# Sentinel Group
Source: https://planprovider.pro/provider/sentinel-group

> Retirement plan administration is Sentinel Group’s core focus, with recordkeeping, participant advice, and plan design services for employers. Founded in 198…

Third-Party Administrator

Wakefield, MA

## About Sentinel Group

<p>Retirement plan administration is Sentinel Group’s core focus, with recordkeeping, participant advice, and plan design services for employers. Founded in 1987, the firm works with 1,900 clients and reports $13.0B in AUM (2026).</p>

<p>Headquartered in Wakefield in the Greater Boston area, Sentinel Group supports plans across the U.S. Its day-to-day work includes retirement planning support and employee benefits administration, paired with guidance for common financial needs such as budgeting, debt management, emergency savings, and insurance decisions.</p>

<p>Participant education is delivered through articles, webinars, and an online blog, which many sponsors use as part of their ongoing communication strategy. The firm also operates as an SEC-registered advisory firm through Sentinel Pension Advisors, Inc.</p>

<p>With about 260 employees, Sentinel Group’s differentiator is the mix of plan administration and participant-level financial coaching under one roof, which can simplify vendor management for plan sponsors looking for a single retirement plan partner.</p>

<ul>
<li>Plan administration and recordkeeping for employer-sponsored retirement plans</li>
<li>Participant advice and financial coaching</li>
<li>Plan design and ongoing plan changes</li>
<li>Education resources: webinars, articles, and blog content</li>
<li>Works with other <a href="/retirement-plans">retirement plan providers</a> as part of sponsor support</li>
</ul>

Website: [https://www.sentinelgroup.com/](https://www.sentinelgroup.com/)

Founded: 1987

Employees: 260

## Office Locations

- Wakefield, MA (Headquarters)

## Services Offered

- Recordkeeping

- Participant Investment Advice

- Plan Design Consulting

## Client Statistics (2026)

- Total Clients: 1,900

- Total AUM: $13.0B

- Total Participants: 260,000

## Other Third-Party Administrators in MA

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- [Fidelity Investments](https://planprovider.pro/provider/fidelity-investments) - Boston, MA

- [John Hancock](https://planprovider.pro/provider/john-hancock) - Boston, MA

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