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Top Greentech Companies in Boston, MA (71)

Ekotrope
Cloud • Greentech • Information Technology • Software • Energy
Boston
37 Employees
34 Benefits Hiring Now
Ekotrope makes Energy Efficiency Easy!

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...

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Ekotrope

Ekotrope's Top Stability & Growth Strengths

Strong Market Position & Advantage: Market presence is described as dominant in its niche, with RATER reportedly used for nearly 80% of U.S. HERS ratings and modeling about one in four new homes, alongside milestones surpassing one million submissions. Accreditation by RESNET and a strategic agreement with the International Code Council underscore an entrenched position across residential energy-code and rating workflows.

Investor Backing & Capital Strength: Capital access is reinforced by a reported $11 million financing round in October 2025, bringing tracked funding to roughly $16 million. This influx is presented as supporting hiring, product development, and market expansion.

Product Line Growth: Offerings have broadened beyond core HERS rating to utility-program administration, market intelligence, inspections, and code-compliance tools. Recent approvals such as Florida’s 2026 energy-code pathways and named wins with production builders point to added use cases and cross-sell potential.

Bevi
Greentech • Hardware • Healthtech • Internet of Things
City of Boston
252 Employees
66 Benefits Hiring Now
Join us on our mission to unbottle the future!

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...

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Bevi

Bevi's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is described as rising rapidly in recent coverage and company updates, indicating sustained top-line momentum. Independent reporting alongside company milestones points to continued acceleration.

Market Expansion: The company has expanded beyond North America into the UK and Ireland and is gaining traction in segments like higher education, hospitality, and multifamily. Geographic and vertical expansion indicate a broader addressable market and increasing commercial reach.

Product Line Growth: New offerings such as better-for-you sodas, sports and energy drinks, and upgraded dispenser formats signal active portfolio expansion. This broader platform approach is designed to deepen usage across the installed base and attract additional customers.

Perk
Artificial Intelligence • Fintech • Greentech • Sales • Software • Travel • Hospitality
11 Offices
1,800 Employees
86 Benefits Hiring Now
Perk: the intelligent platform powering real work.

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...

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Perk

Perk's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is rising at a reported 48% in 2025, with annualized revenue surpassing $300 million and nearing $400 million by August 2026. These figures indicate rapid scaling at a substantial revenue base.

Product Line Growth: The platform has expanded beyond business travel into expenses, invoices, corporate spending, and events, reinforced by the Yokoy acquisition. This broader offering increases opportunities to sell additional services to existing customers.

Market Expansion: Geographic reach is widening, including the U.S. launch of Perk Spend and growth initiatives that made the U.S. account for about 30% of global new business. Additional international moves, such as new offices, support continued growth outside the core markets.

Ameresco
Greentech • Energy
4 Offices
1,124 Employees
26 Benefits Hiring Now

Ameresco, Inc. (NYSE: AMRC) is an independent, integrated, comprehensive energy efficiency and renewable energy company that is building a sustainable future with public organizations and private enterprise throughout North America and the United Kingdom. Through energy audits, innovative engineering, utility-scale solar farms and deep energy retrofits, Ameresco applies forward-thinking technology to the challenges of controlling emissions, enhancing energy security and...

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Ameresco

Ameresco's Top Stability & Growth Strengths

Strong Market Position & Advantage: Ameresco is positioned as a top-tier North American ESCO/EaaS provider with federal contracting access (e.g., DOE Gen4 ESPC, U.S. Army ESPC vehicles), third-party recognition, and multiple marquee storage and resiliency project wins that reinforce competitive standing.

Resilient & Sustainable Growth: Revenue increased to $1.93B in 2025 with record quarterly results, backed by a multi‑billion‑dollar backlog and stated multi‑year revenue visibility, indicating durable demand and a long conversion runway.

Diversified Revenue Streams: Earnings mix is shifting toward recurring owned energy assets and long-term O&M, with disclosures indicating these recurring lines now drive a large share of adjusted EBITDA, improving durability versus purely one-off project work.

REsurety, Inc.
Fintech • Greentech • Software • Energy
Boston
64 Employees
59 Benefits Hiring Now
REsurety is a mission-driven organization dedicated to accelerating the world’s transition to a zero-carbon future.

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...

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REsurety, Inc.
Mabbett & Associates, Inc.
Greentech • Professional Services • Consulting • Energy
4 Offices
200 Employees

Mabbett & Associates, Inc. is a leading provider of environmental planning and remediation, environmental compliance, health and safety, and engineering and infrastructure design services. They deliver comprehensive environmental, health and safety, and sustainable energy consulting and engineering design services to various clients.

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Mabbett & Associates, Inc.
Clean Harbors, Inc.
Greentech • Energy • Utilities • Industrial
28 Offices
25,000 Employees
27 Benefits Hiring Now

Clean Harbors is North America's leading provider of environmental and industrial services, offering hazardous and non-hazardous waste management, emergency spill response, industrial cleaning, and recycling services.

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Clean Harbors, Inc.
Spoiler Alert
Enterprise Web • Food • Greentech • Information Technology • Software
Boston
35 Employees
47 Benefits
The industry’s only purpose-built sales and analytics platform designed to digitize discounting processes and bring a fi

Spoiler Alert is a technology company helping food businesses manage unsold inventory. We offer a business intelligence solution that allows organizations to track and analyze the products they are and aren't recovering, as well as a relationship management portal that facilities food donations, discounted sales, and organics recycling initiatives.

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Spoiler Alert
Appalachian Mountain Club
Greentech • Social Impact
4 Offices
450 Employees
11 Benefits

The Appalachian Mountain Club is the nation's oldest conservation and recreation organization, dedicated to protecting, enjoying, and understanding the outdoors through advocacy, education, and land stewardship.

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Appalachian Mountain Club
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Brown and Caldwell
Greentech • Renewable Energy
22 Offices
2,554 Employees
9 Benefits Hiring Now

Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer...

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Brown and Caldwell

Brown and Caldwell's Top Stability & Growth Strengths

Strong Hiring & Retention: Headcount increased from about 2,614 to nearly 2,920 over a multi-year period, and the firm maintains a substantial slate of open roles to support a growing project pipeline. Active recruitment aligns with continued demand for environmental and water infrastructure services.

Strategic Partnerships: Partnerships with platforms like Lantern bring Microsoft-enabled digital tools into water-utility services. Collaborations such as work with the Water Utility Climate Alliance to shape climate-resilient design guidelines reflect a strategy of scaling capabilities through alliances.

Market Expansion: Regional scale-ups—including Pacific team additions and an expanded Chicago office—signal ongoing geographic growth to meet local client needs. A footprint spanning more than 50 locations across North America and the Pacific supports broader state and local expansion efforts.

Acceleron Fusion, Inc.
Greentech • Manufacturing
Cambridge
10 Employees
Hiring Now
Limitless clean energy from muon-catalyzed fusion

Limitless clean energy from muon-catalyzed fusion

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Acceleron Fusion, Inc.
Tank Utility
Greentech
Boston
13 Employees

Tank Utility is a leading provider of remote monitoring services for truck-delivered energy. The company’s solution includes internet-connected tank level monitors, cloud-based software and analytics and white labeled mobile app that streamlines delivery logistics and improves customer retention and engagement. Tank Utility is a venture-backed company founded in 2014 by several employees from a leading demand response and energy intelligence...

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Tank Utility
Vicinity Energy
Greentech • Energy • Utilities
12 Offices
500 Employees
Hiring Now

Vicinity Energy is a U.S.-based district energy provider operating systems that deliver steam, hot water, and chilled water to commercial properties and campuses. Its services support heating, cooling, humidification, and sterilization. The company is also advancing decarbonization through carbon-free eSteam™, produced with industrial-scale electric boilers, heat-pump complexes, and thermal storage, while serving customers across 12 U.S. cities throughout the United...

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Vicinity Energy
Finally Light Bulb
Greentech • Hardware • Energy
City of Boston

Finally develops home lighting systems, intended to create high-quality and energy-efficient bulbs.

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Finally Light Bulb
Zero Homes
Greentech • Internet of Things • Mobile • Software • Energy • Renewable Energy
Somerville
40 Employees

Zero Homes is a technology company providing an end-to-end digital platform that simplifies residential home electrification. The platform supports the planning, purchasing, and scheduling of energy-efficient upgrades, such as heat pumps and electrical panels, using virtual assessments and high-precision design tools to remove the need for in-home sales visits and reduce design costs.

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Zero Homes
WegoWise
Greentech • Energy
Boston

WegoWise provides a web-based utility analytics platform for the building performance industry. Bridging big data and energy efficiency, WegoWise distills large aggregations of energy and water data into actionable information for building owners, managers, energy auditors and energy efficiency programs. This enables them to track, understand and b

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WegoWise
424 Capital
Angel or VC Firm • Greentech • Healthtech • Information Technology • Energy
Wakefield
25 Employees
424 Capital is a Boston-based boutique growth capital partner that empowers companies to stand out and make a difference

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...

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424 Capital
Autonomous Marine Systems
Greentech • Hardware • Robotics
Somerville
Deploy data acquisition platforms to help understand, protect, and exploit marine resource.

Autonomous Marine Systems designs and produces autonomous ocean surface craft for long-duration offshore data acquisition missions.

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Autonomous Marine Systems
Form Energy
Greentech • Energy
4 Offices
577 Employees
29 Benefits Hiring Now
Energy storage for a better world.

Form Energy is an American energy storage technology and manufacturing company that is developing and commercializing a pioneering iron-air battery capable of storing electricity for 100 hours at system costs competitive with legacy power plants. Form’s multi-day battery will reform the global electricity system to reliably run on 100% low-cost renewable energy, every day of the year.

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Form Energy
CloudSolar
Greentech • Energy
Boston

CloudSolar is a revolutionary new company with the aim of providing clean solar energy to everyone, regardless of where they live or how much roof space they have. We will construct numerous solar farms and allow investors to own individual panels and receive the revenue from the electricity generated, or use it to offset their own energy consumption.

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CloudSolar

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