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Top Companies in Waltham, MA

Glassdoor brings you an inside look at the top rated companies in Waltham based upon employee reviews.

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Everbridge HQ: Glendale, CA

An Everbridge employee said:

“High Growth Company with great people, products and customers”
“Company is experiencing rapid sales growth while continuing to innovate and launch new products. Everbridge is the clear market leader for critical communications. The company is winning many blue…” –
43 Reviews

Overall Company Rating

4.3 Employees are “Very Satisfied”

Overall CEO Rating

Jaime Ellertson
94% Approve

NetProspex HQ: Waltham, MA

A NetProspex Senior Software Engineer said:

“Great place to work, and grow career”
“Fast paced environment, lots of company and career growth, hot market, "Big Data" on the resume. Company is small enough for individuals to have a big impact but big enough that the work is a team…” –
23 Reviews

Overall Company Rating

4.7 Employees are “Very Satisfied”

Overall CEO Rating

NetProspex CEO Michael Bird

Michael Bird
100% Approve

Trinity Partners HQ: Waltham, MA

A Trinity Partners Senior Consultant said:

“Growing company with strong client relationships and smart, driven, positive people who want you to do well”
“Lots of responsibility from day one. There is a strong emphasis on employee training and development. It's not at all a competitive atmosphere. The company wants you to do well and grow with the…” –
29 Reviews

Overall Company Rating

4.6 Employees are “Very Satisfied”

Overall CEO Rating

John Corcoran
100% Approve

Mimecast HQ: London, United Kingdom

A Mimecast SMB Sales said:

“Great place for long term sales career”
“Mimecast provides the support needed to be a successful sales person. They excel from top to bottom - the education team to their SVP of Sales, they are all involved. Mimecast invests in their…” –
22 Reviews

Overall Company Rating

3.8 Employees are “Satisfied”

Overall CEO Rating

Mimecast CEO Peter Bauer

Peter Bauer
99% Approve

Bit9 + Carbon Black HQ: Waltham, MA


A Bit9 + Carbon Black employee said:

“Best move I've ever made”
“Love the atmosphere. Everyone is so supportive and there is a work hard, play hard mentality here. There is a clear direction at Bit9 + Carbon Black, and everyone seems to be on board in…” –
26 Reviews

Overall Company Rating

4.4 Employees are “Very Satisfied”

Overall CEO Rating

Bit9 + Carbon Black President & CEO Patrick Morley

Patrick Morley
100% Approve

Brandeis University HQ: Waltham, MA

A Brandeis University Food said:

“Awesome people with high morale”
“The school is looking to expand and open new departments which had led to an uptick in morale. The school is still focused on the sciences, while the more artsy fields are not as regarded.” –
84 Reviews

Overall Company Rating

4.2 Employees are “Very Satisfied”

Overall CEO Rating

Brandeis University President Frederick M Lawrence

Frederick M Lawrence
82% Approve

ZoomInfo HQ: Waltham, MA

About ZoomInfo ZoomInfo has been a B2B data front-runner for more than a decade. We're constantly engineering technologies to make our business information second to none. ZoomInfo creates…Full Overview

A ZoomInfo employee said:

“Opportunities are endless!”
“ZoomInfo is an amazing community filled with the most brilliant, creative, and passionate people. The work environment is the best I’ve ever seen! The culture is fairly young and encourages a…” –
38 Reviews

Overall Company Rating

4.2 Employees are “Very Satisfied”

Overall CEO Rating

Jonathan Stern
77% Approve

Black Duck Software HQ: Burlington, MA

​​​​​Helping Developers Build Better Software Faster with the Power of Open Source​​ At Black Duck, we believe the future of software development relies on the effective and informed use of open…Full Overview

A Black Duck Software Senior Systems Administrator said:

“Held back by cheap head of Finance and a silo-building mentality.”
“There are no pros to working in IT here. If they make you an offer, decline with prejudice. Tell them you'd rather work somewhere that cares about their employees and offers the perks of the modern…” –
22 Reviews

Overall Company Rating

4.2 Employees are “Very Satisfied”

Overall CEO Rating

Lou Shipley
86% Approve

McKinsey & Company HQ: New York, NY

​ Someone once said “Far and away, the best prize that life has to offer is the chance to work hard at work worth doing.” Our consultants tackle complex, world-shaping challenges… from…Full Overview

A McKinsey & Company Senior Research Analyst said:

“Great learning opportunities, but can be a directionless grind sometimes.”
“You will never run out of new, interesting things to work on. The benefits are gold-plated. You work with exceptional people. The Firm commits huge resources to continuing development through formal…” –
1,035 Reviews

Overall Company Rating

4.2 Employees are “Very Satisfied”

Overall CEO Rating

McKinsey & Company Managing Director Dominic Barton

Dominic Barton
98% Approve HQ: Waltham, MA

A National Sales Manager said:

“National Sales Manager”
“Great people, fun team enviroment, generous comp, mgmt recognizes and appreciates your efforts” –
12 Reviews

Overall Company Rating

4.1 Employees are “Very Satisfied”

Overall CEO Rating General Manager Aaron Bailey

Aaron Bailey
100% Approve