On-Site Mold Analysis is a fully licensed and insured woman-owned business with nearly two decades of experience, filled with satisfied customers. We serve private parties as well as business entities, performing Mold Assessments and Mold Inspections in the South Florida area encompassing Broward County as well as Palm Beach, Miami-Dade and beyond.

We are a Certified Broward County Vendor, Certified Broward County Public Schools Supplier, and Diversity & Outreach Program members.

Click below to verify our Florida State Licenses:

Wilhelm Guggisberg

Located in Plantation, Florida, we provide comprehensive mold inspections for homes, apartments, schools, hotels and more. When you choose us, you receive work performed 100% by our company from theinitial mold inspections to lab work and Post Remediation Verification (PRV – clearance) final reports. This means virtually no wait time for the lab results to come in. We get you back into your home or workplace FAST!!!

Our team of experts is efficient, and our quick turnaround is great when you need a report for real estate transactions or court hearings.


On-Site Mold Analysis has membership in

  • IAQA (Indoor Air Quality Association)
  • ACGIH (American Conference of Governmental Industrial Hygienists)
  • NAMRI (National Association of Mold Remediators and Inspectors)
  • Environmental Assessment Association
  • AIHA (American Industrial Hygiene Association)
  • NAMP (National Association of Mold Professionals)
  • MICRO (Mold Inspection Consulting and Remediation Organization)

We are Certified Broward County Vendors, Broward College Certified, Woman-owned and Minority Business designation with Certified Business Enterprise, Broward Health Office of Supplier Diversity Certified, Florida Department of Transportation Certified, South Florida Water Management District Certified, County Business Enterprise certified, Small Business Enterprise certified, and are certified by Broward County Public Schools Diversity & Outreach Program. We have an A+ rating with the Better Business Bureau and an A rating from Angie’s List.


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