Mantar Tech
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Software Agency · Istanbul & London · UK-Registered

Quietly building software that works.

UK software agency for web apps, mobile apps and custom software. App developers available across the UK. We listen first, then build clean, practical solutions.

Web Apps Mobile Apps Custom Software App Developers UK
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Solutions shaped around your needs.

Like fungi decomposing matter into nutrients — we transform complex requirements into clean, living software.

🌐

Web Applications

Fast, accessible, scalable platforms. React, Next.js, Vue or fully custom architectures — the right seed for your soil.

📱

Mobile Applications

Native and cross-platform apps for iOS and Android. Swift, Kotlin, React Native or Flutter.

API & Backend

Secure, documented, performant APIs. Node.js, Python, .NET, Go — the invisible network connecting everything.

🎨

UI/UX Design

Research-driven, user-centered design. Wireframe to product — nature's clarity and simplicity at every step.

☁️

Cloud & DevOps

Infrastructure setup on AWS, Azure or GCP. CI/CD pipelines, containers and monitoring.

🧭

Technical Consulting

We analyze existing systems, identify technical debt, create roadmaps. An independent lens for better decisions.

🇬🇧

App Developer UK

Looking for a UK-based app developer? Fixed price, full source code ownership. Web and mobile apps from £8,000.

🏢

Software Agency UK

UK-registered software agency. Fixed-price contracts, no vendor lock-in, 100% IP ownership. From idea to live product.

💻

Software Development UK

Custom software development for businesses across the UK. Web, mobile, API and enterprise platforms — built to last.

🏙️

IT Company London

London-based IT company for custom software and app development. UK-registered, fixed price, full code ownership.

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How we work, step by step.

Discovery
We clarify your needs and goals together.
Design
Weaving user flows and interfaces like hyphae.
Development
Writing clean, testable, interconnected code.
Testing
Verifying every scenario meticulously.
Launch
Secure, smooth release into the wild.
Support
We're here after launch too.

Got an idea? Let's talk.

A new project or an existing system — we can start with a free, no-pressure conversation.

Get in Touch