Germanys Leading Web3 Experts
Overview
Softstack is a Germany-based Web3 software development and cybersecurity company specializing in blockchain infrastructure, smart contract audits, and production-grade software systems. Founded in 2017 (formerly Chainsulting), Softstack has completed 1,500+ smart contract audits with a zero-exploit track record and supports clients from early-stage startups to institutional players.
The company operates across major ecosystems including EVM, SVM, CosmosSDK, Substrate, and Layer 2s, and delivers services ranging from security audits and penetration testing to full-stack software development and infrastructure operations. As an ISO 27001–certified provider, Softstack combines deep technical expertise with enterprise-grade security standards.
Softstack is trusted by leading organizations such as Ripple, TON, Tezos, BitGo, Fetch.ai, Bitcoin.com, and Anchorage Digital, and focuses on building secure, scalable systems that are ready for real-world adoption.
What clients say
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What reviewers mention most
“Professional and with great expertise always on time”
Softstack's engagement was very professional and we always felt treated as a valuable customer. Yannik and his team have great expertise and delivered as agreed
“Professional, flexible, efficient, no nonsense approach”
We used Softstack for blockchain integration, enhancing transparency and adding verifiable information into our supply chain, which builds trust and improves operations. Professional, flexible, efficient, no nonsense approach
“Working with Softstack was smooth and professional from start to finish, giving us strong confidence”
Our overall experience with Softstack has been very positive. The team is professional, easy to work with and technically strong, and their report gave us clear, actionable insights and real confidence to move forward with our launch.
“We used Softstack for a smart contract audit. I value their expertise and clear communication.”
I appreciate that Softstack has a zero exploit record, which is quite rare and impressive in our industry. Their quick response times and personal approach made a significant difference; they treated us with great customer care rather than just another client. This white-glove service coupled with their high level of expertise and clear, concise reports have proven invaluable to us. Their professionalism and outstanding reputation in the industry further reassure me of their quality, making me eager to continue working with them and recommend them to others. Softstack’s services offer necessary security audits that are vital for launching our platform securely and safely, ensuring trust from users and partners. They have helped make what is essential for user safety, organizational safety, and peace of mind an achievable goal. Their expertise is critical for us to confidently scale our operations.
“Top Tier Web3 Security Auditor”
Softstack delivered multiple audits on our Token Core Protocol and Staking Emissions with a level of rigor and collaboration that exceeded expectations. Findings were precise, impact focused, and paired with clear remediation guidance. The team was responsive, thorough in retesting, and proactive about hardening our upgrade and treasury controls. We shipped with confidence.
“Germanys leading blockchain dev company”
Chainsulting have been constantly professional and have always delivered according their promises. We look forward to a continuing work with them over the months and years ahead.
Focus
How the team's effort is distributed across services.
Where their work concentrates - by industry, budget, and timeline.
Where we are
Offices where softstack operates.
