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Jonathan R. Jasinski

Partner, M&A Practice at Harter Secrest & Emery LLP

Buffalo, New York, USA

JR
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Why they matter

Buffalo-based M&A partner who has led sell- and buy-side deals for PE sponsors and RIAs, with growing profile as a regional dealmaker connector.

Background

Jonathan R. Jasinski is a Partner in the Corporate and Mergers & Acquisitions practice groups at Harter Secrest & Emery LLP, based in Buffalo, NY. He holds a J.D. from Vanderbilt University Law School, an M.B.A. from Vanderbilt's Owen Graduate School of Management, and a B.A. cum laude from the University of Notre Dame. He represents private equity funds, venture capital funds, and their portfolio companies in M&A, financing, and general corporate matters, with particular depth in financial-services regulatory work (broker-dealers, RIAs) and CFIUS filings.

Notable deals

  • 2023
    Led HSE's deal team advising Lee Equity Partners and Twin Point Capital on their ~$160M take-private acquisition of Tessco Technologies (NASDAQ: TESS)
  • 2025
    Co-led HSE's M&A team advising ESL Federal Credit Union on its acquisition of Alesco Advisors, a Rochester RIA with $6B+ in assets under advisement
  • 2020
    Advised Karpus Investment Management on its ~$100M cross-border merger with LSE-listed City of London Investment Group

Call-prep brief

Jonathan R. Jasinski — Partner, Harter Secrest & Emery LLP

Background

  • Corporate/M&A partner in HSE's Buffalo office; joined the firm's Private Equity and Venture Capital practice in 2019.
  • Vanderbilt JD/MBA, Notre Dame BA (cum laude).

Current focus

  • PE- and VC-side M&A (buy-side and sell-side), portfolio company support, and a notable sub-specialty in financial-services regulatory deals (broker-dealers, RIAs, CFIUS).
  • Recently co-led two 2023–2025 deals: a ~$160M take-private (Tessco Technologies) and an RIA acquisition (Alesco Advisors) for ESL Federal Credit Union.

What he cares about

  • Regional/upstate NY deal ecosystem — active in Upstate Capital and quoted on deal-flow community building; likely values relationships with sponsors who bring repeat regional deal flow.
  • Regulatory complexity (RIA/broker-dealer M&A, CFIUS) as a differentiator vs. generalist M&A counsel.

Recent moves / signals

  • Named Buffalo Business First 40 Under 40 (2025); Best Lawyers: Ones to Watch (2024–2026); rising profile suggests he's building an independent book of business, not just executing partner-led deals.

Sensitivities

  • Confirm current staffing/availability — recently promoted/rising attorneys can be stretched thin across multiple live deals.
  • He represents both PE sponsors and strategic/credit-union acquirers — check for conflicts if targeting his existing client relationships.

Questions to ask

  1. Which home-services or roll-up sponsors has he worked with informally, even if not publicly announced?
  2. What's his current bandwidth/appetite for a new platform relationship vs. one-off deal work?
  3. Given his RIA/financial-services regulatory niche, does he see parallels or lessons applicable to home-services consolidation deal structures?

Outreach draft

Subject
Quick intro re: home services M&A
Jonathan, Your work leading the Tessco Technologies and Alesco Advisors deals caught my attention, particularly your ability to move quickly on complex, regulated transactions. We're building a buy-and-build platform in the home services space and are looking for outside counsel who can move at sponsor speed on a series of add-on acquisitions over the next 12-18 months. Would you have 20 minutes for a call in the next couple of weeks to discuss our pipeline and see if there's a fit? Happy to work around your schedule. Best, [Placeholder Name]

Linked companies

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