Granahan Investment Management

Headquarters: Waltham, Mass.

AUM: $3.3 billion as of June 30

U.S. employees: 20

Years won: 2021-2023

"Granahan Investment Management's leadership team takes pride in creating a caring, positive culture that promotes collaboration and rewards performance. As a boutique investment firm, GIM has a close-knit team that works collaboratively while offering a healthy diversity of opinion. Service and philanthropy are also integrated into the heart what we do. As a founding firm of the Wall Street Diversity Accelerator program, we take great pride and joy in working with young college students, providing summer internships designed to offer hands-on experience in the asset management business."

• Holds quarterly companywide collaboration weeks with lunches, workshops and friendly competitions, such as cornhole tournaments and Halloween costume contests. Treats summer interns to ice cream socials and ends the year with a holiday party.
• Covers 100% of medical, dental and vision insurance premiums for employees and their dependents. Accommodates family responsibilities by providing flexible work hours.
• Participates as a founding member of the Wall Street Diversity Accelerator program, offering paid summer internships to minority students who are rising college sophomores and juniors.

• "The culture of the company has a family feel to it. Everyone is respectful, collaborative and willing to help each other. The work-life balance is very good."
• "They provide resources and situations to allow for collaboration to flourish. Recognition for a job well done is given when due. Benefits are generous and easy to use. A flexible work schedule respects the needs of employees."
• "There is autonomy with accountability. It's also an open environment where you can share views and opinions without being judged. In fact, you're encouraged to share your opinions."