SISG

About

The companybehind the code.

SISG - Super Intelligence Systems Group - is a software engineering company building reliable technology for businesses across the European Union.

Who we are

Engineering-first, since 2024

SISG (Super Intelligence Systems Group) is a brand of X DIGITAL ASSETS SIA, a company registered in Latvia on 16 December 2024. We build custom software, web applications and cloud infrastructure, and provide IT consulting for businesses of all sizes.

Our engineering philosophy is simple: robust systems are built in layers. From infrastructure and databases through to application logic, APIs, security, and user interfaces - each layer matters, and each layer must be done right.

We operate across the European Union, working with clients ranging from startups to established enterprises. Our focus is on delivering practical, well-engineered solutions that solve real business problems - not chasing trends.

Working style

How we work

We believe in honest communication, transparent pricing, and delivering what we promise. Every engagement begins with a clear understanding of your requirements and ends with working software and proper documentation.

Our development process is structured but not rigid. We use modern engineering practices - version control, automated testing, code review, continuous integration - because they produce better results, not because they are fashionable.

We do not outsource. The engineers who discuss your project with you are the same engineers who write the code. This means faster iteration, fewer misunderstandings, and better outcomes.

SISG is a brand of X DIGITAL ASSETS SIA, a limited liability company (SIA) registered in Latvia in the Register of Enterprises of the Republic of Latvia, registration number 40203611907, VAT number LV40203611907, registered on 16 December 2024. Our registered office is at "Skudriņas", Mārupes novads, LV-2167, Latvia. We process personal data in line with the EU General Data Protection Regulation (GDPR) and the Personal Data Processing Law of the Republic of Latvia.

Principles

What drives us

The non-negotiables behind every project we take on.

  • Security by default

    Every system we build starts with security architecture. Not bolted on after - designed in from the beginning.

  • Code ownership

    No outsourcing, no handoffs. The engineers on your call are the same ones writing your code.

  • Transparent delivery

    Progress shown on working software, agreed timelines and honest communication about where your project stands.

  • Cross-border capability

    Cross-border operational experience across the EU. We understand the regulatory landscape our clients work in.

  • Measurable goals

    Where they matter, performance, availability and delivery targets are agreed in writing for each project.

  • Long-term thinking

    We build systems meant to last. Clean architecture, proper documentation, maintainable code.

Technology

Our stack

We choose the right tool for each project - not the trendiest one. Here is what we work with most.

  • Frontend

    • React
    • Next.js
    • TypeScript
    • Tailwind CSS
    • HTML/CSS/JS
  • Backend

    • Node.js
    • .NET
    • Python
    • PostgreSQL
    • Redis
    • REST & GraphQL
  • Cloud

    • AWS
    • Azure
    • Cloudflare
    • Docker
    • Terraform
    • GitHub Actions
  • Security

    • OWASP
    • ISO 27001
    • GDPR tooling
    • Penetration testing
    • Audit logging
Discovery · Free first conversation

How a project starts

What happens between your first message and the first line of code.

From problem to written proposal

We start by understanding the business problem, not the technology. After a free first conversation we map requirements, constraints and existing systems, then send a written proposal with scope, architecture outline, timeline and price. You decide whether to go ahead - no obligation and no code until the plan and price are agreed in writing.

You approve the plan before we build

  • Requirements
  • Architecture
  • Agreed price
  • Timeline
  • Security review
  • GDPR

Ready to work together?

Whether you need a full project or a second opinion on your technology strategy - we are happy to talk.