Quarterly Accounting Services in Singapore - GST Compliance

Understanding Quarterly Accounting Service
Quarterly Accounting Service provides businesses with financial reporting and bookkeeping every three months, aligning with Singapore's GST (Goods and Services Tax) filing requirements. This service includes the preparation of profit and loss statements, balance sheets, and cash flow analysis. Companies will also often request GST Accounting and GST Filing services thereafter. While quarterly accounting meets basic compliance needs, it offers limited visibility into day-to-day financial performance compared to more frequent reporting cycles.
Who Typically Requires Quarterly Accounting?
Businesses that commonly opt for Quarterly Accounting Service include established companies with stable transaction volumes, those primarily focused on GST Accounting compliance, and organizations seeking basic financial reporting at lower costs. Small businesses with predictable cash flows and minimal complexity often choose quarterly services to balance compliance requirements with cost considerations.
However, many businesses find quarterly reporting insufficient for optimal financial management, particularly those experiencing growth phases, seasonal fluctuations, or complex operational structures requiring closer monitoring.
Choosing between Yearly, Quarterly, or Monthly accounting
Yearly, Quarterly, or Monthly? For many business owners and management, this is always a relevant question to ask.
Yearly Accounting is typically used by cost-conscious businesses that require minimal tracking of expenses and variances.
Quarterly accounting meets minimum requirements for GST compliance and is sometimes viewed as the middle point between cost and compliance.
Monthly accounting provides the best option for tracking and gaining a comprehensive overview of your business. Timely information facilitates swift decision making, which is essential for business.
The comparison demonstrates that while yearly accounting offers the lowest costs, it provides inadequate business intelligence promptly. Quarterly accounting represents a compromise that often leaves businesses reactive rather than proactive in their financial management.


Our Quarterly Accounting Service follows a structured process beginning with transaction compilation from the previous three months, bank reconciliation, and preparation of management accounts. The process often culminates in GST Accounting preparation and electronic filing through the Inland Revenue Authority of Singapore IRAS myTax Portal within the mandatory 30-day deadline.
GST-registered businesses must file quarterly returns regardless of transaction volume, making this a non-negotiable compliance requirement. Our process ensures accurate calculation of output tax collected from sales and input tax paid on business purchases, preventing costly penalties and audit complications.
However, the quarterly approach often reveals financial issues too late for optimal corrective action, particularly cash flow problems that could have been addressed months earlier with monthly reporting.
Quarterly Accounting Process and GST Compliance
More Singapore firms are transitioning to outsourced accounting services due to significant cost advantages and enhanced expertise access. Maintaining an in-house quarterly accounting staff costs SGD 4,000-6,000 monthly, plus benefits and infrastructure, while professional outsourcing delivers superior results at 35-60% lower costs.
Professional accounting firms provide:
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Access to qualified & experienced professionals (Chartered Accountants, CPAs, ACCAs)
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Most Corporate Service Providers’ quote includes the use of accounting software
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Scalable solutions adapting to business growth
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GST, a segment of tax, is often offered as a service for quarterly accounting
Our integrated approach combines quarterly accounting with complementary services, including corporate secretarial support for statutory compliance, payroll processing for employee management, and tax planning services for optimal financial structure.
Outsourced Accounting: The Strategic Advantage
Transparent Pricing for Outsourced Quarterly Accounting Services
Our competitive Quarterly Accounting Service pricing starts from SGD 450-700 quarterly, depending on transaction complexity and volume. Small businesses with low transaction volumes benefit from packages starting at SGD 450, while medium-volume operations typically require SGD 550-700 quarterly.
GST Accounting services are included, with GST compilation and filing from SGD 150-500 quarterly, based on transaction volume. Additional services such as detailed variance analysis, management reporting, and strategic advisory services are available as customized add-ons.
Our Commitment to Excellence
We maintain professional standards using cloud-based accounting systems, including Xero and QuickBooks, ensuring secure access and seamless collaboration. Our qualified accountants stay current with Singapore Financial Reporting Standards and regulatory changes, providing clients with accurate, compliant financial reporting.
Each client receives dedicated account management with proactive deadline reminders and customized reporting tailored to specific industry requirements. However, we strongly recommend considering monthly accounting for businesses seeking a competitive advantage through superior financial intelligence.
Transform Your Business with Professional Accounting

Take Strategic Action Now
Don't let quarterly limitations constrain your business potential. While Quarterly Accounting Service meets basic compliance needs, monthly accounting provides the strategic advantage your business deserves. Contact us now to explore which services suit your needs.
At OakTree, we offer a full suite of business services, including payroll, corporate secretarial, HR advisory, and tax planning expertise. Let us partner with you to achieve greater heights!
