Builds the firm's website, automation, and AI tooling.
Guillaume builds and runs Costaras Law's digital presence: the website, the automation behind the scenes, and the AI tooling, always with attorney oversight, that lets a boutique firm move faster and serve clients better.
He pairs deep software and artificial intelligence expertise with a focus on practical, measurable results for the firm and its clients.
Hear directly from clients across Northeast Ohio.
“Nicholas is a very knowledgeable attorney who does tremendous work. I cannot recommend his team and his services enough!”
“Costaras Law handled setting up my Trust and provided great service. I would recommend.”
“Helped with a huge business transition and Nicolas was there every step of the way would highly recomend anyone that needs a local reliable attorney get with costaras law for anything business law related definitely on top of the market…”Read more
“It was a pleasure working with Nicholas. He was professional throughout the entire process and made you feel like you were truly part of his team from start to finish”
“I hired Costaras Law to help out with an issue I had. Nicholas handled the situation very professional and with lots of respect. I was always updated whenever communication has transpired. The case was closed and I cannot thank him enough…”Read more
“I have had the pleasure of working with Nick as co-counsel, and I highly recommend him to anyone in need of a business law or estate planning attorney. He is extremely knowledgeable, professional, and truly devoted to achieving the best…”Read more
“Costaras Law was able to easily take care of some business filings for me in such a short turn around time very recently. I've trusted Nick with many matters over the years, and it would be challenging to think of who else I could place…”Read more
“I had the absolute pleasure of collaborating with the Costaras Law team (specifically Anne and Nicholas), and I am incredibly impressed by their professionalism. Having seen their process from the inside, their level of expertise in real…”Read more
“I had a pleasure to be Nicholas' client. He helped me get everything protected, secured, and private. Really great, kind, and most importantly knowledgeable professional in his field. Definitely my first person to go to, with any of my…”Read more
“Love working with Costaras Law! The team is professional and laser sharp with their deliverables. I can see Virteom growing into Costaras Law and their other services offerings. I will also be happy to recommend them to other businesses…”Read more
“We have been a client of Costaras Law for close to a year now, working directly with Managing Partner Nicholas Costaras. Our experience has been nothing short of fantastic 👌 Nicholas has always been available to help, whether that is…”Read more
“Nicholas has been incredibly helpful to me as I launch a small business. He's helped me build my LLC and accompanying paperwork on solid legal footing and has stepped in several times as needed to assist with additional steps to help me…”Read more
“Costaras Law is without a doubt the best in the business!!! Helped us with our new acquisition and made it so seamless!!! Highly recommended”
“Nick is exactly what you want in an attorney. He is always professional and gives clients all the time they need to understand the situation. His flat fee model worked great for me. Highly recommend.”
“Nicholas is great to deal with. He is very knowledgeable, dealing with every request promptly and professionally. Truly caring about the end result for the client in every case. Highly recommend!”
““Five stars isn’t enough! Truly world-class service. Professional, prompt, and deeply knowledgeable.” I couldn’t be more impressed with the level of professionalism, clarity, and care I received. Nicholas handled every detail promptly and…”Read more
“Nicholas is knowledgeable and efficient. I have only had the most positive interactions with him. He understand estate planning. His staff is always friendly and respectful. I have never had any issues getting in touch with him. Highly…”Read more
“Nicholas is always available for his clients and very professional. Treats you like family and he will always help you.”
“Very knowledgeable, and professional, assisted me with filing the new CTA form, explained what it was and why it is important to complete it. Very passionate about about his profession, and his clients”
“Reliable, motivated, knowledgeable, and passionate are just a few words to describe Nicholas and his work with his clients. If you need business legal services, Costaras Law is the one to call. Nicholas recently helped with a…”Read more
“Nick is a fantastic source of information and knowledge. He listens to what you want, clarifies any areas needing it, and delivers quickly! I highly recommend him.”
“Very helpful!”
“Mr. Costaras has always been a pleasure to work with. His level of professionalism is top notch, BAR none. You can rest assured that your trust and estate planning needs will be met with a caring heart and a sharp mind. Book your…”Read more
“Nick is a stellar human being and does great work for his clients.”
“Nicholas is a very knowledgeable attorney who does tremendous work. I cannot recommend his team and his services enough!”
“Costaras Law handled setting up my Trust and provided great service. I would recommend.”
“Helped with a huge business transition and Nicolas was there every step of the way would highly recomend anyone that needs a local reliable attorney get with costaras law for anything business law related definitely on top of the market…”Read more
“It was a pleasure working with Nicholas. He was professional throughout the entire process and made you feel like you were truly part of his team from start to finish”
“I hired Costaras Law to help out with an issue I had. Nicholas handled the situation very professional and with lots of respect. I was always updated whenever communication has transpired. The case was closed and I cannot thank him enough…”Read more
“I have had the pleasure of working with Nick as co-counsel, and I highly recommend him to anyone in need of a business law or estate planning attorney. He is extremely knowledgeable, professional, and truly devoted to achieving the best…”Read more
“Costaras Law was able to easily take care of some business filings for me in such a short turn around time very recently. I've trusted Nick with many matters over the years, and it would be challenging to think of who else I could place…”Read more
“I had the absolute pleasure of collaborating with the Costaras Law team (specifically Anne and Nicholas), and I am incredibly impressed by their professionalism. Having seen their process from the inside, their level of expertise in real…”Read more
“I had a pleasure to be Nicholas' client. He helped me get everything protected, secured, and private. Really great, kind, and most importantly knowledgeable professional in his field. Definitely my first person to go to, with any of my…”Read more
“Love working with Costaras Law! The team is professional and laser sharp with their deliverables. I can see Virteom growing into Costaras Law and their other services offerings. I will also be happy to recommend them to other businesses…”Read more
“We have been a client of Costaras Law for close to a year now, working directly with Managing Partner Nicholas Costaras. Our experience has been nothing short of fantastic 👌 Nicholas has always been available to help, whether that is…”Read more
“Nicholas has been incredibly helpful to me as I launch a small business. He's helped me build my LLC and accompanying paperwork on solid legal footing and has stepped in several times as needed to assist with additional steps to help me…”Read more
“Costaras Law is without a doubt the best in the business!!! Helped us with our new acquisition and made it so seamless!!! Highly recommended”
“Nick is exactly what you want in an attorney. He is always professional and gives clients all the time they need to understand the situation. His flat fee model worked great for me. Highly recommend.”
“Nicholas is great to deal with. He is very knowledgeable, dealing with every request promptly and professionally. Truly caring about the end result for the client in every case. Highly recommend!”
““Five stars isn’t enough! Truly world-class service. Professional, prompt, and deeply knowledgeable.” I couldn’t be more impressed with the level of professionalism, clarity, and care I received. Nicholas handled every detail promptly and…”Read more
“Nicholas is knowledgeable and efficient. I have only had the most positive interactions with him. He understand estate planning. His staff is always friendly and respectful. I have never had any issues getting in touch with him. Highly…”Read more
“Nicholas is always available for his clients and very professional. Treats you like family and he will always help you.”
“Very knowledgeable, and professional, assisted me with filing the new CTA form, explained what it was and why it is important to complete it. Very passionate about about his profession, and his clients”
“Reliable, motivated, knowledgeable, and passionate are just a few words to describe Nicholas and his work with his clients. If you need business legal services, Costaras Law is the one to call. Nicholas recently helped with a…”Read more
“Nick is a fantastic source of information and knowledge. He listens to what you want, clarifies any areas needing it, and delivers quickly! I highly recommend him.”
“Very helpful!”
“Mr. Costaras has always been a pleasure to work with. His level of professionalism is top notch, BAR none. You can rest assured that your trust and estate planning needs will be met with a caring heart and a sharp mind. Book your…”Read more
“Nick is a stellar human being and does great work for his clients.”
One named attorney from the first call to the signing meeting. No hand-offs, no hourly surprises. Start with a free introduction.
