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Privacy-First Apps

We build applications that protect user data at the mathematical level, not just through policy promises or GDPR checkboxes.

What is Zero Knowledge? A cryptographic technique that lets you prove you know something (a password, an identity, a transaction) without revealing the underlying information. Privacy without compromise.

What We Build

ZK-Powered Applications

Applications where user data is verified without ever being exposed: identity, credentials, financial data.

Privacy-Preserving Protocols

On-chain and off-chain protocols where participants can interact without revealing sensitive state.

Privacy Architecture Consulting

Not every project needs ZK proofs. We help you assess when it's the right tool and design accordingly.

What You Get

Data stays private, always
Beyond GDPR compliance
Usable, not just secure
User-controlled data
Verifiable without exposure
Reduced liability surface

 Discuss your privacy requirements

HOW WE DEVELOP SOFTWARE

How we develop Software

Five phases. Fixed prices. No lock-in.

Phase 01

Discovery Phase

Fixed price at 3.500€ Buy now
  • Requirements Engineering
  • Software Architecture
  • Milestone Plan
  • Technical Flows and Sequence Diagrams
  • Launch Plan and Milestone Plan
Phase 02

First Iteration

Fixed price between 15–20k€ (MAX) Book Discovery Phase
  • Building your real MAP (Minimal Awesome Product)
  • Cost-effective approach — strip requirements to 15–20k max
  • Test directly on the market as cheaply as possible with real customers
  • Discovery Phase cost is deducted as a rebate
Phase 03

Subsequent Iterations

Fixed price packages / Agile Fixed Price What is Agile Fixed Pricing?
  • Building and extending product based on real customer/user demand
  • Ideally partially funded by real sales
  • Data-driven development decisions (watch user behavior over user demands)
  • Continuous improvement cycle
Phase 04

Maintenance

Fixed weekly retainer 750€ / week, cancel anytime Subscribe now
  • Security patches (nobody likes data breaches or losing money)
  • Fixing bugs (can be a major reason of customer churn)
  • Technical support (most companies have an abysmal customer support)
  • Performance, cost & CI/CD optimization
Phase 05

Further Dev / Hand-Over

Your product, your team. We'll never lock you in.
  • We'll never make you dependent on our team
  • Smooth transition to your internal team
  • Knowledge transfer and documentation
  • Continued support as needed
Fixed price at 3.500€ Buy now
  • Requirements Engineering
  • Software Architecture
  • Milestone Plan
  • Technical Flows and Sequence Diagrams
  • Launch Plan and Milestone Plan
Fixed price between 15–20k€ (MAX) Book Discovery Phase
  • Building your real MAP (Minimal Awesome Product)
  • Cost-effective approach — strip requirements to 15–20k max
  • Test directly on the market as cheaply as possible with real customers
  • Discovery Phase cost is deducted as a rebate
Fixed price packages / Agile Fixed Price What is Agile Fixed Pricing?
  • Building and extending product based on real customer/user demand
  • Ideally partially funded by real sales
  • Data-driven development decisions (watch user behavior over user demands)
  • Continuous improvement cycle
Fixed weekly retainer 750€ / week, cancel anytime Subscribe now
  • Security patches (nobody likes data breaches or losing money)
  • Fixing bugs (can be a major reason of customer churn)
  • Technical support (most companies have an abysmal customer support)
  • Performance, cost & CI/CD optimization
Your product, your team. We'll never lock you in.
  • We'll never make you dependent on our team
  • Smooth transition to your internal team
  • Knowledge transfer and documentation
  • Continued support as needed

Get to know us

Long-term relationships over quick wins.

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