What is Sentinel Group's NAICS code?

Sentinel Group's NAICS code is 52 (Finance and Insurance).

Sentinel Group Tech Stack

Sentinel Group uses 8 technology products and services including eMoney, Adobe, Open Graph, and more. Explore Sentinel Group's tech stack below.

eMoney

Accounting

Adobe

Audio, Video, Graphics

Open Graph

Content Management System

yepnope.js

Javascript Frameworks

Modernizr

Javascript Libraries

Microsoft Office

Office Suites

reCAPTCHA

Security

Adobe Creative Suite

Visualisation Software

Sentinel Group's Email Address Formats

Sentinel Group uses at least 1 format(s):

Sentinel Group Email Formats	Example	Percentage
First.Last@sentinelgroup.com	John.Doe@sentinelgroup.com	91%
FirstL@sentinelgroup.com	JohnD@sentinelgroup.com	5%
Last@sentinelgroup.com	Doe@sentinelgroup.com	3%
First@sentinelgroup.com	John@sentinelgroup.com	1%

Sentinel Group Email Formats

Example

Percentage

First.Last@sentinelgroup.com

John.Doe@sentinelgroup.com

91%

FirstL@sentinelgroup.com

JohnD@sentinelgroup.com

Last@sentinelgroup.com

Doe@sentinelgroup.com

First@sentinelgroup.com

John@sentinelgroup.com

Frequently Asked Questions

Where is Sentinel Group's headquarters located?

Sentinel Group's main headquarters is located at 100 Quannapowitt Parkway Suite 300 Wakefield, Massachusetts 01880 United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is Sentinel Group's phone number?

You can contact Sentinel Group's main corporate office by phone at

+1-781-914-****

. 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?

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

What is Sentinel Group's SIC code NAICS code?

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

How many employees does Sentinel Group have currently?

As of June 2026, Sentinel Group has approximately 360 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Cfo, Partner: D. D.Cfo: D. D.Chief Operating Officer: B. H.. Explore Sentinel Group's employee directory with LeadIQ.

What industry does Sentinel Group belong to?

Sentinel Group operates in the Financial Services industry.

What technology does Sentinel Group use?

Sentinel Group's tech stack includes eMoneyAdobeOpen Graphyepnope.jsModernizrMicrosoft OfficereCAPTCHAAdobe Creative Suite.

What is Sentinel Group's email format?

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?

Sentinel Group was founded in 1987.

Sentinel Group

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

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

Q: How many employees does Sentinel Group have currently?

Sentinel Group has approximately 360 employees.

Q: What technology does Sentinel Group use?

Sentinel Group's tech stack includes Adobe Creative Suite, Microsoft IIS, jsDelivr, Node.js, WordPress.

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.

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Sentinel Group Tech Stack

Media & News

Sentinel Group sells assets to Hubbell Power Systems, Inc. in the amount of $3B.

Sentinel Group hired Joe Hendrickson as Senior Vice President, Strategic Growth, Retirement on Apr 13th '26.

Sentinel Group hired Sophie Benander as Head of Growth, Wealth Management on Apr 13th '26.

Sentinel Group received award Best in Class on Jan 1st '22.

Sentinel Group recognized as top place to work.

Sentinel Group recognized as top DC muli-office firm.

Sentinel Group receives award Community Engagement Award.