July 2026
Largest ClimateTech Public Companies in Australia
Benchmark revenue and EBITDA valuation multiples for public comps like
Cleanaway, Hansen Technologies, Calix, Environmental Clean Technologies and The Environmental Group.
 | Cleanaway Waste Management is Australia’s largest waste management business with a national footprint in the collection and disposal of waste. It is active in municipal and commercial and industrial waste stream segments and in nonhazardous and hazardous liquid and medical waste. While Cleanaway is allocating greater capital to waste processing and treatment, earnings remain skewed toward waste collection. The company is particularly strong in commercial, industrial, and municipal waste collection with strong market share in all large Australian metro waste collection markets. | $2 | -19% | $3.7B | $5.3B | 2.0x | 10.4x | ||
| Hansen is a technology company providing software and services to the energy and utilities and communications sectors throughout the developed world. Hansen’s products primarily relate to billings and adjacent functions, such as customer quotes, order capture, customer data management, and customer service. Additionally, Hansen has products assisting companies with developing new products, fulfilling orders, and managing various other operational processes. | $3 | -29% | $621M | $669M | 2.5x | 8.8x | ||
| Calix Ltd is an Australian technology company. The company's patented core platform technology delivers efficient indirect heating of minerals to enable the electrification of industries, efficient capture of unavoidable CO2 emissions, and green industrial processing solutions. Its core technology platform includes the Calix Flash Calciner (CFC). The group operates in three business segments, namely: Leilac (CO2 mitigation), Sustainable Processing, and Magnesia. It has operations in Australia, New Zealand, Asia, Europe, and the United States of America. The company generates the majority of its revenue from Magnesia. | $0 | -31% | $60M | $54M | 2.4x | (6.9x) | ||
| Environmental Clean Technologies Ltd is engaged in investment, research, development, and the commercialisation of technologies that bridge the gap between today’s use of low-grade and waste resources and tomorrow’s zero-emissions future, with an emphasis on producing low-emission, net-zero, and carbon-negative products for the agriculture, industry, and energy sectors. Its activities include: continuing to develop the COLDry Commercialisation Project at Bacchus Marsh (BM Project); developing commercial opportunities for the company's commercial site at Yallourn; and managing the development of, and extracting value from, the group's intellectual property and potential new opportunities. Its projects are the COLDry Commercial Demonstration and Coldry Fertiliser Project. | $0 | -- | $33M | $34M | 188.7x | (11.5x) | ||
| The Environmental Group Ltd is a facility service and environmental solutions company. Its principal activities are the design, application, and servicing of gas and vapor emission control systems, inlet and exhaust systems for gas turbines and engineering services, and water treatment, service, and maintenance of commercial boilers and engineering services, to a wide variety of industries. Its operating segments include EGL Clean Air TAPC, EGL Clean Air Airtight, EGL Energy, EGL Turbine Enhancement, EGL Waste, and others. It generates the majority of its revenue from the EGL Energy segment. | $0 | -66% | $25M | $33M | 0.4x | 4.6x | ||
| Dotz Nano Ltd is involved in developing, manufacturing and commercializing innovate solutions addressing world-wide environmental and industrial challenges, utilizing its carbon-based nano technologies. The Group two areas of focus are: In-product tagging solutions for anticounterfeiting and monitoring for the oil & gas and chemicals sectors; and Carbon-based sorbent technology for industrial decarbonization and sustainability. | $0 | -28% | $17M | $19M | 67.9x | (2.9x) | ||
| Median | $0 | -29% | $47M | $44M | 2.5x | 0.8x |
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