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About McAllister Olivarus

We’re a transatlantic law firm headquartered near London, with offices in the United States.

We help clients who have faced unfair treatment at work, at their universities, from government agencies and online. We also help employees change jobs and employers to manage people effectively and legally. We deal frequently with cases of defamation, discrimination and harassment. 

Discrimination can come in many forms based on gender, race, sex, sexual preference, pregnancy, religion, nationality and many others. We have won lawsuits and secured substantial settlements on behalf of junior employees and senior executives at major companies and banks; professors and students at universities; lawyers at major firms; doctors at leading medical schools; and others.

Leaders in the field of online abuse, we repair the damage done to reputations and careers by online attacks: anonymous defamation, cyber-bullying, image-based sexual abuse (“revenge porn”).

Our sister firm, AO Advocates, achieves justice for survivors of historic child abuse. We focus particularly on cases with an international element, for example where the survivor now lives in a different country from the abuser or from the organization that employed the abuser.

We seek to deliver justice for individuals – and one case at a time, we hope to make the world better.

Some of our clients share their experience of working with us to achieve justice.

I will always be grateful for your unwavering support of me. Equally, I will always be grateful for showing me how to find my voice and strength.

Title IX case against UCLA, client confidential

It was such a weight off our shoulders; suddenly somebody else with a lot more experience was managing the case.

Sandeep Mander, Mander and Mander v. Royal Borough of Windsor & Maidenhead and anor

We really thought that there was nothing that anybody could do for us. We were wrong.

Dr Celeste Kidd, Aslin et al v. University of Rochester et al

To get the result you got you must be as tough with your legal opposites as you are kind and understanding to your clients.

AOA client, confidential

Compared with other law firms I’ve worked with, no one matches the combination that McO has of experience, brilliance, ferocious fighting and deep empathy for their clients.

Dr Holly Atkinson, Atkinson et al v. Mount Sinai Health System, Inc. et al

Because my case could not bear public scrutiny, a very powerful institution used massive financial resources to try to crush me for asking for my disability rights. This was a huge mistake, as they didn’t know that I would obtain McO representation. I couldn’t ask for better representation.

Disability Rights client, confidential

I would like to say from bottom of my heart, thank you. Thank you to all the team. Now I can go and forget my former employer. God bless you all.

Unfair Dismissal client, confidential