Maciek Piekosz

As a partner and civil litigator with Siskinds’ personal injury law group, Maciek aims to provide high quality legal services and focuses on making himself available and accessible to his clients. With a primary focus on personal injury cases and insurance disputes, his practice includes motor vehicle accidents, slip and falls, injuries at work, assaults, tavern negligence, and long term disability benefit and pension disputes.

Maciek has represented clients before the Ontario Court of Justice and the Superior Court of Justice, as well as before numerous administrative tribunals, including the Financial Services Commission of Ontario, the Workplace Safety and Insurance Appeals Tribunal, the Pension Appeal Board, and the Social Benefits Tribunal.

Prior to obtaining his Bachelor of Laws and his Honours Bachelor of Arts in history from Western University, Maciek was actively involved in practical dispute resolution exercises, advocacy skills training, and competing in appellate moots and mock trials. During his time at Western, Maciek was also a committed student orientation program volunteer and a relentless intramural sport participant.

Maciek moved to London, Ontario, in 1989 from Krasnik, Poland, and has since become a lifetime Londoner, developing strong ties to the City of London and Southwestern Ontario.

He fought for me.
Everything that I was looking for help with [Maciek Piekosz] tried or was able to get for me. He fought for me. I am happy with him being my lawyer. He speaks my language (Polish) which made it easy for me to communicate with him. I would recommend to everybody if they need help after an injury that they use him. The rest of his staff cared, were diligent with communication and making me stay on top of tasks. - A.S.

Went above and beyond.
Can not say enough positive things about Maciek [Piekosz] and his team. He not only went above and beyond for me when I was at one of the hardest points in my life but continued to help make this entire process streamlined and as easy as possible.
Thank you for all your hard work, 100% would recommend him and the firm to anyone. – A.W.

Highly recommend Siskinds and Mr. Piekosz.
I had not worked with Siskinds before, therefore I was going into this blind. As well, I have never dealt with a legal problem like this going into this. I met with Mr Piekosz after setting up my first appointment. I was very nervous going to my first meeting, however instantly Mr. Piekosz made me feel at ease with his wonderful demeanour and friendly smile. What I had thought was going to be a legal hassle/drama (like you see on T.V.) Mr Piekosz took my information and professionally directed me through the steps that needed to be. It was an easy process. It took some time as these things can go but with leaving it in the professional’s hands (Mr. Piekosz) the outcome was a good one and I thank Mr. Piekosz for working hard for the end result. I would highly recommend Siskinds and Mr. Piekosz. Thank You. - B.K.

Professional, understanding, dedicated, and committed.
Words can not begin to describe the trust I have in Maciek Piekosz and his team. The legal team sought out to truly understand me and my injury and built a solid case which in turn elevated my confidence in them. I can also say that in conversation with the character witnesses that were called to testify on my behalf, many shared that they felt like Maciek and his team took the time to understand their relationship with me as well as our work environment. One witness spoke to their reluctance and nervousness to being a witness but their experience with Maciek and his team really reassured them that they were in great hands. Professional, understanding, dedicated, and committed are words I use to describe Maciek and his legal team. - E.D.

I am very grateful.
I would like to thank Maciek Piekosz and his amazing team at Siskinds. Thank you for all of your hard work and and supplying me with the best support team ever. You have a wonderful group of people working in your law office and I appreciate every one of you! I will always recommend the Siskinds team and Maciek in particular. I really appreciate how hard Maciek fought for me and will remember the kindness and empathy he has shown me. I am very grateful. - C.B.

Maciek is not afraid of taking on complex cases
I recommend Maciek Piekosz and his team to anyone finding themselves in a difficult situation. My case is proof that Maciek is not afraid of taking on complex cases. Maciek Piekosz and Lisa Stanowski make a professional, intelligent and supportive team in which I had full trust. That trust gave me peace of mind during the lengthy course of my case. Maciek, thank you sincerely for everything that you achieved for me. You deserve much praise for your time, work and effort in reaching for maximum results from day one to the very end. - E.K.

I am very, very happy with the outcome of my case.
Maciek Piekosz represented me in a personal injury case. From my first phone call with Maciek, to him coming to my home right after the accident, he made me feel understood, and showed great empathy for what I was going through. Maciek always made himself available to me, even for the smallest of questions. I trusted Maciek 100% from our first meeting as he always told me the truth, good or bad. During stressful times, he always explained exactly what was happening, why it was happening, and that always eased my mind a great deal.  I am very, very happy with the outcome of my case. I would highly recommend Maciek to anyone needing a Personal Injury Attorney. I am very grateful that I had Maciek Piekosz represent me, he is an Attorney second to none. Thank you for everything Maciek... you’ve literally changed my life. - C.S.

The confidence between us was fundamental.
We want to thank Mr. Jim Virtue, Mr. Maciek Piekosz, and Ms. Gina Pennington of Siskinds LLP, for all their efforts over the years and for going ahead with Grisel's case. Despite the language barrier and the distance between us, you always maintained contact and never made us lose hope. It was difficult for us, but the confidence between us was fundamental. We wish the best to all of you and always keep you in our mind. - R.W.

With their help, I had nothing to worry about aside from doing my best to focus on recovering from my injuries.
I have only positive feelings when looking back at my relationship with Maciek [Piekosz], Lisa [Stanowski] and Diana [Mayen] who represented my case through Siskinds. One can never expect to be thrust in a situation where personal injury legal representation is a necessity, however I am very fortunate to have met with and accepted the help of Maciek and his team. With their help, I had nothing to worry about aside from doing my best to focus on recovering from my injuries. They immediately helped connect me with a great team of occupational and physical therapists. They were very quick with getting me over any insurance related hurdles so that I was bale to quickly and easily start receiving income replacement benefits and employment insurance, as well as critical accident coverage that was initially denied until they got involved. They were always available to keep me up to speed with developments in legal proceedings and to answer and questions I had. They are a very professional and experienced team that went above and beyond to ensure that I got all the compensation that I deserved; certainly exceeding any expectations I may have had. - M.T.

I would highly recommend Maciek and his team for your legal needs.
I was thrilled with the service that Maciek [Piekosz], and his team had provided through this process. For the very first meeting Maciek came out to my house to explain to me how this process works. He took the time to answer all of my questions. Maciek provided me with prompt updates as well as continued to explain what was happening, and with what direction the case was going in. Maciek also helped me deal with the insurance company on several occasions. His team was also able to help me find new doctors, and places of rehabilitation to aid in the treatment process. I would highly recommend Maciek and his team for your legal needs. - Anonymous

I trusted his decisions and I'm glad I did!
Dealing with Maciek [Piekosz] was a great carefree experience for me. He and his team were readily available for any issues I came upon during my case. He dealt with everything and left me alone until he had good news. He settled in a way that was very fair for me. He knew my expectations and he met them. He kept me informed with major decisions, but handled little ones on his own which was great as I may not have thought like he did. I trusted his decisions and I'm glad I did! - Anonymous

Maciek dealt on my behalf as counsel with a depth of knowledge and understanding
From the initial meeting post accident to this conclusion, Maciek [Piekosz] with Lisa [Stanowski]'s support have been professional, wise, patient and kind. Most importantly, Maciek dealt on my behalf as counsel with a depth of knowledge and understanding , as well as negotiating skills needed to come to a successful conclusion. I am grateful to Siskinds for all that has been done to see us through to the ultimate conclusion. Please accept my most sincere thanks. - Anonymous

Polish

Ontario Trial Lawyers Association, Member
Middlesex Law Association, Member

Maciek Piekosz has been selected by his peers for inclusion in The Best Lawyers™ in Canada 2025. 

Case comment on the 2019 Nemchin v. Green decision from the Ontario Court of Appeal, Presented at the Middlesex Law Association Personal Injury Conference

Kickabout Charity Soccer Tournament, Founding Member
Alice Saddy Association, Past Director
Middlesex Law Association, Trustee
Middlesex Law Association newsletter, Editor
Ontario Trial Lawyers Association, Director
The Litigator, the Journal of the Ontario Trial Lawyers Association, Editorial Board
London Helmets on Kids, Committee Member

• Civil Motions in the Superior Court of Justice: A Practical Guide for Junior Lawyers
• Lawsuits and claims for accident benefits
• Michigan car crashes and available insurance benefits
• Safety at rail crossings
• What To Consider When Hiring A Personal Injury Lawyer
• Civil Motions in the Superior Court of Justice: A Practical Guide
• Bicycle Accident Compensation: Insurance Coverage for Injured Cyclists
• Injuries on Municipal Property: Notify Early
• Worker or Independent Operator? Factors to consider
• Understanding Litigation Guardians
• Uber Insurance Issues
• Know Your Rights: Auto Insurance Benefit Levels
• The Trillium Drug Program: Managing the Cost of Prescription Drugs
• Concussions: No Longer Just “Getting Your Bell Rung”
• Understanding OHIP: What health care services are covered outside of Ontario?
• Suing an Employer for Work Injuries: Lawsuits Vs. Workers’ Compensation
• Injured at Work? Lawsuits and Workers’ Compensation. Know the Difference New Article By Maciej Piekosz
• Recovering Compensation in Injury Claims Against Bars, Taverns and Social Hosts