Critical Consultants


On-demand specialist experienced consultants

“The best specialists experts in the market”

Jeremy Baker, BBC Commentator, Affiliate Professor ESCP Europe

Critical Future Global® Blockchain Development Services

Custom Development

Whether through the creation of decentralized applications or support of a private blockchain, Toptal’s experienced blockchain developers help clients take advantage of the numerous opportunities that the emerging technology has to offer.

Blockchain Security

Blockchain provides alternative options for digital security, using familiar cryptography but with unchangeable data. Work with Toptal developers to understand how your company can use blockchain as a means to secure data and enhance the trust verification processes.

Smart Contracts

Smart contracts are programmed contracts that utilize execution in a distributed environment for enforceability. These can variously be used to support crowdfunding, blind auctions, multi-signature wallets, and more.


Companies are turning to Ethereum, a blockchain-based platform, for broader applications of trust verification beyond just cryptocurrency including smart contracts (powered by the programming language Solidity).


The most popular cryptocurrency in the world, Bitcoin was also the first distributed blockchain. Toptal developers have experience with Bitcoin Core, the underlying reference client for the currency, as well as with the digital currency itself.


Created by the Linux Foundation, Hyperledger is a project of open-source blockchains and related tools. Toptal Hyperledger developers have experience in Hyperledger blockchain platforms like Fabric and Sawtooth, and tools such as Cello.

How Critical Consultants Works

Talk to One of Our Industry Experts
A Director will work with you to understand your goals, needs, and team dynamics.
Work with Hand-Selected Talent
Within days, we’ll introduce you to the right talent for your project. Average time to match is under 24 hours.
The Right Fit, Guaranteed
Work with your new team member for a trial period, ensuring they’re the right fit before starting the engagement.


Critical Consultants provides specialist experienced consultants for projects and full time roles. This helps our clients resource projects: Strategy Marketing Technology Data analytics

Critical Consultants is a division of Critical Future, market leading strategy and technology consultancy.

We work with many of the world's leading companies including Siemens, Unilever, Fedex, Arcadia Group, Royal Mail, Aviva etc.

Key Benefits
  • Identify the best talent in the market
  • Rigorous selection process
  • Professional account management /li>
  • AI expertise built into the process
  • Exceptional quality talent (2018 – 2024)
  • Improved retention rates
  • First-class teams
  • Extremely responsive
  • Global presence
  • Contractors available immediately
  • Projects filled within 24 hours
  • Marketplace
  • Measurable ROI
  • Top 2% of independent talent

Why Critical Future?

World Class Professional Services
Critical Consultants is a division of Critical Future the trusted partner of some of the world's biggest brands, partner of the British government on important topics such as the Future of Banking. We have experience of delivering 1000s of projects for the most demanding clients in the world. We have the skills, resources, and passion to get your project delivered with excellence.

“Critical Future was selected by the British government to partner on a unique event on the Future of Banking”

Project Resourcing Specialist
Immediate responsiveness