Name

Seipp Construction Limited

Legal name

Seipp Construction Ltd

Website

https://seipp.co.nz

Company type

Private

Founded year

2012

Operating status

Operating

Ownership category

akta.pro rank

Product category

Civil Infrastructure Construction

NAICS

Water and Sewer Line and Related Structures Construction (237110), Water and Sewer Line and Related Structures Construction (23711), Utility System Construction (2371)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Storage & Conveyance Structures (Reservoirs, Tanks, Culverts, Tunnels) (IMAFAGAE)

Keywords

• Civil construction services
• Wastewater infrastructure
• Water supply construction
• Marine civil works
• Seismic strengthening

Headquarters

HQ city

Christchurch

HQ country

New Zealand

HQ region

Oceania

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Technology or R&D

Revenue model

1. Infrastructure Construction Services: Project-based construction services for civil infrastructure including wastewater systems, water supply, stormwater, marine works, and transport infrastructure. Revenue is earned through competitive tendering on public and private infrastructure projects across New Zealand.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels2 records

Core offering

Seipp Construction is a nationwide New Zealand civil infrastructure contractor delivering construction, maintenance, and renewal services for 3-waters (wastewater, drinking water, stormwater), energy, marine, and transport infrastructure. The firm combines civil works with in-house mechanical design, fabrication and installation through its wholly-owned Seipp Mechanical subsidiary, allowing self-perform delivery of pump stations, pipelines, treatment plant upgrades, marine structures, bridges, culverts, and seismic strengthening works for asset owners and Tier 1 contractors.

Product overview

Seipp Construction Limited is a nationwide civil infrastructure construction company headquartered in New Zealand, offering a comprehensive portfolio of construction services. The company operates as a single unified service business rather than a platform-plus-modules architecture. Its core offerings include Seipp Mechanical (in-house mechanical design, fabrication and installation) combined with broad civil infrastructure services spanning wastewater infrastructure, drinking water utilities, stormwater utilities, marine infrastructure, transport infrastructure, seismic strengthening, and multi-disciplinary civil works. Projects range from pipeline installations and pumping station construction to wastewater treatment plant works, marine structures, and bridge rehabilitation. The company also provides specialist dewatering services with remote monitoring capabilities. Seipp serves asset owners, infrastructure designers, and communities across New Zealand.

Differentiator

Problem solved

Functional benefit

Products and services

• Seipp Mechanical In-house mechanical design, fabrication and installation service providing a holistic approach to design and delivery for infrastructure projects requiring mechanical scope such as pump stations, penstock bearing replacement, and process equipment.
• Wastewater Infrastructure Services Construction, repair, and maintenance of wastewater systems including treatment plants, pipelines, pumping stations, and related civil structures for councils, water utilities, and Tier 1 contractors across New Zealand.
• Drinking Water Utilities Construction and maintenance of drinking water supply infrastructure including storage tanks, trunk mains, wellhead systems, suction tanks, and pressure main replacement for councils and water utilities.
• Stormwater Utilities Construction and refurbishment of stormwater systems including pump stations, pipe bursting, ocean outfalls, culvert installations, and drainage infrastructure for councils and main contractors.
• Marine Infrastructure Marine construction services including seawall construction, wharf maintenance, and dredging operations for councils, port operators, and Coastguard New Zealand.
• Transport Infrastructure Construction and rehabilitation of transport infrastructure including footbridges, vehicle bridges, and culvert installations for councils and Tier 1 contractors.
• Seismic Strengthening Seismic retrofitting and strengthening of existing infrastructure including dam hydro stations and critical civil structures, drawing on Christchurch post-earthquake expertise and bespoke mechanical solutions such as winch-and-trolley systems.
• Multi Disciplinary Civil Works Complex civil construction projects combining multiple construction disciplines including dewatering, piling, and structural works, delivered self-perform with Seipp Mechanical capability.
• Dewatering Services Specialist dewatering services including well point systems, large and small diameter wells, surface dewatering, and 24-hour remote monitoring with live web access to turbidity meters and pH sensors at point of discharge, including super silent pumps for minimal disturbance.

Quantifiable outcome

• Delivered Beachville Road Seawall project 10% under original budget through innovative construction methodology
• +5 more outcomes

Named customers17 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered core and major.

• Ghella Abergeldie JVcoreStrategic or Co-development Partner · 1 December 2021Joint venture partnership for Māngere Wastewater Treatment Plant projects. Seipp Construction, as part of GAJV (Ghella Abergeldie JV), delivered the Māngere Twin PE Rising Main Installation ($5.9M contract) and Confluence Chamber construction. Seipp performed approximately 95% of works self-performed including pipeline installation, shoring, dewatering, mechanical works, and roller/lifting system design.
• WatercarecoreChannel Partner/ Reseller/ DistributorMajor water utility client for Auckland infrastructure projects including Māngere Wastewater Treatment Plant Central Interceptor Odour Beds and Confluence Chamber projects. Seipp operates as contractor under GAJV for Watercare contracts.
• SCIRT (Stronger Christchurch Infrastructure Rebuild Team)coreStrategic or Co-development PartnerMajor reconstruction partnership delivering Christchurch earthquake infrastructure recovery. Seipp completed numerous SCIRT projects including pump stations, wastewater pipelines, stormwater systems, and marine infrastructure across Christchurch.
• StructexmajorTechnology or IntegrationEngineering design consultancy collaborated with on Benmore Dam Hydro Station Seismic Strengthening project for design development of penstock bearing replacement, fluid viscous dampers, and anchor blocks.
• Taurus EngineeringmajorTechnology or IntegrationSpecialist engineering subcontractor collaborated with Seipp to design and trial the winch-and-trolley system for Benmore Dam penstock bearing replacement on steep 37-degree slope.
• JacobsmajorTechnology or IntegrationEngineering consultancy collaborated with on Christchurch Stormwater Pump Station 205 Refurbishment project providing civil, mechanical and electrical design engineering.
• Beca ConsultantsmajorTechnology or IntegrationEngineering consultancy worked with on Eastern Terrace Water Supply Trunk Main Replacement project providing initial design work for pipe selection.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Fulton Hogan: One of Australasia's largest civil contractors, headquartered in NZ, delivering water, wastewater, stormwater, roading and infrastructure projects. Fulton Hogan is simultaneously a key Seipp client (SH1 Papakura to Drury Culvert) and a direct competitor for council tenders across NZ.
• HEB Construction: NZ-focused civil contractor specialising in bridges, water infrastructure, marine and transport projects — directly comparable to Seipp's core service lines and a typical competitor for the same regional council tenders.
• Brian Perry Civil: Fletcher-owned NZ civil specialist in water, wastewater, energy and ground engineering. Comparable in scale and service mix to Seipp and a frequent competitor for the same pump station and water/wastewater packages.
• McConnell Dowell: Australian-founded Tier 1 civil contractor with deep NZ presence in water, wastewater, marine and transport infrastructure. Both a subcontractor client (PS125, PS134 pumping stations for SCIRT) and a direct competitor for the same council water/wastewater tenders.

Emerging players

• Ghella Abergeldie JV: JV between Italian tunnel specialist Ghella and NZ/AU firm Abergeldie; primary contractor on Watercare's Central Interceptor programme for which Seipp performs specialist work packages (~95% self-perform on the Māngere Twin PE Rising Main). Closely linked through JV economics on Auckland water projects.

Broad incumbents

• Downer EDI: ASX-listed integrated infrastructure services group with a large NZ civil construction business spanning transport, water and utilities. A Seipp client on Dudley Creek Vehicle Bridges and a broad incumbent competing across the same tender pool.
• Fletcher Construction: Largest NZ-based construction company with civil, building and infrastructure divisions. Both a client (Christchurch Hospital dewatering, Pak'nSave fuel tank) and a broad incumbent on large public infrastructure projects.
• John Holland: Australia-based Tier 1 infrastructure contractor with NZ water and transport projects. Comparable as a broad incumbent delivering integrated civil and mechanical works at larger scale than Seipp.
• CPB Contractors: Australia-based Tier 1 contractor (CIMIC group) with water, transport and energy infrastructure capabilities across Australasia. Competes with Seipp indirectly through JV partners and on larger NZ infrastructure programmes.

Regional players

• Naylor Love: Christchurch-headquartered construction firm with strong South Island presence across commercial building and civil works. Both a Seipp client (Cathedral Square dewatering) and a regional competitor for Canterbury-based projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/seipp-construction-ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Seipp Construction Limited