7 Temasek Boulevard, #12-07 Suntec Tower One, Singapore 038987martin@prosecsingapore.com · +65 8898 4830
Bookkeeping, annual accounts and IRAS filings

Singapore Accounting and Tax Services

Accounting records should be maintained from the first transaction. The annual work then uses those records to prepare financial statements, ECI and the applicable corporate income tax return.

The service scope depends on transaction volume, record quality, GST status, payroll, foreign transactions and whether prior periods need cleanup.

Monthly recordsBank, sales and expenses

Keep source documents and reconciliations current.

Annual workAccounts and tax computation

Scope depends on record quality and transactions.

IRAS filingsECI, Form C-S or Form C

GST and payroll are assessed separately where relevant.

Service scope

Accounting and tax work are connected

Tax filing relies on complete accounting records. Missing invoices, bank explanations or shareholder transactions should be resolved before filing.

Accounting

  • Bookkeeping and transaction classification
  • Bank and balance sheet reconciliations
  • Year-end schedules and financial statements
  • Director, shareholder and related-party balances

Tax filing

  • ECI preparation where required
  • Corporate tax computation
  • Form C-S, Form C-S Lite or Form C support
  • GST review and returns where separately engaged
Monthly records

Documents to provide

Income and expenses

  • Sales invoices and customer receipts
  • Supplier invoices and expense receipts
  • Payroll and CPF records
  • Contracts and supporting schedules

Bank and company matters

  • Complete bank statements
  • Loans, capital and shareholder payments
  • Fixed assets and financing documents
  • Prior accounts and tax notices
Filing calendar

Key deadlines to monitor

ItemGeneral timingPreparation point
ECIGenerally within three months after FYE, subject to exemption rulesDraft accounts and tax adjustments
Corporate income tax returnAccording to the annual IRAS filing deadlineFinal accounts, tax computation and supporting schedules
GST returnBased on the assigned GST accounting periodTax invoices, claims, exports and reconciliations

The exact filing obligation should be checked against the company’s FYE, IRAS notices and current filing status.

Official sources

Rules and filing guidance

FAQ

Questions to settle before engagement

When should a new company start bookkeeping?

From the first transaction. Bank movements, sales, expenses, capital and shareholder payments should be supported and recorded.

Is ECI always required?

Some companies may qualify for an ECI filing waiver. The position should be checked against current IRAS conditions and the company’s revenue and ECI.

What is the difference between Form C-S and Form C?

The applicable return depends on the company’s eligibility and tax matters. The accounts and tax computation should be prepared before choosing the form.

Is GST included in standard accounting work?

Not automatically. GST registration, return preparation and transaction review should be confirmed separately.

Can ProSec fix prior-year records?

Prior-period cleanup can be assessed after reviewing the bank statements, filings, accounts and available supporting documents.

Confirm the documents and service scope first

Send us your company status and available documents. ProSec will explain the relevant scope, fee and next step.

Request an accounting review
WhatsApp ProSec