Top Companies providing Proof of Authority (PoA) services:
Handpicked companies • No obligation to hire • 100% risk-free
Use the advanced filter to find companies near you or refine the results Last updated in: July, 2026
Blockchain consulting & delivery partner for fintechs, protocols and financial infrastructure teams
Qanzak Global is a forward-thinking technology company focused on building intelligent business management solutions for modern organizations.
Yumeus Technologies delivers custom software, AI, blockchain, and digital transformation solutions for global businesses.
Helping businesses scale through custom software, AI solutions, cloud technologies, and digital transformation.
Established in 2015, ITSpectrum Solutions is a leading blockchain development company delivering innovative, scalable, and customized solutions.
Custom software & development solutions. Software, Web, and mobile app development
Digital product and experience consultancy shaping UX/UI, CX, and digital platforms for modern brands.
Building secure, scalable blockchain and Web3 solutions for startups, enterprises, and global innovators.
Custom software & product development across fintech, governance, eCom, logistics, delivery, and eSports betting.
Interpretica is a software testing and cybersecurity company based in Porto, Portugal specializing in complex and embedded systems.
ORKA Limited is an IT development company covering two divisions: ORKA.systems-trusted IT development company, ORKA.ooo-digital creative agency
Innovative ByteBridge is a Mohali-based tech company specializing in Web3, blockchain solutions, and custom website development for enterprises.
We deliver AI automation, cybersecurity & blockchain solutions that help enterprises and governments save time, cut risk, and scale smarter.
Custom software development team building web & mobile apps for startups and SMBs-fast delivery, clean code, and reliable long-term support.
Sofixs delivers scalable IT solutions in web, software, and digital transformation for startups and global businesses.
Shaping the Digital Horizons
Local IT consulting & managed services for Hampton Roads small businesses — security, custom software, and automation, in plain English. Easy!
Exr webflow is a premier digital agency dedicated to transforming how brands connect.
Lapnos is an international development firm that works with governments and public institutions across South Asia and Africa.
We combine AI, design, and engineering to build products that think, adapt, and perform. From workflows to user journey.
Empowering businesses through cutting-edge technology solutions
Specialized IT hub in Vietnam providing elite dedicated teams for Web, Mobile App development, and custom enterprise solutions to drive digital growth
AI-native software agency building autonomous AI agents, smart automation, and scalable digital products for modern businesses.