Radar · Energy Efficiency Tech in Berlin
Best Energy Efficiency Tech Companies in Berlin, Germany
The 57 best Energy Efficiency Tech companies in Berlin, Germany in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ecoworks.
By Rohit KhannaTrends & Stories
57companies tracked
$296.9Mdisclosed funding
0unicorns
30have raised
FLIAR INTELLIGENCE · ENERGY EFFICIENCY TECH × BERLIN
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
50companies analysed
86%cloud-native stacks
2025funding peak (by rounds)
4unicorns
2014median founding year
100kcombined LinkedIn audience
35%of audience held by top 3
1companies hiring publicly (12 mo)
Ranked: Best Energy Efficiency Tech companies in Berlin
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ecoworks Provider of serial renovation services for residential buildings and dwellings 62Patents top 16%Innovation top 18%Moat top 21%Funding top 37% All 10 signals ▾Patentstop 16% Innovationtop 18% Moattop 21% Fundingtop 37% Techtop 37% Talenttop 38% Growthtop 45% Globalbottom 42% Marketbottom 36% Newsbottom 22% Patents: 38 patents matched (strict assignee match) · 38 filings since 2022 vs 0 in 2017-21 Innovation: 38 patents (top 10% of patent-holders) · 38 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 62/100 | $81M | 31 mo ago | Series A | 20 | 2018 | Emanuel Heisenberg Co-Founder & CEO | 38 patents Modular building envelope components with integrated photovoltaics and renovation methods | 1 expansion |
| 2 | Thermondo Provider of heating systems, photovoltaics, energy management, and dynamic electricity tariffs | $56M | 104 mo ago | Acquired | 352 352 → 497 (+41%) | 2012 | Florian Tetzlaff Co-Founder | — | — |
| 3 | Metiundo Provider of solutions for collecting consumption data of real estate properties 32Growth top 35%Talent top 38%Moat top 42%Funding top 48% All 7 signals ▾Growthtop 35% Talenttop 38% Moattop 42% Fundingtop 48% Techtop 50% Globalbottom 37% Marketbottom 17% Growth: Fresh capital in last 24 mo Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 32/100 | $47M | 5 mo ago | Series A | 15 | 2021 | Dennis Nasrun Co-Founder & CEO | — | — |
| 4 | Comgy Provider of cloud-based energy data infrastructure for buildings. | $29M | 56 mo ago | Series B | 120 | 2017 | Ruben Haas Co-Founder & Managing Director | — | — |
| 5 | Enter Provider of energy consulting and conveyor services 57Tech top 28%Talent top 28%Funding top 34%Product top 40% All 8 signals ▾Techtop 28% Talenttop 28% Fundingtop 34% Producttop 40% Marketbottom 44% Newsbottom 42% Globalbottom 39% Moatbottom 38% Tech: 48 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 57/100 | $27M | 12 mo ago | Series B | 75 | 2020 | Alexander Mueller Co-Founder & COO | — | — |
| 6 | Purpose Provider of energy advisory & efficiency, cost saving, and other services 48Talent top 28%Tech top 34%Funding top 40%Growth top 45% All 7 signals ▾Talenttop 28% Techtop 34% Fundingtop 40% Growthtop 45% Globalbottom 36% Marketbottom 34% Newsbottom 24% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Tech: 35 technologies across 5/8 capability areas · Cloud: Cloudflare, Vercel rank vs industry peers · Fliar Intelligence Index 48/100 | $18M | 21 mo ago | Series A | — | 2023 | Okitonga Memba Co-Founder & Managing Director | — | — |
| 7 | Kugu Home Provider of energy optimization solutions for real estate and energy sectors 32Talent top 38%Funding top 45%Tech bottom 49%Global bottom 37% All 5 signals ▾Talenttop 38% Fundingtop 45% Techbottom 49% Globalbottom 37% Marketbottom 35% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $9.1M across 1 rounds · 1 rounds over 6 yrs (0.2/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $9M | 20 mo ago | Series A | 32 | 2016 | Leopold Kuttner Co-Founder | — | 1 award |
| 8 | Sensorberg IoT enabled solutions for multi industry applications 53Talent top 22%Growth top 28%Funding top 45%Product bottom 48% All 8 signals ▾Talenttop 22% Growthtop 28% Fundingtop 45% Productbottom 48% Techbottom 47% Globalbottom 39% Marketbottom 35% Newsbottom 22% Talent: Analyst team rating 5/5 · 3 named leaders on record Growth: Headcount 30 → 39 (+30%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 53/100 | $7M | 19 mo ago | Series A | 39 39 → 29 (-26%) | 2013 | Robert Peschke Founder | — | 2 expansions |
| 9 | Envio Systems SaaS & IoT-enabled building energy management solution for property owners & facility managers | $5M | 78 mo ago | Acquired | 62 | 2016 | — | — | — |
| 10 | Heatle Internet first brand offering smart liquid heaters | $4M | 44 mo ago | Seed | 3 | 2019 | — | — | — |
| 11 | Fresh Energy Developer of online building energy management solutions | $4M | 107 mo ago | Seed | 15 | 2017 | — | — | — |
| 12 | Mainteny Provider of an app-based business management solution for elevator maintenance technicians | $3M | 39 mo ago | Seed | 8 | 2020 | Tom Chenna Co-Founder & CEO | — | — |
| 13 | Nomos Provider of dynamic energy efficiency solutions 21Talent top 38%Global bottom 48%Tech bottom 47%Funding bottom 39% All 5 signals ▾Talenttop 38% Globalbottom 48% Techbottom 47% Fundingbottom 39% Marketbottom 25% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Global: Investors from 1 country beyond Germany rank vs industry peers · Fliar Intelligence Index 21/100 | $2M | 20 mo ago | Seed | — | 2023 | Stefan Gerbes Co-Founder & MD | — | — |
| 14 | Basking Cloud-based analytics solutions for co-working space management | $1M | 59 mo ago | Seed | 18 | 2017 | Eldar Gizzatov Co-Founder & CEO | — | — |
| 15 | NOVO Online platform offering energy efficiency solutions for properties | $1M | 33 mo ago | Seed | 4 | 2020 | Mona Horning Founder | — | — |
| 16 | Blok-Z Provider of hourly, location-based Scope 2 emissions accounting and energy matching | $500K | 21 mo ago | Seed | 9 | 2018 | Mohamed Hassan Technical Co-founder | — | — |
| 17 | Crocus Labs Provider of smart LED technology for horticulture, enabling intelligent power conversion and tunable lighting… | $364K | 39 mo ago | Seed | 8 | 2020 | Prashanth Makaram Founder & CEO | 8 patents Advanced LED/quantum‑dot lighting systems for horticultural and photonic applications | 1 partnership |
| 18 | OKOTEC Provider of energy monitoring and management solutions for commercial spaces | $135K | 101 mo ago | Funding Raised | 30 | 1999 | Roland Berger CEO | — | — |
| 19 | autarc Software solutions for heat pumps | $125K | 19 mo ago | Series A | — | 2023 | Etienne-Noel Krause Co-Founder & Managing Director | — | 1 launch · 1 partnership |
| 20 | TuWing Technology solution for reducing vehicle energy consumption | $121K | 95 mo ago | Funding Raised | — | 2016 | Peter Albrecht Managing Director | — | — |
Top 12 Energy Efficiency Tech companies in Berlin
#1
Series A · Berlin, Berlin · founded 2021 · 15 employees$47.5Mraised▾
Series A · Berlin, Berlin · founded 2021 · 15 employees
Provider of solutions for collecting consumption data of real estate properties. It offers property owners all energy (electricity, gas, heat) and water live data of their property portfolio as a service.
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Growth
top 35%Talent
top 38%Moat
top 42%Funding
top 48%Tech
top 50%Global
bottom 37%Growth: Fresh capital in last 24 mo
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Moat: Editorial + unicorn rating 4/10 · Soonicorn · 10 curated direct competitors tracked
Audience (LinkedIn): 3k LinkedIn followers — 3.1% of this cohort's audience
Funding rounds
- Feb 2026Series A$47.5M
- Sep 2023Seed—
Founders & team
Investors
Enpulse, Viega, Octopus Energy Generation
Tech stack
Amazon Web ServicesBootstrapCloudflareCloudflare Bot ManagementCore-JsGoogle Cloud
#2
Series B · Berlin, Berlin · founded 2020 · 75 employees$27.1Mraised▾
Series B · Berlin, Berlin · founded 2020 · 75 employees
Provider of energy consulting and conveyor services
Fliar Intelligence Index™ 57how this company ranks against its industry peers
Tech
top 28%Talent
top 28%Funding
top 34%Product
top 40%Market
bottom 44%News
bottom 42%Tech: 48 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services · Observability: Datadog
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Funding: Raised $27.1M across 8 rounds · 8 rounds over 11 yrs (0.7/yr) · Last round Series B (Jun 2025)
Audience (LinkedIn): 9k LinkedIn followers — 8.5% of this cohort's audience
Funding rounds
- Jun 2025Series B$23M
- Apr 2023Series A$21.3M
- Jan 2023Grant (prize money)$18.4K
- Oct 2022Seed$5.8M
Founders & team
Investors
Foundamental, Europa, Coatue, Target Global, Partech Partners, Noa
#3
Series A · Berlin, Berlin · founded 2023$18.5Mraised▾
Series A · Berlin, Berlin · founded 2023
Provider of energy advisory & efficiency, cost saving, and other services
Fliar Intelligence Index™ 48how this company ranks against its industry peers
Talent
top 28%Tech
top 34%Funding
top 40%Growth
top 45%Global
bottom 36%Market
bottom 34%Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Tech: 35 technologies across 5/8 capability areas · Cloud: Cloudflare, Vercel · Observability: Sentry
Funding: Raised $18.5M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) · Last round Series A (Oct 2024)
Audience (LinkedIn): 4k LinkedIn followers — 3.7% of this cohort's audience
Funding rounds
- Oct 2024Series A$15M
- Oct 2023Seed$3.5M
Founders & team
Investors
Speedinvest, Atlantic Labs, Fifth Wall
Tech stack
CdnjsCloudflareCloudflare Bot ManagementCookiebotCore-JsFacebook Pixel
#4
Series A · Berlin, Berlin · founded 2016 · 32 employees$9.1Mraised▾
Series A · Berlin, Berlin · founded 2016 · 32 employees
Provider of energy optimization solutions for real estate and energy sectors. The company delivers solutions for energy management, including automated heating system control and real-time transparency. It offers submetering solutions that digitalize billing, consumption tracking, and information delivery. The company provides approaches for efficient management, service expansion, and technical process digitization.
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Talent
top 38%Funding
top 45%Tech
bottom 49%Global
bottom 37%Market
bottom 35%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Funding: Raised $9.1M across 1 rounds · 1 rounds over 6 yrs (0.2/yr) · Last round Series A (Nov 2024)
Tech: 19 technologies across 4/8 capability areas · Cloud: Cloudflare · Security: Hsts, Http/3
Audience (LinkedIn): 3k LinkedIn followers — 3.5% of this cohort's audience
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Nov 2024Series A$9.1M
- Feb 2020Seed—
Founders & team
Investors
E.ON :agile, High Rise Ventures, IBB Ventures, Tengelmann Ventures, Gewobag, Wecken & Cie
Tech stack
WebflowJqueryPersonioOpen Graph
#5
Series A · Berlin, Berlin · founded 2018 · 20 employees$81.2Mraised▾
Series A · Berlin, Berlin · founded 2018 · 20 employees
Provider of serial renovation services for residential buildings and dwellings. The company offers digital planning and industrial prefabrication for energy-efficient renovations. It develops solutions with customers and partners, advancing innovation and climate protection. Services include facade elements, energy supply upgrades, and cellar ceiling insulation. The company also provides roof elements with photovoltaic modules, living space expansion, and balcony additions.
Fliar Intelligence Index™ 62how this company ranks against its industry peers
Patents
top 16%Innovation
top 18%Moat
top 21%Funding
top 37%Tech
top 37%Talent
top 38%Patents: 38 patents matched (strict assignee match) · 38 filings since 2022 vs 0 in 2017-21 · Latest publication 2026
Innovation: 38 patents (top 10% of patent-holders) · 38 filings since 2022 vs 0 in 2017-21
Moat: Editorial + unicorn rating 8/10 · IP moat: 38 patents · Soonicorn
Audience (LinkedIn): 13k LinkedIn followers — 13.5% of this cohort's audience
Activity (LinkedIn): 1 expansions announced in 12 mo
Funding rounds
- Dec 2023Series A$43.2M
- Jul 2023Series A$24.3M
- Jun 2022Series A$8.2M
- Sep 2020Grant (prize money)$59.4K
Founders & team
Investors
Surplus Invest, PT1, Wi Venture, Zacua Ventures, Blackhorn Ventures, ALP.X Group
Tech stack
CloudflareCloudflare Bot ManagementCookiebotCore-JsFancyboxGoogle Adsense
#6
Series A · Berlin, Berlin · founded 2013 · 39 employees$6.9Mraised▾
Series A · Berlin, Berlin · founded 2013 · 39 employees
IoT enabled solutions for multi industry applications. The company offers an access hub that can be deployed on doors, locks, elevators, and garages. It enables to control and direct environmental factors, such as room temperature. Additionally, provides a web based management platform for providing insights and analytics. Applications are in the areas of smart workspace, smart living and storage, smart retail, and smart finance.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Talent
top 22%Growth
top 28%Funding
top 45%Product
bottom 48%Tech
bottom 47%Global
bottom 39%Talent: Analyst team rating 5/5 · 3 named leaders on record · 3 C-suite/founder profiles curated
Growth: Headcount 30 → 39 (+30%) across vintages · Fresh capital in last 24 mo
Funding: Raised $6.9M across 1 rounds · 1 rounds over 13 yrs (0.1/yr) · Last round Conventional Debt (Nov 2024)
Audience (LinkedIn): 3k LinkedIn followers — 2.9% of this cohort's audience
Activity (LinkedIn): 2 expansions announced in 12 mo
Funding rounds
- Nov 2024Conventional Debt—
- Oct 2021Series A$6.9M
- Jan 2019Series A—
- Apr 2016Seed—
Founders & team
Investors
WestTech Ventures, Berlin Technologie Holding, XAnge, Bauwens, SIGNA, IBB
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailCloudflareGoogle AnalyticsHsts
#7
Seed · Berlin, Berlin · founded 2023$2.1Mraised▾
Seed · Berlin, Berlin · founded 2023
Provider of dynamic energy efficiency solutions. They provide a platform for hardware companies to launch their own dynamic electricity plans. They offer service such as procurement,billing and more.
Fliar Intelligence Index™ 21how this company ranks against its industry peers
Talent
top 38%Global
bottom 48%Tech
bottom 47%Funding
bottom 39%Market
bottom 25%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Global: Investors from 1 country beyond Germany
Tech: 17 technologies across 3/8 capability areas · Cloud: Amazon Ses, Amazon Web Services · Security: Hsts
Audience (LinkedIn): 2k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Energy Stammtisch
Funding rounds
- Oct 2024Seed$2.1M
Founders & team
Investors
Speedinvest
Tech stack
Amazon SesAmazon Web ServicesHstsNext.JsNext.Js App RouterNode.Js
#8
Seed · Berlin, Berlin · founded 2018 · 9 employees$500Kraised▾
Seed · Berlin, Berlin · founded 2018 · 9 employees
Provider of hourly, location-based Scope 2 emissions accounting and energy matching. The company offers a platform that automates carbon-free energy matching and certificate tracking. It delivers reports and highlights savings opportunities. The platform integrates data and applies grid emission factors to calculate carbon footprint. It provides audit-ready reports and dashboards for verified impact and progress visualization.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 2k LinkedIn followers — 2.0% of this cohort's audience
Funding rounds
- Sep 2024Seed$500K
Founders & team
Investors
Simya, Consensys Labs, Growth Circuit, Türk Telekom Ventures
#9
Series B · Berlin, Berlin · founded 2017 · 120 employees$29Mraised▾
Series B · Berlin, Berlin · founded 2017 · 120 employees
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LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 3.8% of this cohort's audience
Activity: 1 partnerships (incl. Comgy) announced in 12 mo
Funding rounds
- Nov 2021Series B$29M
- Jan 2021Seed—
Founders & team
Investors
Swiss Life Asset Management, Ricus Capital, BonVenture, SIGNA, EWE, MOMENI Group
Tech stack
WebflowWeglotJsdelivrJqueryGoogle Tag ManagerOpen Graph
#10
Acquired · Berlin, Berlin · founded 2012 · 352 employees$56.3Mraised▾
Acquired · Berlin, Berlin · founded 2012 · 352 employees
Provider of heating systems, photovoltaics, energy management, and dynamic electricity tariffs. The company offers installation, financing, and maintenance services for heating and energy systems. It provides advice on heat pumps, energy management, and photovoltaic systems. The company also offers information on comparing heating options, gas and oil systems, and heating and saving strategies.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 13k LinkedIn followers — 12.6% of this cohort's audience
Funding rounds
- Nov 2017Series C$24.4M
- May 2016Series C$25.6M
- Apr 2015Series B$6.3M
- Sep 2014Series A—
Founders & team
Investors
Eneco, Vorwerk Ventures, HV Capital, IBB Ventures, E.ON, Picus Capital
Tech stack
Apple Icloud MailBeamerCdnjsCloudflareCore-JsDjango
#11
Series A · Berlin, Berlin · founded 2023$125Kraised▾
Series A · Berlin, Berlin · founded 2023
Software solutions for heat pumps. It provides solutions for calculating the heating load, designing the heat pump, selecting the right model, taking sound emissions into account and more.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 4.4% of this cohort's audience
Activity: 1 product launches · 1 partnerships (incl. Fachverband SHK Sachsen) announced in 12 mo
Funding rounds
- Dec 2024Series A$8.8M
- 2024Seed$500K
- Dec 2023Seed—
Founders & team
Investors
PT1, better ventures, Y Combinator
Tech stack
AlbacrossApple Icloud MailBootstrapCloudflareCloudflare Bot ManagementCloudflare Browser Insights
#12
Seed · Berlin, Berlin · founded 2019 · 3 employees$4.1Mraised▾
Seed · Berlin, Berlin · founded 2019 · 3 employees
Internet first brand offering smart liquid heaters. The device can heat any liquid by placing it over the device to the desired temperature. The feature includes a noise-free, battery-free rod with Bluetooth and temperature sensor, magnetic heating disc, and more.
Funding rounds
- Nov 2022Seed$3M
- Nov 2021Seed$1.1M
Investors
better ventures, Summiteer, Ataraxia, Joyance Partners, Goronide GmbH
Funding & investor landscape
$296.9Mtotal disclosed funding
20companies funded
38disclosed rounds
0rounds last 90 days
Most active investors
IBB Ventures3 rounds
Notable founders
Dennis Nasrun
Co-Founder & CEO · Metiundo
Felix Mücke
Co-Founder & CTO · Metiundo
Alexander Mueller
Co-Founder & COO · Enter
Justus Menten
Co-Founder & Managing Director · Enter
Okitonga Memba
Co-Founder & Managing Director · Purpose
Lucas Christel
Co-Founder & Managing Director · Purpose
Leopold Kuttner
Co-Founder · Kugu Home
Christopher von Gumppenberg
Co-Founder & CEO · Kugu Home
Emanuel Heisenberg
Co-Founder & CEO · Ecoworks
Kristofer Fichtner
Co-Founder · Ecoworks
Robert Peschke
Founder · Sensorberg
Alexander Oelling
Co-Founder · Sensorberg
Prism market signals · Germany · country-scoped Prism corpus, 2,310,000 docs
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH FROM Berlin · institutions
What Berlin researches in energy efficiency
TU Berlin, SRH, and HTW Berlin lead moderately optimistic research (mean 0.43) on smart grid management, building optimization, and integrated energy systems, with recent output surging post-2020.
27 papersstance +0.4312% breakthrough15% concern
local research themes
Smart Grid Energy ManagementRefrigeration and Air Conditioning TechnologiesBuilding Energy and Comfort OptimizationIntegrated Energy Systems OptimizationThermodynamic and Exergetic Analyses of Power and Cooling SystemsGeothermal Energy Systems and Applications
top institutions
- Technische Universität Berlin20
- SRH University Berlin2
- HTW Berlin - University of Applied Sciences2
- Berlin University of the Arts1
- Humboldt-Universität zu Berlin1
Common questions
How many Energy Efficiency Tech companies are there in Berlin, Germany?
Radar tracks 57 indexable Energy Efficiency Tech companies headquartered in Berlin, Germany that meet our profile-completeness bar.
What is the total funding raised by Energy Efficiency Tech companies in Berlin, Germany?
The Energy Efficiency Tech companies in Berlin, Germany on this list have raised a combined $296.9M in disclosed equity funding across 20 funded companies.
Which is the highest-funded Energy Efficiency Tech company in Berlin, Germany?
Ecoworks is the highest-funded Energy Efficiency Tech company in Berlin, Germany, with $81.2M in disclosed equity funding.
How many Energy Efficiency Tech companies in Berlin, Germany are funded?
20 of the 57 Energy Efficiency Tech companies in Berlin, Germany on this list have disclosed at least one equity funding round.
How many Energy Efficiency Tech unicorns are there in Berlin, Germany?
None of the Energy Efficiency Tech companies in Berlin, Germany on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Berlin, Germany Energy Efficiency Tech companies?
The most active investors in Berlin, Germany Energy Efficiency Tech companies on this list include Europa, Future Energy Ventures, HTGF, IBB Ventures, PT1.
Rohit KhannaTrends & Stories
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.