WordPress web design agency for custom websites that are fast and built to last

We design and develop custom WordPress websites for small businesses, from one-page sites to full business websites, with a theme built just for you: a website that loads fast, ranks well on search engines and that you can update yourself. The first 3 months of hosting and maintenance are free.

Get a free quote
Open laptop on a wooden table next to a potted plant
Why it matters

Most websites are too slow for mobile

Most of your visitors arrive on mobile, often on an average connection. Yet fewer than half of websites pass Google's speed thresholds on mobile. A custom website, designed lean from the start, has a head start: it displays fast, keeps visitors and ranks better.

59% of worldwide web traffic comes from mobile
43% only of websites pass Google’s Core Web Vitals on mobile
2,652KB the weight of a median web page on desktop
40% of all websites run on WordPress

Sources: StatCounter, mobile share of worldwide web traffic (September 2026) · HTTP Archive, Web Almanac 2024 (performance) · HTTP Archive, Web Almanac 2024 (page weight) · W3Techs, WordPress usage (October 2026).

All included

What our WordPress website design services include

Everything a professional website needs, with no surprises on the quote.

Compare with market prices
  • A custom theme

    A WordPress theme developed for your website with our own tool, with no heavy page builder or off-the-shelf theme: each page only loads what it uses, and the design has no limits.

  • A design that fits your brand

    Desktop and mobile mockups in your colors, with two rounds of revisions before development starts.

  • Easy to update

    You edit your text, images and pages yourself, in simple blocks. Training and a user guide included.

  • SEO-ready

    Meta tags, structured data, sitemap, Search Console and Core Web Vitals: the technical SEO basics, set up from launch.

  • Responsive and accessible

    Mobile-first and readable for everyone: contrast, headings, keyboard navigation. A better user experience, everywhere.

  • Sustainable, at no extra cost

    Light, fast pages, with weight and speed measured before launch.

  • Hosted and protected

    Hosting with us, a domain in your name, HTTPS, backups and updates: 3 months free, then website maintenance with no contract.

  • Multilingual as an option

    English, French, Japanese: each language gets its own URLs and its own SEO.

We practice what we preach

Sustainable, and measured on our own website

Every website we build is designed lean, at no extra cost. Here is the result on our own website. For yours, it depends on what you want on it: a video at the top of the page or large galleries weigh more. We measure before launch and tell you what each choice weighs, to find the right balance.

  • Our website: 68 KB first load
  • Our website: A+ rating on Website Carbon
  • Yours: weight and speed measured before launch
  • Advice to go lighter without giving up what matters
shinseistudio.comMeasured
0.026 g of CO₂ per page view (A+)
Home page, first load
68 KB
Full visit of the home page
780 KB
Lighthouse score (performance)
100 / 100
Measured in September 2026. Our sustainable web design approach
How it works

Our website design and development process

  1. Free

    Call and quote

    Your goals, your pages, your timeline. Within 48 business hours, you get a detailed quote, line by line.

  2. First week

    Design

    The design of your home page and a page template, on desktop and mobile. Two rounds of revisions included.

  3. Next

    Development

    Your website takes shape on a staging address: you follow progress and approve it before launch.

  4. Launch day

    Go live

    Launch, speed measurements, a full backup handed over, then training to manage your website.

Pricing

Clear pricing for every website

Two types of website, two starting points, then maintenance that looks after your site. Every project gets a detailed quote, line by line, free and with no obligation.

Launch

One-page website

One clear, fast page to present a business, an event or a product.

From
$900excl. tax
  • Custom design, desktop and mobile
  • Up to 6 sections
  • Contact form
  • Optimized images and technical SEO
  • Launch and onboarding
  • Ready in 2 weeks
Choose one-page
Business websiteUp to 5 pages

Business website

A custom website to present your business and get found on Google.

From
$1,650excl. tax
  • Mockups of the home page and a page template
  • Up to 5 pages, more priced accordingly
  • Contact form
  • Core Web Vitals, meta tags, structured data
  • Sitemap and Search Console
  • 1-hour training and user guide
  • Ready in 3 to 4 weeks
Build my website
After launch

Peace of mind maintenance

Hosting and care for your website: first 3 months free, then no commitment.

From
$55excl. tax / month
  • Hosting included, servers in France or Asia
  • Tested updates with visual checks
  • Daily off-site backups, 90 days
  • Firewall, round-the-clock monitoring
  • Hack repair included
  • Monthly report
  • Billed yearly, price locked for 2 years
See maintenance
Prices exclude tax. Timelines start once we have your content (text, photos). Options such as extra pages, extra languages, a blog, copywriting or a low-impact version are priced in your quote. The first 3 months of hosting and maintenance are free; after that, maintenance is billed yearly, cancel anytime. Want to sell online? See our WooCommerce store offer, from $3,200. Get a quote
Already have a website?

Website redesign: we keep what works

Is your website outdated, slow or hard to update? We rebuild it on WordPress, carrying over your usable content, with 301 redirects to preserve your search rankings. If it’s only slow, an optimization may be enough: the audit is free.

FAQ

Frequently asked questions

Another question? Write to us, we reply within 48 business hours.

Ask a question

With us, a one-page website costs $900, a business website starts at $1,650 (up to 5 pages) and a WooCommerce store at $3,200, excluding tax. The first 3 months of hosting and maintenance are free, then maintenance costs $55 per month ($165 for a store), with no contract. To compare with the market, see our guide WordPress Website Cost in 2026.

About 2 weeks for a one-page website, 3 to 4 weeks for a business website and 6 to 8 weeks for a store, once your content is ready. You provide the text and photos, and we guide you on what each page needs; if you prefer, we write SEO-friendly copy for you (priced in the quote). The exact schedule is set in the quote.

Not with a well-built website. Each page is made of simple blocks: you change a text, an image or add a page without touching code and without breaking the layout. Training and a user guide are included. For bigger changes, we help by the hour, quoted upfront.

These page builders load a lot of code on every page, even when it isn’t used: the website gets heavier, slower and more fragile with updates. We build our websites with our own tool, the Shinsei Builder: simple blocks to edit, and each page only sends what it uses. We also keep WordPress plugins to a minimum: each one adds code and a possible security hole.

Look at their own website first: is it fast, clear and well ranked? Ask who owns the website and the domain at the end, what the quote includes (hosting, maintenance, training), and whether they use a heavy page builder. A good agency shows measured results, not promises.

The technical basics are set up from launch: speed, meta tags, structured data, sitemap, Search Console. Rankings then depend on your content and your competition: nobody can promise first place, but a fast, well-built website starts with a head start. An optional blog helps bring in visitors over time.

No, and the website is yours: the website, the theme and the content belong to you once the final payment is made, the domain is in your name, and you get a full backup at launch. Every new website includes the first 3 months of hosting and maintenance free. After that, you choose: continue with no contract and a price guaranteed for 2 years, or stop, and we move your website to the host of your choice for free. Details on our WordPress maintenance page.

Yes, it’s our specialty: English, French and Japanese. Each language gets its own URLs and its own SEO. We translate with translation tools; a review by a native speaker is up to you.

Contact

Let’s talk about your new website

Three quick questions to understand your needs. We get back to you within 48 business hours with a first proposal.

  • Free quote, no obligation
  • One point of contact
  • Reply within 48 business hours
What is your project?

What budget and timeline?
Budget
Timeline

How can we reach you?

Thank you, your request has been sent.

We will get back to you within 48 business hours.

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Downloaded: what your browser actually received as you scrolled; anything served from cache doesn't count. Full page: every image, for a first-time visitor. CO₂: Sustainable Web Design model v3 (0.81 kWh/GB, 442 g CO₂e/kWh). Median: HTTP Archive, Web Almanac 2024.