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GST InvoiceNow for Singapore SMEs: What You Must Do Before 2028

  • Writer: CR Consultancy
    CR Consultancy
  • 6 days ago
  • 3 min read

Updated: 1 day ago

Is your business ready for the upcoming GST InvoiceNow Requirement?


Singapore is accelerating its digital tax transformation, and one of the biggest upcoming changes for businesses is the GST InvoiceNow Requirement. If your business is GST-registered, this is not optional. It is a mandatory shift that will change how invoices are issued, processed, and reported to IRAS.


Here is a clear, practical guide to help you understand what is coming and what you need to do now.

GST invoice now promo with laptop, invoice card, upload icon and CR Consultancy logo, blue and pink e-invoicing design, asking Are you ready?

What Is GST InvoiceNow?

InvoiceNow is Singapore’s nationwide e-invoicing network based on the Peppol standard. It allows businesses to send and receive invoices directly between systems in a structured digital format.


Instead of emailing PDFs or manually entering data, invoices are transmitted automatically between systems and to IRAS. This reduces manual entry, improves accuracy, and speeds up processing.


The Key Change Under the GST InvoiceNow Requirement

Under the new requirement, businesses must:

  • Use InvoiceNow-ready solutions such as Xero

  • Transmit invoice data directly to IRAS

  • Maintain structured digital invoice records


This means your invoicing process becomes part of your tax reporting system.


  • 1 Nov 2025: Companies that register for GST voluntarily within 6 months of incorporation date.

  • 1 Apr 2026: 

    • Businesses that apply for voluntary GST registration on or after 1 Apr 2026 regardless of incorporation date or business structure.

    • Existing GST-registered businesses with total annual supplies ≤ S$200,000

  • 1 Apr 2028: Businesses that apply for compulsory GST registration on or after 1 Apr 2028.

  • 1 Apr 2029: Existing GST-registered businesses with total annual supplies ≤ S$1,000,000

  • 1 Apr 2030: Existing GST-registered businesses with total annual supplies ≤ S$4,000,000

  • 1 Apr 2031: Existing GST-registered businesses with total annual supplies > S$4,000,000


Even if your deadline is later, preparation should start early.


 Why Early Adoption GST InvoiceNow Matters for SMEs

Early adoption gives you several advantages:

  • Spread out implementation costs

  • Avoid last-minute system changes

  • Improve invoicing efficiency sooner

  • Reduce errors and rework

  • Benefit from grants before they expire


InvoiceNow also improves GST compliance and speeds up audits and refunds. 


Government Support Available for GST InvoiceNow Adoption (From July 2026)

To ease the transition, the government has introduced several support schemes:


  • $5,000 Transition Grant

  • Up to $25,000 under the InvoiceNow Queen Bee Grant


These grants are available from 1 July 2026, making now the best time to act.


Additional Digitalisation Support Through PSG

Beyond the GST InvoiceNow grants, eligible SMEs may also benefit from the Productivity Solutions Grant (PSG) when adopting approved digital solutions.


At CR Consultancy, businesses may qualify for up to 50% PSG funding support when implementing eligible Xero accounting solutions. This can help reduce the cost of digitalising your finance processes while preparing your business for future compliance requirements such as GST InvoiceNow.


By leveraging both InvoiceNow-related grants and PSG-supported solutions, businesses can improve productivity, streamline financial management, and reduce overall implementation costs.


Public Service Announcement from IRAS and ISCA

As part of ongoing efforts to support businesses and raise awareness of important national initiatives, the Inland Revenue Authority of Singapore (IRAS) and the Institute of Singapore Chartered Accountants (ISCA) have encouraged businesses to familiarise themselves with the GST InvoiceNow Requirement and begin preparations early.


The initiative is part of Singapore's broader digitalisation efforts to improve business efficiency, strengthen tax compliance, and reduce manual administrative processes. Businesses that start planning ahead will have more time to evaluate suitable solutions, train employees, and take advantage of available government support before the mandatory implementation dates. 


Frequently Asked Questions

  •  Is InvoiceNow mandatory for all businesses?

No. It is mandatory only for GST-registered businesses, but may indirectly affect others if your customers require it.

  • Do I need to change my accounting software?

Not always. Some systems can be upgraded to support InvoiceNow.

  • Can SMEs really adopt this at low cost?

Yes. Free solutions and grants are available to reduce costs significantly.

  • What happens if I don’t comply?

IRAS has not detailed penalties yet, but compliance will be required as part of GST reporting.

  • When should I start preparing?

Immediately. Grants are available now, and system changes take time.


Need Help Getting Started?

Understanding the GST InvoiceNow Requirement, evaluating suitable software, and identifying available grants can sometimes feel overwhelming, especially for busy business owners.


At CR Consultancy, we work closely with SMEs to assess their readiness, explore InvoiceNow-ready solutions, review PSG funding opportunities, and identify practical digitalisation strategies that fit their business needs.


Whether you're considering Xero implementation, InvoiceNow adoption, or looking to make use of available government support schemes, we're here to help.


 


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