Financial Solutions Designed
to Build up Your Business.
Understanding the Green Side of Blueprints.
With client relationships as long as 20 years, we serve as a trusted construction accounting and industry partner advising on a variety of different services to help construction companies maximize profits and take advantage of tax credits. Strongly analytical, we help determine areas of focus for the future and use our rich tech expertise in financial and accounting systems, data analytics and software to help solve problems.
Maner has been valuable to us due to their support and expertise. We are extremely happy that we have Maner as our CPA.
– Scott Miller, Davis Construction, Inc.
Maner is the best firm I’ve ever worked with. They are professional, attentive and extremely skilled in every facet of business tax and accounting. They reach out to me when they believe my business could benefit from a new program or tax change. They are the best of the best.
– Satisfied Client
The Maner team is very knowledgeable and understanding of our needs and ALWAYS helps and treats me with respect.
– Becky Reed, Motz Development
Lansing Glass has always been very happy with the service we receive from Maner Costerisan.
– Cheri Rennaker, Lansing Glass Co.
Being a Builder Means
Being a Juggler, Too.
Labor. Material. Regulations. Construction projects have no shortage of pressing issues. We provide data-driven insights to make decisions. Whether you’re large or small, a family business or a corporate firm, we take a holistic look at the business to ensure you’re making decisions today to help you reach your goals. Whether you need simple bookkeeping, a construction CPA, value growth services, strategic planning, or even succession planning, your knowledge and expertise allow us to tailor our services toward each individual business.
Focused on Client Growth
Maner Team Expert
Clayton Stiffler, CPA, Senior Manager
Clayton joined Maner Costerisan as an associate in 2014. His strong work ethic and passion for problem-solving drove his quick progression through firm ranks, being promoted to senior manager in 2021. In his role, he provides accounting and outsourced expertise to a variety of clients, including small and midsize businesses. He recently took a leadership role overseeing the firm’s Construction specialty and is currently working toward a Certified Construction Industry Financial Professional designation.
An active member of Maner’s Employee Engagement Committee, Clayton is deeply committed to making Maner a great place to work. He helps the team plan and execute activities focused on driving engagement across the staff. Prior to joining Maner, Clayton worked at BS&A Software, gaining experience on its Financial Management support team.
Clayton enjoys getting to know his clients and taking an active role in helping them grow their businesses. He credits his success at Maner to focusing first on the success of his clients. He lives by the mantra that their success leads to his.
Clayton graduated from Michigan State University with both a Master of Science degree and Bachelor of Science degree in Accounting. While in college, he was on the Dean’s List for eight semesters.
A traveler at heart, Clayton’s visited all the lower 48 states and hopes to visit the last two in the next few years. A resident of East Lansing, Michigan, Clayton enjoys frequenting Michigan State athletic events with friends.
Every day at Maner is different than the one before. I thoroughly enjoy being "kept on my toes.”
Years of Experience
American Institute of Certified Public Accountants (AICPA)
Michigan Association of Certified Public Accountants (MICPA)
Construction Financial Managers Association – Lansing (CFMA)
Certified Public Accountant (CPA)
QuickBooks Certified ProAdvisor
ABC of Michigan Member
Net Promoter Score
Years of Experience Serving the Construction Industry
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