Reiben & Velvis, LLP is a

Colorado-based Business Law Firm

and Blockchain Counsel

About R&V

Reiben & Velvis, LLP is a Colorado-based law firm that has assisted in developing numerous successful Start Ups in the Blockchain Industry, both domestically and internationally.  With focus on ICOs, Securities & Regulation Law, Business Law, and Tax Law, Reiben & Velvis, LLP is able to offer individualized legal strategies for your Blockchain based endeavors.

Business Law

Choosing the correct business structure in the beginning stages can save you a vast amount time, money, and legal fees, allowing you to focus on what matters; running your new business. Our attorneys are here to find the best Business Structure for your entrepreneurial endeavor. We at Reiben & Velvis, LLP have experience providing Business consultation services ranging anywhere in the process from Formation to Dissolution including, but not limited to:

  • Business Formation Consultation
  • Which Entity choice will provide the most benefit to your business?
  • Creation/Review of Business Contracts
  • Local Regulation Compliance Consultation Business Plan Development/Consultation
  • Tax Law Implications of Structure Type
  • Review of Property Purchase/Lease Agreements Business Dissolution Consultation

Tax Law

Our Attorneys have experience in delivering optimal results for the following Tax Law matters:

  • IRS Audits
  • Offers in Compromise (OIC)
  • IRS Seizure of Property and/or Assets Federal Tax Liens
  • IRS Levies
  • Installment Agreements
  • Wage and Social Security Garnishment Civil Penalties
  • General IRS Questions

Contact Reiben & Velvis, LLP today to help navigate your state or federal tax liability and reach a solution for your specific tax issues. Reiben & Velvis, LLP accepts clients in all 50 states with state or federal tax liability.

About the Attorneys

Joe Reiben

Joseph Reiben has been a licensed attorney in Illinois since 2008, and has worked for firms in both Chicago and Denver with concentrations in tax, business and bankruptcy law. In 2016 the opportunity arose to begin working with clientele in the cannabis and blockchain industries, and from this, framework was laid for Reiben & Velvis.

Joseph has worked with a multitude of entrepreneurs and start-up businesses, assisting them with setting up business models that promote future success, as well as drafting all accompanying documentation and obtaining relevant licenses both domestically and internationally. Joseph has also steered multiple crypto companies through the ICO, or Initial Coin Offering, process, having worked to ensure governmental and regulatory compliance in jurisdictions such as Malta, Switzerland, Singapore, the UK, Cayman Islands, Estonia and the United States. He has also worked with numerous state Securities Divisions in the United States to ensure compliance domestically for crypto and blockchain companies and to facilitate

Joseph has also been an active trader of crypto currencies since 2014, which led to a deeper and more comprehensive understanding of how the markets operate from a technical standpoint,  contributing to his ability to assist clients with the legalities of tokenization through ICO,s and STO’s. By doing so, he has also been invited to speak about crypto regulation on the NASDAQ trading floor as well as other engagements.

Joseph also works with individuals and businesses to resolve tax liability owed to the state or federal government in an efficient, cost effective manner. Through a deep understanding of IRS and state tax law and usage of an array of negotiation strategies, Joseph has been successful in saving his clients millions of dollars in back tax liability.

In addition to practicing law, Joseph is a professional bassist and pianist, performing with multiple orchestras across Colorado and Wyoming. Joseph is also an avid outdoors enthusiast, frequently camping and hiking 14er’s across the Front Range.


Niek Velvis has been working as a business and tax law attorney in Colorado since 2012.  As a specialist in business and tax law, Niek has worked with many businesses in the Colorado Cannabis Industry for their business and tax law legal needs. Since the inception of Reiben & Velvis, LLP in 2016, he has applied his experience with business, tax, and regulatory compliance to work with businesses in all facets in the cannabis industry.


His involvement with navigating regulatory frameworks quickly led to assisting businesses in the Blockchain industry.  With active experience with crypto currencies since 2014, and having successfully worked with numerous ICOs in countries such as; Malta, Estonia, Singapore, Switzerland, Canada, Cayman Islands, and the UK, he continues to focus his practice in working with Blockchain focused business endeavors both internationally and domestically.




Niek Velvis


“There is one word that defines Reiben & Velvis: Excellence.”

Grants Pass, Oregon

Reiben & Velvis can provide a solution to your Business and Tax Law needs.  Contact us today.