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Environmental Consulting Market Size, Share and Forecast 2026-2036

The global environmental consulting market is worth USD 55.4 bn in 2026 and is forecast to reach USD 99.2 bn by 2036, growing at a 6.0% CAGR. United States is the largest country market and Sustainability and ESG advisory is the largest by service segment.

USD 55.4 bnMarket size 2026
USD 99.2 bnForecast 2036
6.0%CAGR 2026-2036
United StatesLargest country

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5 segmentation views25 countries2026 to 2036 yearly forecast

Market overview

The global environmental consulting market is worth USD 55.4 bn in 2026 and is forecast to reach USD 99.2 bn by 2036, growing at a 6.0% CAGR. United States is the largest country market and Sustainability and ESG advisory is the largest by service segment.

ScopeRevenue from advisory, impact assessment, permitting, site investigation, remediation design and sustainability consulting services sold to industry, developers and governments.
IndustryServices and Utilities
Value 2025USD 52.0 bn
Value 2026USD 55.4 bn
Value 2036USD 99.2 bn
CAGR 2026-20366.0%
Volume 2026436 thousand engagements
Volume 2036611 thousand engagements
Average price 2026USD 126,900 per engagement
Report priceStarts from USD 1,999
PublishedNovember 2026

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Environmental Consulting market size and forecast, 2026-2036

Exhibit 1The global environmental consulting market is forecast to grow from USD 55.4 bn in 2026 to USD 99.2 bn by 2036, a rise of 79%Global market value in USD: 2025 base year, 2026 estimate and forecast to 2036. CAGR 2026 to 2036: 6.0%
Environmental Consulting market value, 2025 to 2036Market value by year. 2025: USD 52.0 bn; 2026: USD 55.4 bn; 2027: USD 58.7 bn; 2028: USD 62.2 bn; 2029: USD 66.0 bn; 2030: USD 69.9 bn; 2031: USD 74.1 bn; 2032: USD 78.6 bn; 2033: USD 83.3 bn; 2034: USD 88.3 bn; 2035: USD 93.6 bn; 2036: USD 99.2 bn. Compound annual growth rate 2026 to 2036: 6.0%.202555.4 bn202674.1 bn203199.2 bn20366.0% CAGR

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

YearMarket value
2026USD 55.4 bn
2027USD 58.7 bn
2028USD 62.2 bn
2029USD 66.0 bn
2030USD 69.9 bn
2031USD 74.1 bn
2032USD 78.6 bn
2033USD 83.3 bn
2034USD 88.3 bn
2035USD 93.6 bn
2036USD 99.2 bn

Environmental Consulting market segmentation

By service

Exhibit 2Sustainability and ESG advisory is the largest segment by service, with 28.0% of 2026 revenueEstimated share of 2026 global revenue, by service
Environmental Consulting market share by service, 2026Share of 2026 revenue by service. Sustainability and ESG advisory: 28.0%; Environmental impact and permitting: 24.0%; Remediation and site investigation: 22.0%; Compliance and risk management: 16.0%; Water and ecology services: 10.0%.Sustainability and ESG advisory28.0%Environmental impact and permitting24.0%Remediation and site investigation22.0%Compliance and risk management16.0%Water and ecology services10.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Environmental impact and permitting24.0%21.1%USD 13.3 bn4.6%
Remediation and site investigation22.0%19.3%USD 12.2 bn4.6%
Sustainability and ESG advisory28.0%35.7%USD 15.5 bn8.6%
Compliance and risk management16.0%14.7%USD 8.9 bn5.1%
Water and ecology services10.0%9.2%USD 5.5 bn5.1%

By client

Exhibit 3Energy and utilities adds the most revenue by client, growing from USD 16.6 bn in 2026 to USD 31.2 bn by 2036Estimated revenue in USD by client, 2026 and 2036 forecast
Environmental Consulting market by client, 2026 and 2036Revenue by client in 2026 and 2036. Energy and utilities: USD 16.6 bn in 2026, USD 31.2 bn in 2036, change +88%; Industrial and manufacturing: USD 12.2 bn in 2026, USD 21.8 bn in 2036, change +79%; Construction and real estate: USD 12.2 bn in 2026, USD 20.8 bn in 2036, change +71%; Government: USD 10.0 bn in 2026, USD 17.0 bn in 2036, change +71%; Other clients: USD 4.4 bn in 2026, USD 8.3 bn in 2036, change +88%.20262036 forecastChangeEnergy and utilities+88%16.6 bn31.2 bnIndustrial and manufacturing+79%12.2 bn21.8 bnConstruction and real estate+71%12.2 bn20.8 bnGovernment+71%10.0 bn17.0 bnOther clients+88%4.4 bn8.3 bn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Energy and utilities30.0%31.5%USD 16.6 bn6.5%
Construction and real estate22.0%21.0%USD 12.2 bn5.5%
Industrial and manufacturing22.0%22.0%USD 12.2 bn6.0%
Government18.0%17.2%USD 10.0 bn5.5%
Other clients8.0%8.4%USD 4.4 bn6.5%

By firm type

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Global engineering consultancies41.0%38.0%USD 22.7 bn5.2%
Specialist boutique firms27.0%29.0%USD 15.0 bn6.8%
Local and regional firms32.0%33.0%USD 17.7 bn6.3%

By driver

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Mandatory permitting and compliance47.0%43.0%USD 26.0 bn5.1%
Voluntary ESG and climate work23.0%29.0%USD 12.7 bn8.5%
Transaction and liability due diligence30.0%28.0%USD 16.6 bn5.3%

By engagement model

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Project-based54.0%49.0%USD 29.9 bn5.0%
Retainer and framework34.0%37.0%USD 18.8 bn6.9%
Expert witness and advisory12.0%14.0%USD 6.6 bn7.7%

Top 25 countries for environmental consulting by revenue

Countries are ranked by revenue earned from sales in the country, not by where the product is made. The ten largest hold 81.0% of 2026 revenue and the 25 countries below together hold 95.7%.

Exhibit 4United States is the largest country market at USD 21.0 bn in 2026, and the three largest countries hold 52.0% of global revenueEstimated 2026 revenue in USD and share of the global market, ten largest countries
Environmental Consulting market, ten largest countries in 2026Ten largest countries by 2026 revenue. United States: USD 21.0 bn, 38.0%; United Kingdom: USD 3.9 bn, 7.0%; China: USD 3.9 bn, 7.0%; Germany: USD 3.3 bn, 6.0%; Canada: USD 2.8 bn, 5.0%; Australia: USD 2.8 bn, 5.0%; France: USD 2.2 bn, 4.0%; Japan: USD 1.9 bn, 3.5%; Netherlands: USD 1.7 bn, 3.0%; India: USD 1.4 bn, 2.5%.United States21.0 bn 38.0%United Kingdom3.9 bn 7.0%China3.9 bn 7.0%Germany3.3 bn 6.0%Canada2.8 bn 5.0%Australia2.8 bn 5.0%France2.2 bn 4.0%Japan1.9 bn 3.5%Netherlands1.7 bn 3.0%India1.4 bn 2.5%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

#CountryValue 2026Share 2026Value 2036CAGR 2026-36
1United StatesUSD 21.0 bn38.0%USD 36.8 bn5.8%
2United KingdomUSD 3.9 bn7.0%USD 6.7 bn5.7%
3ChinaUSD 3.9 bn7.0%USD 8.1 bn7.7%
4GermanyUSD 3.3 bn6.0%USD 5.9 bn5.8%
5CanadaUSD 2.8 bn5.0%USD 4.9 bn5.8%
6AustraliaUSD 2.8 bn5.0%USD 5.1 bn6.2%
7FranceUSD 2.2 bn4.0%USD 3.9 bn5.7%
8JapanUSD 1.9 bn3.5%USD 2.8 bn3.7%
9NetherlandsUSD 1.7 bn3.0%USD 2.9 bn5.6%
10IndiaUSD 1.4 bn2.5%USD 3.7 bn10.2%
11SwedenUSD 1.3 bn2.4%USD 2.3 bn5.5%
12South KoreaUSD 1.1 bn2.0%USD 1.9 bn5.5%
13ItalyUSD 958 mn1.7%USD 1.6 bn5.6%
14SpainUSD 820 mn1.5%USD 1.4 bn5.5%
15BrazilUSD 698 mn1.3%USD 1.5 bn7.7%
16MexicoUSD 598 mn1.1%USD 1.2 bn7.7%
17SwitzerlandUSD 510 mn0.9%USD 873 mn5.5%
18DenmarkUSD 438 mn0.8%USD 744 mn5.5%
19NorwayUSD 371 mn0.7%USD 635 mn5.5%
20BelgiumUSD 316 mn0.6%USD 545 mn5.6%
21South AfricaUSD 271 mn0.5%USD 466 mn5.6%
22SingaporeUSD 233 mn0.4%USD 397 mn5.5%
23PolandUSD 199 mn0.4%USD 337 mn5.4%
24United Arab EmiratesUSD 166 mn0.3%USD 357 mn8.0%
25ChileUSD 144 mn0.3%USD 248 mn5.6%
Rest of worldUSD 2.4 bn4.3%USD 4.0 bn5.5%
Exhibit 5United States and China account for 46% of the USD 43.8 bn the market is forecast to add by 2036Forecast revenue added between 2026 and 2036 by country, in USD
Environmental Consulting market, where the growth to 2036 comes fromRevenue added between 2026 and 2036. Market value 2026: USD 55.4 bn. United States: +USD 15.8 bn; China: +USD 4.3 bn; United Kingdom: +USD 2.9 bn; Germany: +USD 2.5 bn; Australia: +USD 2.3 bn; 20 other countries: +USD 14.4 bn; Rest of world: +USD 1.7 bn. Market value 2036: USD 99.2 bn.Market value 202655.4 bnUnited States+15.8 bnChina+4.3 bnUnited Kingdom+2.9 bnGermany+2.5 bnAustralia+2.3 bn20 other countries+14.4 bnRest of world+1.7 bnMarket value 203699.2 bn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

Competitive landscape

Group 1: Global leaders

  • Jacobs
  • AECOM
  • Tetra Tech
  • WSP
  • Arcadis
  • Stantec
  • Wood

Group 2: Regional and specialist players

  • ERM
  • Ramboll
  • SLR Consulting
  • Mott MacDonald
  • GHD
  • Antea Group
  • Ricardo
  • Apex Companies

Group 3: Emerging and niche players

  • Trinity Consultants
  • Geosyntec
  • TRC Companies
  • Montrose Environmental Group
  • Weston Solutions
  • Haley & Aldrich
  • Terracon

Research methodology

Every figure on this page comes from the research framework that we apply to all of the markets we cover. The 2025 base for the environmental consulting market is built from the volume sold and the price that buyers pay, and is cross-checked against the size of the wider industry the market belongs to. Where a market can be sized in more than one way, the routes are compared before a figure is set.

The forecast runs year by year from the 2025 base to 2036. Growth in each year reflects demand from the industries that buy the product, adoption of new technology, pricing, regulation and replacement cycles. Volume and price are modelled together, so revenue in each year equals volume multiplied by average price. The 2026 to 2036 compound annual growth rate of 6.0% is calculated from the resulting values.

The market is divided by service, by client, by firm type, by driver, by engagement model. The 25 largest countries are ranked by revenue earned from sales to buyers in each country, not by where the product is made. Segment values and country values add up to the market total in every year, and every report is checked for consistency before it is published.

Companies are placed in three groups: global leaders, regional and specialist players, and emerging and niche players. The groups describe how companies compete in the market. They are not a ranking and they are not market shares.

Our analysts also carry out primary research. Customized reports add interviews with key opinion leaders, such as senior executives, technical specialists and buyers, to test the assumptions behind the numbers for the question being asked.

Read the full research methodology

Frequently asked questions

How big is the environmental consulting market?

The global environmental consulting market is estimated at USD 52.0 bn in 2025 and USD 55.4 bn in 2026.

How fast will the environmental consulting market grow?

It is forecast to reach USD 99.2 bn by 2036, a compound annual growth rate of 6.0% from 2026, an increase of USD 43.8 bn.

Which country is the largest market for environmental consulting?

United States is the largest market by revenue at USD 21.0 bn in 2026, 38.0% of the global total. The three largest countries together hold 52.0%.

Which country is growing fastest?

Among the ten largest markets, India is growing fastest at 10.2% a year from 2026 to 2036.

Which environmental consulting segment is largest?

In the by service split, Sustainability and ESG advisory is the largest segment with 28.0% of 2026 revenue.

Who are the leading environmental consulting companies?

Global leaders include Jacobs, AECOM, Tetra Tech, WSP.

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