Company lists · Data refreshed September 2026

Top 17 Ecological consulting firms based in Indonesia

RevenueBase identified 154 ecological consulting firms headquartered in Indonesia as of September 2026 and tracks 1,921 professional contacts across them, including 103 with verified work emails. Dki Jakarta is the largest hub.

This list covers ecological consulting firms headquartered in Indonesia, 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 14, 2026.

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 14, 2026 86% judged on-target in blind review
154Companies
1,921Contacts tracked
103Verified emails
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The 17 largest ecological consulting firms based in Indonesia

Ranked by team size
Top 17 of 154 ecological consulting firms based in Indonesia, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to ecological 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 evidenceBandung, IndonesiaHQ checked Sep 14, 2026201-500255 contacts →

Indirect evidence

“KWARSA HEXAGON is an independent consultant company founded in the year of 1982.”

Source: RevenueBase Database · checked Sep 14, 2026
2Partial evidenceBogor, IndonesiaHQ checked Sep 14, 202611-5063 contacts →

Partial evidence

“Daemeter is a leading independent consulting firm in Indonesia.”

Source: RevenueBase Database · checked Sep 14, 2026
3Indirect evidenceBandung, IndonesiaHQ checked Sep 14, 202651-20047 contacts →

Indirect evidence

“Ganeca Environmental Services was established in early 2014, located in Bandung.”

Source: RevenueBase Database · checked Sep 14, 2026
4Partial evidencePejaten Barat, IndonesiaHQ checked Sep 14, 202651-20040 contacts →

Partial evidence

“INACON is one of the top national consultants from Indonesia, involved in consulting services contracts under ADB/WB Loan, Grant, and Government Funding.”

Source: RevenueBase Database · checked Sep 14, 2026
5Indirect evidenceSurabaya, IndonesiaHQ checked Sep 14, 202611-5027 contacts →

Indirect evidence

“Rizqu Konsultan is a mining, environmental, and water resources consultancy providing integrated, data-driven solutions to support smarter and more responsible mining operations.”

Source: RevenueBase Database · checked Sep 14, 2026
6Partial evidenceKabupaten Badung, IndonesiaHQ checked Sep 14, 202611-5025 contacts →

Partial evidence

“Sustainability and Resilience (su-re.co) is a newly established environmental consulting company based in Bali, Indonesia.”

Source: RevenueBase Database · checked Sep 14, 2026
7Partial evidenceJakarta, IndonesiaHQ checked Sep 14, 202611-5021 contacts →

Partial evidence

“Ecobuild is a professional consulting firm specialized in green building practice founded on the mission to solve the climate-related issue through green & sustainable building.”

Source: RevenueBase Database · checked Sep 14, 2026
8Indirect evidenceBekasi, IndonesiaHQ checked Sep 14, 202611-5019 contacts →

Indirect evidence

“Perusahaan yang bergerak di Environmental, yang meliputi HSE Consultant & Tranning Service, Online water monitoring, Environmental permitting, AMDAL/UKL/UPL dan Trading…”

Source: RevenueBase Database · checked Sep 14, 2026
9Partial evidenceSleman Yogyakarta, IndonesiaHQ checked Sep 14, 20261-1018 contacts →

Partial evidence

“Enthalphy is an energy and environmental consulting firm that is committed to providing a positive impact through our services to achieve sustainability aspects, in terms of…”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceBogor, IndonesiaHQ checked Sep 14, 202611-5015 contacts →

Indirect evidence

“PT.”

Source: RevenueBase Database · checked Sep 14, 2026
11Indirect evidenceJakarta Selatan, IndonesiaHQ checked Sep 14, 20261-1011 contacts →

Indirect evidence

“Ekologika is a emerging company providing innovative solutions to the most critical challenges in environmental survey or study, and sustainable development.”

Source: RevenueBase Database · checked Sep 14, 2026
12Partial evidenceSemarang, IndonesiaHQ checked Sep 14, 20261-108 contacts →

Partial evidence

“PT Cakrawala Buwana Lestarindo is a company that provides environmental consulting services established by professionals in their fields.”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceJakarta, IndonesiaHQ checked Sep 14, 20261-107 contacts →

Indirect evidence

“a fraction environmental management firm that helps businesses integrate sustainability into their core strategy.”

Source: RevenueBase Database · checked Sep 14, 2026
14Partial evidenceDenpasar Selatan, IndonesiaHQ checked Sep 14, 20261-106 contacts →

Partial evidence

“Established in 2007, PNCI is an international consulting and project management firm, based in Bali and incorporated under the laws of Indonesia.”

Source: RevenueBase Database · checked Sep 14, 2026
15Partial evidenceJakarta Selatan, IndonesiaHQ checked Sep 14, 20261-105 contacts →

Partial evidence

“We are an energy efficiency and sustainability consulting firm.”

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceSemarang, IndonesiaHQ checked Sep 14, 202611-504 contacts →

Indirect evidence

“Our Vision Become a consultant that prioritizes innovation and technology Our Mission We are committed to deliver qualified solution based on the principle of Science and…”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceSurabaya, IndonesiaHQ checked Sep 14, 20261-101 contacts →

Partial evidence

“At our core, we are a hands-on sustainability consulting firm deeply committed to our environment.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 17 of 154 ecological consulting firms based in Indonesia

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Ecological consulting firms based in Indonesia at a glance

As of Sep 14, 2026
5.4%Verified-email coverage
12.5Average contacts per company
11-50Median size (employees)
6.5%Largest-city concentration · Dki Jakarta
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
72
51-200
14
201-500
2

Email recency for this list is measured worldwide rather than for Indonesia, so it is reported there. Company counts and contact totals on this page are exact for Indonesia, over 154 companies.

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 ecological 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.
What qualifies
Companies headquartered in Indonesia whose own description of what they do matches “ecological 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 ecological 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 ecological consulting firms, and records with no verified work email. Companies headquartered outside Indonesia are excluded even when they keep an office there.
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, 103 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 14, 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.

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 ecological 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 ecological consulting firms are there based in Indonesia?

RevenueBase identified 154 ecological consulting firms headquartered in Indonesia 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?

Pt. Kwarsa Hexagon, headquartered in Bandung West Java, tops this list with the largest team on record.

Which city has the most ecological consulting firms?

Dki Jakarta leads with 10 headquartered companies, followed by Bogor (8) and Surabaya (7).

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 103 verified decision-maker contacts tracked across these 154 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 14, 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.