From Idea to Launch Full‑Stack Teams for Web3 and Beyond
Beautiful Products.
BulletproofBuilds.
We help founders launch proper products – from MVPs to full platforms – fast and without the faff.
Secure, speedy and stunning. Let’s bring your idea to life.
Our Services
Everything you need to build and scale web, app and blockchain projects
Web Development
Bespoke sites built with modern frameworks like Next.js, tuned for speed and search.
App Development
Scalable apps crafted with Node.js, reactive frameworks and serverless back-ends.
UI/UX Design
Clean, intuitive interfaces shaped around your users.
AI Prompt Engineering
Expert prompts for LLMs to deliver consistent, high-quality content, code and automations.
AI-Augmented Development
Speed up delivery with AI-assisted code generation, reviews and refactors.
AI-Seeded Design & Graphics
Generative AI to spark visuals, layouts and high-res assets guided by your brand.
Web3 & Blockchain
Smart contracts, wallet integrations and decentralised apps built for the blockchain world.
API Integration
Seamless integrations with third‑party services and custom APIs.
Maintenance & Support
Ongoing support and updates so your digital assets keep ticking over.
Tools We Trust
Best-in-class tech for every build
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How We Work
Our no-fuss process keeps quality high and momentum strong
Discover
Kick off with a quick discovery chat to map out your goals and timeline. We’ll craft a plan that fits your vision.
Book a discovery chatDevelop
We build in the open with regular updates and clear comms, using modern tech and best practice to keep quality high.
Deliver
Expect first samples in 2–3 days and follow-ups inside 48 hours. Iteration keeps things on track until you’re thrilled with the result.
See our past workOur Work
Take a peek at some of the sites and apps we've shipped across web and blockchain.
Archimedes FinanceDemo version
Secure Asset Tokenization Platform. Transform real-world assets into digital tokens with our secure, transparent blockchain infrastructure. Designed for institutional investors and financial professionals. View Project
- Vue JS
- Node.js
- PostgreSQL
Honey PayDemo version
Instant settlement, near-zero fees. ✓Free to use payment framework ✓Non-Custodial ✓Built on BerachainView Project
- Next.js
WalletScrutinyCurrent version
Collaborative project with the Bitcoin Design Community to redesign the WalletScrutiny brand and website.View Project
- JavaScript
- HTML5
- SCSS
BTCPay ServerLive
Clean, modern design for the BTCPay Server main landing page and Foundation website.View Project
- HTML5
- CSS
- JavaScript
F18 PayLive
Bitcoin, ETH and ERC-20 token payments processor built to run in serverless environments.View Project
- JavaScript
# HashboardLive
Web3 application enabling transparent operation and governance of the Zettahash DAO project.View Project
- Vue.js
- JavaScript
Zettahash DAOLive
Zettahash website built in Webflow and designed to be processed in Node within a GitHub Pages environment.View Project
- Webflow
dVote EVMDemo
dVote's EVM Networks dashboard offers a comprehensive suite of tools designed to streamline and enhance decentralised governance for the blockchain ecosystem.View Project
- Next.js
(yes, really)
What Our Clients Say
Hear from founders who’ve trusted 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.
Flat 18 rebuilt our web app from scratch and the performance boost was immediate. Page loads are faster, UX is cleaner, and our team can finally move fast again.
They took our outdated site and gave it a clean, modern look without losing what made our brand special. The new site is performing better across every metric.
Flat 18 guided us through the Web3 space like pros. Their dashboard design is sharp, intuitive, and fully integrated with our smart contracts.
We’ve worked with bigger agencies that didn’t deliver half as much value. Flat 18 was fast, focused, and genuinely cared about the outcome.
Pricing. Simple.
Straightforward pricing built for growing ideas
- Queued tasks turned around in as little as 48 hours
- Unlimited development scopes
- Application staging included
- Unlimited revision queue
- Monthly billing
- Pre-pay £2,995 each month
Frequently Asked Questions
Answers to the bits we get asked the most
Still have questions?
We're here to help with anything else you'd like to know about your project.
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.
Tell Us About Your Project
Jump on live chat or fill in the form — we'll get back within a day.
Let's chat about your project
We're here to turn your ideas into reality with our design and development know-how.