan administrators and recordkeepers
Third-party administrators (TPAs) handle plan design, compliance testing, and government filings for 401(k) and other employer retirement plans, mostly for small employers. Recordkeepers keep participant account records, process contributions and trades, and run the participant website, and they are far larger and more concentrated than TPAs.
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ActiveSeveral sponsor-backed TPA platforms are buying regularly, but most small owner-run TPAs have not sold yet, while recordkeeping itself is already concentrated and not a rollup target.
- Fragmentation
- High
- The TPA side is made up of many small owner-run firms serving small plans, even though recordkeeping is concentrated.
- Universe from a public registry
- Medium
- Form 5500 Schedule C names service providers for large plans, but there is no TPA license list and small-plan filings do not name providers.
- Recurring revenue
- High
- Plans need testing and annual filings every year, so TPA and recordkeeping fees recur with low client churn.
- Change-of-control friction
- Low
- A TPA sale needs no regulatory approval, though RIA or trust company arms add consent and approval steps.
- AI operating leverage
- High
- Census cleanup, compliance testing, contribution calculations and Form 5500 preparation are rule-based and make up most of the labor.
Our view. For change-of-control friction, High means harder to close.
Universe
Registry
DOL EBSA Form 5500 datasets (EFAST2). Structured data from every Form 5500 and 5500-SF filing, refreshed monthly. Large plans attach Schedule C, which names service providers paid $5,000 or more, so recordkeepers and many TPAs serving larger plans can be listed. Small plans filing the 5500-SF do not list service providers, so most TPAs serving small plans do not appear by name. There is no federal or state license or registry for retirement plan TPAs.
Private pension plans grew to about 836,800 in plan year 2023, per the DOL. Of these, about 724,700 were 401(k)-type plans, up 5.6 percent from 2022.
These plans covered 155.5 million participants in 2023. Plan assets rose from $11.0 trillion to $12.4 trillion that year.
Recordkeepers in PLANSPONSOR's 2026 survey reported adding 117,719 DC recordkeeping plans in 2025. A 2026 trade press column said state retirement plan mandates create more plans.
Source: PLANSPONSOR, Jul 9, 2026; WealthManagement.com, Oct 12, 2026
We could not find a public, current count of US retirement plan TPA firms or of active recordkeepers. A firm count has to be built from Form 5500 Schedule C data or from trade association membership.
Our view
Diligence risks
A TPA acquirer quoted in 2026 trade press said TPA professionals are retiring in a highly constrained talent market.
The DOL says its cybersecurity guidance generally applies to all employee benefit plans and is meant to help plan sponsors, fiduciaries, service providers and participants safeguard plan data, personal information and plan assets.
Client retention depends on the founder and on referring advisors, and some large recordkeepers also run TPA arms that compete for the same plans. Diligence should test plan attrition after past ownership changes and the share of revenue tied to a few advisors or recordkeeper channels.
Our view
Fragmentation
In plan year 2023, 734,856 of the roughly 836,800 private pension plans had fewer than 100 participants.
Recordkeeping is concentrated. In PLANSPONSOR's 2026 Recordkeeping Survey, the top 5 recordkeepers held 69% of DC plan assets and the top 10 held 86%, up from 63% and 83% in 2021.
Source: PLANSPONSOR, Jul 9, 2026
The rollup opportunity is in TPAs, not recordkeepers. Recordkeeping already sits with a small group of large insurers, asset managers and sponsor-owned platforms, so new entrants would be buying share at scale prices.
Our view
Revenue model
TPAs mostly earn annual per-plan fees for testing, plan documents and Form 5500 preparation, plus per-event fees for distributions, loans and amendments. Clients rarely switch without a trigger, so revenue behaves like a subscription.
Our view
ERISA rules require a covered service provider that offers recordkeeping services to describe all direct and indirect compensation it reasonably expects to receive for those services.
As of 2026, the IRS says employers starting a plan may be able to claim a startup tax credit of up to $5,000 for three years.
Change of control
Retirement plan TPAs need no federal or state license, so a TPA sale does not need regulatory approval. The real hurdle is keeping plan sponsors and the advisors who refer them, since service agreements are usually terminable on notice.
Our view
Under ERISA, a covered plan service provider must disclose changes to its required disclosures as soon as practicable, but not later than 60 days after it learns of the change.
Friction rises when the target also runs an RIA, a fiduciary services arm, or a trust company. Advisory contracts need client consent to assign, and trust charters need regulator approval.
Our view
Who is consolidating
No aggregate evidence is shown for this section.
Where AI changes the cost base
Most TPA labor sits in plan administrators who collect and clean payroll census data, run nondiscrimination and coverage tests, calculate contributions, and prepare Form 5500 filings. Each of these is a rule-based task driven by IRS and DOL requirements and plan documents.
Our view
A 2026 trade press column said technology and AI will hit TPAs harder in the short term than almost any other part of the DC market. A TPA acquirer quoted in it said the firms that thrive will automate census collection, testing and annual filings.
Other document-heavy work includes plan document and amendment drafting, distribution and loan paperwork, and reconciling recordkeeper data with payroll. Acquired TPAs often run different admin software, so moving them onto one platform is a precondition for automation.
Our view
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