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Avon Chambers

A Bangladesh-based set of law chambers providing professional legal advice and representation to corporate and private clients.

Flat 4A, Level 3, Kanak Bindu, House 39A, Road No. 8
Dhanmondi, Dhaka 1205

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  • (88) 01521327783
  • avonchambers@gmail.com
  • Sat–Thurs, 9:30am – 6:30pm

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Prior results do not guarantee a similar outcome.

Portrait of Helena Marchetti
Attorneys

Helena Marchetti

Founding Partner

Helena advises founders, boards and private investors on the transactions that change the shape of a company — and on the governance that has to hold afterwards.

34

Years in practice

240+

Transactions closed

$2.1B

Aggregate deal value

9

Boards advised as outside GC

Biography

About Helena

Helena Marchetti founded Avon Chambers in 1998 after eight years in the corporate group of a Wall Street firm, where she came to a plain conclusion: the clients who most needed a partner's judgement were the ones least likely to receive it. She built the practice around the opposite premise.

Her work centres on mid-market mergers, acquisitions and financings, typically between $10M and $150M, with a concentration in fintech, healthcare services and industrial manufacturing. She has led more than 240 completed transactions and sits as outside general counsel to nine companies, several of which she has advised since incorporation.

Clients retain Helena for the difficult conversations as much as the documents — valuation disputes between founders, board deadlock, the diligence finding that arrives ten days before signing. She negotiates directly, drafts her own key provisions, and does not hand a matter to an associate once the engagement is signed.

Helena chairs the firm's opinion committee and teaches an annual seminar on deal governance at the Columbia Law School Center for Transactional Studies.

Education

  • J.D., Columbia Law School (1990) — Harlan Fiske Stone Scholar
  • B.A., Economics, Wellesley College (1986) — magna cum laude
  • Advanced Negotiation Programme, Harvard Law School (2004)

Bar admissions

  • New York State Bar (1991)
  • Connecticut State Bar (1996)
  • U.S. District Court, Southern District of New York
  • U.S. Court of Appeals, Second Circuit

Contact

  • (212) 555-0191
  • h.marchetti@avonchambers.com
  • Flat 4A, Level 3, Kanak Bindu, House 39A, Road No. 8
    Dhanmondi, Dhaka 1205

Representative work

Notable matters

  1. 01

    Lead counsel on the $86M cross-border acquisition of a three-country logistics group, including regulatory clearance in two jurisdictions.

  2. 02

    Restructured founder equity across eleven early contributors ahead of a $40M Series B, clearing diligence without a holdback.

  3. 03

    Defended a portfolio company board against a books-and-records action; petition withdrawn after a negotiated inspection protocol.

  4. 04

    Advised on the sale of a family-held manufacturer to a strategic buyer at 11.4x EBITDA, with full seller indemnity capped at escrow.

Prior results do not guarantee a similar outcome.

Recognition

Awards

  • Best Lawyers in America — Corporate Law (2014–2026)
  • Chambers USA, Band 2 — New York Corporate/M&A (2019–2026)
  • New York Law Journal, Distinguished Leader (2021)
  • Wellesley College Alumnae Achievement Award (2017)

Writing

Publications

  • “Earn-outs after the disclosure amendments,” New York Business Law Review, 2025
  • “Governance for companies that outgrow their founders,” Avon Chambers Insights, 2024
  • “Diligence findings and the ten-day problem,” Deal Practice Quarterly, 2022
  • Contributing editor, Mid-Market M&A Handbook (4th ed., 2020)

Founding Partner · Corporate & M&A

Book a consultation with Helena Marchetti.

Consultations with Helena Marchetti run 45 minutes and are held in person or by call, at your preference.

Direct line
(212) 555-0191
h.marchetti@avonchambers.com
Office
Flat 4A, Level 3, Kanak Bindu, House 39A, Road No. 8
Dhanmondi, Dhaka 1205
Confidentiality
Everything you send is treated as privileged and confidential, whether or not we go on to represent you.