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Comparison

Pillar Capital Group vs Sun Acquisitions

Comparing two boutique M&A advisors · Last updated April 2, 2025

AttributePillar Capital GroupSun Acquisitions
TypeBoutiqueBoutique
HQCleveland, OHChicago, IL
Founded20112002
Sector focusLower Mid-Market, IndustrialsLower Mid-Market, Industrials
Deal size$10M-$100M$5M-$50M
Senior team
  • Sean Kelley
    Managing Director
  • Domenic Rinaldi
    Managing Partner
Rating Locked Locked
Reviews0 verified0 verified

Choosing between Pillar Capital Group and Sun Acquisitions

Pillar Capital Group and Sun Acquisitions both work in Lower Mid-Market, Industrials. Founders running a sell-side process in those categories often see both names on their advisor longlist, which is why this comparison comes up. Both firms position themselves as boutique advisors, so the choice is less about category and more about pattern recognition, senior attention, and process fit.

Pillar Capital Group is headquartered in Cleveland, OH and was founded in 2011, while Sun Acquisitions operates out of Chicago, IL and was founded in 2002. Geography matters here: Pillar Capital Group's Cleveland relationships and Sun Acquisitions's Chicago relationships will overlap on national strategics but diverge on the regional private equity buyer set most likely to push price. On deal-size focus, Pillar Capital Group states $10M-$100M while Sun Acquisitions states $5M-$50M.

For founders deciding between Pillar Capital Group and Sun Acquisitions, 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.

Firm A profile
Pillar Capital Group
Cleveland, OH

Pillar Capital Group is a boutique headquartered in Cleveland, OH and founded in 2011. The firm focuses on Lower Mid-Market, Industrials and typically advises on transactions in the $10M-$100M range. Key dealmakers inclu...

Read the Pillar Capital Group profile and reviews
Firm B profile
Sun Acquisitions
Chicago, IL

Sun Acquisitions is a boutique headquartered in Chicago, IL and founded in 2002. The firm focuses on Lower Mid-Market, Industrials and typically advises on transactions in the $5M-$50M range. Key dealmakers include Domen...

Read the Sun Acquisitions profile and reviews

Frequently asked questions

What is the main difference between Pillar Capital Group and Sun Acquisitions?
Pillar Capital Group is a boutique HQ'd in Cleveland, OH (founded 2011), focused on Lower Mid-Market, Industrials, with a typical deal range of $10M-$100M. Sun Acquisitions is a boutique HQ'd in Chicago, IL (founded 2002), focused on Lower Mid-Market, Industrials, with a typical deal range of $5M-$50M. Beyond those facts, the most reliable differentiator is senior banker attention, which BankerNotes reviews are designed to surface.
Which firm has better founder reviews, Pillar Capital Group or Sun Acquisitions?
Pillar Capital Group's current rating is Locked (reviews unlock after five verified founders submit ratings). Sun Acquisitions'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 Pillar Capital Group and Sun Acquisitions?
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 Pillar Capital Group and Sun Acquisitions?
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 2, 2025