Updated: Mar 27, 2026
How to Choose a Web Development Agency in 2026 — 10-Point Checklist
Which web agency should you choose? A 10-point checklist to evaluate agencies before signing, with market pricing and red flags to watch for.
"Which web development agency should I hire?" This is the most common question Thai business owners ask before investing in a website. With hundreds of agencies in Thailand — from freelancers charging a few thousand baht to full-service agencies charging six figures — choosing the right one can be overwhelming. Cheap doesn't mean good value, and expensive doesn't guarantee quality. This 10-point checklist will help you evaluate web development agencies with confidence, complete with real market pricing for 2026.
1. Check Real Portfolio — Not Just Pretty Templates
The first thing to check is the agency's portfolio, but don't just look at whether it's pretty. Verify these three things:
- 1.Are the portfolio sites still live? Many agencies showcase work from clients who've moved on
- 2.Is it custom work or just a purchased template with a name swap? Check via BuiltWith.com or view the source code
- 3.Do the portfolio sites load fast? Run them through PageSpeed Insights — if their own work scores poorly, yours will too
2. Evaluate Their Technology Stack
The technology used to build your website directly impacts Performance, SEO, and long-term maintenance costs. In 2026, the three main technology groups are:
| Technology | Pros | Cons | Best For |
|---|---|---|---|
| WordPress | Cheap, many plugins | Slow, security-prone, frequent updates | Low budget, simple sites |
| Custom Framework (Next.js, React, Vue) | 3x faster, better SEO, more secure | Higher upfront cost | Serious businesses, budget > $900 |
| Website Builder (Wix, Squarespace) | Easiest to use | Very limited, poor SEO | Testing only, not for real businesses |
💡If your budget exceeds 30,000 THB (~$900), choose a Custom Framework over WordPress for better long-term value. Read more: Next.js vs WordPress — detailed comparison
3. Market Pricing for Web Development in Thailand 2026
Web development pricing in Thailand 2026 by type:
| Website Type | Price (THB) | Price (USD) | Timeline |
|---|---|---|---|
| Corporate Website | 25,000–80,000 | $700–$2,300 | 3–6 weeks |
| Restaurant/Cafe | 20,000–50,000 | $570–$1,400 | 2–4 weeks |
| E-commerce | 40,000–150,000 | $1,100–$4,300 | 4–8 weeks |
| Clinic/Healthcare | 35,000–100,000 | $1,000–$2,900 | 3–6 weeks |
| Real Estate | 50,000–200,000 | $1,400–$5,700 | 4–8 weeks |
| Landing Page | 8,000–25,000 | $230–$700 | 1–2 weeks |
⚠️If an agency quotes significantly below these ranges, be cautious — it's likely a template, not custom work
4. Ask About SEO From Day One
A beautiful website that nobody can find on Google is money wasted. A good web agency must deliver:
- •On-page SEO basics — Title Tags, Meta Descriptions, Heading Structure, Image Alt Text, Sitemap.xml
- •Core Web Vitals compliance — LCP ≤ 2.5s, INP ≤ 200ms, CLS ≤ 0.1
- •Schema.org Structured Data — Organization, BreadcrumbList, FAQPage
- •Mobile-First design — Google uses the mobile version for ranking
💡Key question to ask: "Will the website pass Core Web Vitals?" If the agency doesn't know what that means, think twice. Read more: 10 ways to speed up your website and pass Core Web Vitals
5. Contracts and Ownership
This is critical but often overlooked:
- •Who owns the source code? Some agencies retain ownership — if you leave, you lose your site. Make sure the code is yours
- •Whose name is the domain under? It must be your business name, not the agency's
- •Where is hosting? Know where it's hosted, whether you can migrate, and what happens if the agency closes
- •What are monthly/annual maintenance costs? Some agencies offer cheap builds but charge high monthly fees. Get all costs upfront
6. Evaluate Their Process
Agencies with clear processes deliver on time and on spec. A standard process should include:
- 1.Discovery — requirements gathering, business analysis
- 2.Wireframe/Design — layout design for approval before coding
- 3.Development — actual website build
- 4.Review & Revision — client inspection and corrections
- 5.Launch & Handover — go-live, training, handover
⚠️If an agency promises delivery in 3 days without this process, be cautious — it's likely a template with your logo swapped in
7. After-Launch Support
A website isn't a one-time project. Questions to ask:
- •Is there a warranty period? Standard is 1–3 months of free bug fixes
- •How are minor content changes billed?
- •Is there an SLA? If the site goes down, how quickly will they respond?
- •Do they handle security patches? Especially critical for WordPress
- •Is there automatic backup? At minimum, weekly backups should be standard
8. Verify Reviews and Testimonials
Don't trust reviews on the agency's own website alone. Check these sources:
- •Google Reviews — search the agency name on Google Maps
- •Facebook Page — look at real comments and reviews
- •Ask for direct references — confident agencies will provide contact details of past clients
- •Ask in Facebook groups — Thai business groups like "SME Thailand" often have real experience sharing
9. Red Flags to Watch For
Avoid agencies that show these warning signs:
- •Have no portfolio or only template-based work — indicates no real experience
- •Quote suspiciously low prices (e.g., e-commerce site for 5,000 THB)
- •Force you to use their hosting with no migration option — vendor lock-in
- •Won't disclose their technology stack — may be using free builders and charging custom prices
- •Require 100% payment upfront — standard is 50/50
- •Have no written contract — this creates risk in every scenario
10. Compare at Least 3 Agencies
Never choose from just one option. Request quotations from at least 3 agencies and compare:
- •Price vs. scope — don't compare price alone
- •Technology used — WordPress, Next.js, Wix produce very different results
- •Delivery timeline — too fast likely means templates, too slow may mean they're overloaded
- •Post-delivery terms — maintenance costs, warranty, SLA
- •Industry expertise — agencies with experience in your specific industry will understand your needs better
Summary — Your Web Agency Selection Checklist
Choosing the right web development agency from the start saves both money and time in the long run. The 10 checkpoints:
- 1.Live portfolio with real projects
- 2.Appropriate technology stack
- 3.Pricing within market range
- 4.Complete SEO basics included
- 5.Clear contract with code/domain ownership
- 6.Defined work process
- 7.After-launch support plan
- 8.Verified client reviews
- 9.No red flags
- 10.Compared at least 3 options
📋If you'd like a free consultation, CherCode is happy to advise — no obligation to use our services
Frequently Asked Questions
รับทำเว็บไซต์ ราคาเท่าไหร่?
ราคารับทำเว็บไซต์ในไทยปี 2026 เริ่มต้นที่ 8,000 บาทสำหรับ Landing Page ไปจนถึง 200,000 บาทสำหรับเว็บอสังหาริมทรัพย์ เว็บไซต์บริษัททั่วไปอยู่ที่ 25,000–80,000 บาท ราคาขึ้นอยู่กับเทคโนโลยี ความซับซ้อน และฟีเจอร์ที่ต้องการ
WordPress กับ Next.js อะไรดีกว่า?
Next.js โหลดเร็วกว่า WordPress ถึง 3 เท่า มี SEO ที่ดีกว่า และปลอดภัยกว่า แต่ราคาสูงกว่า ถ้างบเกิน 30,000 บาท แนะนำ Custom Framework เพราะคุ้มค่ากว่าในระยะยาว
เว็บไซต์ควรผ่าน Core Web Vitals ไหม?
ควรอย่างยิ่ง Google ใช้ Core Web Vitals เป็นปัจจัยจัดอันดับ ค่ามาตรฐานคือ LCP ≤ 2.5 วินาที, INP ≤ 200ms, CLS ≤ 0.1 ถ้าบริษัทรับทำเว็บไม่รู้จัก Core Web Vitals ควรพิจารณาใหม่
Source Code ของเว็บไซต์ควรเป็นของใคร?
Source Code ควรเป็นของลูกค้า (เจ้าของธุรกิจ) ไม่ใช่ของบริษัทรับทำเว็บ ต้องระบุในสัญญาให้ชัดเจนว่าเมื่อส่งมอบแล้ว Code เป็นกรรมสิทธิ์ของลูกค้า รวมถึง Domain ก็ต้องจดในชื่อธุรกิจของคุณ
Cher — CherCode
Full-Stack Developer & Founder
Software developer with 5+ years of experience in Web Development, AI Integration, and Automation. Specializing in Next.js, React, n8n, and LLM Integration. Founder of CherCode, building systems for Thai businesses.
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