Company lists · Data refreshed September 2026

Top 25 Sustainable software development firms worldwide

Name: Sustainable software development firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 14,027 companies tracked

RevenueBase identified 14,027 company matches for sustainable software development firms worldwide as of September 2026 and tracks 151,948 professional contacts across them, including 39,838 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for sustainable software development firms worldwide, 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 September 29, 2026. Country and city lists for sustainable software development firms follow the table.

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 Sep 29, 2026 How this list was built

14,027Companies

151,948Contacts tracked

39,838Verified emails

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The 25 largest sustainable software development firms worldwide

Ranked by team size

Top 25 of 14,027 company matches for sustainable software development firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	ERM	Exact match	London, United KingdomHQ recorded Sep 29, 2026	5,001-10,000	9,119 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Groupe SII	Exact match	Paris, FranceHQ recorded Sep 29, 2026	10001+	4,928 contacts →
	Exact match “Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Ambipar	Exact match	Sao Paulo, BrazilHQ recorded Sep 29, 2026	10001+	2,599 contacts →
	Exact match “Our mission is to promote ecological transformation by investing in decarbonization projects, circular economy, energy transition, and environmental regeneration.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	ALTIA	Exact match	Oleiros (a Coruña), SpainHQ recorded Sep 29, 2026	1,001-5,000	1,677 contacts →
	Exact match “At Altia, we have been providing future-proof digital solutions that deliver real value and create meaningful change for 30 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,529 contacts →
	Exact match “Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Sphera	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,349 contacts →
	Exact match “Sphera creates a safer, more sustainable and productive world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Adec Innovations	Exact match	Irvine, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,304 contacts →
	Exact match “ADEC Innovations seamlessly delivers fully integrated, cost-effective industry expertise, business process & data management, and software services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Interagua Ecuador	Exact match	Guayaquil, EcuadorHQ recorded Sep 29, 2026	501-1,000	783 contacts →
	Exact match “Somos una empresa sólida, confiable, orientada al cliente; líder en el manejo ambiental, con procesos de calidad, tecnología y recursos humanos competentes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Inerco	Exact match	Sevilla, SpainHQ recorded Sep 29, 2026	1,001-5,000	688 contacts →
	Exact match “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Ricardo PLC	Exact match	London, United KingdomHQ recorded Sep 29, 2026	1,001-5,000	670 contacts →
	Exact match “Click the 'Follow' button and explore careers at Ricardo on our 'Jobs' and 'Life' tabs and at careers.ricardo.com.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Groupe Sigma	Exact match	La Chapelle Sur Erdre, FranceHQ recorded Sep 29, 2026	501-1,000	543 contacts →
	Exact match “Notre ambition : créer plus de performance par le numérique à impact.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Diagonal	Exact match	Sao Paulo, BrazilHQ recorded Sep 29, 2026	501-1,000	527 contacts →
	Exact match “Diagonal is a pioneering socio-environmental management consultancy that helps companies, organizations and governments to raise their ESG standard and generate a positive…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Synergia Consultoria Socioambiental	Exact match	São Paulo, BrazilHQ recorded Sep 29, 2026	201-500	497 contacts →
	Exact match “We are a company specialized in pioneer socio-environmental consultancy, in which for more than 17 years have worked with the creation and execution of effective solutions to the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Codecentric AG	Exact match	Solingen, GermanyHQ recorded Sep 29, 2026	501-1,000	490 contacts →
	Exact match “Seit zwei Dekaden entwickelt die codecentric AG moderne, individuelle Software.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Osapiens	Exact match	Mannheim, GermanyHQ recorded Sep 29, 2026	501-1,000	482 contacts →
	Exact match “osapiens – one platform for sustainable growth osapiens develops software that empowers companies to drive sustainable growth across their entire value chain.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	ADP Consulting	Exact match	Melbourne, AustraliaHQ recorded Sep 29, 2026	201-500	468 contacts →
	Exact match “ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Sete Soluções E Tecnologia Ambiental	Exact match	Belo Horizonte, BrazilHQ recorded Sep 29, 2026	501-1,000	448 contacts →
	Exact match “Somos uma das maiores consultorias em meio ambiente do Brasil, fundada em 1997, contando, hoje, com uma equipe técnica multidisciplinar permanente, que congrega profissionais das…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Enablon	Exact match	Alphen Aan Den Rijn, NetherlandsHQ recorded Sep 29, 2026	501-1,000	433 contacts →
	Exact match “Enablon, part of Wolters Kluwer's Corporate Performance & ESG division, is the world's leading provider of integrated software solutions for Environment, Health and Safety (EHS)…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Adesso Schweiz AG	Exact match	Zurich, SwitzerlandHQ recorded Sep 29, 2026	501-1,000	425 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Tecno Group	Exact match	Napoli, ItalyHQ recorded Sep 29, 2026	201-500	423 contacts →
	Exact match “We are an Energy Digital and Sustainable Company specialized in sustainability consulting services and 4.0 solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Intervest Software Technologies Private Limited	Exact match	Colombo, Sri LankaHQ recorded Sep 29, 2026	501-1,000	402 contacts →
	Exact match “Intervest specializes in software development and providing IT support services delivering innovative, cost effective, high-quality custom-built software solutions based on a…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Greenflex	Exact match	Paris, FranceHQ recorded Sep 29, 2026	501-1,000	390 contacts →
	Exact match “Since 2009, GreenFlex has been a key partner in the energy, environmental and societal transformation of organizations, enabling them to change their trajectory towards an economy…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	SEMIC	Exact match	Lleida, SpainHQ recorded Sep 29, 2026	201-500	390 contacts →
	Exact match “Somos una empresa de servicios y soluciones TI de valor, basadas en el conocimiento, la seguridad y la sostenibilidad.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	EMM Consulting PTY Limited	Exact match	St Leonards, AustraliaHQ recorded Sep 29, 2026	201-500	361 contacts →
	Exact match “At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Software Mansion	Exact match	Kraków, PolandHQ recorded Sep 29, 2026	201-500	353 contacts →
	Exact match “We are a team of engineers with strong technical know-how, and we enjoy complicated, unconventional projects.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “sustainable software development firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,027 sustainable software development firms worldwide

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Sustainable software development firms worldwide at a glance

As of Sep 29, 2026

26.2%Verified-email coverage

10.8Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

8,666

11-50

4,102

51-200

908

201-500

196

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for sustainable software development firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “sustainable software development firms” 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. 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 39,838 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 September 29, 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.

Sustainable software development firms by location

84 lists · largest first

Every Sustainable software development firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “sustainable software development firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable software development firms are there worldwide?

RevenueBase identified 14,027 company matches for sustainable software development firms worldwide as of September 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?

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

Which country has the most sustainable software development firms?

Brazil leads with 1,550 companies, followed by India (1,271) and the United States (1,259). Every sustainable software development firms list by country and city is linked on this page.

Which city has the most sustainable software development firms?

Sao Paulo leads with 224 company records, followed by London (180) and Pune (103).

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 39,838 professional contacts with verified work emails tracked across these 14,027 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 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 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.