Trusted by 2,500 organizations
A Wide Range of Qualified Subject Matter Experts

PhD-qualified scientists from top institutions worldwide. Published researchers, experienced innovators and problem solvers.

Scientists & Academics
Scientific disciplines
Projects posted
Get bids in 24 hours
How it works
Post project (Free)

Describe your project, choose your budget, and select the service you need.

Choose the best expert

Get bids from relevant experts. Interact freely with them before making a hire.


Share files, make audio/video calls and collaborate with your chosen expert.

Complete project

Verify the project is complete to your satisfaction before paying the expert.

Success Stories

Kolabtree freelancers have helped businesses and researchers worldwide take their projects to success.

  • Statistical Analysis
  • Healthcare

Design a statistical study

A medical volunteer hired a freelance researcher for help measuring the impact of an HIV awareness initiative in Uganda.

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CostUSD 800 Time Taken1 Month
  • Secondary Research
  • Medical Device

Help with medical device innovation

The founder of a US-based medical device company hired a scientific writer to provide supporting research for the launch of a new product.

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CostUSD 2750 Time Taken20 Days
  • Scientific Consulting
  • Food Science

Formulate tasty gluten-free bread

A US-based food entrepreneur was looking for a scientist to formulate a high-quality gluten-free bread.

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CostUSD 900 Time Taken2 Weeks
  • Statistical Analysis
  • Medical Device

Statistical review of pre-clinical study

A medical device company hired a biostatistician from the Netherlands to review the results of their pre-clinical study and prepare it for journal publication.

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CostUSD 500 Time Taken1 Week
  • Experiment Design
  • Healthcare

Design a clinical trial

A California-based breast cancer surgeon hired an India-based biostatistician to design a clinical trial.

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CostUSD 1575 Time Taken2 Weeks
  • Scientific Consulting
  • Medical Device

Develop a medical device

An Australian medical device innovation company hired a Mexico-based nanotechnology expert to develop electrodes that could destroy living tissue.

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CostUSD 2000 Time Taken1 Month
Why Kolabtree

We provide a safe and secure platform for easy cross-border collaboration.

Risk-free and painless, no upfront fees

We hold your payment securely until you are ready to release the payment to the freelancer. Pay only if you’re 100% happy with the work delivered.

We will provide a full refund if the freelancer’s work is not up to our quality mark.

Save costs without compromising on quality

Easily find experts for short-term projects without having to invest in expensive agencies or full-time staff. Get quotes within your budget. No minimum fee or contract required.

Organizations have saved costs of over 40% by hiring freelancers on Kolabtree.

Highest standard of security & privacy

We take extra steps to protect your information and ensure confidentiality. You always have full control over who can see your project.

Our T&C protects your IP by default so that you can work with full confidence.
Trust and Safety

We take extra care to protect your information so that you can work with full confidence.


Project privacy control

Choose to keep your project private and invite only specific freelancers to access it. You have full control over who can see your project and send you proposals. If your project is public, it is shown only to logged-in Kolabtree users and never on search engine results.

IP protection & NDAs

Our T&C state that the client is the sole and exclusive owner of all IP. For added protection, you can get custom NDAs signed by freelancers.

Trusted experts

All our experts are manually screened and adhere to the highest levels of integrity. As academics, they are particularly careful about information sensitivity.


Our systems are kept secure to ensure your information is safe at all times. We never share your information with any third party.

Kolabtree benefits

Trusted partner for enterprises

Kolabtree is a trusted partner for large organizations and enterprises that need to build flexible, remote teams. Easily integrate our freelancers into your systems, customize terms and add multiple collaborators.

Hassle-free payments

Pay freelancers easily using the payment option that’s most convenient for you: per project, by the hour or in milestone-based installments. We take care of all invoicing and paperwork. Pay only when 100% happy with the work delivered.

Support Team

In case of any questions, challenges or disputes, our friendly support team is always ready to help. Use our live chat to get your questions answered at the earliest.

What our customers say

Contribute to the growing pace
of innovation worldwide

Interested in collaborating with researchers across the scientific spectrum? We’re calling postdocs & PhDs to
join Kolabtree to work on interesting projects and speed up the pace of research and innovation worldwide.

Browse Freelance Scientists by Subject and Skill

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