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About Us

A cornerstone of Ottawa’s legal community

Founded by John P. Nelligan and Denis Power, Nelligan Law first began as  Nelligan Power.

In 1963, Denis Power joined John P. Nelligan’s law office as an articling student, and in 1969, the Nelligan Power partnership was established.

Since our firm’s founding in 1969, we have grown to a team of over 55 lawyers and 50 administrative professionals, making us one Ottawa’s largest local law firms.

Our expertise and experience expands across many different practice groups, allowing us to serve our clients and help guide them as they navigate through pivotal moments in life. 

Learn about what kinds of services we offer here

We are real people who happen to be lawyers.

Our team of lawyers, legal assistants, and administrative professionals are dedicated to providing the best possible services for our clients. We take pride in the opportunity to make a meaningful impact in our clients’ lives.

We know that no one wants to find themselves needing a lawyer – whether you’ve lost your job, are separating from your spouse, or were injured in an accident. 

During these vulnerable moments in life, you need not only an experienced professional in your corner, but someone who listens, understands what you’re going through, and can take on some of the emotional burden. That’s what our team provides.

While our profession is the law, our mission is peace of mind.


A great place to grow your career

We are thrilled to be recognized as as one of the National Capital Region’s Top Employers for 2023 and 2024. 

How we work


We translate the legalese and break down all possible paths and outcomes - empowering our clients to take control of their file and feel confident in their decisions.

Team-based approach

When you hire one of our lawyers, you are hiring a full team of professionals. Our collaborative team approach finds you the right fit and relevant expertise to get you the best possible outcome.


We pride ourselves on being fully transparent - which goes as far as telling you when you don’t need us.