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Custom business system development

Custom Software & Business System Development

The right system for your business isn't sold anywhere, so we build it.

HR · Accounting · Booking · Marketplace · Auctions · Dashboards

Every line written for you. No templates.

Your system, built on world-class technology

Google Cloud
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Microsoft Azure
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Meta for Business
LINE Developers
OpenAI
Anthropic

Tired of off-the-shelf software that never quite fits your organization?

People bend to the system, not the other way around

Features miss your real workflow, so the team reshapes how it works just to fit the tool, and ends up slower.

Subscription grows with headcount, forever

More people, more seats, bigger bills, and you never truly own the system or the data.

The feature you need? The system won't allow it

Locked features, no small tweaks, no API connection to what your organization already runs.

Plenty of features you never use, missing the one you do

Cluttered screens full of extras, while the specialized function your business needs isn't there.

Unlock every limit with custom software built around your workflow, 100%.

  • No per-user monthly fees
  • Unlimited customization
  • Own the system and the data, 100%

Wherever Your Business Gets Stuck, We Build the Fix

No tech jargon needed. Just tell us the problem, and we'll develop software that solves exactly that.

Don't see yours? Good, because one-of-a-kind problems are exactly why clients come to us.

Free consult with the dev teamCall 088-983-9386

Straight Talk on Price: No Surprises Later

From

฿249,000

From 60–90 days

(excl. 7% VAT)

What's included

  • Requirement analysis (BA) + SRS document
  • UX/UI design
  • Development & testing
  • Training until your team is fluent
  • After-launch support

What's not

For full transparency: annual server/domain fees, and features outside the agreed SRS, always quoted first and never sprung on you.

Pay per milestone

No lump sum: see working software first, then pay the next installment.

Free Estimate & Consultation

Every system is different; so is its price. Tell us first for a free estimate.
Too busy for forms? Just LINE us.

Don't Just Take Our Word, See Systems Clients Use Every Day

Every case below hired us to develop their system, and all are still running today. Click in for the full story.

Big Investment? You Deserve to See Every Step

We get it: hiring a team you've never worked with is scary. So every step has documents, deadlines, and visible progress. No guessing, no chasing.

  1. Requirements (BA)

    We start by listening, not with a rushed quote.

  2. Requirement Document

    Everything agreed, in writing: clear scope, clear price.

  3. Prototype

    See it before any code, so now's the free-and-easy time for changes.

  4. Development

    Every line from scratch, with regular show-and-tell.

  5. Testing

    Together, until everyone says "yes, this is it."

  6. Training

    Until your team is fluent; manual included.

  7. After-launch Support

    We don't vanish; anything breaks, ping us.

Deciding Where to Get Software Built? Let's Compare Honestly

FreelancerAnnual SaaS Custom development company (us)
PriceCheap to start, often expensive to finishPay every year, forever: stop paying, and you lose the systemPay once, own it forever
Code ownershipDepends on the deal, rarely in writingNever yours to begin withFull source code, 100% yours
Extending featuresRisk of vanishing mid-projectOnly what the platform allowsUnlimited, with any team you choose
Long-term supportNo guaranteeOverseas support queuesThai team, a message away

Swipe the table to see our column

FAQ: Frequently Asked Questions about Custom Software & System Development

Straightforward answers to all your questions before deciding to hire TumWebSME for your system development.

Prices start at ฿249,000. It can be more or less depending on the project's scope. Tell us your requirements, and we'll provide a free estimate along with a clear Software Requirements Specification (SRS). The agreed price is exactly what you pay.

Typically 60–90 days, depending on complexity. Rest assured, you will receive a concrete, written timeline before the project begins—no guessing involved.

Check these 3 things before paying anyone, including us: 1. Do they have real, live systems running? 2. Is their documentation complete (SRS, timeline, milestone payments)? 3. Who maintains it after delivery? If they can't answer these, consider it a red flag.

It is 100% yours. Ownership of the source code sits with you, agreed before the contract is signed and written into the quotation, at the normal price and with no annual licence fee. You are free to have any team build on it later. Preparing everything for an actual move out, such as packaging the source code, exporting the database, producing documentation, and running a handover session for your IT team, is separate work that carries real cost, so it is quoted separately. Send us a written request whenever you need it. We keep it separate so customers who never intend to move out are not paying for something they do not use.

Yes. We will train your team until they are proficient, provide user manuals, and build a back-office backend allowing you to manage data yourself without touching a single line of code.

In short, a website is for reading, while a web application is for working—logging in, managing data, and automated processing. Building robust "systems" is our core specialty.

Absolutely, 100%. During project discussions, we speak in business terms, avoiding confusing technical jargon. As for the system itself, the interface (UX/UI) is designed to be highly intuitive for everyday users. No coding skills are required to operate it.

Definitely. We provide a free 3-month bug-fix warranty. After the warranty expires, you can sign a Maintenance Agreement (MA) so our team can continue to manage your servers and ensure long-term security.

Save yourself the hassle—we provide end-to-end setup for Cloud Servers, Domains, and SSL certificates. However, if your organization already has its own server infrastructure, we are more than happy to deploy it there for free.

We divide payments into milestones based on project progress—it’s the fairest approach. You only pay when the deliverables for that specific phase are fully developed and handed over as agreed in the contract.

Free Consultation

We are happy to provide consultation on website and system services to be a tool for growing your business.

Address : 89 Ramkhamhaeng 82 Alley, Ramkhamhaeng Road, Huamark Subdistrict, Bang Kapi District, Bangkok 10240, Thailand.

Business Hours : 09:00 - 21:00 (Open Daily)

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