Bio-One of Chester County decontamination and biohazard cleaning services
484-435-8069

Compassion. Experience. Respect.


Chester County Suicide, Crime Scene and Biohazard Cleanup

24/7 death, crime scene, suicide cleanup and other biohazard cleanup services from trusted, experienced, and discreet professionals serving Chester County and the surrounding areas. Whether you’re in law enforcement, government, property management, or a local resident, Bio-One of Chester County has over a decade of experience serving you. We guarantee:
  • Fully habitable / operational property once we leave
  • Complete discretion with unmarked vehicles and any special requests
  • Collaboration with your insurance companies
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Bio-One of Chester County
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484-435-8069
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Tom's service was invaluable to me during a sensitive situation. He was personable, efficient, flexible, professional and his advice was appreciated. Tom and his team were reliable, thorough, and overall did an outstanding job with the decluttering and cleanout of a challenging residence. I would absolutely recommend Tom and his Bio-One company.
Mary Lou Salemi
Bio-one showed up on time! , and handled a very difficult situation in a very professional manner. Tom and his crew were very respectful of the situation and helped me with the homeowners paperwork!! I would DEFINITELY recommend this company to anyone needing this type of service!!!
Linda Martin
Tom Gervasio, the owner, is very professional and responded to our call quickly. He was flexible and able to work around the condo association’s restrictions for dumpsters. His crew was friendly and very helpful during the stressful situation. They were able to locate important paperwork despite the garbage, animal feces, etc. I highly recommend Bio-One.
Ann Marino
Tom and his team are absolutely amazing! I called at lunchtime to have my home cleaned following a COVID quarantine - they arrived the same day at 4:30! So accommodating. I would not hesitate to call Tom again in the future.
Meghan Pavlick
So happy we chose them to do the clean-up work at our family member's home. Tom and his crew are true professionals. Could not be more helpful, accommodating, and informative. So patient in answering our many questions and had solutions for every concern. Always punctual and responsive. Very grateful to find such amazing service at a stressful time. Beyond our expectations!!!
Dawne Clark

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Bio-One of Chester County decomposition / undiscovered death service

Decomposition / Undiscovered Death

When the unexpected happens, we are here for you.
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Bio-One of Chester County suicide cleanup service

Suicide Cleanup

We aim to help by cleaning with discretion and competence.
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Bio-One of Chester County feces / urine cleanup service

Feces / Urine Cleanup

We tailor every plan to each unique situation.
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Bio-One of Chester County odor removal service

Odor Removal

You shouldn’t have to settle with foul odors.
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Bio-One of Chester County homeless encampment cleanup service

Homeless Encampment Cleanup

A vital service to the community, done with compassion.
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Bio-One of Chester County blood spill cleanup service

Blood Spill Cleanup

Proper training is required to fully sanitize a blood spill.
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Bio-One of Chester County

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    We're ReadY 24/7

    Work with us

    1. 1

      Call as soon as you need help.

      With 24/7 availability, we are ready to answer your call if the unthinkable happens.
    2. 2

      We will provide comprehensive remediation.

      Our Bio-One of Chester County crew will discreetly and professionally complete the crime scene cleanup or biohazard decontamination job.
    3. 3
      We will work with your insurance directly.
      Working with your insurance company can be overwhelming. Bio-One of Chester County can open the claim and work with the adjusters directly.

    Available 24 / 7 / 365

    We are here for you when you need us. For any Chester County crime scene cleanup and biohazard decontamination situation, we are available 24/7. Whatever you need, know that on the other end of the line will be a supportive, understanding, and responsive Bio-One of Chester County team member.
    We are here for you when you need us the most.

    WHY CHOOSE Bio-One of Chester County?

    We are here for you when
    you need us the most.

    Our clients choose us for our proven expertise in providing prompt, professional crime scene clean up services and restoring property to its original condition. Bio-One of Chester County specializes in all types of clean up including blood cleaning, death cleaning, murder clean up, suicide clean up, crime scene clean up and homicide clean up in the PA Area and throughout Chester County.
    Bio-One of Chester County services all types of trauma, distressed property, and biohazard scenes in communities throughout Chester County Area. We are your crime scene cleaners dedicated to assisting law enforcement, public service agencies and property owners/managers in restoring property that has been contaminated as a result of crime, disaster or misuse.

    Your Chester County Crime scene & Biohazard Cleaning TEAM

    Help first. Discretion always.

    As last responders, we discreetly remediate impacted 
    spaces so you can begin to move forward.
    Bio-One of Chester County owner, Thomas Gervasio
    Thomas Gervasio
    Owner
    Tom is the owner of Bio-One of Chester County. Tom grew up in New York and has a business degree from Loyola College of Maryland. He has worked as a Sales Manager in a variety of industries, from professional sports in New York to Unclaimed Property in King of Prussia. Coming from a military and law enforcement family, helping people is what drives Tom and what led him to joining the Bio-One family. Tom and his wife, Kathryn, have a newborn son Vincenzo, and live in Chester County. They enjoy spending their time traveling and hiking at Marsh Creek.
    Learn more about me and my mission >
    Call Me 24/7

    The right
    team for the job.

    Making the call to a crime scene, biohazard, or decontamination cleaning company is often due to an overwhelming, traumatic, and life-changing situation. My team is ready to answer the call with professionalism, experience, and compassion.
    • Experienced and trained team
    • Clear, supportive communication
    • Comprehensive cleaning approach
    • Locally owned and operated
    Meet my team >
    Bio-One Colorado Team
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Bio-one showed up on time! , and handled a very difficult situation in a very professional manner. Tom and his crew were very respectful of the situation and helped me with the homeowners paperwork!! I would DEFINITELY recommend this company to anyone needing this type of service!!!
    Linda Martin, Chester County, 1/21/2023
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    We had the absolute best experience with Tom and his team at Bio-One. They were thorough, professional, courteous and very kind - all things that were greatly appreciated and valued given our situation. Would give them more than five stars if I could, highly recommended.
    Elizabeth Latino, Chester County, 1/21/2023
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Big shout to Tom Gervasio for an outstading job that he performed on my vehicle. He was efficient , professioal and courteous.Thankyou for helping me through a difficult situation. Thanks again . Dawn Miller.
    jim miller, Chester County, 08/20/2019
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Quick and very efficient with accident clean up. Took care of insurance claim work too! Definitely recommend using this company for any bio-hazard clean up job.
    Shainia Lloyd, Chester County, 1/21/2023
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Tom and his team promptly responded to my need for a home cleaning after a COVID quarantine. They were extremely accommodating despite my last-minute request. They made it to my house within a day of contacting them and kept me updated the entire time. Once at my house, they worked efficiently and even offered to extend their services to sanitize my car. They went above and beyond for me and also happen to be some of the friendliest people I've come across. I would highly recommend Tom and Bio-One!
    Ashley Robertson, Chester County, 01/28/2021
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    They did a garage clean-out of a bad hording situation for a client of mine. Wonderful job...fast and reasonable price. What more can you ask!
    Lonnie Cooper, Chester County, 07/02/2020
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Tom's service was invaluable to me during a sensitive situation. He was personable, efficient, flexible, professional and his advice was appreciated. Tom and his team were reliable, thorough, and overall did an outstanding job with the decluttering and cleanout of a challenging residence. I would absolutely recommend Tom and his Bio-One company.
    Mary Lou Salemi, Chester County, 03/24/2021
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    I highly recommend Tom and Bio-One. He was amazing from the first phone call. He handed a delicate situation for us and was very helpful for further recommendations. He was prompt and helpful in resolving the problems. We were in town for only a few days and he was quick to help us resolve all. He went the extra mile and did a great job! Professional, accommodating and very helpful in a stressful situation.
    Gayle Kongsubto, Chester County, 01/19/2020

    COMMUNITY

    We call Chester County and the surrounding area home.

    Where we serve

    Bio-One of Chester County is owned and operated locally by Thomas Gervasio. Their office serves Chester County and surrounding areas.

    Why we serve

    We are passionate about serving Chester County and the surrounding communities with compassion, diligence, and professionalism. We are available 24/7 for your crime scene cleanup and biohazard decontamination needs.
    Bio-One of Chester County decontamination and biohazard cleaning team ready to serve