Skip to content

Affiliations & Accreditations

TCIA: Member & Accredited

The Tree Care Industry Association is a public and professional resource on trees and arboriculture representing approximately 2,100 tree service and affiliated member companies. Its members recognize stringent performance standards for quality and safety. They maintain trained, professional arborists on staff and as an accredited company are dedicated to ethics and quality in business practices. The TCIA Code of Ethics and best business practices include:

  • employing formally trained, skilled personnel
  • meeting industry standards for quality performance and safety
  • providing industry-standard written estimates
  • customer satisfaction, including following a dispute resolution process
  • carrying sufficient insurance coverage
  • employing certified arborists

Certified Treecare Safety Professional (CTSP)

The industry’s first safety certification program, credentialing individual arborists for safety practices and knowledge. Joseph Williams holds this certification

ISA: Certified Arborists

Through research, technology, and education, the International Society of Arboriculture (ISA) promotes the professional practice of arboriculture and fosters a greater worldwide awareness of the benefits of trees. Certified Arborists are individuals who achieve a level of knowledge in the art and science of tree care through intensive study and then a qualifying examination developed by some of the nation’s leading experts on tree care.

Proper tree care is an investment that can lead to substantial returns. Well cared for trees are attractive, functional, safe, and can add considerable value to your property. Improper tree care can take several years to correct its self and, in some cases, may never correct itself. This is why it is important to look for a certified arborist to perform your tree work. Williams Brothers staffs three such gentlemen: Joseph Williams, Chapman Williams, and Chris Huffman.

VNLA: Certified Horticulturist

To provide sound scientific horticultural advice to customers, landscape installation and maintenance personnel must be knowledgeable about a wide variety of horticultural subjects including plant identification and use, soils, pesticides, nutrient and water requirements, landscape design and more. The Virginia Nursery and Landscape Association sponsors a statewide examination to certify those candidates who have demonstrated the basic knowledge and skills to service nursery, garden center and landscape customers. Those who pass the examination earn the privilege and honor of becoming a Virginia Certified Horticulturist (VCH). To the gardening public, VCH designation means you are qualified to offer sound advice to help them create the beautiful and healthy gardens they desire. Stephanie Seltzer holds this designation.


VDACS: Certified Pesticide Applicators

The Virginia Department of Agriculture and Consumer Services certifies applicators, registers pesticide products and licenses pesticide businesses. These activities provide for the safe and effective control of pests that attack our plants, structures and health. Companies applying pesticides within the state of Virginia are required to obtain a Commercial Applicators License and employ Certified Applicators who have been educated and trained in the safe and proper application of chemicals. Williams Brothers maintains its commercial applicator license and staffs numerous applicators.

Virginia Turfgrass Council (VDACS)

The Virginia Turfgrass Council promotes healthy lawns and landscapes to build healthier communities in Virginia by spreading the word about the value of properly designed, installed, maintained lawns and landscapes.