Company lists · Data refreshed November 2026

Top 14 Environmental sciences advisory services based in Nigeria

RevenueBase identified 167 company matches for environmental sciences advisory services associated with Nigeria as of November 2026 and tracks 861 professional contacts across them, including 57 with verified work emails. Lagos is the largest hub.

This list covers company matches for environmental sciences advisory services associated with Nigeria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
167Companies
861Contacts tracked
57Verified emails
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The 14 largest environmental sciences advisory services based in Nigeria

Ranked by team size
Top 14 of 167 company matches for environmental sciences advisory services based in Nigeria, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAbuja, NigeriaHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“At Carter Consulting, we are passionate about delivering distinct value to our clients while consistently redefining the consulting market space.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFct-abuja, NigeriaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“ABOUT US: EEMS Limited is a multi-disciplinary consulting firm incorporated as a limited liability company under the Companies and Allied Matters Act 1990 in September 1997.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLagos, NigeriaHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Ecowatt Nigeria Limited is a Sustainability, Energy, and Technical Advisory firm helping industries, financial institutions, SMEs, and institutions reduce operational costs…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGbagada (phase 1), NigeriaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLagos, NigeriaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“EnvironQuest provides integrated solutions for the management of environmental, natural resource, and socioeconomic issues for sustainable development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLagos, NigeriaHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“ImpactCrest is a Climate, Environment, Social, and Governance (ESG) and Impact Advisory firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPort Harcourt, NigeriaHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Apex Analytics Limited is a 100% Nigerian Company, owned and managed by young Nigerian experienced professionals (with experience ranging from 6-15 years).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAbuja, NigeriaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“At Teasoo Consulting, we are committed to driving positive change and fostering sustainable growth for organisations around the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOgun State, NigeriaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Terra Aqua Environmental Consultancy Ltd is a foremost Nigerian Environmental Consultancy Firms providing a plethora of solutions in the “green business”.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPort Harcourt, NigeriaHQ recorded Nov 6, 202611-508 contacts →

Exact match

“An Environmental Consulting firm with a wealth of experience in different environmental process projects; EIA, PIA, EER, We are also a leading establishment with expertise in GIS…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIbadan, NigeriaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Greenstad Projects Limited is a leading environmental consulting, development advisory and training firm comprising of multidisciplinary team of experts with requisite project…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLagos, NigeriaHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Avant-Garde Innovation & Technology Services Limited is a strategy, advisory and programme delivery firm partnering with governments, development partners, investors, financial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchYaba, NigeriaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“QMX Consult is a consultancy outfit focused on delivering professional services in the areas of Sustainability and Health, Safety & Environment Training, Consulting and Supply of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOshodi, NigeriaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We are a sustainability and environmental consulting service provider, poised to deliver innovative and high-quality professional advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 14 of 167 environmental sciences advisory services based in Nigeria

See the full list, filter by size, metro and specialty, and access 57 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental sciences advisory services based in Nigeria at a glance

As of Nov 6, 2026
6.6%Verified-email coverage
5.2Average contacts per company
11-50Median size (employees)
18.6%Largest-city concentration · Lagos
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
80
51-200
12
201-500
2
501-1,000
1

Email recency for this list is measured worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 167 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Nigeria whose business descriptions match “environmental sciences advisory services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 57 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “environmental sciences advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental sciences advisory services are there based in Nigeria?

RevenueBase identified 167 company matches for environmental sciences advisory services associated with Nigeria as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Carter Consulting LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental sciences advisory services?

Lagos leads with 31 company records, followed by Port Harcourt (21) and Abuja (12).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 57 professional contacts with verified work emails tracked across these 167 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.