Reliable · Simple · Smart
Sunny Sales — Practical Web Sales & Billing Management Built for Thailand.
Unify quotations, purchase orders, delivery notes, invoices, receipts, and payment reconciliation in one central database—deployed smoothly on your office server or cloud environment for safe, reliable operations.
Sunny Sales bridges the gap between error-prone Excel spreadsheets and overly complex, high-cost enterprise ERP suites.
Spreadsheet files get scattered across folders and staff PCs, making it slow to locate the latest revision or search historical pricing.
Manually re-entering items from quotations into POs, delivery notes, and invoices leads to broken formulas, VAT mistakes, and missed billings.
Overloaded screens and unnecessary enterprise workflows require weeks of training and slow down everyday sales and admin staff.
Large ERP implementations and steep per-user cloud subscriptions create heavy upfront and recurring costs that are hard to justify.
Connect your entire sales cycle—from initial quotation to final receipt—inside a single centralized database with zero duplicate entry.
Sales, procurement, and accounting teams share live status updates—eliminating manual handoffs and billing oversights.
Seven essential modules built to streamline daily sales, invoicing, and payment collection. Click any screenshot to enlarge.
Monitor sales order totals (THB) by customer, deal category, and sales owner alongside monthly document volume, annual billing trends, and Paid vs. Open invoice counts.
Create product or service quotations while reviewing Supplier Cost, Sales Price, and Profit % side by side—complete with revision tracking, automatic VAT calculation, and approval groups.
Track Quotation No., Sales Order, Customer PO, milestone invoices (1st/2nd or project phases), due dates, and paid dates in one view—with overdue items highlighted automatically.
Assign menu-by-menu permissions across user groups such as Administrator, Managing Director, Product Sales, Development Sales, and GA & PO for strong internal control.
Built-in document menus for Thai commercial requirements including Tax Invoices, Debit Notes, and Credit Notes.
Manage accounts receivable cleanly with dedicated support for bank transfers, cheque tracking, and payment clearing.
Centralize customer, supplier, and product master records and generate monthly or fiscal-year sales and receivable reports.
Protect vital customer, cost, and revenue data with proper backup management
Deploy Sunny Sales on your in-house server or cloud environment so vital sales records and billing history stay reliably backed up (if you need a server, our team can also provide and set it up). Staff simply log in from any standard web browser.
Browser-based delivery eliminates per-computer installers and protects your system across future Windows updates and PC replacements.
Thai sales/accounting staff and expat managers collaborate seamlessly on the exact same live figures and document numbers.
Focused on the core workflows SMEs actually use every day, keeping initial investment low and rollout fast.
You never have to force your business into a rigid box. Developed in-house by SUNNY SYSTEM since 2009, Sunny Sales can be tailored directly to your company's forms and rules.
Match Quotation, Delivery Note, Tax Invoice, and Receipt printouts to your company logo, stamp, and Thai commercial layout.
Add multi-tier approval steps, industry-specific tracking fields, or custom management reports as your operations evolve.
Our Bangkok team guides you from requirement review and master data preparation through staff training and post-launch care.
We review your current Excel sheets and walk you through Sunny Sales in action.
Choose a standard fast-track setup or include custom print forms and workflow adjustments.
We deploy Sunny Sales with proper backup protection and configure user roles, customers, and items.
Go live smoothly backed by our annual maintenance agreement for ongoing peace of mind.
Because SUNNY SYSTEM handles both software engineering and IT infrastructure, you get single-vendor accountability across software and hardware.
Share a concise 2-page overview of Sunny Sales with your Thai team or Japanese management.
