
Corporate/M&A
USA Guide 2026 : Missouri: St Louis & Surrounds
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Armstrong Teasdale LLP
Our firm’s lawyers regularly lead and coordinate significant M&A matters, working closely with clients’ internal teams, financial advisers and other professionals, and provide critical leadership and support for complex transactions. Clients benefit greatly from our ability to work as a team and access the experience of lawyers in the firm’s other practice areas. This teamwork also allows us to complete all aspects of a deal, from due diligence and disclosure, regulatory planning and analysis, financing, tax structuring, negotiation and closing. Our lawyers are also well-versed in current M&A market terms and trends, including the use of representations and warranties insurance products.
We provide M&A services to public and private companies, covering regional, national and international businesses of all sizes. We regularly represent both purchasers and sellers and have worked closely with strategic investors, financial investors, management groups, and private equity and venture capital firms. We work across diverse industries including broadcasting, financial services, technology, health care/pharmaceutical, retail, manufacturing, distribution, utilities, wireless communications, chemicals and real estate, with deal sizes ranging into the hundreds of millions. Our broad experience gives us a deep understanding of the dynamics at play in any M&A transaction, which facilitates risk assessment, enables us to better advise clients, and secure a favorable closing.
Industries (12)
- Broadcasting
- Financial Services
- Technology
- Health Care
- Pharmaceutical
- Retail
- Manufacturing
- Distribution
- Utilities
- Wireless Communications
- Chemicals
- Real Estate
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Armstrong Teasdale LLP acted as buy-side M&A counsel to Community Partners Savings Bank, Salem, Illinois, in its proposed acquisition of Guardian Savings Bank, Granite City, Illinois.
Strengths
Provided by Chambers
The attorneys at Armstrong Teasdale are thorough, offer a broad range of expertise and are good communicators.
Corporate/M&A respondentUSAArmstrong Teasdale demonstrates the highest level of expertise in all matters.
Corporate/M&A respondentUSAArmstrong Teasdale is a trusted adviser. The team is highly responsive, creative and knowledgeable about our business.
Corporate/M&A respondentUSAThe department is thorough and does a great job working with clients.
Corporate/M&A respondentUSAWe value the team's deep knowledge of M&A law, creativity and problem-solving skills. It also has a strong grasp of current trends in the market.
Corporate/M&A respondentUSA
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
Mark Stoneman
Mark Stoneman is recognized for his expert handling of deals such as sales, acquisitions and joint ventures. He draws on previous accounting experience to advise on all financing and corporate aspects of transactions. Mark is outstanding and a great lawyer.
Corporate/M&A respondentUSAMark is a gentleman and an expert adviser.
Corporate/M&A respondentUSA
Band 3 
Band 3 
Jennifer Byrne
Jennifer Byrne concentrates her law practice on mergers and acquisitions, securities and corporate finance, general corporate issues, emerging companies and corporate governance.
Band 3 
Band 3 
Paul Cambridge
Paul Cambridge offers counsel in a broad range of corporate transactions, including M&A, joint venture formation and securities matters. He advises clients across the spectrum of the corporate lifespan, from startups to public companies.
Ranked Individuals at Armstrong Teasdale LLP (3)
Members
Provided by Armstrong Teasdale LLP

Michael Jefferies
Head of Department

David W Braswell
Head of Department


Paul Cambridge
View profile of Paul Cambridge
Jennifer Byrne
View profile of Jennifer Byrne
Armstrong Teasdale LLP has rankings in the following guides
Band 2 USA 2026
Practice area: Corporate/M&A
Location: Missouri: St Louis & Surrounds
View department profile for USA 2026
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