Company lists · Data refreshed September 2026

Top 25 Water rights consulting firms worldwide

RevenueBase identified 1,216 water rights consulting firms worldwide as of September 2026 and tracks 15,255 professional contacts across them, including 6,216 with verified work emails. The United States is the largest market and Santiago the largest hub.

This list covers water rights consulting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for water rights consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
1,216Companies
15,255Contacts tracked
6,216Verified emails
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The 25 largest water rights consulting firms worldwide

Ranked by team size
Top 25 of 1,216 water rights consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to water rights consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 20261,001-5,0002,100 contacts →

Indirect evidence

“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceVitacura, ChileHQ checked Sep 29, 202610001+988 contacts →

Indirect evidence

“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceGrand Forks, ND, United StatesHQ checked Sep 29, 2026201-500339 contacts →

Partial evidence

“AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…”

Source: RevenueBase Database · checked Sep 29, 2026
4Strong evidenceDavis, CA, United StatesHQ checked Sep 29, 2026201-500279 contacts →

Strong evidence

“West Yost is a water-focused consulting engineering firm ranked by Fortune Magazine as one of the “Best Small and Medium Workplaces in Consulting and Professional Services” 2023 -…”

Source: RevenueBase Database · checked Sep 29, 2026
5Strong evidenceGainesville, VA, United StatesHQ checked Sep 29, 2026201-500268 contacts →

Strong evidence

“For more than 30 years, WSSI has been the trusted partner in environmental, regulatory, cultural resources, and water resources engineering consulting.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceParis, FranceHQ checked Sep 29, 2026201-500182 contacts →

Indirect evidence

“Bureau d’études techniques fondé en 1974, setec hydratec s’est positionné en tant qu’expert sur tous les sujets liés à l’ingénierie de l’eau et des sites et sols pollués, afin de…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceTucson, AZ, United StatesHQ checked Sep 29, 2026201-500165 contacts →

Indirect evidence

“WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 29, 202651-200147 contacts →

Indirect evidence

“São mais de 1,2 mil projetos desenvolvidos nos setores industriais, de mineração, construção civil, abastecimento e agronegócio.”

Source: RevenueBase Database · checked Sep 29, 2026
9Strong evidenceTucson, AZ, United StatesHQ checked Sep 29, 202651-200126 contacts →

Strong evidence

“M&A is a water resource consulting firm that partners with clients to address their evolving water resource challenges.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceCalgary, AB, CanadaHQ checked Sep 29, 202651-200108 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceHarrisburg, PA, United StatesHQ checked Sep 29, 202651-200108 contacts →

Indirect evidence

“Established in 1969, Skelly and Loy is a privately owned, mid-sized corporation with 6 Mid-Atlantic offices.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceSaint-charles-sur-richelieu, QC, CanadaHQ checked Sep 29, 202651-200107 contacts →

Indirect evidence

“Depuis plus de 45 ans, le Groupe Conseil UDA Inc.(UDA) accompagne, encadre et soutient ses clients dans leurs projets en environnement, en agriculture et en foresterie grâce à…”

Source: RevenueBase Database · checked Sep 29, 2026
13Strong evidenceToledo, OH, United StatesHQ checked Sep 29, 202651-200101 contacts →

Strong evidence

“Today, Jones & Henry Engineers, Ltd, continues to provide high quality consulting services in water, wastewater, storm water, and civil engineering to municipalities and…”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceDenver, CO, United StatesHQ checked Sep 29, 202651-20094 contacts →

Partial evidence

“LRE Water is now Spheros Environmental.”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceMayfield West, AustraliaHQ checked Sep 29, 202651-20093 contacts →

Partial evidence

“Beca HunterH2O is a diverse, empowered, and trusted team of 300+ water specialists, passionate about healthy and sustainable communities wherever we work.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceAlbuquerque, NM, United StatesHQ checked Sep 29, 202651-20092 contacts →

Indirect evidence

“Daniel B.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 29, 202651-20084 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
18Strong evidenceKitchener, ON, CanadaHQ checked Sep 29, 202651-20082 contacts →

Strong evidence

“Water Services and Technologies is a provider of leading-edge consulting services and technologies related to groundwater and its interaction with the environment, water resources…”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceKfar Saba, IsraelHQ checked Sep 29, 202651-20082 contacts →

Partial evidence

“Engineering a Sustainable Future, One Project at a Time Founded in Israel in 1996, DHV MED has become a leader in environmental engineering and consulting.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceBuenos Aires, ArgentinaHQ checked Sep 29, 202611-5082 contacts →

Indirect evidence

“Empresa Consultora Argentina fundada en el año 1985, por un grupo de profesionales de extensa y prestigiosa trayectoria, cuyo objeto es la prestación de servicios profesionales en…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceDavis, CA, United StatesHQ checked Sep 29, 202651-20079 contacts →

Indirect evidence

“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceHood River, OR, IndiaHQ checked Sep 29, 202651-20075 contacts →

Partial evidence

“Since 1984, Inter-Fluve has been a leading water resources science and engineering firm specializing in river restoration.”

Source: RevenueBase Database · checked Sep 29, 2026
23Strong evidenceButte, MT, United StatesHQ checked Sep 29, 202651-20073 contacts →

Strong evidence

“Water & Environmental Technologies (WET) is a full-service environmental and civil consulting and engineering firm located in Butte, Montana, with branch offices in Anaconda…”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceSantiago, ChileHQ checked Sep 29, 202651-20073 contacts →

Indirect evidence

“Somos consultores en Ciencias de la Tierra, especialistas en recursos hídricos y minerales en fase acuosa.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceTrenton, NJ, United StatesHQ checked Sep 29, 202651-20071 contacts →

Partial evidence

“Experience, Expertise and Excellence in Water Resources, Ecology, and Geotechnical Engineering.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 1,216 water rights consulting firms worldwide

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Water rights consulting firms worldwide at a glance

As of Sep 29, 2026
40.7%Verified-email coverage
12.5Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Santiago
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
807
11-50
313
51-200
66
201-500
12
501-1,000
4
1,001-5,000
4
5,001-10,000
2
10001+
2

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among water rights consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for water rights consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “water rights consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names water rights consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among water rights consulting firms, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 6,216 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Water rights consulting firms by location

7 lists · largest first

Every Water rights consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names water rights consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many water rights consulting firms are there worldwide?

RevenueBase identified 1,216 water rights consulting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Hazen And Sawyer, headquartered in New York, tops this list with the largest team on record.

Which country has the most water rights consulting firms?

The United States leads with 440 companies, followed by Brazil (67) and Canada (55). Every water rights consulting firms list by country and city is linked on this page.

Which city has the most water rights consulting firms?

Santiago leads with 15 headquartered companies, followed by Denver (12) and Portland (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,216 verified decision-maker contacts tracked across these 1,216 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.