• Science & Technology Community

    NETPark Net is the innovation support network for companies operating within the Science, Engineering and Technology Sectors.Join TodayLogin
  • Business Services

    From Funding to IP Landscaping to Contract Opportunities, our suite of business tools & services are designed to accelerate your business growth.Join TodayLogin
  • Innovation Community

    Who do you know? This is where like-minded science and technology companies gather.Join TodayLogin
  • Your success is our Success

    Let’s grow your Business. At NETPark NET, we will give you competitive advantage.Join TodayLogin
  • 1
  • 2
  • 3
  • 4

Affinity Members

We help our Affinity members work with our NETPark NET community. Here’s to the greater good.

Onyx Health Ltd

Onyx Health is a PR and marketing communications agency specialising in healthcare.  We are based in the North East of England.  Onyx Health works with pharmaceutical, medical device and medical diagnostic companies as well as healthcare providers and local governments responsible for delivering healthcare strategies.

We know the healthcare market and are strategically sound

Our clients include:

* Pharmaceutical companies

* OTC & vitamin/supplement companies

* Medical device manufacturers

* Medical diagnostic companies

* Healthcare providers

* Local government

We are a team of highly experienced healthcare branding, PR, digital, marketing communications and medical education practitioners who support products at all stages of their lifecycle. Our integrated approach, scientific knowledge, and understanding of market issues, enable us to manage many of the marketing and communications challenges that healthcare businesses face.

We deliver insightful and impactful programmes for our clients. 

The Onyx Health approach is to make sure clients have constant access to our insight and expertise.  By offering senior level day-to-day support, our clients often consider us an extension to their own team.  We possess a passion for the companies we represent and we keep our promises.  By monitoring and evaluating market trends continuously, tracking competitor approaches and creating new strategies, we can remain one step ahead at all times.

We deliver clear business value to our clients. 


Onyx Health is a creative PR and marketing communications agency. We are healthcare specialists .

Expert Name

Karen Winterhalter

Expert Profile

Karen has over 25 years’ experience in healthcare communications having previously headed up the Europe, Middle East and African healthcare divisions for two of the world’s largest communications and PR groups – Weber Shandwick and Burson Marsteller.

She has worked with many pharmaceutical, medical devices and diagnostics companies, advising them on global and local marketing communications strategies. Over the years, Karen’s work and the campaigns she has delivered have brought about significant changes to public health and those living with long-term medical conditions while creating numerous new sales opportunities for her clients.

Her experience covers a range of diverse areas including opinion leader contact at the highest level, market access, advocacy development, social marketing, digital communications, health policy, medical education, issues and crisis management, media relations and strategic management of communications programmes.

Driven by an innate passion to provide that same level of insight and strategic support to SME healthcare companies, Karen established Onyx Health in 2003. She works closely with all Onyx Health’s clients to develop and implement communications strategies that overcome the complex challenges they face when marketing a product or service to the NHS, patients or other global healthcare providers.


  • The Larches
  • Larches Road
  • Durham
  • DH1 4NL


  • Karen Winterhalter
  • 0844 5049675
  • This email address is being protected from spambots. You need JavaScript enabled to view it.

Latest News

Latest Blog

What Our Affinity Members Say

  • As an Affinity member we have had tremendous support in identifying those organisations most likely to help our business grow and in finding new ways to put our message out. Patricia BarclayPatricia BarclayBonaccord
  • It was clear from our first interaction with NETPark that it is a unique community where world class science and technology companies and individuals come together and the NETPark Affinity package allows Harlands to contribute to this exciting community. Phil MurrayPhil MurrayHarlands
  • 1
  • 2