Architecture in Singapore

Architecture Invoice Template for Singapore

Create professional invoices tailored for architecture businesses in Singapore. Our free invoice generator combines architecture-specific formatting with Singapore's GST compliance and SGD support.

Example Architecture invoice for Singapore

An example of what your invoice could look like (sample figures).

Singapore Architecture

UEN 9638Y

TAX INVOICE

#INV-8638

Bill to

Sample Client — Singapore

SGD
DescriptionQtyUnitAmount
Concept & schematic design 3 $5,833.33 $17,499.99
Development application documentation 4 $5,833.33 $23,333.32
Construction documentation 3 $5,000.00 $15,000.00
Subtotal$55,833.31
GST 9%$5,025.00
Total due$60,858.31

Architecture Services in Singapore

Typical architecture services billed in Singapore:

  • Concept & schematic design (Singapore)
  • Development application documentation (Singapore)
  • Construction documentation (Singapore)
  • Tender & contractor selection (Singapore)
  • Contract administration (CA) (Singapore)

Invoice Requirements in Singapore

Singapore requires these fields on a valid invoice:

  • If GST-registered, display the words 'Tax Invoice' and show 9% GST separately
  • Include your UEN (Unique Entity Number) on business invoices
  • GST registration is compulsory once taxable turnover exceeds S$1 million
  • Show the GST registration number when you are GST-registered

Tax & Currency for Singapore

GST: 9%

Currency: SGD ($)

Business registration: UEN

Invoicing Tips for Architecture in Singapore

  • Match invoice stages to signed fee proposal (percentage or fixed per phase)
  • Invoice before lodging DA or tender documents on fixed phases
  • Architecture businesses in Singapore must include UEN on every invoice
  • Charge GST at 9% on architecture services if registered in Singapore
  • Standard payment terms: Net 30 days — invoice in SGD ($)

Common Mistakes to Avoid

  • Invoicing full documentation fee before council lodgement
  • Not tracking meeting hours against included allowance in fixed fee
  • Not including UEN on architecture invoices for Singapore clients
  • Using incorrect currency (must be SGD) on cross-border architecture jobs

Architecture Invoicing FAQ — Singapore

What should a architecture invoice include in Singapore?

A architecture invoice in Singapore must include: your UEN, business details, client information, unique invoice number, date, itemized architecture services, GST at 9% (if registered), amounts in SGD, and payment terms.

What GST rate applies to architecture services in Singapore?

In Singapore, architecture services are typically subject to GST at 9%. Registration thresholds vary. Once registered, you must charge GST and show it separately on all invoices.

What payment terms are standard for architecture in Singapore?

Standard payment terms for architecture businesses in Singapore are Net 30 days. The average invoice value in this industry is approximately $5000. Always clearly state your payment terms on every invoice.