
build up. build out. build bold. build marvel
NEFL Commercial Interiors • Licensed GC • Predictable Scheduling

At a Glance
A Florida- Licensed GC
Marvel Construction Group operates as a fully licensed Florida general contractor, holding License CBC1267156, authorized to manage commercial construction projects with complete compliance to state codes, permitting, and regulatory standards.
12+ Years of Experience
With more than a decade of commercial construction experience in Northeast Florida, Adam Leo brings hands‑on project leadership, precise coordination, and consistent delivery across diverse buildout and development projects.
Safety / Quality Process
Our process emphasizes safety, code compliance, and disciplined quality control, supported by clear communication, detailed planning, and hands‑on oversight to ensure durable, high‑performing commercial spaces.
Industries Served
Marvel Construction Group serves retail, medical, office, franchise, and developer clients, delivering tenant buildouts, commercial interiors, and ground‑up projects throughout Jacksonville, St. Johns County, and surrounding Northeast Florida markets.
Commercial General Contractor
serving Jacksonville & St. Augustine, FL
Adam Leo, Founder & President
Marvel Construction Group LLC
Marvel Construction Group delivers dependable, detail‑driven commercial construction services throughout Jacksonville, St. Augustine, and Northeast Florida. Led by an experienced general contractor, we provide ground‑up builds, tenant improvements, and commercial interiors with a commitment to quality, safety, and long‑term client partnerships.
Built on Experience,
Integrity, and Hands‑On Leadership
Marvel Construction Group was founded by Adam Leo, a licensed general contractor with more than a decade of experience managing commercial and residential projects across Northeast Florida. Adam’s background in building construction, combined with his hands‑on leadership style, ensures every project receives the diligence, communication, and precision it deserves. His expertise spans project management, subcontractor coordination, estimating, scheduling, and client service—skills that allow Marvel Construction Group to consistently deliver safe, code‑compliant, and high‑quality results for developers, brokers, architects, and business owners.
How We Work
Our approach centers on communication, coordination, and accountability. We collaborate closely with architects, engineers, and commercial real estate partners to ensure every detail is executed correctly, efficiently, and in alignment with project goals. This process keeps timelines tight and expectations clear.
Our Commitment to You
We bring a dedication to craftsmanship, safety, and long‑term value to every project. Clients trust us for accurate timelines, transparent budgeting, and a team that stands behind its work. Whether it’s a ground‑up build or a tenant improvement, we deliver spaces built to perform and built to last.


