Skip to main content
Service Service

Rx Collaborative

The Rx Collaborative (RxC) is the largest pharmacy coalition in the U.S.

We represent over 400 employers with approximately $6 billion in drug spending and 5.3 million members. Our collective purchasing power and expertise allow us to deliver financial savings, transparency in pricing, pharmacy benefit manager (PBM) oversight and innovative programs and services unsurpassed in today's marketplace.

45 million
prescriptions across the U.S. and Canada saw savings through RxC in 2018
$3 billion
saved since RxC start in 2003

The Rx Collaborative offers arrangements with three premier pharmacy benefits managers (PBMs):

  • CVS Caremark
  • Express Scripts
  • OptumRx

With our highly competitive deal terms and cutting-edge clinical and program management, clients can achieve significant savings that will immediately impact the bottom line.

  1. Savings

    RxC deal terms, along with an active pharmacy management strategy, can save employers up to 25% of current drug spend.

  2. Innovation

    RxC employers receive exclusive access to best practices, market-leading programs and premier services.

  3. Advocacy

    RxC clients have access to a team of dedicated pharmacists, actuaries, health management and pharmacy consultants, health care technology specialists and pricing experts.

  4. Flexibility

    RxC employers maintain program flexibility to select the right design, fomulary and clinical management approaches for their organization.

If your company has more than 1,000 members and is eligible for a PBM contract renewal, you may be qualified to receive a free Rx Collaborative savings analysis. If you are interested in receiving a customized value proposition on behalf of your organization, please contact your Willis Towers Watson consultant or email us at

More information

Rx Collaborative savings analysis

If your company has more than 1,000 participants in your pharmacy benefit, then contact us for an RxC savings analysis.

Related Solutions

Contact Us