about
us
New Zealand's Premier Estimating Partner
SJ Estimating House is a firm built on local expertise and AI-driven innovation
Founded in 2021, our goal was to eliminate guesswork from construction bidding. We merge advanced AI technology with deep, on-the-ground knowledge of New Zealand building codes, material costs, and regional labor rates. Our vision is to become the most trusted estimating partner for Kiwi builders, providing data-backed budgets that win tenders and protect margins every single time.
PROCESS
SJEH Foundation
SJEH was born to bridge the gap between Kiwi builders and accessible, data-backed financial confidence.
Our Mission & Vision
Our mission is to empower Kiwi builders and contractors with transparent, data-driven estimating that builds confidence.
Our Core Values
Integrity and transparency are the core values we bring to every partnership.
Our Commitment
We remain firmly committed to precision, integrity, and lasting partnerships.
Ready to elevate your
estimating strategy?
Join the list of New Zealand's top builders who rely on SJ Estimating House for their success.
Let's Build Together →Get a NZ tender review. No commitment.