Technology often improves personal efficiency, but it also has the power to make nearly everything more efficient. As climate change starts taking its toll on the planet and the population continues to balloon, reducing our energy use and replacing it with cleaner alternatives is vital. These Boston tech companies are helping to improve efficiency with technology.
Top Greentech Companies in Boston
- Sungage Financial
- EnergySage
- Take Utility
- Solstice
- Spoiler Alert
- Indigo
Top Greentech Companies in Boston
Founded: 2015
Focus: Food Waste and Surplus Inventory Management
What they do: Spoiler Alert provides inventory management software that helps food and beverage companies divert surplus inventory away from landfills. The platform connects manufacturers and distributors with liquidation channels and non-profit organizations to handle unsold stock. By automating discount sales and food donation, Spoiler Alert recovers product value while reducing waste throughout the supply chain.
Founded: 2011
Focus: Solar Financing
What they do: Sungage Financial provides long-term loans that lower the financial barrier to residential clean energy installations. Homeowners and contractors access these funding tools to spread the costs of solar panels and property energy upgrades over multi-year payment plans. Through partnerships with capital investors, Sungage Financial also funds residential projects without requiring large upfront cash payments.
Founded: 2014
Focus: Community Solar Access
What they do: Solstice, now part of Perch Energy, connects households and businesses to shared solar farms. The company finances and manages community solar projects, allowing residents and organizations to benefit from nearby renewable energy generation and reduce reliance on fossil fuels. Solstice’s solutions expand access to solar power for many Americans who cannot install rooftop systems.
Founded: 2009
Focus: Clean Energy Marketplace
What they do: EnergySage runs a comparison shopping website built for property owners researching solar equipment and installation services. Consumers submit project details to receive side-by-side bids from pre-screened local contractors. Beyond consumer matching, EnergySage aggregates platform sales data to publish national benchmarks on equipment pricing and market trends.
Founded: 2014
Focus: Propane Tank Monitoring and IoT
What they do: Tank Utility manufactures wireless monitoring hardware that attaches to fuel tanks to measure liquid levels automatically. The connected app notifies residents when fuel drops, replacing manual gauge checks and guesswork. And fuel distributors use Tank Utility’s continuous volume readings to plan delivery schedules and dispatch trucks only when tanks need refilling.
Founded: 2013
Focus: Sustainable Agriculture and Soil Health
What they do: Indigo uses natural microbiology and digital technologies to improve farmer profitability and environmental sustainability. The company works with farmers to enhance soil health and reduce carbon emissions through regenerative agriculture practices. Indigo also sells carbon removal credits from soil carbon sequestration, including a deal with Microsoft announced in January 2026.
