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Business Details
30 Years
experience
Trusted Chicago Legal Representation
Omoniyi Law Firm has provided dedicated legal representation to Chicago residents and businesses since 1996. Our practice focuses on business, immigration, family, and litigation matters, delivering personalized counsel tailored to each client's unique needs. With over two decades of experience, we prioritize responsiveness, trustworthiness, and results-oriented strategies. Our team combines courtroom expertise with practical solutions for complex legal challenges, including mergers and acquisitions, immigration visas, divorce settlements, and contract disputes.

Recognized for our commitment to client relationships, we serve local communities while maintaining a global perspective through international law services. We operate with transparency, ensuring clients receive clear guidance throughout every stage of their cases.
Services
Business Law Family Law Immigration Law Civil Litigation International Law
Details
  • Year established: 1996
Highlights and features
  • We offer 25+ years of legal experience in Illinois courts
  • Our team provides personalized counsel for complex cases
  • We maintain a 98% client satisfaction rate through responsive service
  • Recognized in Martindale-Hubbell for professional excellence
  • Specialized expertise in cross-border immigration and business law
Services
Business Law
We provide comprehensive business law services including entity formation, contract negotiation, and corporate compliance. Our attorneys advise startups and established companies on mergers, acquisitions, and commercial transactions. With deep industry knowledge, we help businesses navigate regulatory requirements and resolve disputes efficiently.
Immigration Law
Our immigration practice handles family-based visas, employment immigration, and asylum cases. We assist clients with EB-1 to EB-5 investor visas, deportation defense, and consular processing. The firm's experience extends to representing businesses in work visa petitions and compliance matters.
Family Law
We represent clients in divorce proceedings, child custody disputes, and support negotiations. Our approach balances compassionate counsel with aggressive advocacy for matters involving property division, spousal maintenance, and international child abduction cases under the Hague Convention.
Civil Litigation
With decades of trial experience, we handle complex civil litigation including contract disputes, business torts, and securities arbitration. Our attorneys develop strategic solutions for commercial litigation while maintaining focus on achieving cost-effective resolutions for clients.
International Law
We provide cross-border legal solutions for international business transactions and immigration matters. The firm's expertise includes Hague Convention cases, global visa processing, and advising multinational companies on regulatory compliance and trade regulations.
People
Sanjo Omoniyi
Attorney & Founder
Sanjo Omoniyi is a seasoned attorney with 25+ years of experience in immigration, business, and family law. He advises startups and corporations while actively contributing to EB-5 immigration publications. Admitted in Illinois and federal courts, he holds multiple advanced degrees including an MBA from Kellogg School of Management.
Questions
What immigration services do you offer?
We handle employment visas, family-based immigration, asylum cases, and deportation defense. Our services include EB-1 to EB-5 investor visas and consular processing assistance.
How does your firm approach family law cases?
We provide compassionate representation for divorce, child custody, and support matters while aggressively protecting client interests in negotiations and court proceedings.
What business law services are available?
Our business practice includes entity formation, contract drafting, M&A transactions, and commercial dispute resolution tailored to startups and established companies.
Do you handle international legal matters?
Yes, we specialize in cross-border transactions, Hague Convention cases, and global immigration solutions for businesses and individuals.
What litigation experience does the firm have?
With 25+ years of trial experience, we resolve complex civil litigation matters including contract disputes, business torts, and securities arbitration cases.