What GRAF Australia does

GRAF Australia Pty Ltd is the Australian operating subsidiary of German plastic manufacturer Otto GRAF GmbH, headquartered in Henderson, Western Australia. The company manufactures and distributes a comprehensive portfolio of plastic water management products including underground and above-ground rainwater harvesting tanks (Carat and Platin series, 1,500L to 122,000L capacity), modular stormwater attenuation and infiltration systems (EcoBloc variants and Infiltration Tunnels), wastewater treatment plants (OneAdvanced, One2Clean), grease separators, trade waste pre-treatment units, surface drainage channels (RECYFIX, SPORTFIX), and active geotechnical membranes (Tektoseal Active) for contaminant containment including PFAS. Core technology centres on moulded recycled-plastic manufacturing with German-engineered proprietary product designs.

The company operates a hybrid go-to-market combining direct e-commerce sales through grafaustralia.com.au with dedicated project assistance services (design, supply, commissioning, maintenance) targeting commercial, infrastructure, and government clients. Distribution is fulfilled through five strategically located distribution centres across all mainland Australian states (WA, QLD, SA, NSW, VIC), enabling nationwide delivery of bulky water management products. Revenue is generated through one-time product sales on a quote-based pricing model, with both residential and commercial/institutional customer segments served. GRAF Australia holds multiple certifications including PIA, BBA, and Environmental Product Declarations, supporting specification in regulated Australian water infrastructure projects. Customers include Lesmurdie School, West Coast Eagles, and Western Power. David Williams serves as Managing Director. The company is part of the broader GRAF global network with sub-brand GARANTIA for rainwater products.

Name

GRAF Australia

Legal name

GRAF Australia Pty Ltd

Website

https://grafaustralia.com.au

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

GRAF Australia Pty Ltd is the Australian subsidiary of German manufacturer Otto GRAF GmbH, producing recycled-plastic water management systems — rainwater tanks, stormwater modules, wastewater treatment, and geotechnical membranes — for residential, commercial, and government customers across Australia.

Ownership category

akta.pro rank

Product category

Water Management Systems

NAICS

Plastics Product Manufacturing (3261), Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing (32612)

SIC

Miscellaneous Plastics Products (3080)

akta.pro primary industry

Stormwater Drainage & Culvert Systems (IMANADAH)

akta.pro secondary industry

Water & Sewer Pipe & Fittings (PVC/HDPE/PP) (IMANADAA)

Keywords

• Rainwater harvesting systems
• Stormwater management products
• Wastewater treatment systems
• Plastic water tanks
• Geotechnical containment solutions

Headquarters

HQ city

Henderson

HQ country

Australia

HQ region

Oceania

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Water Management Product Sales: Direct sales of plastic water management products including rainwater tanks, stormwater systems, wastewater treatment units, and geotechnical membranes. One-time product transactions with optional professional installation services.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

GRAF Australia manufactures and distributes plastic-based water management products for Australian residential, commercial, industrial, and government customers, including underground and above-ground rainwater storage tanks, modular stormwater attenuation and infiltration systems, wastewater treatment plants, grease separators, surface drainage channels, and geotechnical containment membranes. The company complements product supply with end-to-end project assistance covering design, supply, commissioning, and maintenance for commercial and infrastructure projects.

Product overview

GRAF Australia offers a comprehensive water management product portfolio focused on rainwater harvesting, stormwater management, and wastewater treatment solutions. The product line centers on underground storage tanks (Carat, Carat XL, Carat XXL, Platin, Platin XL, Platin XXL ranges) and above-ground tanks (Round, Slimline, Cartage), complemented by modular EcoBloc stormwater systems, infiltration tunnels, grease separators, wastewater treatment systems (oneAdvanced, one2Clean), surface drainage (RECYFIX, SPORTFIX), geotech solutions (Tektoseal Active, Minegrid), and associated accessories including filters and pump stations. The portfolio serves residential, commercial, and industrial customers across Australia with products designed for sustainable water collection, storage, treatment, and dispersal.

Differentiator

Problem solved

Functional benefit

Brands

• GARANTIA: Brand of water tanks and rainwater harvesting products

Products and services

• Carat Underground Tank Range Underground rainwater storage tank series in S, XL, and XXL configurations with capacities from 2,700L to 122,000L, for residential and commercial rainwater harvesting and stormwater management.
• Platin Flat Tank Range Shallow-dig underground rainwater storage tank range with capacities from 1,500L to 65,000L, designed for easy installation in residential and commercial applications.
• EcoBloc Modular Stormwater System Modular stormwater attenuation, infiltration, and retention system including EcoBloc Smart, Light, Maxx, and Flex variants for commercial and infrastructure stormwater management.
• Infiltration Tunnels Underground infiltration systems (Infiltration 130, 300, and 600) for stormwater dispersal and groundwater recharge in commercial and infrastructure projects.
• OneAdvanced Wastewater Treatment Plant Commercial and domestic wastewater treatment system with capacities from 3 to 1,000+ inhabitants, certified with PIA approvals for larger population projects.
• One2Clean Septic System Compact residential wastewater treatment unit using sequential batch reactor technology, including the PIA-certified One2Clean Xtra variant.
• Carat Septic Tank Underground septic tank system with optional baffle for off-mains residential wastewater treatment.
• Grease Management Systems Grease separation range including Greasebuster, Sapphire, SC Arrestor, and undersink solutions for commercial kitchens and food service operations.
• Oil Water Separator Trade waste pre-treatment unit for separating oils from industrial wastewater in commercial and industrial operations.
• Tektoseal Active Geomembranes Active geomembrane filtration media for containment and treatment of heavy metals, oils, organics, and PFAS in contaminated water.
• Minegrid Geogrid Geotechnical grid system for soil reinforcement and stabilization in civil and mining applications.
• RECYFIX Surface Drainage Channels Range of channel drainage systems including RECYFIX HICAP F, MONOTEC, NC, PRO, and STANDARD models, plus Drainfix Clean RNC and KERBFIX for surface water management.
• SPORTFIX Sports Surface Drainage Sports facility drainage system including channels, sand traps, hurdles, and soft kerbs designed for athletic facilities.
• Pump Stations Pump station solutions for moving water in residential and commercial water management systems.
• Above-ground Rainwater Tank Range Above-ground tank family including Round cylindrical, Slimline space-saving, and Cartage portable tanks for outdoor residential and commercial installations.
• Project Assistance Services End-to-end design, supply, commissioning, and maintenance services for commercial, industrial, and infrastructure water management projects across Australia.

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

One partnership is on record.

• Otto Graf GmbH (GRAF Germany HQ)flagshipStrategic or Co-development PartnerOtto Graf GmbH is the parent company and manufacturing headquarters for GRAF Australia. Based in Teningen, Germany (Carl-Zeiss-Str. 2-6, DE-79331), the German parent company provides manufacturing expertise, product designs, and quality standards. The company philosophy emphasizes turning plastic waste into plastic water treatment products. GRAF Australia operates as a subsidiary (ABN: 16159402178, HRB Freiburg 260184) with autonomous Australian operations including local distribution and customer service.

Scale indicators1 record

Recent moves5 records

Expansion highlights6 records

Direct peers

• Kingspan Water & Energy: Global manufacturer of rainwater harvesting tanks and water storage systems with established Australian distribution, competing head-on with GRAF's Carat, Platin, Round, and Slimline tank ranges in residential and commercial segments.
• NDS (NDS, Inc.): US-headquartered stormwater management solutions manufacturer with broad portfolio of drainage, infiltration, and stormwater capture products; comparable to GRAF's EcoBloc and infiltration tunnel systems.
• Hauraton: German drainage channel manufacturer with global reach whose products appear in GRAF's own design tools section; competes directly with RECYFIX and SPORTFIX surface drainage channels in Australia and globally.
• Bushman Tanks: Australian manufacturer and distributor of rainwater tanks and water storage solutions serving residential and commercial customers; competes directly with GRAF's residential above-ground tank portfolio.
• ACO Pty Ltd: Leading manufacturer of surface drainage channels, stormwater management products, and oil-water separators with significant Australian presence; directly comparable to GRAF's RECYFIX surface drainage and trade waste product families.
• Tankworks Australia: Australian rainwater tank and water storage specialist serving residential, commercial, and rural customers with polyethylene tanks; competes with GRAF in same residential segments across mainland Australia.
• Biolytix: Australian decentralized wastewater treatment and water recycling systems provider; comparable in target customer and technology to GRAF's One2Clean and OneAdvanced wastewater product lines for off-grid and commercial applications.
• Wavin Australia: Major plastic piping and water management solutions manufacturer serving infrastructure and building markets with stormwater, drainage, and water supply products, broadly comparable to GRAF's plastic water infrastructure portfolio.
• Aquatec Equipment: Australian wastewater treatment systems and water recycling equipment supplier serving commercial, industrial, and residential segments; product line overlaps directly with GRAF's OneAdvanced and One2Clean wastewater treatment systems.

Broad incumbents

• Reliance Worldwide Corporation: Australian-listed global water management products manufacturer with broad portfolio in plumbing, water control, and water infrastructure; overlaps thematically with GRAF's water management category but operates at materially larger scale across more geographies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/GrafAustralia
• LinkedInlinkedin.com/company/graf-au

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 GRAF Australia