50 Best Environmental Consulting Companies to Watch in 2026

The most prominent environmental consulting companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 43,248 companies tracked on Fsome.

43,248
Total Companies
$81.9B
Total Funding
$1.9M
Avg Funding
London
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Nuvve
Nuvve is accelerating the electrification of transportation through its propriet…
San Diego 11 - 50 $46.7M Post Ipo Equity 2025-12-31
2
Tomorrow.io
Tomorrow.io is a weather technology company offering real-time forecasting servi…
Boston 251 - 500 $433.9M Series F 2026-02-03
3
Pivot Energy
Pivot Energy is a national renewable energy provider that develops, finances, bu…
Denver 101 - 250 $1.2B Debt Financing 2025-12-17
4
Varaha
Varaha is a climate tech company helping smallholder farmers produce carbon cred…
Delhi 101 - 250 $63.2M Series B 2026-02-03
5
Equitable Earth
Equitable Earth Built upon next-generation dMRV, our standard is designed to ver…
Paris 11 - 50 $25.9M Series A 2026-01-08
6
Radial Power
Radial Power provides distributed energy and sustainability solutions to commerc…
Houston 1 - 10 $660.0M Debt Financing 2026-01-20
7
Ormat Technologies
Ormat Technologies engages in the geothermal and recovered energy power business…
Reno 1K - 5K $2.5B Post Ipo Equity 2025-05-27
8
DevvStream Holdings
DevvStream Holdings helps organizations meet their net zero goals by providing t…
Vancouver 1 - 10 $12.7M Post Ipo Equity 2025-12-03
9
Adani Energy Solutions
Adani Energy Solutions is a private sector power transmission and retail distrib…
Ahmedabad 1K - 5K $1.7B Post Ipo Debt 2026-02-09
10
Ridwell
Ridwellt is engaged in reusing and recycling used stuff.
Portland 101 - 250 $15.0M Series Unknown 2025-12-10
11
Sanivation
Sanivation provides novel solutions for the world's sanitation crisis.
Nakuru 11 - 50 $5.1M Undisclosed 2026-01-16
12
Carbon Equity
Carbon Equity is a climate investing platform for alternative investments.
Amsterdam 11 - 50 $9.6M Series A 2023-10-11
13
Northstar Clean Technologies
Northstar Clean Technologies focuses on the recovery and reprocessing of single-…
Delta 11 - 50 $112.1M Post Ipo Debt 2026-03-31
14
MYCOPHYTO
MYCOPHYTO is an Effective alternatives to the use of chemical pesticides in agri…
Valbonne 11 - 50 $32.2M Series A 2026-01-12
15
GHGSat
GHGSat’s mission is to become the global reference for remote sensing of greenho…
Montréal 101 - 250 $181.4M Convertible Note 2025-09-15
16
Lightsource bp
Lightsource bp is the development and management of solar energy projects.
London 1K - 5K $2.1B Debt Financing 2025-06-10
17
Arca Climate Technologies, Inc.
Arca is a carbon dioxide removal (CDR) company that captures atmospheric CO2 and…
Vancouver 11 - 50 $18.4M Grant 2025-06-12
18
Carbonfuture
Carbonfuture is the world's leading provider of high-quality durable carbon remo…
Freiburg 11 - 50 $8.1M Series A 2025-12-19
19
Captura
Captura specializes in direct ocean carbon capture, employing technology and lev…
Pasadena 51 - 100 $23.0M Series A 2024-04-11
20
Kloopify
Kloopify is the most widely used climate action platform.
Pittsburgh 11 - 50 $1.5M Seed 2025-06-02
21
Vibrant Planet
Vibrant Planet is a cloud-based technology platform that accelerates and improve…
Truckee 51 - 100 $52.2M Convertible Note 2025-10-10
22
CarbonCapture
CarbonCapture is a climate tech company that develops direct air capture (DAC) m…
Los Angeles 51 - 100 $115.0M Series A 2024-03-12
23
Verna
Verna uses geospatial data science to use land in a way that reduces carbon, enh…
Borehamwood 1 - 10 $5.2M Seed 2026-01-13
24
Deep Sky
Deep Sky is a developer of a CO2 removal infrastructure designed to reduce the c…
Montréal 11 - 50 $93.6M Grant 2024-12-12
25
EcoPulse
EcoPulse® provides AI-first software to analyze and manage PFAS (forever chemica…
Austin 1 - 10 $180K Pre Seed 2025-08-14
26
Ren Energy
Ren Energy is the transaction layer for supply chain renewable energy deals for …
Portland 11 - 50 $6.0M Seed 2023-11-08
27
KLA
KLA is a distributor of process control and yield management solutions that offe…
Milpitas c 10001 max $758.4M Grant 2025-07-18
28
Acciona Energía
Acciona Energía is a company which are energy operator providing renewable energ…
Alcobendas 1K - 5K $298.0M Grant 2026-02-17
29
1PointFive
1PointFive is a multi-solution platform for Carbon Capture, Utilization and Sequ…
Houston 11 - 50 $500.0M Grant 2024-09-13
30
Footprint
Footprint is a materials science technology company that designs, develops, and …
Gilbert 1K - 5K $1.3B Series Unknown 2023-10-20
31
pH7
pH7 designs and implements sustainable extraction and refining of strategic meta…
Burnaby 11 - 50 $66.2M Debt Financing 2026-04-13
32
GFL Environmental
GFL Environmental is a multi-faceted company that offers services in solid waste…
Sterling Heights c 10001 max $5.2B Post Ipo Debt 2026-01-13
33
Terradot
With operations and projects in the US and Brazil, Terradot is the leading Enhan…
Stanford 51 - 100 $62.4M Non Equity Assistance 2025-05-02
34
First Street
First Street Foundation is the gold standard in Climate Risk Financial Modeling.
Brooklyn 51 - 100 $55.5M Series Unknown 2024-03-11
35
WSP Global
WSP Global is an engineering and professional services firm that specializes in …
Québec c 10001 max $5.3B Post Ipo Debt 2026-01-20
36
Azzera
Azzera created a B2B SaaS platform that allows aviation companies to track clima…
Saint Laurent 11 - 50 $2.0M Seed 2024-01-05
37
Patch
Patch focuses on building infrastructure for a climate-positive economy, startin…
San Francisco 51 - 100 $81.5M Series B 2022-09-13
38
InPlanet
The world’s first certified Enhanced Rock Weathering carbon credits ’ removing g…
M├╝nchen 51 - 100 $5.8M Seed 2023-10-01
39
Carbogenics
Carbogenics is a cleaning technology company.
Edinburgh 1 - 10 $5.4M Series Unknown 2026-01-19
40
TemperPack
TemperPack manufactures insulated packaging solutions that meet the needs of all…
Richmond 101 - 250 $218.9M Debt Financing 2025-09-30
41
demi
demi is the future of urban composting, with the first autonomous collection sys…
Chicago 1 - 10 $800K Pre Seed 2023-04-19
42
Rainmaker Technology
Rainmaker uses technology to generate rain, replenish water sources, and address…
El Segundo 11 - 50 $31.3M Series A 2025-05-05
43
SYSO Technologies
SYSO Technologies provides end-to-end renewable energy and storage management te…
Cambridge 11 - 50 $33.6M Series Unknown 2026-01-16
44
Tokamak Energy
Tokamak Energy is a private company developing and accelerating the development …
Oxford 251 - 500 $287.0M Series Unknown 2024-11-19
45
The Nature Conservancy
The Nature Conservancy is a non-profit conservation organization that works to p…
Arlington 5K - 10K $120.1M Grant 2025-11-17
46
Upwing Energy
Upwing Energy brings gas production to new heights by providing an artificial li…
Cerritos 51 - 100 $32.1M Series C 2022-11-17
47
Mantel
Mantel proposes a method to trap CO2 before it enters the atmosphere.
Cambridge 11 - 50 $32.5M Series A 2024-09-05
48
Rubicon
Rubicon is a software platform that provides waste management, recycling, and sm…
Lexington 251 - 500 $501.7M Post Ipo Equity 2024-12-03
49
Optera
Optera is a leading carbon emissions management SaaS solution for organizations …
Boulder 51 - 100 $25.7M Series A 2023-09-11
50
Savimbo
Savimbo creates, certifies, and sells fair-trade carbon, biodiversity, and water…
Wilmington 11 - 50 $680K Non Equity Assistance 2025-05-02