Practice Areas

Litigation

We are aggressive yet professional, emphasizing practicality over posturing. Clients turn to O’Mara & O’Callaghan to be their fearless champion and advocate – especially in the face of long odds and powerful adversaries.We have spent our entire careers in the courtroom achieving favorable outcomes for our clients. We have collectively tried hundreds of cases over […]

Business Counseling

Our litigation experience gives our business clients an edge. Companies from start-ups to multimillion-dollar corporations rely on O’Mara & O’Callaghan to form and grow their businesses.Clients know our litigation experience gives them an edge with their transactions, contracts and employment agreements because we understand the pitfalls that can arise with enforceability, arbitration, and potential litigation […]

Financial Services Litigation & Arbitration

We counsel, investigate, and litigate on a wide range of financial services matters. O’Mara & O’Callaghan has extensive experience in financial services matters, from investigating fraud and embezzlement to providing guidance regarding corporate governance and employment issues. We have a deep understanding of – and experience counseling on – the norms and regulations of the […]

Employment Matters

We prevent and resolve compensation, bonus, and employment disputes. Companies and individuals trust O’Mara & O’Callaghan to prevent and resolve compensation, bonus, and employment disputes.Our litigation experience informs all the contracts we draft. We leverage our in-depth knowledge of the language that stands up in court to draft executive compensation agreements, employment agreements, and contractor […]

White Collar Defense

We have spent our entire careers as prosecutors building and prosecuting cases involving financial crimes. Clients turn to O’Mara & O’Callaghan to be their advocate when facing criminal charges by the Department of Justice or State of Illinois, or during regulatory investigations initiated by FINRA, the CFTC, the SEC, NFA, state securities commissions, or the […]