SaaS products
Multi-tenant apps with sign-up, teams, billing and an admin area.
Web apps built end to end by one senior team.
SaaS products, customer portals and internal tools, from database to interface. One team, one fixed price and a live demo every Friday.
From £15,000
Why it matters.
Splitting a product between a design agency, a frontend freelancer and a backend contractor means three sets of meetings, three invoices and a lot of finger-pointing when something breaks.
We build the whole thing with one senior team: product design, database, API, interface and deployment. You get one point of contact, one fixed price and a staging link you can try every week.
Whether you're a first-time founder preparing for an investor demo or an established business replacing a spreadsheet that runs the company, we'll help you decide what to build first and what can wait.
What we do.
Everything you need, from the first design to launch and beyond.
MVPs for founders
The smallest product that proves your idea, launched in 6 to 10 weeks.
Internal tools
Replace the spreadsheets and email chains that slow your team down.
Customer portals
Let customers book, pay, track orders and manage their account online.
Subscriptions and billing
Stripe plans, trials, invoices and dunning handled properly.
Modernising legacy systems
Rebuild an ageing system step by step without stopping the business.
What you get.
The difference a senior team makes.
One team end to end
Design, backend, frontend and hosting, with one person accountable.
Fixed price
Agreed after discovery, so the budget doesn't creep sprint by sprint.
Investor-ready code
Typed, tested and documented, and it survives technical due diligence.
Built to grow
Architecture that handles your first hundred customers and your first hundred thousand.
Tools we use.
Proven technology that will still be supported in five years.
- Next.jsFrontend
- ReactFrontend
- TypeScriptLanguage
- Node.jsBackend
- PostgreSQLDatabase
- StripePayments
- VercelHosting
- AWSCloud
How it runs.
Five steps, a fixed price and a demo every week.
Discovery
A workshop in London or on video to agree users, must-haves and what can wait. You leave with a fixed quote.
Typical length1 week
Your time2 to 3 hours
What you get
- Product brief
- Fixed quote and timeline
- Technical plan
Related work.
Recent full-stack development projects for London businesses.
Your project could be next.
Tell us what you're planning and get a fixed estimate within one working day.
Projects and pricing.
What clients most often build with us, and where prices start.
Typical projects
What clients most often ask us to build.
- SaaS MVPs for founders
- Booking and scheduling platforms
- Marketplaces
- Replacing spreadsheet workflows
- Customer and partner portals
- Internal dashboards and reporting
Starting price
from£15,000
A focused MVP or internal tool. Your fixed quote follows discovery.
Questions, answered.
Can't find what you need? We reply within two working hours.
hello@pixarbyte.co.ukor call +44 20 0000 0000
How long does an MVP take?
Most MVPs launch in 6 to 10 weeks. We'll help you cut the first version down to what proves your idea, then plan what comes next.
Do we own the code?
Yes, from day one. Our contract assigns all intellectual property to you, and the code lives in your own GitHub and cloud accounts.
I'm not technical. Is that a problem?
Not at all. Many of our clients are first-time founders. We explain every decision in plain English and send a short written update every Friday.
What happens if the scope changes?
Priorities change, and that's fine. We'll show you the impact on time and cost before anything changes, and you decide.
Can you work alongside our in-house developers?
Yes. We can build the whole product or join your team for a specific part, following your code standards and tools.
What does it cost to run after launch?
Hosting for a typical MVP is £30 to £150 a month. Ongoing maintenance plans start after the 30 days of support included with every project.
“Every decision was explained in plain English. As a non-technical founder, that mattered most.”
Sara MalikFounder, Stackly
Ready to start your full-stack development project?
Tell us what you're planning. You'll get a clear estimate and a plan within one working day, free and with no obligation.
hello@pixarbyte.co.ukReplies within 2 working hours
+44 20 0000 0000Mon to Fri, 9am to 6pm
London, United KingdomMeetings by appointment