Checked 30 Oct 2026 · 1 change this month
Kolabtree 3.3Bronze 30 pts
A freelance marketplace for scientists and researchers - PhDs and specialists consult on projects from data analysis to regulatory writing.
- Open worldwideWorldwide
- VettedScreens people before they join
- Pays via PayPal+1 more way to get paid
- Work from homeOnline, from anywhere
- Since
- 2015 11 yrs
Based in- London, United Kingdom
- Web rank
- #366,092 worldwide
Can you join Kolabtree?
Answer two questions and we check them against Kolabtree's sign-up rules.
Pick your country and age then press Check. Your answer shows here and in “Can I join?” below.
Kolabtree is a freelance marketplace where providers are screened before they can join, and the work can be done remotely. Fees are 20% commission deducted from project fee, earnings are typically paid out within 45 days of the invoice issued after work is accepted, by bank transfer or payment gateway and you can withdraw via Bank transfer and PayPal. Founded in 2015, Kolabtree is based in London, United Kingdom. It is available worldwide.
Last updated
Getting paid
What the platform takes, when you get your money and how
Not verified yet: Payment protection · Minimum payout Know the answer? Tell us
From the published fees above, before payment-processing, currency or withdrawal charges. Work out your own amount →
What people actually earn on Kolabtree
Sourced figures from the platform, filings and independent studies
Figures published by Kolabtree or by independent studies and surveys, as dated. Individual earnings vary widely.
What changed
Every update we made to this listing, with the page we checked
1 update · latest Nov 1, 2026
What changed
Every update we made to this listing, with the page we checked
- Payout speed added: Within 45 days of the invoice issued after work is accepted, by bank transfer or payment gateway source ↗
Every change we make to this listing, with the official page we checked. Recent updates across all platforms →
How complete is this profile?
We have 8 of the 17 things we track for every platform. Fees, payouts, join rules, countries and real earnings count most.
- Plain-English overview
- Minimum payout
- Payment protection
- Join requirements
- Review ratings
- Wikipedia or reference page
- Support channels
- Mobile apps
- Social accounts
- What kind of platform it is
- Year founded
- Headquarters
- Fees
- How fast you get paid
- Withdrawal methods
- Countries it accepts
- Real earnings figures
Every fact is checked against the platform's own pages. How we check →
Our rating
Worked out from the facts on this page, the same way for every platform
Strong on access. Weaker on getting paid.
- Fees3.5
- Getting paid2.3
- Access4.0
- Track record3.5
- Proof of earnings3.0
Not a review of service quality: a score from verified fees, payouts, access, track record and earnings data. How the rating works
Achievements
30 of 100 points from 4 of 14 achievements, Bronze tier. Earned from verified facts, never paid for
Verified earningsA sourced figure for what people earn or are paid there+10
Why it matters You can judge the pay from a real number instead of the platform's own promises.
How we check We need a figure for what earners are paid, earn typically, or how many people earn, with a link to the filing, pay page or study it came from.
Kolabtree 20,000+ experts (2026)
Every platform with this badge →Open worldwideAccepts people from almost every country+10
Why it matters Most earning platforms only take people from a handful of countries. This one lets almost anyone join.
How we check The platform's own terms or sign-up pages say it accepts people worldwide, with no more than eight countries left out.
Kolabtree Worldwide
Every platform with this badge →Clear feesPublishes its cut as a percentage+5
Why it matters You can work out what you keep before you start.
How we check The platform publishes its cut as a percentage on its pricing or help pages, which we record as a range when it is tiered.
Kolabtree 20%
Every platform with this badge →10 years runningFounded at least 10 years ago+5
Why it matters Platforms that have lasted a decade are less likely to vanish with your balance.
How we check Its founding year, checked against company records, is at least 10 years ago.
Kolabtree Founded 2015
Every platform with this badge →Free to joinNo fee to sign up5
Why it matters Paying to join is a red flag on many work sites. This one costs nothing to start.
How we check The platform's sign-up and pricing pages show no fee to register as an earner.
Not earned yet: we have not verified this for Kolabtree.
Every platform with this badge →Low cutTakes 10% or less of what you earn10
Why it matters More of every payment reaches you. Many marketplaces take 20% or more.
How we check The highest percentage the platform names in its published fees is 10% or less.
Kolabtree 20%
Every platform with this badge →Low payout barLets you cash out $10 or less5
Why it matters Small earnings are not left stuck in your account waiting for a high threshold.
How we check The platform's published minimum withdrawal is $10 or less, or it has no minimum.
Not earned yet: we have not verified this for Kolabtree.
Every platform with this badge →Fast payoutsPays out instantly, daily or on demand5
Why it matters Money arrives when you need it, not weeks later.
How we check The platform says payouts are instant, same-day, daily or on demand.
Kolabtree Within 45 days of the invoice issued after work is accepted, by bank transfer or payment g…
Every platform with this badge →Payment protectionHolds or guarantees payment before you work10
Why it matters Something stops you working for nothing, such as client money held before the work starts.
How we check The platform publishes how it protects earners' payments: escrow, guaranteed pay or a dispute process.
Not earned yet: we have not verified this for Kolabtree.
Every platform with this badge →Loved appA mobile app rated 4.5 or higher5
Why it matters A well-rated app usually means smooth day-to-day work and fewer payout problems.
How we check The platform's app is rated 4.5 or higher on the Apple App Store or Google Play.
Not earned yet: we have not verified this for Kolabtree.
Every platform with this badge →Top 10K websiteAmong the world's 10,000 most visited sites (Tranco)5
Why it matters Big platforms have more clients and buyers, and a lot to lose from treating earners badly.
How we check The site ranks in the world's 10,000 most visited on the Tranco list, a research-grade ranking.
Kolabtree #366,092 worldwide
Every platform with this badge →20 years runningFounded at least 20 years ago5
Why it matters Two decades of paying people is a strong track record.
How we check Its founding year, checked against company records, is at least 20 years ago.
Kolabtree Founded 2015
Every platform with this badge →Public companyListed on a stock exchange, with audited filings5
Why it matters Listed companies publish audited accounts, so their finances and risks are public.
How we check The company has a stock ticker on a public exchange, with filings we can read.
Not earned yet: we have not verified this for Kolabtree.
Every platform with this badge →Fully documentedFees, payouts, countries and company details all verified15
Why it matters Everything you need to decide is verified here, not left as guesswork.
How we check Fees, payouts, minimum payout, who can join and the company details are all recorded from official pages.
Not earned yet: we have not verified this for Kolabtree.
Every platform with this badge →
How achievements and tiers work · Open any badge for the details
Can I join Kolabtree?
Age, countries, equipment and how sign-up works
We haven't verified Kolabtree's sign-up requirements (age, countries, ID and equipment) yet. It screens people before they can join. See which platforms you can join with your details →
How Kolabtree compares
Against similar platforms in our directory
- At 20%, Kolabtree charges more than 23 of the 30 freelance sites we track that take a percentage (median 12.3%).
- Kolabtree offers 2 ways to withdraw — more than most freelance sites we track (typical: 1).
- Launched in 2015, Kolabtree is newer than most freelance sites — 36 of the 58 we track were founded earlier.
Compared with the freelance sites in our directory. See them all →
Is Kolabtree legit?
What we could verify about the company
Kolabtree is a real, operating platform. What we could verify:
- Operating since 2015 (11 years)
- Headquartered in London, United Kingdom
- Screens providers before they can join
- Its domain kolabtree.com was registered in 2014 (registry record)
Listing last updated October 2026 · how we verify platforms · Missing or out of date? Tell us
Kolabtree in public records
Company filings, web traffic and app store data
- Website rank
- #366,092 worldwideAmong the top million sites (kolabtree.com)
- Domain registered
- Aug 2014kolabtree.com, 12 years ago
Sources: Tranco · RDAP registry. Retrieved October 29, 2026.
Kolabtree timeline
Founding, funding, milestones and news
-
Founded
Kolabtree founded
Headquarters today: London, United Kingdom
-
Milestone
20,000+ experts
Kolabtree says more than 20,000 freelance scientists and experts in 175+ countries are on its platform.
Source ↗ -
On FreelanceSites
Added to the FreelanceSites.net directory
Checked against its official pages before listing.
From the platform's own reports and press coverage we checked, plus company records on Wikidata. Know a milestone we're missing? Tell us
Guides
Step-by-step help for this platform
No step-by-step guide for Kolabtree yet. Browse all guides or find the right way to earn for you.
Frequently asked questions
Quick answers about Kolabtree
How much does Kolabtree charge?
Kolabtree fees: 20% commission deducted from project fee. On a $100 payment that leaves you about $80, before withdrawal or conversion costs.
How do you get paid on Kolabtree?
Kolabtree pays out via Bank transfer and PayPal. Timing: Within 45 days of the invoice issued after work is accepted, by bank transfer or payment gateway.
Which countries is Kolabtree available in?
Worldwide.
How much do people earn on Kolabtree?
Kolabtree says more than 20,000 freelance scientists and experts in 175+ countries are on its platform. Individual earnings vary widely.
Is Kolabtree legit?
Yes, Kolabtree is a real, operating platform: operating since 2015 (11 years), headquartered in London, United Kingdom and screens providers before they can join. As with any platform, check its current terms before relying on it for income.
What are the best Kolabtree alternatives?
Similar platforms include Toptal, Arc.dev, Braintrust and Upwork. Compare their fees and payouts in the alternatives section below.
Compare Kolabtree with…
Kolabtree alternatives
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