Innovation Inspired Insurance

Private Client | Technology | Venture Capital & Private Equity

PRIVATE CLIENT

TECHNOLOGY

VC/PE

ABOUT US

We are an innovation inspired insurance brokerage dedicated to serving our private client, technology, venture capital and private equity niches.  In our fourth generation, today, Costello & Sons offers strength and experience through focus on our clients and company culture.  Not everyone has heard of us.  But if you have, you know we work hard and we play hard.  And every day we challenge ourselves to raise the bar of what people expect from an insurance brokerage.

We are CSI.

600
TECHNOLOGY CLIENTS
200
VENTURE CAPITAL CLIENTS
2000
PRIVATE CLIENTS

A CULTURE WORTH SHARING

NOW THAT YOU’VE SEEN WHERE WE WORK HARD, SEE WHERE WE PLAY HARD

Culture

Dedicated to the secret to our success, our people.

Retreats

The fuel to the CSI engine.