Quality Driven.
Community Focused.
Windsor-Essex County Business Lawyers
Willis Business Law provides top-tier business law advice and guidance to private and public sector institutional clients and employers across Windsor-Essex County. Located by the beautiful riverfront in the heart of Windsor’s financial district, the firm blends the region’s sense of community with a big firm-level of professionalism.
Our Team
The dynamic team at Willis Business Law combines their knowledge and skills to provide clients with personalized business law solutions.
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William J. Willis
Founding Partner
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Dina Mejalli-Willis
Managing Partner
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J.P. Karam
Partner
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Doug Lawson
Of Counsel
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Robert Millson
Of Counsel
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Dana Young
Of Counsel
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Sandra Fischer
Senior Associate
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Nour Jomaa
Senior Associate
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Anthony Malandruccolo
Senior Associate
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Meghan Davidson
Associate
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Carolyn Alexander
Associate
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Ashley Bowers
Associate
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Tyler Donnelly
Associate
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Brandon Beck
Associate
Specialist advice and expertise on every file
Willis Business Law was founded by the only certified corporate and commercial law specialist in Windsor-Essex County, William J. Willis. Since its creation, the region’s vibrant business community has allowed the firm to expand into one of the area’s most reputable, fastest-growing business law firms.
William J. Willis has developed a reputation for integrity in the Windsor-Essex region. With William and his expertise behind every file, clients benefit from his specialized knowledge.
Community-Driven Legal Professionals & Leaders
The approachable lawyers of Willis Business Law pride themselves on being a team of community-minded leaders and professionals. The firm has built long-lasting relationships with reputable businesses, financial institutions, and other organizations and public bodies throughout Windsor-Essex by providing first-rate legal services with a personalized touch.
Willis Business Law has built a reputation for its proficiency in business law that has been recognized by the legal and business community at large. The lawyers at the firm are frequently asked to teach at the University of Windsor’s Faculty of Law and speak at business law conferences and panels. The Windsor-Essex Regional Chamber of Commerce has previously lauded William J. Willis’s skills by naming him Business Professional of the Year.
Client-Focused Business Law Solutions
The lawyers at Willis Business Law are invested in their clients’ success and sculpt their services around each client’s particular needs. Their established business law insight enables them to offer clients exceedingly efficient, timely, and personalized solutions.
Willis Business Law is committed to providing consistent and responsive service with a fast turnaround when responding to client inquiries. The boutique nature of the firm ensures that teams of lawyers and staff are well-versed on each client’s matter and remain able to assist throughout the file. Similarly, clients enjoy familiarity with all lawyers and staff working on their case.
Innovative Business, Employment, and Labour Law Lawyers
Willis Business Law offers a wide range of business and commercial legal services delivered by a team of dynamic and experienced lawyers.
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Business Law
Equipped with a mastery of Canadian business law, Willis Business Law develops proactive, pragmatic, and practical legal solutions to maximize clients’ efficiency and profitability. The firm represents clients in a full range of business law matters, including:
- Contract Negotiations
- Corporate Minute Book Compliance
- Creating a Business in Canada
- Selling Products & Services in Canada
- Creation of Business Structures
- Mergers, Acquisitions & Corporate Restructuring
- Leasing
- Debt Financing
- Procurement
- Commercial Real Estate
- Corporate Governance
- Non-Profit
- Privacy Issues
- Compliance With Privacy Legislation
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Employment Law For Employers
As part of its proactive and strategic business law services, Willis Business Law ensures clients’ businesses use the best employment practices to reduce risk and increase reward. The firm offers the following employment law services: -
Mediation Services
Dina Mejalli-Willis, Managing Partner of Willis Business Law, offers effective and fair mediation services throughout Windsor-Essex County. As a mediator, Dina uses her extensive litigation experience to provide valuable insight and impartial, practical guidance to parties involved in a dispute. -
Labour Law For Employers
In addition to its employment law services, Willis Business Law also represents unionized businesses falling under Ontario's Labour Relations Act in labour law matters. The firm’s knowledgeable labour lawyers provide quality legal solutions relating to:
Latest News
Informative articles and commentary on trending law topics, legal news, and current events.
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Business Law
30 Sep 2026
Who Pays the Tariff? Allocating Tariff Costs in Ontario Commercial Contracts
Read More >
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Employment Law For Employers
10 Sep 2026
Fixed Term, Open-Ended Risk: What Windsor-Essex Employers Should Know
Read More >
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Employment Law For Employers
31 Aug 2026
Ontario Court of Appeal Provides Major Guidance on Employment Termination Clauses
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Willis Business Law: Community-Minded Lawyers and Experts Serving Windsor-Essex County
Willis Business Law is a leader in the Windsor-Essex business law community. The firm is committed to providing first-rate, innovative business law, employment and labour law, and mediation services to private and public institutional clients. Their wealth of experience, relationship with their clients, and dedication to the community at large empower them to help clients achieve an unmatched level of efficiency and productivity.
Located in the heart of the City of Windsor, the offices of Willis Business Law overlooks the beautiful Detroit riverfront. The firm serves clients throughout Windsor-Essex County and the surrounding areas, including Amherstberg, Chatham-Kent, Essex, Kingsville, Lakeshore, LaSalle, Leamington, Pelee, Tecumseh, Windsor, and Sarnia. To speak with a knowledgeable lawyer or schedule a consultation, please contact the firm online or call 519-945-5470.
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