Tailored Design and Development. All under one roof.
Tailored Design and Development. All under one roof.
We craft exceptional Web3 & DeFi solutions for visionary entrepreneurs and start-ups in the crypto space. Our full-stack approach delivers secure, high-performance applications with stunning design.
Our Services
Comprehensive solutions tailored to your digital needs in the crypto and blockchain space
Web Development
Custom websites built with modern frameworks like Next.js, optimised for performance and SEO.
App Development
Scalable apps built with Node.js, reactive frameworks, and serverless backends.
UI/UX Design
Beautiful, intuitive interfaces designed with your users in mind.
AI Prompt Engineering
Expertly crafted prompts to guide LLMs for consistent, high-quality outputs across content, code, and automation tasks.
AI-Augmented Development
Accelerate your software delivery using AI-assisted code generation, validation, and refactoring workflows.
AI-Seeded Design & Graphics
Visual design powered by generative AI—creative concepts, layout proposals, and high-resolution assets informed by your brand.
Web3 & Blockchain
Smart contract development, wallet integration, and decentralised apps tailored for the blockchain ecosystem.
API Integration
Seamless integration with third-party services and bespoke API development.
Maintenance & Support
24/7 technical support and regular updates to keep your digital assets running smoothly.
Technologies We Use
Modern tools for modern solutions






How We Work
Our streamlined process delivers exceptional results with maximum efficiency
Discover
We begin with a discovery session to understand your project needs, goals, and timeline. This enables us to create a tailored development plan that aligns with your vision.
Start a Discovery sessionDevelop
Our team of experts builds your project with regular updates and transparent communication. We use modern technologies and best practices to ensure high-quality results.
Deliver
We deliver initial samples within 2–3 days, with subsequent requests completed within 48 hours. Our iterative approach ensures you are satisfied with the final product.
See our past workOur Work
Explore our portfolio of successful projects across web and blockchain applications.
WalletScrutiny
Collaborative project with the Bitcoin Design Community to redesign the WalletScrutiny brand and website.
- JavaScript
- HTML5
- SCSS
BTCPay Server
Clean, modern design for the BTCPay Server main landing page and Foundation website.
- HTML5
- CSS
- JavaScript
F18 Pay
Bitcoin, ETH and ERC-20 token payments processor built to run in serverless environments.
- JavaScript
# Hashboard
Web3 application enabling transparent operation and governance of the Zettahash DAO project.
- Vue.js
- JavaScript
Zettahash DAO
Zettahash website built in Webflow and designed to be processed in Node within a GitHub Pages environment.
- Webflow
dVote EVM
dVote's EVM Networks dashboard offers a comprehensive suite of tools designed to streamline and enhance decentralised governance for the blockchain ecosystem.
- Next.js
What Our Clients Say
Hear from the entrepreneurs and founders who have entrusted us with their digital vision
"Working with Flat 18 felt like having an in-house team. They were responsive, strategic, and nailed the design on the first try."
Pricing. Simple.
Transparent, value-based pricing for your digital projects
- Queued Tasks delivered in as little as 48hrs
- Unlimited Development Scopes
- Application staging
- Unlimited Revisions queue
- Monthly billing
- Pre-pay £2,995 every month
Commonly Asked Questions
Find answers to common questions about our services
Still Have Questions?
We're here to help with any additional questions about your specific project needs.
Chat With UsWhat is Availability?
We operate with limited active spaces per month, usually no more than 2 active clients per developer. This ensures you and your project get the attention required for success.
How much does it cost?
Our pricing starts at £37.50 per hour. For a typical project with around 80 development hours per month, this comes to approximately £3,000 per month. We offer discounts for longer commitments, with quarterly billing offering around 15% savings.
Why the subscription model?
Our subscription model ensures consistent, dedicated development time for your project. It allows us to plan resources effectively and offer better rates for longer commitments.
What if I need a different timeframe?
We're flexible and can accommodate different project timeframes. Contact us to discuss your specific needs and we'll find a solution that works for you.
How long will my project take to complete?
Project timelines vary depending on complexity. A typical website takes 4-8 weeks, while larger applications may take 3-6 months. We'll provide a detailed timeline during our initial consultation.
Do you work with teams?
Yes, we collaborate effectively with in-house teams and other contractors. Our experience in team environments helps ensure smooth integration with your existing workflow.
Let's Start Your Project
Tell us about your project and we'll get back to you within 24 hours
Let's Discuss Your Project
We're here to help turn your ideas into reality with our expertise in design and development.