30+ Years of Experience

About Us

Focus Your Time and Efforts on Running Your Business and Leave the Accounting to GMCO

About Us

Your Trusted Partner in Accounting Excellence.

Established in 1988 by founder Grant Maddock , GMCO Trading has earned a distinguished reputation as an esteemed accounting firm with over three decades of experience in the industry. Our commitment to excellence, professionalism, and integrity sets us apart as a trusted partner for businesses seeking high-quality accounting services.

At GMCO Trading, we offer a comprehensive range of accounting services. Our dedicated team is committed to helping clients navigate the complexities of financial management and compliance, ensuring they are well-equipped to make informed decisions for their businesses.

Grant Maddock | Founder

Under the leadership of Grant Maddock, GMCO Trading has grown to become a trusted partner for businesses of all sizes, providing personalized and tailored solutions to meet their unique accounting needs. Our experienced professionals are dedicated to delivering exceptional service and adding value to our clients’ businesses.

Why Choose Us

Extraordinary Experiences

With a focus on innovation and staying abreast of the latest industry developments, GMCO Trading continues to evolve and adapt to the changing needs of our clients. Our dedication to excellence and client satisfaction has solidified our position as a leading accounting firm in the industry.

GMCO Trading’s commitment to integrity, professionalism, and excellence sets us apart as a trusted partner for businesses seeking reliable and comprehensive accounting services. With a proven track record of success and a client-centric approach, GMCO Trading is well-positioned to continue serving our clients with distinction for many years to come.

Our Core Values

At GMCO Trading, our core values are the foundation of our firm and guide our interactions with clients, partners, and each other

Our core values include:

These core values define who we are as a firm and guide our actions as we strive to exceed the expectations of our clients and uphold our reputation as a trusted partner in accounting excellence.

Focus Your Time and Efforts on Running Your Business and Leave the Accounting to GMCO