sustainability-reporting
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Deem and the art of making rules disappear
A travel policy can negotiate a wonderful hotel rate. It cannot make an employee book it. Deem’s business rests on closing that small, expensive gap.
VOX Global and the Tiny Audience That Matters Most
Most agencies chase reach. VOX Global starts by finding the few people whose opinions can move a policy, a reputation or an institution - then engineers the route to them.
The $3,000 Firm That Learned to Play Offense
Dix & Eaton spent seven decades protecting corporate reputations. Then a longtime partner asked a dangerous question: what if the defenders learned to sell growth, too?
The PR Firm Its Client Decided to Buy
For years, Buchanan advised WPP. Then WPP paid up to £15 million to own it. Four decades later, the little City specialist is testing whether boutique judgment can travel on a global network.
Updapt Wants to Put ESG’s Paperwork to Work
Everstone uses Updapt to monitor more than 185 sustainability KPIs. The software company’s bigger bet is that the same data can help businesses decide what to change next.
ESG Book Wants to Turn the Sustainability Questionnaire Into a Shared Ledger
The old ESG market sold answers in black boxes. ESG Book is betting that banks and companies would rather see the workings - and fill out the form only once.
Novata Wants to Turn Private-Market Sustainability Data Into Something Investors Can Actually Use
Private companies were asked to prove their climate and social claims with tools built for accounting by email. Novata’s bet is that one shared data layer - backed by benchmarks, carbon math and human advisers - can turn that annual scramble into useful business intelligence.
CarbonCents Is Betting Facilities Chiefs Want Lower Bills Before Loftier Carbon Promises
The Clemson-born startup found a practical way into the climate-software market: make scattered building data useful to the people paying the utility bills. Now it is testing whether one dashboard can stretch from boiler rooms to boardrooms.
The 30-Hour Spreadsheet That Built a Climate Startup
Trucking is the biggest carbon line item in almost every supply chain - and until recently, most carriers reported it by hand. Celine King built software to do it in seconds, and sold it to an industry that hates change.
Avarni
Nobody put 'mandatory climate disclosure' in your finance team's job description. Avarni makes carbon accounting the least painful thing on your FY26 plate. It's expert-guided, software-powered, and done in weeks. Audit-ready, or we keep working.
Fair Supply
Fair Supply is a Sydney-based ESG risk-intelligence SaaS company that maps global supply chains up to 10 tiers deep. Founded in 2019 by human rights lawyer Kimberly Randle and industrial mathematician Dr Arne Geschke, it uses a Multi-Regional Input-Output (MRIO) methodology across more than 60 billion mapped supply-chain connections to help companies and investors measure and manage modern slavery, Scope 1-3 carbon emissions, biodiversity and water-use risk. Dubbed the 'Google for ESG', it turns a supplier list and annual spend into auditable, regulation-aligned risk reports.
Pathzero
Pathzero is a Sydney-based climate-tech company that builds a unified software platform for financial institutions to measure, share and disclose carbon emissions across public and private markets. Its data-sharing network connects asset owners with more than 500 fund managers, giving investors direct-from-source, audit-ready emissions data where information has historically been hardest to obtain - private markets. Founded in 2020 inside the Antler incubator, Pathzero has grown into what it describes as the world's largest private-markets carbon emissions data network.
REDEX
REDEX is a Singapore-based climate-tech company that runs Asia's leading marketplace and management platform for Renewable Energy Certificates (RECs). Its digital ecosystem covers the full REC lifecycle - asset registration, production verification, marketplace trading and retirement - helping renewable generators monetize their output and helping corporates cut Scope 2 emissions and meet ESG targets. Backed by a $10M Series A led by Aramco Ventures, REDEX combines a blockchain-enabled public ledger, an I-REC-integrated trading system and corporate tools to make cross-border green-energy claims transparent and verifiable.
Gravity
Gravity (formerly Gravity Climate) is a San Francisco-based enterprise software company that combines carbon accounting and energy management in a single platform built for industrial businesses and their supply chains. Founded in 2022 by Saleh ElHattab, the company automates the collection of utility and emissions data, generates audit-ready Scope 1, 2, and 3 disclosures, and runs a marketplace that helps customers identify, finance, and implement energy-efficiency projects that cut both costs and emissions. Backed by more than $20M in funding, Gravity works with companies like Autodesk, WM, Geotab, Xometry, and MiddleGround Capital.
Credibl
Credibl is a San Francisco-based, AI-powered ESG and sustainability data management platform that helps companies, banks and investors measure, manage, validate and report environmental, social and governance data. Founded by Qwiklabs founder and ex-Googler Jitesh Shetty, it applies large language models and machine learning to consolidate fragmented sustainability data, detect anomalies and produce audit-ready, one-click disclosures across frameworks like CSRD, BRSR, TCFD, SASB, ISSB and CDP.
Saleh ElHattab
Saleh ElHattab is the founder and CEO of Gravity, a San Francisco-based carbon accounting and energy management platform that helps industrial businesses measure emissions, cut energy costs, and automate sustainability disclosures. A former product leader at Samsara and Salesforce IoT, and a former Eclipse Ventures venture partner, he raised a $13M Series A in January 2025 led by Ansa Capital, bringing Gravity's total funding to more than $20M with customers including WM, Autodesk, and MiddleGround Capital.
Anneli Tostar
Anneli Tostar is the CEO and co-founder of Tangible, a San Francisco software company that helps real estate developers measure, manage, and cut the embodied carbon locked inside the materials they build with. An Oregon-born, Swedish-heritage urbanist who studied anthropology and environmental policy at Harvard and sustainable urban planning at KTH Stockholm, she spent years inside the commercial real estate sustainability world in the UK and US before deciding the industry's spreadsheet-and-Google-search approach to low-carbon materials needed a real platform. She co-founded Tangible with Nicole Granath in late 2021, raised $8.8M, and is on a mission to make choosing low-carbon materials, in her words, stupidly easy.
Clarasight
Clarasight is a New York-based AI platform for enterprise travel and expense. It unifies fragmented data from travel management companies, expense tools, corporate cards and HR systems into a single, AI-ready model, then helps teams automate workflows, forecast budgets, negotiate with suppliers, enforce policy and report on emissions - without ripping out the tools companies already use. Founded in 2021 as Climate Club with a sustainability mission, it rebranded to Clarasight in 2024 as it broadened from carbon planning into the broader operating system for travel and expense leaders. The company raised an $11.5M Series A led by AlleyCorp in April 2026.
Workiva
Workiva is a cloud software company that turns the painful, deadline-driven work of regulatory, financial, and sustainability reporting into a connected, audit-ready process. Founded in Ames, Iowa, in 2008 as WebFilings, its platform links data, documents, and people in real time so finance, risk, audit, and ESG teams can collect, manage, and report critical business data with full version control and traceability. Today Workiva serves more than 6,000 organizations - including a large share of the Fortune 500 - and is layering agentic AI across finance, GRC, and sustainability workflows.