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What are the different types of investment banks?

The main types of investment banks explained: bulge brackets, elite boutiques, middle-market, and regional banks, and what each is known for in recruiting.

OFFERGOBLIN·7 min read·updated August 2026
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Candidates talk about banks as if prestige were the only axis. That is not how recruiting works.

For interview prep and target-list building, the useful question is: what kind of platform is this bank, what does it tend to be known for, and why would this office or group make sense for me?

If you are using this as an incoming MBA, pair this article with Early Decisions: the goal is to turn bank types into a realistic bank-office target list.

This article is the map.

The five buckets

Most investment banking target lists are built from five bucket types:

  1. Bulge brackets. The large global banks with full-service platforms and big balance sheets.
  2. Elite boutiques. Advisory-focused firms competing at the top of M&A and restructuring.
  3. Middle-market banks. Real deal flow with smaller clients, often strong sector franchises.
  4. Regional offices. The same brand, but a different mandate, alumni base, and recruiting dynamic per city.
  5. Sector specialists. Narrow platforms with deep reputations in one industry.

Build the right mix of these for your school, geography, background, and risk level. The named banks in each bucket, and how to turn them into a target list, follow below.

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