Top Greentech Companies in Boston, MA (70)
Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...
Perk's Top Stability & Growth Strengths
Strong Revenue Growth: Company disclosures cite strong year-over-year revenue growth in 2025 with annualized revenue surpassing $300M, and later coverage describes revenue nearing $400M annualized in 2026. This points to rapid scaling from 2023 through 2026.
Investor Backing & Capital Strength: Recent financings include a $200M Series E at a $2.7B valuation and a $300M private credit facility, with third-party trackers noting over $1B raised across multiple rounds. This capital base is positioned to fund continued product and geographic expansion.
Market Expansion: The company launched its Spend product in the U.S. and indicated the market already represents a substantial share of new business, while also opening new international locations. These moves signal broadening global reach and demand.
Our software predicts how much energy homes will use and helps builders design and build more energy efficient homes. Our software is also used to verify compliance with dozens of energy codes, programs and to share information with homeowners. Our Home Energy Rating Software is the most widely used in the US, used on 1 in every 4 new homes. This...
Ekotrope's Top Stability & Growth Strengths
Strong Market Position & Advantage: Ekotrope is positioned as the most widely used HERS rating software in the U.S., supporting roughly 1 in 4 new homes and serving 7,000+ builders with 400,000+ homes per year. Penetration spans hundreds of HERS rating companies and more than 40 utility new‑construction programs.
Investor Backing & Capital Strength: An $11M financing in October 2025, bringing tracked cumulative funding to about $15.9M, underscores continued capital support for expansion. Multiple independent profiles indicate the company has raised additional capital over time rather than a single one‑off event.
Product Line Growth: The company has expanded beyond its core RATER tool into Market Intelligence data products and solutions for utilities, builders, manufacturers, and lenders. Release history shows major version updates (e.g., Version 5.0 in 2025 with additional releases in 2026), indicating an active roadmap.
Founded in 2013 with a vision to eliminate the need for single-use bottles and cans, Bevi is redefining how beverages are delivered in commercial spaces. Best known for its Smart Water Cooler®, Bevi has grown into the leading connected beverage platform, combining hardware, data, and beverage innovation to deliver still, sparkling, flavored, and enhanced drinks on demand. Powered by real-time...
Bevi's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is reported to have surpassed the $100 million annual mark with continued year-over-year gains. Feedback suggests momentum is reinforced by growth in newer verticals such as education and hospitality.
Market Expansion: The company extended its footprint from North America into the UK and Ireland and broadened placements beyond offices into campuses, hotels, gyms, warehouses, and other venues, while scaling to more than 6,000 customers. Feedback suggests international entry and vertical diversification are driving a larger installed base and usage milestones such as surpassing one billion single-use containers avoided.
Product Line Growth: The offering advanced from smart water coolers to a connected beverage platform, adding functional enhancements and a better-for-you soda line alongside new countertop hardware. Feedback suggests the expanded menu increases relevance across more locations and upsell potential within existing accounts.
REsurety provides software and services to support both the financial and sustainability goals of clean energy buyers, sellers, and investors, as well as operating the only marketplace for clean energy. Our software and services offer data-driven insights at various stages of the project lifecycle, from initial exploration to portfolio management. Our services leverage our domain expertise and deliver solutions tailored...
Community Solar: The Easiest Way to Tap into Clean Energy We’re bringing clean energy to homeowners and communities everywhere, and helping them save up to 15% on electricity costs without installing rooftop solar panels.
Veolia UK (part of the Veolia group) provides environmental services including water and wastewater treatment, waste and resource management, and local energy solutions. The company designs decarbonization and resource-regeneration solutions for municipal and industrial customers, focusing on sustainability, pollution control and efficient management of critical resources.
At 424 Capital, we believe in aligning our personal values with our investments. At the core of our ethos is the mission of using our resources to build companies that are making a positive difference in the world. We look for investments with order of magnitude opportunity, and support accelerated growth for companies on a mission. The strategies we develop...
Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and regions. With 215,000 employees across five continents, working closely with local communities, and thanks to its cutting-edge technologies, the group cleans up pollution, reduces carbon emissions, and regenerates resources through concrete solutions that combine...
Veolia's Top Stability & Growth Strengths
Profitability: Profitability is rising, with EBITDA up 6.3% in 2025 alongside a 70 bps margin expansion and further EBITDA and margin gains in the first half of 2026. Guidance was raised to at least +8% current net income growth for 2026, signaling continued momentum.
Market Expansion: Market expansion is evident in North America, where the 2026 Clean Earth acquisition doubled the U.S. hazardous‑waste business and lifted pro forma U.S. revenue to about $6.3B with targeted synergies. Additional moves such as the Icetec acquisition and a new Boston HQ reinforce the scale‑up under the GreenUp strategy.
Strong Market Position & Advantage: Strong market position is reinforced by repeated No. 1 rankings on ENR’s Top 200 Environmental Firms and characterizations as the world’s largest environmental‑services company. The post‑Suez combination and faster‑growing boosters in water technologies and hazardous waste further consolidate this advantage.
ERM (Environmental Resources Management) is a global sustainability consultancy that helps organizations navigate environmental, social, and governance (ESG) challenges. ERM provides advisory and technical services across sectors—energy, mining, infrastructure, manufacturing and finance—supporting decarbonization, regulatory compliance, risk management, and sustainability strategy and implementation through technical, engineering and strategic consulting worldwide.
HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm. Led by the strength of our values and a culture shaped by employee ownership, we network with each other, build on each other’s contributions, and collaborate together to make great...
Clean Air Task Force is a U.S.-based nonprofit that advances technologies and policies to reduce carbon emissions across the economy, aiming for a zero-emissions, high-energy planet at an affordable cost.
Zipcar is the world’s leading car-sharing network, found in urban areas and university campuses in more than 500 cities and towns. Our team is smart, creative and fun, and we’re driven by a mission – to enable simple and responsible urban living. Being a Zipcar member gives you easy access to a car nearby without all the cost and hassle...
ThinkLite is a global lighting efficiency company that custom designs, manufactures, distributes, and installs energy efficient retrofit solutions to commercial customers and governments. Our efficient lighting products leverage proprietary LED technologies that specifically adapt to existing infrastructures. We are headquartered in Natick, MA.
Emerald Technology Ventures is a global venture capital firm focused on sustainable industrial innovation. Founded in 2000, it invests in startups addressing climate change and sustainability, including water efficiency, smart packaging, transport electrification, energy, and industrial automation. The firm partners with entrepreneurs, corporations, institutional investors, and governments, managing and advising more than €1 billion in assets while seeking financial returns...
Finally develops home lighting systems, intended to create high-quality and energy-efficient bulbs.
GRAIN Ecosystem is a Boston and Montreal based start-up backed by Schneider Electric, a French multinational company committed to sustainability. Our mission is to stop global warming by accelerating our planet’s path to decarbonization. By simplifying the process of removing carbon from the earth’s atmosphere, we can empower carbon project developers to do more. We combine business and science to...
Manus Bio is an industrial biotechnology company that uses engineered microbial cell factories, fermentation, and biomanufacturing to produce sustainable alternatives to ingredients, materials, and chemicals traditionally sourced from crops, petrochemicals, or animal products. Its portfolio includes monk fruit and stevia sweeteners, as well as bio-based flavor and fragrance ingredients, helping food, beverage, and other manufacturers improve supply security and reduce...
The age of solar has arrived. With prices falling by 80% in less than a decade, solar power is now within reach of every American household. Here’s the problem: 90 million American households are currently locked out of the solar marketplace. Maybe it’s because they rent their homes. Or other solar companies are not willing to sell to them. Or simply because...
PowerDash is a SaaS platform for the management and monitoring of alternative energy installations. Using data from energy systems such as solar photovoltaic inverters and meters, our platform provides visualization, analytics, alerts, and independent verification of energy performance. We serve thousands of installations across the US.
Indigo improves grower profitability, environmental sustainability, and consumer health through the use of natural microbiology and digital technologies. Utilizing beneficial plant microbes and agronomic insights and working across the supply chain, Indigo is forwarding its mission of harnessing nature to help farmers sustainably feed the planet.
































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