Jonathan LaMantia, CPA

Audit and Assurance

Always continue to learn.

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Meet Jonathan

Jonathan has more than 10 years of public accounting experience and over two years of accounting experience in the private sector. He is the Digital Media and MadTech practice leader and also has significant experience working with technology, manufacturing and distribution companies.

Prior to joining Armanino, he worked for KPMG’s audit group, where he spent more than eight years conducting audit and advisory services, including two years in Munich, Germany working on one of KPMG’s largest audits globally. He also worked in industry in a private equity environment, serving as a global director of technical accounting and accounting policy and as a global director of internal audit.

Jonathan is a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants.

Contact Jonathan LaMantia


Professional History


  • American Institute of Certified Public Accountants
  • California Society of Certified Public Accountants


  • Northern Illinois University


  • KPMG
  • Electro Rent


Q. What is it about accounting and consulting that first drew your interest?
Interestingly enough, I was initially majoring in criminal justice and realized that having an accounting degree could be a way to get into the FBI or CIA due to an understanding of white-collar crime and money laundering. However, once I started studying accounting and auditing, it all just clicked for me, and I knew immediately this was the career choice I wanted to pursue.
Q. What was it that drew you to Armanino?
While in the private sector, I actually hired Armanino for a project, and that partner and team really attracted me to the firm. They worked cohesively and collaboratively and exemplified the qualities that I want to be a part of. I was drawn to the entrepreneurial environment, the ability to come in and make an impact at any level, and the possibility of working with a multitude of industries and companies.
Q. Without naming names, tell us about your favorite client and why you enjoyed working with them.
My favorite clients are the ones who are the most innovative and with whom I build true collaborative relationships. I enjoy listening to their goals and adding value to help them get there. I am always striving for excellence, and it is fun to work with clients who are of the same mindset.
Q. Describe your work style.
Listening and collaboration. Within my teams, I allow people to be innovative and encourage them to always collaborate to get the most efficient and effective results. With clients, I like to follow the logic that I have two ears and one mouth for a reason. Listening and understanding your client’s point of view are the most important factors in building a quality relationship.
Q. Who is (or was) the most influential person in your life
My wife. She has been there for me from early on in my accounting career, always encouraging me to explore new opportunities even when I’m out of my comfort zone. She always pushes me to grow and evolve personally and professionally, which is why I’m the man I am today.
Q. If you could pass on a nugget of wisdom to aspiring accountants or consultants, what would that be?
Always continue to learn. Pick a new area, task or niche and try to master it. Develop your knowledge, ask questions, be inquisitive and drink from the fire hose that is public accounting.
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Industries Served
Jonathan's Thought Leadership
Updated December 20, 2022
Digital Media & Ad Tech Firms Are Handling Stronger Privacy Regulations
Data privacy is becoming more important and is being blended with cybersecurity efforts.

May 07, 2021