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Claiming GST on Expenses Incurred Before Your Company Registered for GST

Person holding a paper invoice next to a laptop showing an online invoicing screen

Yes, a newly GST-registered company can often recover GST it paid before its registration date, but only under specific IRAS rules. Goods bought within 6 months before registration qualify if they are still held on the registration date. Goods bought earlier qualify only if they have not been used up or sold. Services, rent and utilities qualify only if incurred within 6 months before registration and not directly linked to sales made before registration. The claim is made once, in your first GST return, and must be backed by tax invoices, a stock record and IRAS’s self-review checklist.

Person holding a paper invoice next to a laptop showing an online invoicing screen
Keep the supplier invoices for pre-registration purchases with your first GST return working papers. Photo by SumUp on Unsplash

This guide is for founders, directors and finance staff of Singapore companies that have just registered for GST, or are about to, and want to recover GST paid on set-up and early operating costs.

What is a pre-registration GST claim?

Input tax is the GST you pay on your business purchases. Normally a company can only claim input tax while it is GST-registered. Before registration, the 9% GST charged by your suppliers is simply part of your costs.

IRAS makes a limited exception. If your company has just registered, it can claim some of the GST it paid on purchases made before the registration date, provided those purchases will be used to make taxable supplies after registration. IRAS calls this “pre-registration GST”.

The logic is fairness. If you bought stock in August, registered for GST on 1 October and sold that stock in November with GST charged, you would otherwise collect output tax on the sale without any credit for the GST you paid on the purchase.

The claim is not automatic. It must meet two layers of conditions: the general rules that apply to every input tax claim, and the extra pre-registration rules described below. If you are still deciding whether to register at all, our guide to applying for GST registration covers the process and timing.

Which general input tax conditions still apply?

Pre-registration GST is still input tax, so the normal rules apply first. In summary, IRAS requires that:

Our article on what you can and cannot claim as input tax explains these general conditions in more detail. A blocked expense stays blocked, whether it was incurred before or after registration.

What can you claim on goods bought before registration?

For goods, the test depends on when you bought them.

Goods bought within 6 months before registration

The goods must still be held by the business on the GST registration date. If you have sold, transferred or disposed of some of them before that date, you apportion the GST according to the units still held. Trading stock already sold before registration does not qualify.

Goods bought more than 6 months before registration

The goods must not have been consumed (used up) or supplied before the registration date. If they have been partly used before registration, or used to make supplies that straddle the registration date, the GST must be apportioned so that only the part relating to supplies after registration is claimed. Equipment such as computers and furniture bought long before registration will usually fall into this apportionment category, because some of its useful life has already been used.

IRAS’s e-Tax guide on pre-registration claims sets out the accepted apportionment methods, and the self-review checklist includes a calculator. Use them rather than inventing your own basis.

What can you claim on services, rent and utilities?

Services, property rental and utilities are treated more strictly than goods. Both of these conditions must be met:

  1. the expense was incurred within 6 months before the GST registration date; and
  2. the expense is not directly attributable to supplies your company made before registration.

IRAS gives office rental, utilities and maintenance of business premises as examples of general overheads that are not directly attributable to pre-registration supplies. By contrast, a subcontractor’s fee for a project you completed and billed before registration is directly attributable to that earlier supply and is not claimable.

Anything older than 6 months fails, however closely it relates to your future business. This catches many start-ups that registered for GST a year or more after incorporation: their incorporation, branding and website costs are simply too old.

When GST is “incurred” is decided by the supplier’s time of supply, which is generally the earlier of the invoice date and the payment date. Check the dates on each supplier invoice rather than relying on when you recorded the expense.

Quick reference: what qualifies

Type of purchase When incurred Condition Claimable?
Trading stock or other goods Within 6 months before registration Still held at registration date Yes, for units still held
Goods, including equipment More than 6 months before registration Not consumed or supplied before registration Yes, apportioned if partly used
Office rent, utilities, premises maintenance Within 6 months before registration Not directly attributable to pre-registration supplies Generally yes
Services tied to a sale made before registration Any time Directly attributable to a pre-registration supply No
Any services, rent or utilities More than 6 months before registration Outside the window No
Staff meals and staff hotel accommodation Before registration Already consumed No
Purchases for exempt supplies after registration Any time Not used for taxable supplies No

Can the company claim GST on costs paid before it was incorporated?

Often a founder pays for things personally before the company exists: legal or corporate secretarial fees to incorporate, a first batch of stock, a laptop. IRAS allows the company to treat GST on those purchases as its own, but only if all of these are met:

The purchases must then also pass the normal pre-registration tests above, including the 6-month window for services. In addition, IRAS asks the company to write in for approval, confirming that the conditions are met, before claiming the GST in its first return.

For income tax, pre-incorporation and pre-trading costs follow different rules. Our article on pre-commencement expenses covers the income tax side, which should not be confused with the GST claim.

How to make the claim: step by step

  1. Confirm your GST registration date. Every time limit runs back from the effective date in your registration notice, not the date you applied.
  2. List every purchase from the last few months before that date. Pull supplier invoices, import permits and payment records. Separate goods from services, rent and utilities.
  3. Check each invoice. It must be a valid tax invoice addressed to the company (or, for pre-incorporation purchases, meet the conditions above), from a GST-registered supplier, showing GST charged.
  4. Apply the time tests. Mark services, rent and utilities older than 6 months as not claimable. For goods, note whether they were bought within or more than 6 months before registration.
  5. Do a stock check on the registration date. Count goods still held, and identify goods already sold, used up or partly used. Apportion as required.
  6. Remove blocked and pre-registration-linked items. Take out disallowed expenses and anything directly attributable to sales made before registration.
  7. Complete IRAS’s self-review checklist. IRAS publishes a pre-registration GST checklist with a built-in calculator. You do not submit it, but you must keep it with your records.
  8. Write in to IRAS if any purchases were made before incorporation, and wait for approval before including them.
  9. Claim in your first GST F5 return. Include the value of the qualifying purchases in the box for taxable purchases and the GST in Box 7, and answer “Yes” in Box 12, which asks whether you made pre-registration claims and only appears in the first return.

Our guide to filing the GST F5 return explains the other boxes.

Documents to keep

Example: a trading company that registered voluntarily

Example (hypothetical): Harbourline Supplies Pte. Ltd. was incorporated on 2 February 2026. A founder paid a corporate service provider’s incorporation fee, with GST, on 30 January 2026 and was later reimbursed. The company registered for GST voluntarily with effect from 1 October 2026, so the 6-month window starts on 1 April 2026.

Harbourline claims the qualifying amounts in its first GST return for the quarter starting 1 October, ticks Box 12 and keeps the checklist and stock records on file.

Common mistakes

Frequently asked questions

Do I need to send the self-review checklist to IRAS?

No. IRAS says you do not need to submit it, but you must complete it and keep it as part of your records in case IRAS reviews the claim.

I forgot to include pre-registration GST in my first return. Can I add it to my next one?

The Box 12 question only appears in the first return, so the claim is tied to that return. If it was missed, the usual route is to correct the first return through IRAS’s error disclosure process. Speak to your tax adviser before filing a correction.

Does it matter whether I registered compulsorily or voluntarily?

The pre-registration rules apply to both. What matters is the effective registration date and whether each purchase meets the conditions on that date.

Can I claim GST on imported goods bought before registration?

Yes, if the import permit shows the company as importer and the goods meet the same tests as locally bought goods, including still being held at registration where bought within the last 6 months.

What if the goods are used partly for exempt supplies after registration?

Pre-registration GST is only claimable to the extent the goods or services are used for taxable supplies after registration. If you also make exempt supplies, such as certain financial services, partial exemption rules will limit the claim.

Need help with your pre-registration GST claim?

Raffles Corporate Services can review your purchases before registration, prepare the apportionment workings and IRAS self-review checklist, draft any write-in to IRAS for pre-incorporation costs and file your first GST F5 return. Email [email protected] or WhatsApp +65 8501 7133. You can also read IRAS’s own page on claiming GST incurred before registration and its guidance on completing GST returns. This article is general information, not tax advice.

Kevin Yeo, Raffles Corporate Services

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