Insights

Legal Services Scale Mid-sized Minneapolis law firm with a long history and broad practice areas including corporate finance, M&A, securities, real estate finance, lending, business litigation, healthcare litigation, employee benefits, IP, and labor and employment. Potential sales opportunity: cross-sell or expand engagement by offering fintech, corporate compliance, and intellectual property protection services to growing clients in healthcare, tech startups, and middle-market firms.

Technology Adoption Uses modern tech stack and solutions such as PWA, AWS, .NET, DocuSign, and PyScript, indicating a client-oriented, tech-savvy operation. Potential sales opportunity: IT services, cyber risk management, contract lifecycle optimization, and digital workflow automation or security solutions to improve efficiency and reduce risk for the firm and its clients.

Growth Signals Firm is 129 years old and maintains 51-200 employees with ongoing client engagements across startups to Fortune 500, suggesting a stable revenue base plus exposure to growth-stage clients. Potential sales opportunity: scalable advisory services in mergers and acquisitions support, corporate finance, regulatory compliance, and strategic risk assessment for expanding client portfolios.

Finance Focus Public information shows related entities with notable revenue and ongoing equity and financing activity, plus recent hires in equities research; potential cross-sell opportunities exist in financial technology, analytics, and compliance tooling for investment banking and wealth management segments linked to Oppenheimer brands.

Key Personnel Signals Recent leadership hires in equities research and notable staff movements indicate active expansion of financial services capabilities. Potential sales opportunity: provide client onboarding, data analytics, and research tooling, as well as training and support services to strengthen the firm’s market-facing research and investment advisory capabilities.

Oppenheimer Wolff & Donnelly Tech Stack

Oppenheimer Wolff & Donnelly uses 8 technology products and services including Amazon CloudFront, cdnjs, Microsoft Outlook, and more. Explore Oppenheimer Wolff & Donnelly's tech stack below.

  • Amazon CloudFront
    Content Delivery Network
  • cdnjs
    Content Delivery Network
  • Microsoft Outlook
    Email
  • jQuery
    Javascript Libraries
  • Marketo
    Marketing Automation
  • Microsoft
    Miscellaneous
  • PWA
    Miscellaneous
  • reCAPTCHA
    Security

Media & News

Oppenheimer Wolff & Donnelly's Email Address Formats

Oppenheimer Wolff & Donnelly uses at least 3 format(s):
Oppenheimer Wolff & Donnelly Email FormatsExamplePercentage
First.Last@opco.co.ilJohn.Doe@opco.co.il
100%
FLast@oppenheimer.comJDoe@oppenheimer.com
93%
FirstLast@oppenheimer.comJohnDoe@oppenheimer.com
3%
LFirst@oppenheimer.comDJohn@oppenheimer.com
2%
First@oppenheimer.comJohn@oppenheimer.com
2%

Frequently Asked Questions

What is Oppenheimer Wolff & Donnelly's phone number?

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You can contact Oppenheimer Wolff & Donnelly's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Oppenheimer Wolff & Donnelly's official website and social media links?

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Oppenheimer Wolff & Donnelly's official website is oppenheimer.com and has social profiles on LinkedIn.

What is Oppenheimer Wolff & Donnelly's NAICS code?

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Oppenheimer Wolff & Donnelly's NAICS code is 54111 - Offices of Lawyers.

How many employees does Oppenheimer Wolff & Donnelly have currently?

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As of July 2026, Oppenheimer Wolff & Donnelly has approximately 75 employees across 3 continents, including North AmericaEuropeSouth America. Key team members include Chief Operating Officer And Chief Compliance Officer: M. S.Managing Director Of Head Of High Grade Corporate Bond Trading: P. S.Director - Regional Control Officer: D. D.. Explore Oppenheimer Wolff & Donnelly's employee directory with LeadIQ.

What industry does Oppenheimer Wolff & Donnelly belong to?

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Oppenheimer Wolff & Donnelly operates in the Law Practice industry.

What technology does Oppenheimer Wolff & Donnelly use?

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Oppenheimer Wolff & Donnelly's tech stack includes Amazon CloudFrontcdnjsMicrosoft OutlookjQueryMarketoMicrosoftPWAreCAPTCHA.

What is Oppenheimer Wolff & Donnelly's email format?

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Oppenheimer Wolff & Donnelly's email format typically follows the pattern of First.Last@opco.co.il. Find more Oppenheimer Wolff & Donnelly email formats with LeadIQ.

When was Oppenheimer Wolff & Donnelly founded?

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Oppenheimer Wolff & Donnelly was founded in 1886.
Oppenheimer Wolff & Donnelly logo

Oppenheimer Wolff & Donnelly

Law PracticeMinnesota, United States51-200 Employees

Oppenheimer Wolff & Donnelly is a Minneapolis-based law firm with a history spanning more than a century. It serves businesses of all sizes—from startups to Fortune 500 companies—by providing practical legal guidance across a broad spectrum of corporate matters. The firm's core areas include corporate finance, mergers and acquisitions, securities, real estate finance, lending, and business litigation, complemented by specialized practices in complex healthcare litigation, employee benefits, intellectual property, and labor and employment. As a mid-sized firm within the law practice industry, it combines transactional and litigation capabilities to support clients through growth, risk management, and regulatory challenges. Based in Minneapolis, Minnesota, the firm maintains a longstanding presence in the regional market.

Section iconCompany Overview

Phone number
NAICS Code
54111 - Offices of Lawyers
Founded
1886
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    Oppenheimer Wolff & Donnelly's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Oppenheimer Wolff & Donnelly's revenue is estimated to be in the range of $25M$50M

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