From concept to production in weeks. We build lightning-fast web applications, iOS/Android mobile apps, and scalable online storefronts with fixed transparent pricing and 100% source code ownership.
Trusted by companies and startups across Spain, Europe and Asia (ES · EN · 中文).
Blazing-fast marketing websites and web applications built with Next.js & React, engineered to rank at the top of Google and convert visitors into paying clients.
01 — The studio
We are a Spain-based engineering team delivering digital products for ambitious businesses. We communicate fluently in Spanish, English, and Chinese, ensuring your vision is executed without friction or misinterpretation.
No junior churn, no endless agency layers. You collaborate directly with senior engineers and product designers who own the build from day one through long-term scaling.
02 — What we do
From high-converting websites and mobile applications to scalable e-commerce storefronts and custom business software.
High-speed marketing websites, web applications, and headless platforms built on Next.js and React, engineered for SEO visibility and top Core Web Vitals.
Native and cross-platform iOS & Android mobile applications built with React Native, delivering silky-smooth performance and seamless store deployment.
Modern online storefronts built with Shopify, WooCommerce, or headless architectures, optimized for multi-currency checkout, inventory sync, and global conversion.
Internal business tools, operational dashboards, and robust REST/GraphQL APIs that automate manual workflows and connect your systems.
03 — Technologies
We select battle-tested technologies that ensure performance, search engine crawlability, security, and effortless scalability.
04 — Selected work
A snapshot of recent digital products built for clients across Spain and internationally.
An operations portal unifying fleet tracking, inventory sync, and orders into one responsive dashboard, reducing daily reporting from hours to minutes.
A multilingual store with localized checkout and multi-currency pricing, expanding commercial reach across Spain and international markets.
An offline-first mobile app allowing field technicians to log work orders, collect client signatures, and sync seamlessly once reconnected.
05 — Why OKCODE
Tangible advantages that protect your investment long after launch.
Local timezone availability in Spain and Europe, with native multilingual delivery in Spanish, English, and Chinese.
You collaborate directly with senior developers who code your application. No account managers playing telephone.
Clear milestones, upfront budgets, and weekly progress demos. No hidden fees, no black-box development.
You own all source code, design files, and repositories from day one. Clean architecture built to scale.
We build every website with Core Web Vitals, semantic schema markup, and search crawler visibility as first-class priorities.
We provide ongoing maintenance, feature expansion, and security updates so your product continues to evolve.
06 — How we work
Five structured stages from initial idea to live production.
We analyze your business goals, target audience, and functional specifications to define clear product objectives.
A transparent fixed-price estimate with itemized deliverables, timelines, and technical architecture.
Interactive wireframes and high-fidelity prototypes tested for optimal conversion and user experience.
Sprint-based development with weekly staging demos, automated tests, accessibility audits, and performance checks.
Smooth production deployment, search engine indexing, analytics setup, and ongoing technical support.
07 — FAQ
Clear answers to the questions clients ask before kicking off a project.
Project costs depend on scope, complexity, and specific requirements. Landing pages and marketing websites typically start around €1,500–€3,500, comprehensive e-commerce stores range from €3,000–€7,000, and custom mobile apps or software platforms start from €5,000. We provide fixed, transparent estimates with no unexpected overages.
A standard marketing website or high-converting landing page is typically delivered in 2 to 4 weeks. Full e-commerce storefronts usually take 4 to 8 weeks, while custom mobile apps (iOS & Android) or SaaS platforms take between 6 to 12 weeks depending on feature scope.
We use modern, industry-standard technologies: Next.js, React, TypeScript, and Tailwind CSS for web development; React Native for iOS and Android mobile apps; Shopify and WooCommerce for e-commerce; and Node.js, PostgreSQL, and REST/GraphQL APIs for backends.
Yes, absolutely. You retain 100% ownership of the source code, design assets, databases, and intellectual property. We provide full repository access (GitHub/GitLab) upon completion without vendor lock-in.
Yes. We offer flexible ongoing maintenance plans covering server monitoring, security updates, feature improvements, and technical SEO optimizations (Core Web Vitals, Schema markup, search ranking enhancements).
Simply send us a message using the contact form below or reach out via email/WhatsApp. We will schedule a brief discovery call within 24–48 hours, understand your requirements, and provide a clear, no-obligation proposal.
08 — Contact
Tell us about your project, timeline, and goals. We respond within two business days — usually much faster.
