Payment Methods & Invoicing Terms
Transparent billing options, milestone schedules, and bank transfer details for engineering engagements.
1. Professional Fee Structures
DETAILED LIMITED operates transparent fee arrangements tailored to commercial developers, architects, and residential property owners across New Zealand:
- Fixed-Price Milestone Engagements: Quoted upfront for defined scopes such as Structural Design (PS1), Geotechnical Reports (GIR), and Stormwater Consent Packages.
- Time & Materials (Hourly Rates): Applied for expert witness testimony, complex council hearings, and ad-hoc structural modifications during construction.
- Retainer Arrangements: Available for property developers and commercial group builders requiring priority turnaround on multi-lot projects.
2. Accepted Payment Methods
We accept the following payment channels for professional engineering invoices:
| Method | Details / Processing | Currency |
|---|---|---|
| New Zealand Direct Credit (Bank Transfer) | Direct electronic bank transfer to our New Zealand corporate account (details provided on tax invoice). | NZD |
| Corporate Electronic Funds Transfer (EFT) | Standard business-to-business EFT and AP invoice routing for registered NZ corporate entities. | NZD |
| International Telegraphic Transfer (SWIFT) | For international clients investing in New Zealand development projects. SWIFT & IBAN routing available upon request. | NZD / USD / AUD |
3. Payment Terms & Producer Statement Release
Invoices are issued on a 14-day standard payment cycle. Please note that certified Producer Statements (PS1 & PS4) are formal legal instruments and are released upon settlement of the corresponding design milestone invoice.
4. Goods and Services Tax (GST)
All fees quoted for projects within New Zealand are subject to 15% Goods and Services Tax (GST) in accordance with the New Zealand Goods and Services Tax Act 1985. Tax Invoices with full GST breakdown are issued for every transaction.