Accounting software for construction & contracting businesses in Singapore

Materials go out to site on a delivery order, a supplier invoice lands six weeks later, and the foreman's variation was agreed verbally. By the time the numbers are reconciled the project is closed and the margin is gone. Without live cost-to-date against each job, quoting the next one is guesswork built on the last one's bad assumptions.

Rebar, cabling, tiles, fittings and consumables move between a storage yard and several active sites, often issued by whoever is on shift. Stock lists live in a notebook or a WhatsApp thread, so shortages show up on the morning a crew is standing idle, and over-ordering quietly buys the same items twice.

Each project has its own claim schedule, certified amounts, retention held back and a payment response window under the Building and Construction Industry Security of Payment framework. When that lives in a spreadsheet only one person understands, claims get submitted late, retention releases are forgotten, and cash sits with the main contractor far longer than it should.

Supplier tax invoices are in a folder on a dashboard, subcontractor bills arrive by email, and someone has to reconstruct a quarter of input and output tax before the GST F5 return is due. Missing or unreadable tax invoices mean input tax you can't safely claim, and rushed rekeying is where the errors come from.

Create a job for each project and tag purchase orders, supplier bills, material issues and labour costs to it as they happen. Tallium AI shows committed cost, actual cost and billed-to-date side by side, so you can see a job drifting while there is still time to raise a variation or tighten ordering. When the project closes, the final margin is already calculated.

Track materials by location — main yard, lorry, or a specific site — and issue stock to a job from a phone at the gate. Reorder points flag fast-moving consumables before a crew is held up, and every movement is stamped with who issued it and when. Stock takes become a scan-and-count exercise instead of a weekend.

Raise POs against a job with agreed supplier prices, then match delivery and invoice back to that PO so you catch price creep and short deliveries. Subcontractor bills sit in the same ledger with their own payment terms, and retention held or released is recorded against the project rather than remembered. Approvals are set by role, so a site supervisor can request but not authorise.

Snap supplier tax invoices with the mobile app and AI extracts the supplier, date, amount and tax treatment, categorising it against the right job. Standard-rated, zero-rated and exempt supplies are tracked as you go, so the figures for your GST F5 return are built from source documents rather than reassembled at the deadline. Confirm current GST rules, registration and record-keeping requirements with IRAS or a local tax professional.