Cannabis Businesses Need More Than Compliance.
As members of the Michigan Cannabis Industry Association, we’re building solid relationships across the industry, helping cannabis companies with cannabis accounting, meeting CRA compliance requirements and developing plans for future growth. We have the team and technology to provide customized services within each license category – including software solutions for vertically-integrated organizations with multiple licenses.
A Solid Partner for an Exploding Industry.
While cannabis may seem like a frenzied gold rush, we treat the business issues like we would any other. We invest in resources to tackle the most complex problems throughout the industry – from cannabis accounting and entity selection support to designing a buy/sell strategy, our team helps dispensaries, processors, secure transporters, and cultivators reach their goals. We know your challenges and can develop solutions to solve them.
Deep Knowledge and Experience
Strong Relationships
We Aren’t Afraid to Ask the Tough Questions

Maner Team Expert
Maddy Henry, CPA, Principal
Maddy joined Maner Costerisan’s Tax department in 2012 and brings 13 years of public accounting experience to the firm. In January 2023, she was promoted to principal. In her role, she works closely with the firm’s affordable housing and small and midsize business clients, helping them navigate the complexities of tax planning. A strong contributor to Maner’s Cannabis industry team, Maddy is also an active member of the MICPA’s Cannabis Expert panel, where she provides guidance and leadership to the association as it supports Michigan’s growing cannabis industry.
Maddy was inspired to join the accounting industry by her sister, who also studied accounting. Maddy is driven to act as a trusted advisor to her clients, helping them achieve peace of mind in an ever-changing and complex tax environment.
Maddy graduated from Grand Valley State University with a Bachelor of Business Administration and a Master of Science and Taxation. She lives in Grand Rapids, Michigan, with her husband, Chris, and their two dogs, Bubbles and Jabba. Maddy enjoys boating, reading, spending time with family, and going on a lot of walks outside.
Years of Experience
13
Memberships
American Institute of Certified Public Accountants (AICPA)
Michigan Association of Certified Public Accountants (MICPA)
Michigan Association of Certified Public Accountants’ Cannabis Industry Expert Panel
Certifications
Certified Public Accountant (CPA)
Relevant Services
Outsourced Accounting Solutions
Gain efficiencies and reduce stress by adding a team of experts instead of a dedicated staff.
Consulting
Our team of cannabis experts has proven solutions to help your business succeed today – while building a sound strategy for the future.
401k & Qualified Retirement Planning
Our experts help organizations meet federal requirements and design benefits plans that help attract and retain top talent.
Technology
Properly incorporating technology is important to every business, especially in the complex cannabis industry. Our technical knowledge and expertise can help you get the most out of your investments.
Attestation Services
We can complete an independent review of your financial statements and fulfill the CRA’s Annual Financial Statement Report, ensuring your cannabis business is compliant.
Tax Planning & 280E
Whether you’re a grower, retailer, provisioning center or vertically integrated, our team can develop a customized tax strategy built around your needs, while helping you avoid compliance issues.
Wealth Management
Our team takes a holistic approach to your financial plan by bringing together expertise from across the firm to build a team focused entirely on helping you achieve your goals.
6+
Years of Experience Serving the Cannabis Industry
75+
Cannabis Clients
6
Dedicated Cannabis Industry Experts
