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Toronto and Area's Asbestos, Indoor Air Quality and Mold Inspection Professionals


Environmental Services Group Inc. was found by Mrs. Tara Valley. Mrs. Valley is the sole owner and operator of ESG which she founded in 2005.

In the early stages, Mrs. Valley began independently performing limited inspections of residential properties for moisture and mold growth using skills which she initially developed as a home inspector and honed through training by obtaining professional designations in the environmental field through governing bodies such as:

  • The Institute of Inspection, Cleaning and Restoration Certifications (IICRC)
  • The Indoor Air Quality Association (IAQA)

Fast forward and today ESG employs what we consider the best team of indoor environmental consultants in Toronto, the Greater Toronto Area and Ontario.

Expanding from residential mold inspections, ESG now offers a complete range of services including all aspects of indoor air quality; industrial and occupational hygiene services. In working with other professionals in the industry we have created solid relationships with consulting firms which specialize in all aspects of the Environmental Sector. If ESG can’t do it, we know the best of the best who can.

Environmental Services Group is a Toronto-based, cutting edge professional Environmental Consulting Firm that provides professional environmental assessments on all property types including residential, commercial and industrial.

Environmental Services Group works with clients to remediate environmental hazards that may include but are not limited to moldlead and asbestos. Your health and safety is our primary concern.

Environmental Services Group is a consulting company that can provide:

  • Mold, Flood and Water Damage Assessments
  • Asbestos Surveys and Assessments
  • Asbestos Removal Services
  • Mold Removal Services
  • Post Remediation Verification (PRV) sampling (Mold)
  • Sewage Remediation Verification sampling including bacterial contaminants, E.coli and Legionella
  • Thermal Imaging and Moisture Mapping of Multi-Level Floods, Flat Roofs and Insulation errors
  • Writing Scopes of Work, Recommendations, and Maintenance Plans
  • Environmental Site Assessments and Underground Fuel Oil Tank Removal Services
  • Site Supervising and Project Management
  • Lead Surveys and Assessments
  • Indoor Air Quality Assessments (Regular Intervals and Emergency Services)
  • HVAC Inspections
  • Coil Cleaning and HVAC Cleaning
  • Indoor Air Quality Investigations including Carbon Monoxide, Chemical Off-gasing, Second Hand Smoke, Silica, Dust analysis, Mold Sampling
  • Radon Testing and Inspections
  • Trauma Scene Cleanup Assessment and Clearance
  • Fire and Smoke Damage Assessment and Clearance

Whether you require a residential mold inspection or a commercial asbestos survey we can provide a quality service for your needs. We regularly work with professionals that can perform asbestos abatement removalmold remediationlead based paint removal, stored oil tank removal, site assessments, and HVAC cleaning and coil cleaning.

Our services focus on indoor environmental hazards and the prevention, maintenance, or removal of any indoor contaminants that may be affecting the living areas of your property. Our company wide focus is on customer satisfaction making no project too large or too small.

Environmental Services Group has a large service area that includes all of the Greater Toronto Area, Mississauga, Hamilton and surrounding areas such as Barrie, Guelph and Oshawa.

Meet the ESG team

Tara Valley, President and Lead Environmental Consultant

Tara Valley is the President and Founder of Environmental Services Group. Since 2005, Tara has been educating herself and others in the field of environmental science, specifically the field of indoor air quality. Tara stepped foot into the industry prior to 2005 in the role of Home Inspector. Realizing a market was necessary to address concerns with air quality in homes, specifically with respect to indoor mold, Tara focused her education and founded Environmental Services Group.

For the past 8 years Tara has expanded the services of the company to include all aspects of indoor air quality. Additionally, ESG has developed the abilities to perform hazardous material assessments and hygiene assessments.

Tara’s goal is to continue to grow ESG and expand into various environmental sectors. Since ESG’s inception, Tara has been the lead consultant performing thousands of inspections and assessments.

    • Education:
      • Bachelor of Science in Biology (Hons), Completed 3 of 4 Years
    • Certifications:
      • Level 1 Thermographer
      • Council-Certified Microbial Investigator (
      • Water Restoration Technician (
      • Applied Structural Drying Certification (
      • Advanced Microbial Remediation Technician (
      • Health and Safety Technician (
      • Commercial Drying Specialist (
      • Certified Home Inspector (
      • Certified Mold Inspector
      • Mold, Allergens, Sampling and Report Interpretation (
      • Termite Control License
      • Structural Pest Control License
      • Certified Indoor Air Quality Technician (
      • Certified Environmental Specialist
      • Radon Inspection and Testing
    • Memberships and Associations:
      • Indoor Air Quality Association (2006, 2007, 2008, 2009, 2010 corporate member) (
      • American Indoor Air Quality Council (
      • Environmental Assessment Association
      • Environmental Solutions Association

Note: In addition to her extensive experience and knowledge base, Mrs. Tara Valley has been called upon as an expert witness in court proceedings relating to Mold and Indoor Air Quality issues.

Adam Trimm, Environmental Consultant

Adam has been with Environmental Services Group for over 5 years in the role of consultant. Under the guise of Tara Valley, Adam has gained immense knowledge in the field of indoor air quality and environmental science.

Adam’s capabilities include inspections and assessments for hazardous materials and air quality audits.

  • Certifications:
    • On-going through the ACAC-Council Certified Indoor Environmentalist
    • US EPA: AHERA Building Inspector
    • Water Restoration Technician (
    • Advanced Microbial Remediation Technician (
    • Mold, Allergens, Sampling and Report Interpretation

Kaine Moar, Environmental Consultant

Our newest team member, Kaine Moar, has been with Environmental Services Group since early 2019. His strong work ethic and attention to detail are key factors in ESGs success. Under the guidance of Tara and Adam, Kaine has obtained and implemented key principles and techniques for the inspection and assessment of various hazardous materials and for general air quality parameters.

Below are some of the certifications and workshops Kaine has obtained so far;

  • Water Restoration Technician (
  • Fundamentals of Infection Control during Construction, Renovation and Maintenance of Healthcare Facilities
  • MCTU – Asbestos Worker 253W
  • Worker Health and Safety
  • Asbestos Awareness
  • 2015 (WHMIS) Certificate
  • Microbial Investigations: Sampling and Data Interpretation