I completed both the Beginner and Intermediary bundles of the O2K Ultimate Guide to Taxation and Regulation of Crypto Assets, and I genuinely learned a lot. If you're looking for a crypto tax course t... See more
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This was a very informative and well-structured course on crypto assets taxation. The content was explained in a clear and accessible way, making it suitable for both beginners and those with some pri... See more
Company replied
I completed a legal internship at O2K and had a very positive experience. The team was welcoming, professional, and always willing to support me throughout my internship. During my time there,... See more
Company replied
A very concise introductory course on Blockchain technology and Taxation.
Company details
Written by the company
@O2K is a tax and legal consulting firm established in 2020 in Amsterdam, specialized in crypto assets and their international taxation and regulation. We advise individuals, companies, institutions, and governments through one-on-one consulting and tailor-made training, covering crypto and traditional assets in cross-border contexts. Our services include international crypto tax and compliance, regulatory and legal advice, KYC & AML frameworks, company formation and structuring, crypto licensing in Europe, NFT valuation, and part-time Head of Tax / Legal roles. @O2K also developed the 10-lesson “Ultimate Guide to Taxation and Regulation of Crypto Assets”, the only course on the market addressing crypto from a fully international tax perspective.
Contact info
Talbotstraat 227, 1087 DM, Amsterdam, Netherlands
- 0031628644223
- antonia@gmail.com
- o2k.tech
You should know
4.7
Excellent
30 reviews
No recent history of asking for reviews
This company hasn't invited customers recently, so reviews may not be representative
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O2K makes crypto compliance and…
O2K makes crypto compliance and education clear and accessible. The courses break down complex topics—especially crypto asset taxation—into simple, practical explanations using plain legal language.
Whether you’re a tax professional, regulator, law enforcement agent, or an investor in Bitcoin, cryptocurrencies, NFTs, or other digital assets, O2K provides a strong starting point. The content is well structured, easy to follow, and avoids unnecessary technical or legal jargon, saving a significant amount of time.
6 January 2026
Unprompted review
Reply from @o2k
Thank you so much for the nice words, Hanene
Great help with a transaction
Thanks to @o2k I was able to perform a very important transaction in crypto.
I will not go into details, but, they were very professional and we (counterpart and me) feel protected for eventual problems who might occure.
Very happy with them and, not only professionaly but, I think I made some friends.
19 December 2024
Unprompted review
An explanatory course about crypto and tax
Course content cryptocurrencies and taxation. It was a very successful explanatory course. A must-attend course for those who are curious about crypto and blockchain.
16 January 2024
Unprompted review
Blockchain technology and Taxation
A very concise introductory course on Blockchain technology and Taxation.
14 November 2022
Unprompted review
The Beginners Level Course is well structured and well presented
I have taken the Beginners Level Course in Crypto Assets and How do we Tax them? The course is well structured and well presented.
This course gives you the learner the fundamental knowledge of cryptocurrencies and the different terminologies you need to know about cryptocurrencies.
I have learnt a lot studying this course and I encourage everyone to enroll on this course.
@O2K Consulting is the best place to learn everything about crypto assets and the different types of taxes applicable to Crypto Assets.
21 September 2022
Unprompted review
Trustworthy and professional service…
Trustworthy and professional service providers with deep knowledge in crypto related matters
2 August 2022
Unprompted review
Nice and bright consultants.
2 August 2022
Unprompted review
I really enjoyed their beginners'…
I really enjoyed their beginners' course. It is an eye-opener. Banks are terrible with handling big transactions, while crypto assets give you the opportunity to exclude the middle man (the bank). It definitely is worth exploring!
1 August 2022
Unprompted review
Very reliable and knowledgeable people…
Very reliable and knowledgeable people for all crypto tax, compliance & regulation aspects. I highly recommend their crypto tax courses.
1 August 2022
Unprompted review
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