Our Vision

Making a difference in the world is what unites, aligns, and drives us.
  • We give power to the people by providing self-service digital tools to clinical researchers

  • Providing a platform supporting the capture, sharing, and reuse of high-quality data

  • Powering clinical trials and accelerating life-saving discoveries


Learn how Castor is helping the World Health Organization to power the largest COVID-19 clinical trial.

quoteLeft Humanity should join forces to make medical research truly data-driven
Derk Arts,Ceo & Founder
quoteRight

Our Values

The foundations for our decisions and the guiding voice of how we collaborate as a team
  • Achieve anything with a happy and healthy team
  • Maximize research impact
  • Push boundaries through direct communication and diversity
  • Amaze through user-friendly and rewarding experiences
  • Act responsibility and protect the data
Achieve anything with a happy and healthy team

At Castor, the team comes first. We focus on health and don't compromise work-life harmony. We invest in our Castorians wellbeing and encourage everyone to be physically active, practice meditation, eat healthily, and have fun! This helps us achieve our goal of supporting faster, smarter medical research.
Maximize research impact

Making a difference in the world is what unites, aligns, and drives us. Founded by an MD/Ph.D. who experienced significant problems in medical research data management, we are determined to solve these issues and have a lasting impact on humankind.

Push boundaries through direct communication and diversity

It takes people with different ideas, backgrounds, values, and personalities to accomplish our goals. We actively encourage direct communication, thoughtful debate, and respect for each other's different points of view.

Amaze through user-friendly and rewarding experiences

We develop user-friendly technology that works for researchers, not against them, and make sure they are wowed throughout their interactions with Castor.

Act responsibility and protect the data

Integrity and honesty are non-negotiable attributes of our team. We are accountable and refuse to sacrifice our values. We respect our customers’ precious data and protect it at all costs.

Our Values

The foundations for our decisions and the guiding voice of how we collaborate together as a team
Healthy & Happy Healthy & Happy

Achieve anything with a healthy & happy team 

The team comes first. Therefore, we offer each other a helping hand, focus on health and don't compromise work-life harmony. We invest in our team and encourage everyone to be physically active, eat healthy and have fun together. This helps us achieve our goal of supporting faster, smarter medical research.

Maximise Impact Maximise Impact

Maximize research impact

Making a difference in the world is what unites, aligns, and drives us. Founded by an MD/Ph.D. who experienced significant problems in medical research data management, we are determined to solve these issues and have a lasting impact on humankind.

Push Boundaries Push Boundaries

Push boundaries through direct communication and diversity

It takes people with different ideas, backgrounds, values, and personalities to accomplish our goals. We actively encourage direct communication, thoughtful debate, and respect for each other's different points of view.

Amaze Amaze

Amaze through user-friendly and rewarding experiences

We develop user-friendly technology that works for researchers, not against them, and make sure they are wowed throughout their interactions with Castor.

Act Responsibly Act Responsibly

Act responsibility and protect the data

Integrity and honesty are non-negotiable attributes of our team. We are accountable and refuse to sacrifice our values. We respect our customers’ precious data and protect it at all costs.

Our Impact

By bringing clinical trials into the 21st century, we’re helping people to live longer, healthier, and happier lives.

#1 Ranked platform

Ranked platform

85K+ Happy Users

Happy Users

8500+ Studies

Studies

98

% Customer Satisfaction

Customer Satisfaction

90+ Countries

Countries

2.8M+ Patients

Patients

100

%
On time delivery
On time delivery

Our Benefits

Driving the future of clinical research deserves impactful rewards
Competitive compensation Competitive compensation

  • Competitive salaries with bi-annual salary reviews  

  • A guaranteed ‘happy holidays’ bonus paid annually in December

  • A prospective ‘company performance’ bonus paid annually in January

  • ESOP: investing in our people with a rewarding employee stock option plan

  • Referral reward program 
Holidays and leave Holidays and leave
  • The Netherlands: 30 days annual leave (plus national holidays)

  • United States: 30 days PTO (including flexible sick leave and national holidays

  • United Kingdom: 25 days annual leave (plus national holidays)

  • Competitive annual leave for all other countries*

    *depending on country of residence
Wellbeing at work Wellbeing at work
  • Wellbeing playbook for all employees

  • Subscription to Calm

  • Quarterly downtime weeks

  • Bi-weekly virtual meditation sessions

  • Virtual company events 

  • Sleeping courses

  • A ‘wellbeing boost slack channel

  • Access to a company coach

  • A 24/7 accessible ‘getting things done’ workshop
Learning and development Learning and development

  • An annual €750 credit allowance in Learnerbly

  • An annual €750 (or the currency equivalent) to spend on professional development

  • A bi-annual alignment cycle promoting open feedback through Impraise
Remote and flexible working Remote and flexible working

  • Access to Appical which supports an amazing remote onboarding journey 

  • Ensuring you have the best possible remote working setup

  • Setting you for success with a remote welcome pack

  • Support from our workplace experiences coordinator 

  • Work remotely or from a Castor office location near you 

  • The opportunity to work with an international and fast-growing company

  • A focus on agile and flexible working
Technology Technology
  • A Mac or Dell laptop

  • Personal IT support and setup on your first day 

  • Access to professional tools including G-Drive, Zoom, Miro, Slack, Confluence, ProductBoard, Figma, Jira, and Asana

  • Internal communication and meeting guidelines to support asynchronous communication

Join us to bring clinical trials into the 21st century

Our Locations

Everyone, everywhere, driving clinical research forward
New York Office 221 River St.
9th floor
Hoboken, NJ 07030
United States of America
New York Office
Amsterdam Office George Westinghousestraat 2
1079 BA, Amsterdam
The Netherlands
Amsterdam Office