Forbes America's Most Promising Companies

Vault Best Advertising Agencies

What It Is: This annual list ranks high-growth, privately-held companies with under $300 million in annual revenue.

Why It Matters To You: Sizing up younger, privately held firms is tricky. This is a ranking of 100 up-and-comers with serious growth potential.

Considerations:  The ranking is based not only on growth (both in sales and hiring), but also on quality of management team and investors, margins, market size and key partnerships. It's unclear whether the ranking is still updated regularly as the last available ranking is from 2015. 

Created By: Forbes

Key Sample Findings

  • 2015 Analysis: Check out the latest up-and-comers with a new surge of companies applying for the top honor.


  • Ranking: See which companies have the next billion dollar ideas.
  • Previous Years: 2014, 2013, 2012

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