Top Greentech Companies in Edinburgh (8)
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.
We are an international, integrated consultancy of engineers, designers and advisers. For over 45 years, we have built an unrivalled reputation by delivering creative, value-led solutions for the benefit of people, places and planet. Described by our clients as ‘passionate’, ‘innovative’ and ‘collaborative’, Buro Happold is synonymous with the delivery of exceptionally complex projects on every continent, working with the world’s leading architectural practices...
At British Gas we’re always looking at new ways to save energy and money for our customers. Everything we do from our trusted engineers to helpful call centre agents, and innovative product owners to digital marketing specialists, is about providing affordable, hassle-free service to keep British homes and businesses running smoothly. That’s why over 10 million UK homes and half...
SeaWarm provides a means to access the unlimited thermal resource of the sea with our novel water source heat collectors. Our technology provides a secure heat source making the most of consistent seawater temperatures when heating is needed most and helping businesses and residents reduce energy bills and carbon emissions.
Zenergi is an award-winning energy and environmental consultancy that provides expert advice and support for businesses aiming for net zero, specializing in energy procurement, contract management, and carbon reduction solutions.
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.
Nuada is a vertically integrated pure-play carbon capture company that is poised to decarbonise heavy industries through its next generation point-source capture technology. We have combined advanced solid adsorbents (Metal Organic Frameworks or MOFs) with proven vacuum swing technology to vacuum CO2 out of industrial emissions through a “heatless” and solvent-free process. The use of pressure instead of heat represents...















