What Our Clients and Colleagues Say

I have had the opportunity to work with Jack Gillis as my business coach and strategic advisor, and I have consistently valued his depth of knowledge, practical experience, and ability to see the bigger picture.

Jack has a remarkable ability to evaluate complex business challenges, identify opportunities for improvement, and translate strategic concepts into practical, actionable steps. His understanding of business operations, financial considerations, and long-term planning brings tremendous value to our conversations.

What distinguishes Jack is that he does more than offer advice. He challenges business owners to think critically, make informed decisions, and remain accountable for achieving their goals.

I highly recommend Jack to any business owner seeking an experienced, knowledgeable, and trusted advisor who genuinely understands what it takes to build and sustain a successful business.

I have had the privilege of working with Jack Gillis for more than 20 years, and throughout that time, he has been an invaluable source of financial knowledge, guidance, and advice.

I have never met anyone who understands numbers and financial matters the way Jack does. His ability to analyze financial information, recognize important details, and explain complex financial situations in a way that makes sense is truly exceptional.

Over the years, Jack has helped me with financial planning, budgeting, and important financial decisions. What I appreciate most is that he doesn't simply look at numbers on a page. He understands what those numbers mean, how they relate to the bigger picture, and how they can be used to make better decisions.

Jack combines extraordinary financial knowledge with practical experience, sound judgment, and a genuine commitment to helping the people he works with. I have trusted his guidance for more than two decades and would highly recommend him to anyone seeking a knowledgeable, experienced, and trustworthy financial and business advisor.

Working with Jack Gillis has been an extremely valuable experience. Jack brings an extraordinary depth of business knowledge, practical experience, and strategic insight to his work with business owners.

One of Jack’s greatest strengths is his ability to look beyond the immediate problem and identify the underlying issues that affect a company’s performance. He asks thoughtful questions, challenges conventional thinking, and helps business owners evaluate their options with greater clarity and confidence.

Jack understands the relationship between financial performance, operational efficiency, and long-term business success. His recommendations are practical, well-reasoned, and focused on achieving meaningful results.

What sets Jack apart is his combination of extensive executive experience, sound business judgment, and genuine commitment to his clients’ success. I highly recommend him to any business owner or executive seeking a knowledgeable, trustworthy advisor who can help them navigate challenges and make better business decisions.

I have known and worked with Jack Gillis for more than 35 years. Throughout that time, Jack has assisted me with bookkeeping, advised me on numerous business transactions, and provided valuable guidance on a wide range of financial matters.

What distinguishes Jack is his ability to look beyond the numbers and understand the broader business implications of financial decisions. His experience, practical judgment, and thoughtful approach have made him a trusted resource for me over the years.

I have appreciated his professionalism, attention to detail, and willingness to provide straightforward advice. I am pleased to recommend Jack Gillis and Chase Warner Corp. to business owners seeking knowledgeable bookkeeping and financial advisory services.