About Athryx Tech

Athryx Tech is a software development company based in Bucharest, Romania, specializing in custom software, mobile applications, web platforms and AI automation.

We work with operators, product teams, and founders who need production-ready systems: scoped discovery, clear ownership, and delivery that can run after launch.

At a glance

Operational HQ

Strada Polonă 24, București, Romania

Core services

Custom softwareMobile app developmentWeb developmentNext.js developmentAI automationAI voice agentsSaaS developmentMVP developmentCustom ecommerceAPI & CRM integrations

What we build

• Custom software
• Mobile app development
• Web development
• Next.js development
• AI automation
• AI voice agents
• SaaS development
• MVP development
• Custom ecommerce
• API & CRM integrations

Where we work from

Our operational headquarters is in Bucharest, Romania, at Strada Polonă 24.

We collaborate with clients in Romania and internationally, primarily in English and Romanian.

Legal entity

Athryx Tech is the brand name used by ZENFIX SOFTLAB SRL for software development and related technology services.

Company

ZENFIX SOFTLAB SRL

CUI

43509220

Trade register

J2020000899396

The registered office of ZENFIX SOFTLAB SRL is in Focșani, Vrancea (Str. Cotesti 12). Day-to-day operations and client meetings are based in Bucharest.

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Tell us what you are building. We will respond with whether we are a fit and what a sensible next step looks like.