Insights

Expansion through partnerships Sentinel Group recently expanded its scope and reach by partnering with Financial Finesse, AI-driven digital Wellness Hub, signaling a strategic openness to integrated financial wellness solutions that can be cross-sold to existing and new employer clients.

Senior growth leadership New appointments in 2026 include a Head of Growth for Wealth Management and a Senior VP of Strategic Growth in Retirement, indicating a disciplined growth strategy and potential for selling advanced retirement planning and wealth services to mid-market plan sponsors.

End-to-end benefits platform Positioned as an easy-to-use employee benefits provider with a broad tech stack, presenting opportunities to upsell complementary HR technology integrations, digital adoption services, and enhanced data analytics partnerships.

Large revenue scale With reported revenue in the multi-hundred-million range and a staff size of 201-500, Sentinel Group targets mid-market to enterprise clients, suggesting a fit for large-portion retirement and wellness program contracts and multi-site engagement strategies.

Industry recognition Historical awards and top workplace recognitions, plus a track record of industry accolades in defined contribution and DC multi-office spaces, create credibility for upsell conversations around premium consulting, compliance, and best-in-class service offerings to prospective plan sponsors.

Similar companies to Sentinel Group

Sentinel Group Tech Stack

Sentinel Group uses 8 technology products and services including Hotjar, iCIMS, Tableau, and more. Explore Sentinel Group's tech stack below.

Media & News

Sentinel Group's Email Address Formats

Sentinel Group uses at least 4 email formats:
Sentinel Group Email FormatsExamplePercentage
First.Last@sentinelgroup.comJohn.Doe@sentinelgroup.com
84%
FirstL@sentinelgroup.comJohnD@sentinelgroup.com
11%
Last@sentinelgroup.comDoe@sentinelgroup.com
4%
Fir.Last@sentinelgroup.comJoh.Doe@sentinelgroup.com
1%

Frequently Asked Questions

What is Sentinel Group's phone number?

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You can contact Sentinel Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sentinel Group's official website and social media links?

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Sentinel Group's official website is sentinelgroup.com and has social profiles on LinkedIn.

How much revenue does Sentinel Group generate?

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As of October 2026, Sentinel Group's annual revenue is estimated to be $250M - $500M.

What is Sentinel Group's SIC code and NAICS code?

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Sentinel Group's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 52 - Finance and Insurance.

How many employees does Sentinel Group have currently?

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As of October 2026, Sentinel Group has approximately 364 employees across 5 continents, including North America, Asia and Europe. Key team members include Chief Compliance Officer A Broker / Dealer & Investment Advisor Entities: J. N., Chief Compliance Officer: J. N. A. and Vice President Financial Planner Private Client Group: B. O. Explore Sentinel Group's employee directory with LeadIQ.

What industry does Sentinel Group belong to?

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Sentinel Group operates in the Financial Services industry.

What technology does Sentinel Group use?

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Sentinel Group's tech stack includes Hotjar, iCIMS, Tableau, Microsoft Active Directory, Sentry, Pardot, Wistia and Adobe Creative Suite.

What is Sentinel Group's email format?

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Sentinel Group's email format typically follows the pattern of First.Last@sentinelgroup.com. Find more Sentinel Group email formats with LeadIQ.

When was Sentinel Group founded?

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Sentinel Group was founded in 1987.
Sentinel Group logo

Sentinel Group

Financial ServicesMassachusetts, United States201-500 Employees

Sentinel Group operates in the financial services sector as an employee benefits provider, delivering retirement plan consulting and financial wellness solutions. Its offerings are aimed at employers seeking to simplify administration and to enhance the financial well-being of employees. The company positions itself as a partner for organizations pursuing structured benefits programs that support both plan participants and program administrators.

Headquartered in Wakefield, Massachusetts, Sentinel Group is a mid-sized firm focused on retirement and wellbeing programs for workplaces. In April 2026, the company announced two senior leadership appointments to accelerate growth in wealth management and retirement services, naming Sophie Benander as Head of Growth, Wealth Management, and Joe Hendrickson as Senior Vice President, Strategic Growth, Retirement. The company maintains a website at sentinelgroup.com.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
52 - Finance and Insurance
Founded
1987
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    Sentinel Group's revenue is estimated to be in the range of $250M - $500M

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