Top Ann Arbor, MI Professional Services Companies (35)

Walker Consultants is a 100% employee-owned firm that provides planning, design, engineering, forensics, restoration, and building envelope services. Founded in 1965, the company serves a diverse range of clients, including municipalities, airports, healthcare facilities, and commercial developments. They are recognized as a leader in parking consulting, mobility planning, and structural restoration, focusing on delivering practical, cost-effective solutions to improve the...

American Health Associates is a premier provider of comprehensive diagnostic laboratory services. We are committed to delivering accurate, reliable, and timely results to support patient care and clinical decision-making.

Our co-located, U.S.-based team works with executives to improve their bottom line by delivering new products, enhancing existing products, modernizing legacy products, and integrating AI into their software systems. Atomic is an employee-owned company with offices in Grand Rapids, Ann Arbor, Chicago, and Raleigh-Durham.

AtWork Personnel is an award-winning and nationally-known provider of light-industrial and administrative staffing services including temporary, temp-to-hire, and direct placements. Founded in 1986 by John and Glenda Hall, AtWork has grown to be cited as one of Staffing Industry Analysts’ fastest growing and largest industrial staffing firms in the United States, in addition to being recognized as an Inavero Best...

National Heritage Academies is a for-profit education management organization that partners with communities to operate tuition-free public charter schools, preparing students for college and life.

UHY is one of the nation’s largest professional services firms providing audit, tax, consulting and advisory services to clients primarily in the dynamic middle market. We are trailblazers who bring our experience from working within numerous industries to our clients so that we can provide them a 360-degree view of their businesses. Together with our clients, UHY works collaboratively to...

Acorn Health is a national provider of applied behavior analysis (ABA) therapy for children diagnosed with Autism Spectrum Disorder (ASD), offering center-based and in-home services.

Granger Construction, founded in 1959, is a construction management firm specializing in design-build, integrated product delivery, and general contracting services. They are a leading construction company in the Midwest, serving commercial, industrial, and K-12 sectors.

MIGSO-PCUBED is the world leader in PMO and Project Controls consulting, with a presence in 15 countries and over 3,000 employees. They are experts in project engineering consulting, supporting customers in transformation and innovation initiatives across a wide range of industrial sectors.

Renewal by Andersen is the start-to-finish window and door replacement division of Andersen Corporation. They custom-build and install windows and doors.

J&B Medical Supply is a family-owned business that operates as a leading medical supplies delivery service, distributing a wide range of healthcare products, durable medical equipment, and related services.

At Home Healthcare provides top-tier, compassionate home health care for both pediatric and adult patients, offering superior home-based support with licensed professionals.

Jewish Family Services of Washtenaw County is a mission-driven non-profit organization that provides a wide range of social services, including community assistance, care management, employment services, transportation for older adults, and immigrant/refugee resettlement, sensitive to Jewish culture and values while respecting diversity.

PCRK Group is the largest franchisee of Massage Envy, operating numerous locations across multiple states. The company specializes in wellness services, offering massage therapy, skincare, and total body stretch services.

Deque (pronounced dee-cue) is a web accessibility software and services company, and our mission is Digital Equality. We believe everyone, regardless of their ability, should have equal access to the information, services, applications, and everything else on the web. We work with enterprise-level businesses and organizations to ensure that their sites and mobile apps are accessible. Installed in 475,000+ browsers and...

GHD recognises and understands the world is constantly changing. We are committed to solving the world’s biggest challenges in the areas of water, energy and urbanisation. We are a global professional services company that leads through engineering, construction and architectural expertise. Our forward-looking, innovative approaches connect and sustain communities around the world. Delivering extraordinary social and economic outcomes, we are...

Founded in 1924, Plante Moran is among the nation's largest certified public accounting and business advisory firms, providing clients with financial, human capital, operations improvement, strategic planning, technology selection and implementation, and wealth management services. The firm has a staff of more than 2,000 professionals, including mo

TMC is a privately-owned, nationwide contract therapy provider founded in 1995, specializing in physical, occupational, and speech therapy services across the United States. They partner with healthcare organizations in skilled nursing facilities, hospitals, and other settings to deliver these specialized services.

Power Wellness is a prominent leader in the medical fitness industry, specializing in comprehensive management services for fitness centers. They focus on operational excellence to promote their clients' brands and have a proven track record of improving fitness center revenues, service, programming, and engagement.

Refloor is a flooring company specializing in the in-home sales and installation of hard-surface flooring, including luxury vinyl plank, laminate, and hardwood. They offer a shop-at-home experience with samples and professional installation.