Company lists · Data refreshed November 2026

Top 25 Ielts test preparation schools worldwide

RevenueBase identified 3,376 company matches for ielts test preparation schools worldwide as of November 2026 and tracks 35,482 professional contacts across them, including 2,214 with verified work emails. India is the largest market and London the largest hub.

This list covers company matches for ielts test preparation schools 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 November 6, 2026. Country and city lists for ielts test preparation schools 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 Nov 6, 2026 How this list was built
3,376Companies
35,482Contacts tracked
2,214Verified emails
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The 25 largest ielts test preparation schools worldwide

Ranked by team size
Top 25 of 3,376 company matches for ielts test preparation schools worldwide, 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 matchMakati City, PhilippinesHQ recorded Nov 6, 2026201-5001,130 contacts →

Exact match

“VISION STATEMENT Engoo, formerly known as Bibo Global Opportunity, Inc, is the biggest and fastest-growing online English school in the Philippines and Japan, producing effective…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,000594 contacts →

Exact match

“Established in 1969 by the Australian Government, IDP has more than 50 years’ experience helping students achieve their international education goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDhaka, BangladeshHQ recorded Nov 6, 202651-200521 contacts →

Exact match

“Mentors’ Education is an admission consultancy agency based in Dhaka, Bangladesh.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000507 contacts →

Exact match

“For more than 60 years, students have chosen ELS to achieve their English language goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026501-1,000465 contacts →

Exact match

“Jamboree is India’s leading institute for study abroad test prep and admission counselling.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026201-500454 contacts →

Exact match

“Texas Review is acclaimed as India’s leading coaching center for standardized tests like GRE, GMAT, IELTS, TOEFL, SAT, PTE, and superior consultant for Immigration & Overseas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWest Delhi, IndiaHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“SIEC (Sonya International Education Centre) is a leading study abroad education consultancy delivering test preparation and student placement services for aspiring students…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChandigarh, IndiaHQ recorded Nov 6, 20261,001-5,000340 contacts →

Exact match

“Touchstone Educational is the biggest and the best IELTS training institution of India from the last 24 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVadodara, IndiaHQ recorded Nov 6, 2026501-1,000275 contacts →

Exact match

“Since its establishment in 1997, EEC has become a respected institution in Gujarat, known for its commitment to quality in IELTS test preparation and study abroad services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchManhattan, United StatesHQ recorded Nov 6, 2026201-500260 contacts →

Exact match

“Zoni Language Centers was founded in 1991, by Mr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKurukshetra, IndiaHQ recorded Nov 6, 2026201-500253 contacts →

Exact match

“The World Is Your Country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 2026201-500252 contacts →

Exact match

“Fundada en 1927, somos la primera cultura inglesa de Argentina, con casi 100 años de liderazgo en la enseñanza del idioma inglés en la Argentina.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Nov 6, 2026501-1,000224 contacts →

Exact match

“Greenwich College, established in 2005, is one of the largest and most respected colleges in Australia delivering not only a range of English Language courses and exams, but also…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDublin, ON, IrelandHQ recorded Nov 6, 202651-200219 contacts →

Exact match

“Founded in 1979, CES is an award-winning English Language school with over 40 years of experience teaching the English language to students from across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew Delhi, IndiaHQ recorded Nov 6, 202651-200203 contacts →

Exact match

“Fateh is an institution born out of the need for information and professional guidance in the field of Overseas Education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMavelikara, IndiaHQ recorded Nov 6, 2026201-500171 contacts →

Exact match

“Tiju’s Academy is one of the top OET, IELTS coaching institutions in Kerala, India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDublin, IrelandHQ recorded Nov 6, 202651-200167 contacts →

Exact match

“Atlas Language School was established in Dublin in 2003 and has grown from a one room school to one of the largest language teaching organisations in Ireland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBangalore, IndiaHQ recorded Nov 6, 2026501-1,000160 contacts →

Exact match

“IELTSMaterial.com is a leading ed-tech company and is now globally the largest IELTS learning platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchVietnamHQ recorded Nov 6, 2026n/a142 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKabupaten Sleman, IndonesiaHQ recorded Nov 6, 202611-50129 contacts →

Exact match

“Menyediakan kelas dan sertifikasi bahasa Inggris secara online Kelas Online - Bahasa Inggris Dasar Karyawan - Bahasa Inggris Dasar Mahasiswa - TOEFL Listening - TOEFL Reading -…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRecife, BrazilHQ recorded Nov 6, 202651-200109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHo Chi Minh City, VietnamHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“Our Story Two problems have persisted in the English teaching market in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchZhuhai, ChinaHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“We are an online IELTS teaching company that has been established for 9 years in China.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 2026201-500101 contacts →

Exact match

“The English Language Institute (ELI) at Princess Nourah bint Abdulrahman University (PNU) is a premier institution for academic excellence, dedicated to empowering the next…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchShanghai, ChinaHQ recorded Nov 6, 2026501-1,00098 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 3,376 ielts test preparation schools worldwide

See the full list, filter by size, metro and specialty, and access 2,214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ielts test preparation schools worldwide at a glance

As of Nov 6, 2026
6.2%Verified-email coverage
10.5Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,746
11-50
1,175
51-200
306
201-500
68
501-1,000
26
1,001-5,000
10
5,001-10,000
2
10001+
7

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 ielts test preparation schools are linked below.
What qualifies
Company records worldwide whose business descriptions match “ielts test preparation schools” 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 2,214 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.

Ielts test preparation schools by location

9 lists · largest first

Every Ielts test preparation schools 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 “ielts test preparation schools”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ielts test preparation schools are there worldwide?

RevenueBase identified 3,376 company matches for ielts test preparation schools worldwide 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?

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

Which country has the most ielts test preparation schools?

India leads with 713 companies, followed by the United Kingdom (166) and Spain (143). Every ielts test preparation schools list by country and city is linked on this page.

Which city has the most ielts test preparation schools?

London leads with 62 company records, followed by Lahore (36) and Kathmandu (35).

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 2,214 professional contacts with verified work emails tracked across these 3,376 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.