K35 Limited • Belfast
Turn bold ideas into apps that feel like magic
We blend product strategy, UX craft, and performance engineering to build experiences that users keep, share, and pay for.
Why Choose K35 Limited?
We combine technical expertise with creative design to deliver mobile applications that drive business growth
Native & Cross-Platform
Expert development in iOS, Android, and hybrid frameworks including Flutter and React Native for maximum reach
User-Centric Design
Beautiful, intuitive interfaces that engage users and drive conversions. Every pixel purposefully designed
Performance First
Optimized apps that run smoothly across devices. We prioritize speed, reliability, and scalability
Security & Protection
Enterprise-level security with encryption and data protection. Your users' information is our priority
Our Services
Comprehensive mobile app solutions tailored to your business needs
Mobile App Development
+We create powerful native applications for iOS and Android platforms. Our team specializes in modern development practices, from concept to deployment. Whether you need a startup MVP or an enterprise solution, we deliver applications that users love to use.
- Native iOS and Android development
- App Store and Google Play optimization
- Beta testing and quality assurance
Cross-Platform Solutions
+Reach a wider audience with our cross-platform development expertise. We leverage frameworks like Flutter and React Native to create apps that work seamlessly across multiple devices and operating systems, reducing development time and costs.
- Flutter development services
- React Native applications
- Code sharing and unified codebase
UX/UI Design & Optimization
+Exceptional user experience is at the heart of every project. Our design team creates interfaces that are not only visually stunning but also intuitive and engaging. We conduct user research, create prototypes, and iterate based on real user feedback.
- User research and personas
- Interactive prototyping
- Usability testing and optimization
API Integration & Backend Development
+Robust backend infrastructure powers great apps. We integrate third-party APIs, build cloud-based solutions, and create scalable backends that grow with your business. Our expertise includes REST APIs, databases, and cloud platforms.
- API integration services
- Cloud infrastructure setup
- Database design and optimization
App Security & Data Protection
+Protecting user data is non-negotiable. We implement enterprise-grade security measures including encryption, secure authentication, and compliance with data protection regulations. Security is built in from the beginning, not added later.
- Data encryption and secure storage
- GDPR and compliance implementation
- Security audits and penetration testing
Brand Identity & Creative Design
+Your brand deserves a strong visual identity. From logo creation to comprehensive brand guidelines, we develop identities that resonate with your target audience. Consistent design across all platforms strengthens brand recognition and trust.
- Logo and brand identity design
- Brand guidelines development
- Visual storytelling and design systems
Featured Projects
Successful applications we've brought to life
E-Commerce Platform
A sophisticated shopping application with real-time inventory, secure payments, and personalized recommendations. Increased client sales by 45%.
Fitness & Wellness App
Health tracking application with wearable device integration, workout planning, and social features. Over 50,000 active users.
Social Network Solution
Feature-rich social platform with real-time messaging, location services, and content sharing. Built with scalability and engagement in focus.
Enterprise Management Suite
Comprehensive business management tool for scheduling, team collaboration, and reporting. Deployed across multiple Fortune 500 companies.
Technology Stack
We master the tools and frameworks powering modern app development
Mobile Frameworks
- Swift & Objective-C
- Kotlin & Java
- Flutter & Dart
- React Native
Backend & Databases
- Node.js & Express
- Firebase & Realtime DB
- PostgreSQL & MongoDB
- AWS & Google Cloud
Design & Prototyping
- Figma & Adobe XD
- Prototyping Tools
- User Research
- Design Systems
Quality Assurance
- Automated Testing
- Performance Testing
- Security Audits
- CI/CD Pipeline
Our Development Process
A proven methodology that ensures project success
Discovery & Planning
We begin by understanding your business goals, target audience, and technical requirements. Our team conducts thorough research and creates detailed project roadmaps.
Design & Prototyping
User-centered design comes first. We create wireframes, interactive prototypes, and design systems that guide development and ensure user satisfaction.
Agile Development
We build your app using agile methodologies with regular sprints, continuous integration, and frequent updates. Transparency and communication are key.
Testing & Launch
Rigorous testing ensures quality and performance. We prepare your app for App Store and Google Play submission, handling all technical requirements for smooth launch.
Ongoing Support
Your app's journey doesn't end at launch. We provide continuous support, updates, and optimization to keep your application performing at its best.
What Our Clients Say
Trusted by businesses of all sizes across the UK and beyond
"K35 Limited transformed our product vision into a stunning mobile app. Their attention to detail and user-focused approach was exceptional. Highly recommended!"
"Working with K35 Limited was a game-changer. Their team understood our requirements perfectly and delivered on time. The app exceeded our expectations."
"Professional, skilled, and genuinely invested in our success. K35 Limited doesn't just build apps, they build partnerships. Worth every penny."
Ready to Start Your Project?
Get in touch with our team. We'd love to hear about your app idea and discuss how we can help bring it to life.
Get in TouchContact Our Team
Contact Information
Address
32 Suffolk Road
DC Complex
Belfast, Northern Ireland
BT11 9PE
Phone
Business Hours
Monday - Friday: 9:00 AM - 6:00 PM
Saturday: 10:00 AM - 4:00 PM
Sunday: Closed