Web design & development in Bangkok.
We design and build custom websites and web apps for brands and startups, fast to ship, built to last, and ready to rank on Google. You talk directly to the people coding it.
Custom design
A bespoke, on-brand design in Figma · no templates, no compromise.
Built to last
Next.js / TypeScript, clean code, fast and easy to maintain.
SEO-ready
Clean markup, fast load, metadata and structured data from day one.
CMS & handover
Edit content yourself (Sanity / Payload). You own the code, fully.
How it works
Call
30 minutes to scope goals, pages and budget. You get a clear costed proposal.
Design
A custom Figma design you approve before a line of code is written.
Build
Clean Next.js code, progress visible every week on a staging URL.
Launch
SEO-ready handover. We can drive the traffic next, same team.

88finder · A visa platform we designed, built and grew with SEO.
See all work →Why Siam&co
Three partners, zero middlemen
You talk to the people designing and coding · no account managers.
Bangkok + Paris
We cover Asia and European hours, with a daily overlap.
Build + grow
We can also drive traffic after launch · SEO and Google / Meta ads.
Web design, FAQ
How much does a website cost in Bangkok?+
It depends on scope, number of pages, features and design depth. We tailor it to your goals and budget, and send a clear costed proposal after a short call. No surprises.
How long does it take?+
A marketing site is typically 4–8 weeks; a larger site with CMS and custom features 8–12 weeks. You see progress weekly on a staging URL.
Do I own the website and the code?+
Yes, fully. We transfer the source code, design files and credentials. Everything you paid for is yours.
Will the site be good for SEO?+
Yes, fast load, clean semantic markup, metadata, sitemap and structured data are built in. We also offer ongoing SEO if you want to rank faster.