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22 Valley Road | Katonah, NY 10536 | Tel. 914.232.1511      ||    280 Trumbull Street, 15th fl. | Hartford, CT 06103 | Tel. 860.519.5805





Limited Liability Company


Dedicated. Focused. Experienced.

O'Toole + O'Toole PLLC


22 Valley Road

Katonah, NY 10536


Tel: 914.232.1511

Fax: 914.232.1599



280 Trumbull Street

15th Floor

Hartford, CT 06103


Tel: 860.519.5805

Fax: 860.519.5813

Business Litigation


Investigations & Regulatory Compliance

Securities Arbitrations


O’Toole + O’Toole, PLLC is dedicated to providing strong advocacy and thoughtful, practical counsel to those seeking to avoid or resolve disputes. Understanding that most clients are not in the business of disputes, our mission is to partner with our clients to conduct an early case assessment, evaluate risks, identify potential outcomes and jointly determine the best strategy that will most likely achieve the desired and practical result.


Throughout their careers, from their days as Assistant United States Attorneys to in-house counsel and in private practice, founding members Marianne T. O’Toole and Andrew D. O’Toole have gained experience managing a wide range of litigation and regulatory matters.  They understand the importance of being aggressive and the desire to resolve litigation and regulatory disputes in a manner that maximizes value and efficiency.


We are selective in the matters we take on to ensure that each client and matter receives the individualized care and attention they deserve.


The Firm also recognizes its special role in the greater legal profession and is committed to finding meaningful ways it can be of service to the community. The Firm devotes significant hours of pro bono service each year.


O’Toole + O’Toole PLLC is a boutique law firm based in New York and Connecticut with a focus on representing individuals and companies in business litigation, appeals, governmental investigations and bankruptcy proceedings.