We maintain compliance with certifying agencies and remain active in our memberships. We invite you to learn more about each below.

Qualified Hydrologic Professional

Hydrologic Determination

Circadian is one of twelve Qualified Hydrologic Professionals (QHP) in Chattanooga, having completed Hydrologic Determinations throughout the state. Our biologists are trained to recognize the differences between wet weather conveyances and streams in Tennessee's most complex systems. 

Disadvantaged Business Enterprise


We assist with TDOT contracts, having completed multiple projects and training courses involving Categorical Exclusions, Waterway Permits, Ecological Training, Section 6(f) & 4(f), and Purpose and Need. We are also vendors with the Nashville International Airport and Volkswagen.

Women's Business Enterprise


Circadian Consulting is a woman-owned small business. If you are seeking to identify diversity firms for participation in your project, please contact us.



Chattanooga Area Chamber of Commerce

Chattanooga Chamber of Commerce

The Chattanooga Area Chamber of Commerce received a nationally-acclaimed Chamber of the Year award for 2017. We are active business members of the Chamber, currently serving as the Vice President of Programming for the North Chattanooga Council.

Mayor's Council for Women

Mayor's Council for Women

The Mayor's Council for Women was tasked by Mayor Berke with making policy recommendations about issues affecting women within Chattanooga and across the region. Circadian sits on the Justice and Leadership Committees of the organization.