Quotation software for interior fit-out and joinery firms in Singapore

Your estimator prices a full apartment fit-out from last quarter's plywood, solid surface and ironmongery costs. By the time the client signs three weeks later, your supplier has moved prices twice and the carpentry line is already underwater. Because the quote lives in a spreadsheet, nothing connects it to what you actually paid, so nobody spots the gap until the job is finished.

The client asks for an extra feature wall, a change from laminate to veneer, or two more overhead cabinets. It gets agreed verbally on site, the carpenters build it, and it quietly disappears. At handover you are arguing over what was in scope, with no signed paper trail and no way to show the material and labour that the change actually consumed.

Sheet goods, edging, hinges, drawer runners, adhesives and offcuts sit across a Sungei Kadut workshop and a site container. Someone buys another twenty sheets of 18mm because nobody could see the eight already on the rack, and next week a job stalls because the specified handles were used on a different project. Cash is tied up in stock you cannot count.

Deposits, progress claims, retention and final accounts each land in different months, and the bookkeeping catches up long after the fact. When the GST F5 return period closes you are hunting for supplier tax invoices, checking whether output tax was charged correctly on each claim, and hoping the numbers reconcile against the bank.

Build quotations from your own item list — sheet materials, hardware, finishes, sub-contract lines and labour — priced off the cost you last actually paid. Save reusable templates for a standard kitchen, wardrobe run or reception counter so a new enquiry takes minutes. Set your margin per line or per section and see the gross profit on the quote before you send it, not after the job closes.

Raise a variation as a revision to the original quotation, email it for approval from the app, and keep the full version history against the project. Once approved, it flows straight into the next progress claim, so extra carpentry, extra ironmongery and extra site days get billed instead of absorbed. Nothing depends on remembering a conversation from six weeks ago.

Track sheet goods, hardware and consumables with real quantities across multiple locations. Allocate materials to a project when the job is won, raise purchase orders against the shortfall, and receive supplier deliveries straight into stock so the cost lands on the right job. Low-stock alerts on your fast-moving items stop the panic run to the supplier on a Saturday morning.

Issue tax invoices with your GST registration number, capture supplier invoices by photographing them (AI reads and categorises them for you), and reconcile against the bank as you go. Your GST position is summarised continuously, so preparing the GST F5 return is a review rather than a reconstruction. Rates, registration thresholds and InvoiceNow (Peppol) e-invoicing requirements do change — confirm current rules with IRAS or a local tax professional.