Spending power
TheGrid Corporate Spending Power index would rate purchasing capacity from registry, scale and activity signals.
Spending power
Key facts
Counted staff
16
self-reported 11–50 band
Founded
2018
8 years
Legal entities
None matched
Office countries
1
1 address
Funding rounds
None on record
Company type
Privately Held
self-reported
Description
Andy O’Sullivan was established to offer a nimble international best practice service in geotechnical design to the local infrastructure industry. Close collaboration with our Clients is the key – it allows us to create safe, economic, and practical design solutions.
⛰We move ‘mountains’ by optimising Geotech, earlier👷♀️
Why Andy O’Sullivan?
⭐Local experts – we have significant knowledge of Auckland’s ground conditions– based on over 20 years’ local experience and involvement in most of Auckland’s iconic infrastructure projects.
⭐Unique – our team has diverse backgrounds in construction and design. We optimise Geotech based on the preferred technique, programme and acceptable risk.
⭐Nimble – we are a small specialist team. We offer a fast response and direct contact.
⭐Collaborative – we are not selling time. We get our kicks from our Clients getting the best outcome.
⭐Add value - our designs bring our Clients a significant reduction in cost (& carbon) and time, and re-thinking of risk.
Since 2018, we have delivered significant technical work on some of New Zealand’s most iconic infrastructure projects: Auckland City Rail Link, Auckland Central Interceptor, Pūhoi to Warkworth Motorway, AMETI Eastern Busway, Port Nelson Main Wharf Extension, and the Old Mangere Bridge Replacement Project. As a small team we have had a big impact on big projects.
How can we help you optimise your Geotech, earlier?
Check out www.aosullivan.co.nz to learn more about Andy O’Sullivan or get in touch now to discuss your geotechnical engineering challenges. You can reach us on ☎️ +64-276-441315 or email 📧 office@aosullivan.co.nz
Specialties
All 8 specialties
- Geotechnical Engineering
- Deep Foundations
- Ground Improvement
- Soil Characterisation
- Seismic Geotechnical Engineering
- Slope Stability
- Temporary Works Design
- Settlement and groundwater drawdown
Related specialties
Locations
Country footprint
Show as table · Offices in 1 country
| Countries | 1 |
|---|---|
| Primary country | NZ |
All codes: NZ
Addresses
- NZ150 Karangahape Rd; 204; Auckland Central, Auckland 1010Primary
Grid intelligence Members
Signals & hiring
Hiring, headcount and registry-change signals, streamed to members.
Latest signal
Hiring activity
Headcount trend
Financials
Registry-filed capital and financial indicators, standardised by TheGrid.
Paid-up capital
Fiscal period
Registered charges
Revenue
Profit / loss
People & contacts
4 employee profiles on record · names withheld.
Names and titles are intentionally absent from this page. The source relation carries no consent record across the privacy regimes this directory spans, so it is never requested and never stored. Search engines see exactly what you see here.
Names are withheld until a consented source exists.
FAQ
How many people work at Andy O'Sullivan - Geotechnical Engineering?
16 counted staff profiles at January 2026, inside the self-reported 11–50 band.
Where does Andy O'Sullivan - Geotechnical Engineering have offices?
One address on record, New Zealand only. Primary: 150 Karangahape Rd, 204, Auckland Central, Auckland 1010.
Has Andy O'Sullivan - Geotechnical Engineering raised funding?
None linked to this brand.
What does Andy O'Sullivan - Geotechnical Engineering list as its specialties?
Eight tags on the brand's own list, among them geotechnical engineering.
Which companies are listed alongside Andy O'Sullivan - Geotechnical Engineering?
21 profiles list Andy O'Sullivan - Geotechnical Engineering as a peer — 96th percentile in Civil Engineering. It lists ten peers of its own. Innerscape and HD Geo list it back.