Best Energy Efficiency Tech Companies in Sydney, Australia
The 38 best Energy Efficiency Tech companies in Sydney, Australia in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Willow.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in Sydney
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Willow Provider of a SaaS and AI-driven digital twin platform for commercial spaces | $110M | 44 mo ago | Series A | Joshua Ridley Co-Founder | 2017 | WordPressApple iCloud MailMySQL+24 | 1 award |
| 2 | CIMET Provider of white-label platform for customer experience management | $27M | 54 mo ago | Series B | Ankit Jain Founder & CEO | 2016 | Apple iCloud MailMicrosoft 365Node.js+14 | — |
| 3 | CIM SaaS & AI-driven building analytics platform for commercial properties | $10M | 47 mo ago | Series A | David Walsh Founder & CEO | 2015 | WebflowGSAPMicrosoft Clarity+21 | — |
| 4 | Switch Automation Provider of IoT and SaaS-driven building energy management solutions | $9M | 77 mo ago | Series A | Deb Noller Co-Founder & CEO | 2012 | — | — |
| 5 | Wattwatchers SaaS and IoT-based meter energy consumption monitoring devices | $9M | 59 mo ago | Series B | Gavin Dietz CEO & MD | 2007 | WordPressMySQLPHP+35 | — |
| 6 | Lleaf Provider of light diffusers for indoor farms and greenhouses 6Funding bottom 46%Global bottom 38%Market bottom 20% All 3 signals ▾Fundingbottom 46% Globalbottom 38% Marketbottom 20% Funding: Raised $3.5M across 1 rounds · 1 rounds over 4 yrs (0.2/yr) Global: Investors from 3 countries beyond Australia rank vs industry peers · Fliar Intelligence Index 6/100 | $4M | 48 mo ago | Seed | — | 2016 | — | — |
| 7 | Objective Enterprise content management and data governance solution | $647K | 140 mo ago | Public | — | 1987 | Craft CMSSentryApple iCloud Mail+28 | — |
| 8 | BeforeYouBid SaaS-driven building inspection services | — | 74 mo ago | Series A | Rhys Rogers CEO | 2015 | — | 3 awards |
| 9 | Envizi Energy intelligence for utility customers, meter monitoring | — | 89 mo ago | Acquired | — | 2004 | — | — |
Top 10 Energy Efficiency Tech companies in Sydney
#1
Series A · Sydney, New South Wales · founded 2017 · 321 employees$109.7Mraised▾
Provider of a SaaS and AI-driven digital twin platform for commercial spaces. It offers services such as project designing, 3D model creation, digital engineering, maintenance manuals with sensor IoT data, creating smart building features, and more. The solution enables users to perform predictive maintenance, track maintenance requests, get access to energy consumption data, analyze it, and more. It also offers community management solutions such as booking common facilities, inventory management, sending notifications, tracking & responding to tenant requests, and emergency management, among others.
- Dec 2022Angel$28.8M
- Sep 2021Series A$43M
- 2019Series A$37.9M
#2
Series A · Sydney, New South Wales · founded 2015 · 82 employees$9.7Mraised▾
SaaS & AI-driven building analytics platform for commercial properties. The platform provides users with machine learning and building intelligence technology for analyzing the performance of buildings. Solutions are provided for industries including commercial, retail, manufacturing, and more. Features include operation management, tenant management, portfolio management, asset management, energy management, maintenance management, and more.
- Sep 2022Series A$6.7M
- Mar 2017Series A$3M
#3
Series B · Sydney, New South Wales · founded 2016 · 80 employees$26.6Mraised▾
Provider of white-label platform for customer experience management. The platform provides a real-time dashboard for automated marketing, concierge assistance, and enables customizing websites. It also provides an end-to-end digital comparison platform using an automated system to reduce conversion times and offers personalized rewards and loyalty.
- Mar 2022Series B$26.6M
#4
Seed · Sydney, New South Wales · founded 2016 · 5 employees$3.5Mraised▾
Provider of light diffusers for indoor farms and greenhouses. It offers luminescent diffusers to deal with the issue of growth, yield, and crop control. Its products are designed to increase the photosynthesis activity of plants and crops. It is also used to stimulate phytochromes. It is mainly used for fruits, flowers, and aquatic plants.
- Sep 2022Seed$3.5M
#5
Series B · Sydney, New South Wales · founded 2007 · 24 employees$9.3Mraised▾
SaaS and IoT-based meter energy consumption monitoring devices. Enables real-time monitoring and control of electrical circuits over the internet. It can be used for residential, commercial and industrial, and utility applications.
- Sep 2021Series B$5.3M
- Dec 2019Grant (prize money)$2.7M
- Aug 2017Series A$2M
- Apr 2017Series A$2M
#6
Series A · Sydney, New South Wales · founded 2012 · 62 employees$9.5Mraised▾
Provider of IoT and SaaS-driven building energy management solutions. It offers the integration of energy metering devices, HVAC, lighting, and other electrical and mechanical sub-systems in buildings to a cloud-hosted building management system for real-time monitoring and controlling. Its applications are in financial services, retail, grocery, and commercial real estate.
- Apr 2020Series A$5M
- Apr 2018Series A$3.2M
- Jan 2016Seed—
- Feb 2015Seed$1.2M
#7
Public · Sydney, New South Wales · founded 1987 · 347 employees$647.2Kraised▾
Enterprise content management and data governance solution. The products offered are ECM to gather, archive, analyze documents, collaborate, secure sharing and produce legislative documents, review, assess, measure and manage complex plans, maps and images, electronic plan reviews for building compliance, policy building, facilitate project management, social collaboration tools, and more.
- Jan 2015Grant (prize money)$647.2K
#8
Series A · Sydney, New South Wales · founded 2015 · 26 employees—raised▾
SaaS-driven building inspection services. Provides solutions for inspectors, property managers, buyers, agents, and more. Offers solutions including building & pest inspection, pool inspection, contract review, and more.
- Jun 2020Series A—
#9
Acquired · Sydney, New South Wales · founded 2004 · 70 employees—raised▾
Envizi (fka Carbon Systems) provides a suite of hosted energy management systems. It consolidates interval meter data from utility meter providers and sub-metering systems to simplify and standardize monitoring of electricity, gas and water use at a granular level. It partners with utilities to offer their customer better insights about utility expense based on smart meter data.
- Mar 2019PE—
#10
Deadpooled · Sydney, New South Wales · founded 2007—raised▾
COzero offers cloud-based energy management solutions for commercial buildings. The EnergyLink product is a cloud based platform that maps customers’ baseload energy consumption and uses neural networks to target issues and identify energy efficiency opportunities to decrease energy consumption and costs. As per the company claims it has demonstrated electricity savings from five to 30 per cent. The product has already been deployed at thousands of sites within Australia including Stockland, Mirvac, Novotel and the Sydney Theatre Company. In Dec 2016 it announces its first major multi-million dollar international deal with Japan’s ENNET Corporation.
- Sep 2013Series A—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time flat
Funding & growth over time
funding flat · growth rising
How research on Energy Efficiency in Sydney is moving
A read on the academic research around Energy Efficiency in Sydney — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 134 papers.
- UNSW Sydney66
- University of Technology Sydney38
- University of Sydney18
- The University of Sydney16
- Western Sydney University7
- Energy management2→7
- Energy management system1→3
- Energy (signal processing)1→3
- Electricity1→3
- Smart grid1→3
- Energy management4→12
- Energy management system4→11
- Microgrid1→8
- Passive cooling3→9
- Photovoltaic system2→6
- Passive cooling4
- Heat pump3
- Overheating (electricity)3
- Air conditioning2
- Microgrid2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.