Atlas Advisors vs Guggenheim Securities
Comparing two boutique M&A advisors · Last updated April 22, 2025
| Attribute | Atlas Advisors | Guggenheim Securities |
|---|---|---|
| Type | Boutique | Middle market |
| HQ | New York, NY | New York, NY |
| Founded | 2015 | 2000 |
| Sector focus | Sponsor Coverage, Generalist | Generalist |
| Deal size | $100M-$2B | $250M-$10B |
| Senior team |
|
|
| Rating | Locked | Locked |
| Reviews | 0 verified | 0 verified |
Choosing between Atlas Advisors and Guggenheim Securities
Atlas Advisors and Guggenheim Securities both work in Generalist. Founders running a sell-side process in those categories often see both names on their advisor longlist, which is why this comparison comes up. Atlas Advisors is a boutique while Guggenheim Securities is a middle market, so the underlying business models differ even where the sector coverage overlaps.
Atlas Advisors is headquartered in New York, NY and was founded in 2015, while Guggenheim Securities operates out of New York, NY and was founded in 2000. Sharing a home market gives both firms similar buyer-side relationship density, so the differentiator tends to be senior attention rather than geography. On deal-size focus, Atlas Advisors states $100M-$2B while Guggenheim Securities states $250M-$10B. Beyond shared coverage, Atlas Advisors also reaches into Sponsor Coverage, while Guggenheim Securities extends into adjacent categories.
For founders deciding between Atlas Advisors and Guggenheim Securities, the honest recommendation is to take a working session with each named partner before signing. Read the firm-level reviews on BankerNotes for the pattern that matters most: did the partner who pitched the mandate run the buyer calls and final negotiations, or did the work slide down the org chart by week six. That pattern, more than league-table position, is what separates a good outcome from a mediocre one.
Atlas Advisors is a boutique headquartered in New York, NY and founded in 2015. The firm focuses on Sponsor Coverage, Generalist and typically advises on transactions in the $100M-$2B range. Key dealmakers include Daniel...
Guggenheim Securities is a middle market headquartered in New York, NY and founded in 2000. The firm focuses on Generalist and typically advises on transactions in the $250M-$10B range. Key dealmakers include Mark Van Li...
Frequently asked questions
- What is the main difference between Atlas Advisors and Guggenheim Securities?
- Atlas Advisors is a boutique HQ'd in New York, NY (founded 2015), focused on Sponsor Coverage, Generalist, with a typical deal range of $100M-$2B. Guggenheim Securities is a middle market HQ'd in New York, NY (founded 2000), focused on Generalist, with a typical deal range of $250M-$10B. Beyond those facts, the most reliable differentiator is senior banker attention, which BankerNotes reviews are designed to surface.
- Which firm has better founder reviews, Atlas Advisors or Guggenheim Securities?
- Atlas Advisors's current rating is Locked (reviews unlock after five verified founders submit ratings). Guggenheim Securities's current rating is Locked (reviews unlock after five verified founders submit ratings). Read the individual firm profiles for the full review breakdown.
- Should I shortlist both Atlas Advisors and Guggenheim Securities?
- For most founders evaluating sell-side advisors with overlapping sector and deal-size fit, putting both on a shortlist is reasonable. The point of a bake-off is to test how the senior team behaves under pressure, how the firm shapes the buyer universe, and how it handles a difficult diligence question. Treat the shortlist as an interview, not a beauty contest.
- How does BankerNotes verify reviews of Atlas Advisors and Guggenheim Securities?
- Every review is submitted by a founder who confirms they hired the firm as their sell-side advisor. We verify the reviewer privately using work email, LinkedIn, and approximate engagement timing. The verified identity is never published. Only the rating, written review, and a generic sector label appear on the public page.
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Last updated: April 22, 2025