Kaikun Tech

Custom web studio · Vietnam · Japan

SEO-ready business websites, built with the best AI in Japan.

Landing page, e-commerce, business website with SEO + AI Search. Delivered in 5–14 days, transparent package from 5万円 (¥50,000).

Clients who trust Kaikun

AKIHOMEBAMOVINAKAIKUN REFORMAGENCY VISTUDIO JP+25 SHOP

Delivered work

Real projects, real clients.

Scroll through the sites Kaikun has shipped — each with its own brief, target and outcome. Click through to the case study or the live site.

View all projects

Bất động sản · 2025

Akihome

Bất động sản Nhật cho người Việt tại Kansai — bán, cho thuê, thi công nội thất.

Nông sản · E-commerce · 2024

Bamovina

Tinh hoa nông sản & măng tre Việt — thương mại điện tử + brand story.

Nội thất · Reform Nhật · 2024

Kaikun Reform

Studio sửa chữa và làm mới nhà cửa cho người Việt tại Kansai, Nhật Bản.

Reform · Nội thất Nhật · 2025

Ekken

Công ty reform tại Osaka — cải tạo nhà ở, căn hộ và mặt bằng thương mại chuẩn Nhật.

Mỹ phẩm · Beauty · 2025

B'Haku

Thương hiệu mỹ phẩm body whitening Nhật Bản — định vị «làm trắng từ tế bào».

Specialty Coffee · F&B · 2025

Humpback Whale Coffee

Specialty coffee roaster tại Munich — direct trade, story-driven, e-commerce song ngữ Anh–Đức.

Why you need a website right now

Every day without a proper website is a day you're losing customers to competitors.

81% of customers search online before buying. 67% check the company website before closing deals or signing contracts. Without a professional site, you've lost before the game even starts.

81%

Customers search online before they buy

Consumers in 2025 spend an average of 6 hours 38 minutes on the internet daily. When they need a product or service, the first move is an online search. If you're not on page one of the results, you don't exist.

24/7

A storefront that never closes

Physical shops open 8 hours a day. Your website is open 168 hours a week. Customers can browse at 2 AM, order during lunch, ask for quotes while travelling — you close deals even when you're not around.

67%

B2B clients check your site before signing

Corporate partners, investors, high-value clients — everyone Googles your company name before meeting. A sloppy, slow, or non-existent site signals "this company isn't serious."

Multiply your ad spend efficiency

Running Facebook Ads, Google Ads, TikTok without an optimised landing page = burning budget. A high-converting landing page can reduce cost-per-lead 3–5× compared to sending traffic to a fanpage or Zalo.

You don't need a website "just to have one." You need a site that works for you — attracting customers, building trust, closing deals — even while you sleep.

Website models for your business

Every package has a defined process, milestones and price. Zero hidden fees.

High-converting landing

One page to drive traffic and close. From 5万円.

E-commerce / shop

Cart, checkout and admin — fully packaged.

Corporate site

Company, services, multilingual, SEO-ready.

Industry-specific web

Real estate, interiors, spa, dental, study abroad, F&B.

See all services

Industry-specific designs

Every industry deserves a tailored site — Kaikun has shipped across 30+ verticals.

There's no "one beautiful template" that fits everyone. Real estate needs project listings. Spas need bookings. F&B needs visual menus. Kaikun designs for your industry's actual needs — not recycled templates.

  • Real estate

    Project listings, area-based filters, 360° galleries, online viewing requests. Optimised for local terms like "buy a house" or "apartment for rent."

  • Interiors & construction

    Real project portfolio, before/after gallery, instant quote calculator, direct designer consultations.

  • Spa & beauty

    Online booking, treatment pricing, before/after gallery, AI-suggested services by skin/hair/body type.

  • Dental & healthcare

    Doctor profiles, services with pricing, appointment booking, expertise blog to build trust.

  • F&B & cafe

    Visual menu with food photos, table reservations, Grab/ShopeeFood integration, space gallery, brand story.

  • Study abroad & education

    Course pages, consultation registration, experience blogs, successful student profiles, Viet–Eng–Jpn multilingual.

  • Fashion & e-commerce

    Product catalog with size/color variants, cart + checkout, Shopee/TikTok Shop inventory sync, vouchers and flash sales.

  • B2B services

    Capability showcase, detailed case studies, thought-leadership blog, segmented quote request forms.

  • Personal portfolios & freelance

    Personal intro, featured work, services + pricing, personal blog, booking form for collaborations.

Don't see your industry on the list? Kaikun's process isn't tied to a specific industry — drop a message on Zalo for a free 30-minute call so we can understand your needs before proposing a solution.

How we work

Four clear steps — you always know where you stand.

No "two weeks of silence then a surprise delivery." Each step has deliverables, sign-off, and revision rights. You see progress from day one to delivery day.

  1. 01

    Day 1–2

    Discovery & brief lock

    A 45-minute Zalo/Meet call with the founder. We talk product, target customer, competitors, business goal. After the call you receive: a written brief, proposed sitemap, fixed price, committed deadline. You sign off the brief — work begins.

  2. 02

    Day 3–7

    UI/UX design

    Unlike most studios that mock everything in Figma first, Kaikun builds a working UI demo directly on the live website. You preview it in your browser with the real fonts, colours, animations, and responsive behaviour. Approve as-is, or we refine the demo in place until it lands. No "the mockup looked great but the build feels different" gap.

  3. 03

    Day 7–12

    Build & optimise

    Coded in Next.js — the same framework Netflix, TikTok, and Hulu use. Sub-2-second load times. SEO baked into the code. Responsive across every device. Search Console, Zalo OA, and Messenger wired in. Demos shared daily.

  4. 04

    Day 13–14

    Handover & warranty

    A 60-minute handover call: admin tour, how to update posts/products, how to read analytics. You get the source code, admin credentials, and walkthrough videos. Lifetime technical warranty as long as you stay on Kaikun hosting.

Total timeline: 5–14 days depending on complexity. Exact milestones are written into the contract before you pay deposit.

Flat-rate pricing

Three transparent tiers — no add-ons, no surprise fees.

Price includes first-year hosting, .jp domain (year one), SSL, design, development, sample content, on-page SEO, and one month of post-launch support. You pay once.

Starter

For individuals, small shops, and freelancers who need to be online now

399$

one-time package

  • 1-page landing or 5-page website
  • Free .jp domain for the first year
  • 1.5 GB SSD hosting, high-speed
  • Kaikun standard template, custom color/logo
  • 10 articles or products pre-loaded
  • On-page SEO standard + mobile responsive
  • Zalo OA, hotline, Google Maps integration
  • Free lifetime SSL
  • 1 month of post-launch technical support

* No CMS included — ideal for fixed landing pages

Next-year renewal0.75万円/year (hosting + domain)

Talk about this plan
Most popular

Growth

For SMBs that want orders from Google

699$

one-time package

  • 10–20 page site, multi-category
  • 4 GB SSD hosting + .jp domain
  • Banner + Logo design (if you don't have one)
  • Sub-2-second load — guaranteed in writing
  • 1 domain email ([email protected])
  • Viet–Eng or Viet–Jpn bilingual
  • CMS — edit text, images, products, blog yourself
  • Content copy protection
  • Search Console integration — track keywords & search performance
  • Smart lead form, saves to Sheet
  • 3 months of post-launch technical support

Next-year renewal1.15万円/year (hosting + domain)

Talk about this plan

Sales

For shops and brands that want serious e-commerce + SEO

1099$

one-time package

  • Premium e-commerce / corporate site
  • 7 GB SSD hosting + .jp domain
  • Bonus SEO DR 30+ at handover
  • Premium plugins: Yoast SEO Premium, Wordfence
  • 5 SEO-ready articles pre-loaded
  • 15 domain emails for your team
  • Advanced CMS — editor role management
  • ~1 second load time
  • Full structured data schemas
  • AEO-optimised (shows on ChatGPT, Gemini)
  • 6 months of post-launch technical support

Next-year renewal1.7万円/year (hosting + domain)

Talk about this plan

Enterprise

For brands that want to dominate Google + AI Search in their niche

1899$

depends on project scope

  • Everything in the Sales plan
  • 100% custom UI/UX design — no template
  • 15 GB+ SSD hosting + global CDN
  • SEO across 50–100 industry keywords — TOP guarantee
  • 10–20 SEO content pieces/month (retainer)
  • Google Business setup + local Maps optimisation
  • Monthly TOP rank & traffic reports
  • Dedicated account manager — direct Slack/Zalo channel
  • CRM, ERP, payment gateway integrations on request
  • 99.9% uptime SLA — 12 months of support

* A 30-minute consultation is required to lock scope and pricing

Next-year renewalFrom 3万円/year + monthly SEO retainer

Talk about this plan
  • · Prices include VAT. Invoices on request.
  • · 50% deposit when the brief is locked — 50% on acceptance, before delivery.
  • · 100% refund within 14 days if you're unsatisfied for any reason.

Technical standards

Every Kaikun site ships with these 12 standards — not as "options."

No "this is an upgrade" or "pay extra for that." The 12 standards below are default on every package — even the cheapest 5万円 tier. This is how Kaikun defines "transparent flat pricing."

Why owners and small businesses pick Kaikun.

Not vague promises — exact numbers, exact deadlines.

avg. delivery days
5–14
starting flat landing scope
5万円
Google + ChatGPT + Gemini ready
AI
Founder talks to you directly
1-1

In 2026, people don't only Google anymore

They ask ChatGPT, Gemini, Perplexity. Does your site even show up?

Traditional SEO gets you to the top of Google. AEO (Answer Engine Optimization) gets you into the AI's answer. This is a customer channel that 95% of Vietnamese websites miss — because they don't know how.

Proof

This very Kaikun Tech site is cited by Google AI Overview for the term "Vietnam Japan web design studio" — you can test it on Google right now.

  1. 01

    Why SEO alone isn't enough

    ChatGPT has 800 million users. Google AI Overview answers 40% of queries directly — people don't even click anymore. If AI can't "understand" and "quote" your site, you're invisible to an entire new generation of customers.

  2. 02

    What AEO actually is

    It's how you write content + structure data (schema, FAQ, JSON-LD) so LLMs can recognise who you are, what you sell, where you are, and why you're trustworthy. When someone asks AI "what's a good web studio in HCMC," the AI can name you — if you've done AEO right.

  3. 03

    Kaikun ships AEO by default

    Every Kaikun site delivers with FAQPage schema, Organization schema, BreadcrumbList, and AI-friendly content structure. Not an "upgrade plan" — default even on the 5万円 tier.

Written guarantees

Eight commitments Kaikun signs into the contract — not "verbal promises."

Every guarantee below is written into your service contract. You have the right to demand compensation or a refund if Kaikun fails to deliver.

  • 100% refund within 14 days

    Unhappy for any reason — full refund, no questions asked, no fees deducted.

  • On-time or 20% off

    Miss the committed deadline (Kaikun's fault) — 20% off contract value, written into terms.

  • Lifetime technical warranty

    Any technical issue while you're on Kaikun hosting — fixed free 24/7, no surcharges.

  • Sub-2-second load times

    Google PageSpeed mobile score ≥ 85 at handover, guaranteed. Below that — Kaikun re-optimises free.

  • No hidden fees

    Contract price = final price. Every feature in the brief is included — never "that's an extra."

  • 100% source code handover

    After full payment, you receive complete source code. Want to switch hosting/provider — full rights to you.

  • Founder handles everything personally

    No sales handoff, no junior shuffle. Every call, every message — answered by the founder during business hours.

  • Client data confidentiality

    NDA signed before brief intake. Your documents, photos, source code — Kaikun never shares, never reuses.

Founder · Kaikun Tech

Founder-lead. No middlemen.

Kaikun Tech was founded in 2020 — operating between Vietnam and Kansai, Japan. You talk directly to the person building your site. No sales handoff. No junior shuffle.

Chat with the founder on Zalo

Founder · Kaikun Tech

What clients say.

Pulled from Zalo / Messenger after delivery.

Orders started rolling in the first week — exactly as promised, no hidden fees.

Khoa

Furniture shop owner, HCMC

The site shows up on Google and ChatGPT — international clients find us too.

Tuấn

Japan real estate, Kansai

Japanese SEO is hard, but tight Kansai-keyword work put us on page one in two months.

Phong

Real estate agent, Osaka

Service pages are clear; Nagoya corporate clients reach out without us running any ads.

Đức

IT consulting, Nishi-ku — Nagoya

Saitama clients can read the site in Vietnamese before calling — they trust us much faster.

Tài

Home reform, Omiya — Saitama

Sign-ups land straight in Zalo — Vietnamese students in Fukuoka enroll every week.

Minh

Driving school, Hakata — Fukuoka

Online class enrollments grew — Google ranks the site within three months of launch.

Linh

Online Japanese teacher, Aoba-ku — Sendai

The founder is direct, hits every deadline, and post-launch support is real.

Mai

Spa & beauty, Hanoi

Bookings come in every night through the site — we're no longer tied to Tabelog.

Hùng

Ramen shop, Shibuya — Tokyo

Salon bookings tripled — Vietnamese clients in Yokohama can find us easily now.

Trang

Beauty salon, Naka-ku — Yokohama

More Kyoto tour bookings than my old agency delivered — and it's just a one-time fee.

Lan

Tour guide, Higashiyama — Kyoto

The Vietnamese community in Sapporo found the store online — winter sales held steady.

Hương

Vietnamese grocery, Chuo-ku — Sapporo

Clear pricing, no hidden fees — Kobe clients tell us they value that transparency.

Cường

Cleaning service, Sannomiya — Kobe

An honest comparison

You have four options — Kaikun lays them side by side so you can choose.

We won't say "Kaikun is best." Each option fits a different need. The table below maps the trade-offs so you can decide with eyes open.

CriteriaDIY Wix / WordPressCheap studio < 4万円Kaikun TechBig agency
Entry costFree – 2万円/year2万円 – 4万円5万円 – 10万円 flat100万円 – 700万円+
Delivery time2–8 weeks (self-learn)2–4 weeks, often late5–14 days, committed2–6 months
SEO standardConfigure yourselfUsually none100% defaultSeparate package
AI Search optimisationNot supportedDon't know itDefaultDepends on team
Page load speedDepends on templateUsually > 5s< 2s, guaranteed< 3s
Who actually builds itYouJunior freelancer you don't knowThe founder, in-houseAccount → PM → Junior
Post-launch warrantyYour problemHard to reach againLifetimeBy SLA contract
Source code handoverN/ARarely100%Separate package
Best fit forTech-loving spare-timers"Just exists" sitesSMBs that want salesEnterprises, banks

If you run a shop, an SMB, or a personal business — Kaikun is the sweet spot of price, speed, quality, and post-launch support. If you need enterprise-grade compliance, go with a big agency.

Frequently asked questions.

The ten biggest things people ask before they start.

  • Landing pages: 5–7 days. E-commerce: 10–14 days. Multilingual corporate: 14–21 days. The exact milestone is locked before we start — if we miss it on our end, you get 20% off the contract.

Ready for a website that ships sales?

Message us on Zalo — quote and timeline in under 30 minutes.

Start a project.

Leave your details or message directly — we reply during business hours.