Past & Present Clients

  • 9to5, National Association of Working Women, Colorado Chapter


  • Amalgamated Transit Union 1001

  • America Votes

  • American Federation of Teachers - Colorado

  • Americans for Financial Reform

  • Benson, Kerrane, Storz & Nelson

  • Build Our Homes Right

  • Burg, Simpson, Eldredge, Hersh, Jardine PC

  • Campaign for a Healthy Denver

  • City of Westminster

  • Colorado Center on Law and Policy

  • Colorado Fiscal Institute

  • Coloradans for Alternatives to the Death Penalty

  • Coloradans for Local Control

  • Coloradans for Safe Communities

  • Coloradans to Stop Predatory Payday Loans - YES on Prop 111

  • Colorado Immigrant Rights Coalition

  • Colorado Organization for Latina Opportunity and Reproductive Rights

  • Colorado People’s Alliance

  • Colorado Progressive Coalition

  • Common Cause

  • Communications Workers of America

  • Conservation Colorado

  • Emerge Colorado

  • Environmental Entrepreneurs

  • FRESC- Good Jobs, Strong Communities

  • Good Business Colorado

  • Green Taxi

  • J Street

  • League of Oil and Gas Impacted Communities, (LOGIC)

  • New Era Colorado

  • NARAL Pro-Choice Colorado

  • Natural Resources Defense Council

  • No on 67

  • Padres & Jovenes Unidos

  • People & Pollinators Action Network

  • Save our Neighborhoods- NO on Amendment 74

  • Southwest Energy Efficiency Project (SWEEP)

  • Town of Superior

  • United Farm Workers

  • Working America

Siegel Public Affairs consistently and competently delivers the kind of advice, access and advocacy we need to make our legislative agenda as successful as possible. Carolyn and her team are more than great lobbyists, they are partners with us on moving our agenda to improve economic justice for all Coloradans.
— Carol Hedges, Executive Director, Colorado Fiscal Institute
Carolyn and her team are at home at the Capitol and with grassroots organizations. Their strategic insight, their relationships with policy makers and the community and their perseverance and hard work add invaluable capacity that helps groups succeed in advancing legislative policy change.
— Linda Meric, Former National Director 9to5