About Us

Harbinger is an advisory firm specializing in privately held middle market companies serving both sellers and buyers.

​We are based in Boston but our clients come from all over the United States.  We have relationships with the country's premier private equity firms, commercial lenders, and business owners.  We pride ourselves on our straight-forward and honest approach.

We've helped owners and companies meet and exceed their goals and advised clients on how to prepare a business for sale. We have real world experience in creating strategic partnerships, improving operations, and opening new sales channels to drive cash and enhance value.

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Our Promise

We are client-centric, transparent, hard-working, and relentlessly positive.  We don't give up on our clients.  We don't tell our clients things we think they want to hear.  We are there from start to finish - for the client.

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Our History

Harbinger Partners, LLC was founded in 2008 by David Walsh after a successful venture in a privately held consolidation investment.  He brings 34 years of business operations and development experience to business owners, private equity, and wealthy individuals in the small to mid-market.