How much does a custom website cost?

Custom websites and business platforms start from £200. Final pricing depends on pages, features, and integrations. We confirm a clear package before work begins.

Do I own the website?

Yes. You own the code and the site. There is no forever platform lock-in or monthly builder subscription required to keep your website online.

How long does a build take?

Most brochure and booking sites launch in a few weeks once content and feedback are ready. Larger systems take longer. We share a timeline with your quote.

What technology do you use?

We build with modern web standards, typically Next.js and TypeScript, so your site is fast, secure, and easy to maintain or extend later.

BUILTFORBUSINESS.MADETOLAST.

We build technology to innovate industries.Onmain builds what your brand needs to grow.

Photography studio

Custom websites and systems for UK businesses.

5.0 / 103+

Google reviews

Annemie Bester - Stuck in London with major software issues, Andrei collected my laptop promptly from my...

Nino M - Andrei, impeccable repair. Very professional and quick turnaround. Would highly recomme...

James T - Onmain built our business website from scratch. Clean design, fast loading, and they ex...

Sarah K - Excellent web development service. Our booking system works flawlessly and the team was...

Michael R - Professional, knowledgeable, and efficient. Fixed my laptop issues quickly and gave hon...

Priya S - Our new website went live in under two weeks. Modern stack, mobile-friendly, and we own...

Annemie Bester - Stuck in London with major software issues, Andrei collected my laptop promptly from my...

Nino M - Andrei, impeccable repair. Very professional and quick turnaround. Would highly recomme...

James T - Onmain built our business website from scratch. Clean design, fast loading, and they ex...

Sarah K - Excellent web development service. Our booking system works flawlessly and the team was...

Michael R - Professional, knowledgeable, and efficient. Fixed my laptop issues quickly and gave hon...

Priya S - Our new website went live in under two weeks. Modern stack, mobile-friendly, and we own...

Onmain

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Together

Based in the fast-growing city of London.

BuildingWeb

We learn your workflow, then build custom-coded websites, web applications, and business platforms from scratch.

PoweringAI

We craft intelligent tools that are clear, connected, and built to last, starting with MainSearch AI.

MaintainingSystems

We simplify the complex: device diagnostics, repairs, and IT maintenance for businesses that need reliable support.

Social

Refer us to a business that needsa website and win a£50 gift card

Unlimited referrals, win unlimited gift cards

The business needs to put down a deposit for you to win the gift card

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020 3640 8128 support@onmain.co.uk

Website packages

Our packages offer smart websites with care towards your finances

Split the bill in 2 or 3 payments.

We build it for you. Zero Wix setup, zero DIY

Launch package

£80 paid now
£80 next month
£160 total

Get online without touching Wix

Up to 5 pages
Header, footer, and pricing section
Contact form
Mobile responsive layout

You own it. No forever platform subscription

Growth package

£125 now
£125 in month two
£125 in month three
£375 total

Looks professional, works for leads

Everything in Launch
Up to 10 pages
Custom testimonials section
Advanced animations

Pay half now, the rest in 1 month. Or split between 3 months

Business package

£250 now
£250 in month two
£250 in month three
£750 total

Built for customers, not just presence

Everything in Growth
Booking and enquiry workflows
Stronger branding and layout polish
CMS for self-editing later

Custom package

3 split payments
£900+ total

Scale beyond packages

Everything in Business
Custom workflows and integrations
Multi-page platforms and dashboards
CMS tailored to your operations

Choose a plan in the cards below.

Website packages

Popular

Launch

Get online without touching Wix

£80

paid now

next month

£160 total

Up to 5 pages
Header, footer, and pricing section
Contact form
Mobile responsive layout
Basic SEO (titles, meta, sitemap)
Image gallery and review section

Growth

Looks professional, works for leads

£125

now

inAugust

inSeptember

£375 total

Everything in Launch
Up to 10 pages
Custom testimonials section
Advanced animations
Google Maps embed
Blog or news section

Business

Built for customers, not just presence

£250

now

inAugust

inSeptember

£750 total

Everything in Growth
Booking and enquiry workflows
Stronger branding and layout polish
CMS for self-editing later
Analytics and conversion tracking
Integrations (Calendly, WhatsApp, CRM)

Custom

Scale beyond packages

3 split payments

£900+ total

Everything in Business
Custom workflows and integrations
Multi-page platforms and dashboards
CMS tailored to your operations
Performance and SEO optimisation
Dedicated scoping and delivery plan

Prices shown are total project costs in GBP. Split payments are available on selected packages. After your plan is paid in full, you own the website. Ongoing costs are typically limited to your domain (~£10/year) and hosting if applicable.

Featured Work

Photography studio demo

Fine-art photography site with scroll storytelling and session booking.

GSAP · Scroll storytelling · Booking

Specialty coffee demo

Cafe brand site with smooth scrolling and product storytelling.

GSAP · Lenis · Swiper

Beauty salon demo

Editorial salon site built for bookings and treatment discovery.

GSAP · Editorial scroll · Booking

Restaurant demo

Restaurant presence site focused on atmosphere, menu, and contact.

Next.js · TypeScript · React

View website packages

Website FAQ

Common questions about custom websites from Onmain Systems in London.

How much does a custom website cost?: Custom websites and business platforms start from £200. Final pricing depends on pages, features, and integrations. We confirm a clear package before work begins.
Do I own the website?: Yes. You own the code and the site. There is no forever platform lock-in or monthly builder subscription required to keep your website online.
How long does a build take?: Most brochure and booking sites launch in a few weeks once content and feedback are ready. Larger systems take longer. We share a timeline with your quote.
What technology do you use?: We build with modern web standards, typically Next.js and TypeScript, so your site is fast, secure, and easy to maintain or extend later.

MainSearch AI

From inspirationto connection

A new way to find the business you need - AI-powered to connect clients with UK service providers.

Starting with accurate pricing quotations for Onmain Systems.

Find out more→

Custom websites and systems for UK businesses.