High-performance websites and web applications that work as sales tools, not just digital brochures. Built in Next.js and React with performance and conversion in mind.

Next.js & ReactTypeScriptPerformance optimisedSEO-first approach

Custom Software

Bespoke web applications and backend systems tailored to your business processes. Payment integrations, dashboards, automation — we build what off-the-shelf can't.

Architecture designAPI & backend developmentPayment integrationsCloud deployment

SEO & Growth

Data-driven SEO and growth systems. We set up the technical foundation, analytics, and content strategy so your web works for you 24/7 — without paid ads.

Technical SEO auditGA4 & Search ConsoleContent strategyConversion optimisation

Tech Consulting

Architecture reviews, tech stack decisions, and hands-on development consulting for product teams that need senior expertise without a full-time hire.

Tech stack advisoryCode & architecture reviewTeam augmentationProduct strategy

About us

We turn ideas into digital products that perform

Altus Digital is a small but mighty software agency based in Zagreb, Croatia. We partner with startups and established businesses to design and build digital products that people love to use.

Learn about us

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Next.js

React framework

TypeScript

Type-safe code

AWS / GCP

Cloud platforms

Agile

Development process

From the blog

Thoughts & insights

All articles

B2BWeb Strategy

Why Your B2B Website Isn't Generating Leads (And How to Fix It)

Most B2B websites look professional but fail to convert. Here's the framework we use to turn a static digital brochure into a lead generation machine.