Company lists · Data refreshed September 2026
Top 25 Iso 27001 audit services based in India
RevenueBase identified 112 iso 27001 audit services headquartered in India as of September 2026 and tracks 1,159 professional contacts across them, including 196 with verified work emails. Mumbai is the largest hub.
This list covers iso 27001 audit services headquartered in India, 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 28, 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.
The 25 largest iso 27001 audit services based in India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 181 contacts → | ||||
Strong evidence “QRC Assurance and Solutions has been a forerunner on the cybersecurity front, empanelled with CERT-in, certified to provide PCI DSS QSA, PA QSA, PCI 3DS, PCI SSF, ISO 27001, ISO…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 76 contacts → | ||||
Indirect evidence “About Astral Consulting Limited Astral Consulting Limited is a Director-led consulting and advisory company helping businesses strengthen governance, improve performance, manage…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 68 contacts → | ||||
Indirect evidence “ShieldByte Infosec is now CERT-In Empanelled Auditor and leading cyber security company in India.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67 contacts → | ||||
Partial evidence “Matrix3D, a CERT-In Empanelled organization, helps make your business secure and resilient through detailed IT assessments and audits, with clear gap analysis and strong…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 64 contacts → | ||||
Partial evidence “Pristine is a professional services firm offering audit, assurance services & consulting solutions in the areas of IT Security, IS Audits, Network Security, Computer Forensics…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 59 contacts → | ||||
Indirect evidence “Kratikal is an end to end cyber security solutions provider.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 40 contacts → | ||||
Indirect evidence “Five Tattva a PCI QSA Company & CERT-IN Empanelled company, 5Tattva stands at the forefront of the global IT solutions and Managed Security Services landscape, specializing in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 38 contacts → | ||||
Indirect evidence “Our organization is an accredited Certification body for Management System Certification and Exemplar Global (RABQSA) certified training provider for Lead Auditor Training/…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 27 contacts → | ||||
Indirect evidence “DeFacto Veritas is a full scope management system and business consulting firm rendering consulting services towards Process Management Consulting(Process Mapping, BPMN), Business…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Indirect evidence “CloudUnicorn is an Information Security trusted catalyst.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 21 contacts → | ||||
Indirect evidence “CipherBeam Technologies is a company specialized in Information Security and Cyber Security Consulting Services with group of experienced professionals focused on below; 1.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 19 contacts → | ||||
Partial evidence “Global Manager Group is a leading ISO consultancy services provider company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 18 contacts → | ||||
Indirect evidence “Ameya Cyber Risk Solutions Pvt Ltd is a CERT-In empaneled IS auditing organization which provides Information Security, Cybersecurity and Risk Management services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Indirect evidence “Success isn’t just a destination-it’s a journey built on strong partnerships and a shared commitment to progress.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Strong evidence “We help Organizations with the following: Certification & Compliance:* ISO 27001:2103 * SOC 2 * PCI DSS * EU GDPR * HIPAA * many more.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Information Systems plays an imperative role to make organizational success and create a brand image in minds of customers NUK 9 Information Security Auditors LLP, commonly…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Strong evidence “Cloud Data Security & Privacy Auditors, SOC1,2,3 Reports, VAPT and Web Assessments, CSA STAR, C5, ISO/IEC Certification Audits.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Strong evidence “Audits & consulting services for SOC 2/ISO 27001/GDPR & HIPAA/CCPA, Group 80+ Lead auditors, with combines experience of successful audits.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Partial evidence “Consulting, Training and Auditing of Various ISO Management System Standards like ISO 9001, ISO 14001, ISO 45001, ISO 13485, AS 9100, AS 9110, AS 9120, AS 9102, AS 13100, NADCAP…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “CQIMC is a training and management consulting organization that provides specialized training and consultation services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Partial evidence “It has been "30 Years" since we have been in the ISO Certification industry.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence “Found & established in 2015, InfoCratus Technologies is a first-generation service provider to businesses across India and overseas.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “COMPANY PROFILE- We at Winning Edge Business Solutions Pvt Ltd are a team of engineers & MBAs from top-ranked business schools from India & Abroad like Jamnalal Bajaj Institute of…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Partial evidence “Vision ISO (VI) is a leading Global Consulting Firm that helps organizations improve their Security, Safety and Compliance, reduce risk, and gain competitive advantage.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “Experts in information security, management systems consulting, product certifications, training and audits.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: iso 27001 audit services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names iso 27001 audit services.
- Partial evidence
- Its own public description names part of iso 27001 audit services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name iso 27001 audit services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 112 iso 27001 audit services based in India
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 196 reachable decision-makers.
Free signup · no credit card
Iso 27001 audit services based in India at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 112 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 iso 27001 audit services, 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 India whose own description of what they do matches “iso 27001 audit services”. 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 iso 27001 audit services), 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 iso 27001 audit services, and records with no verified work email. Companies headquartered outside India 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, 196 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 28, 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 iso 27001 audit services, 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 iso 27001 audit services are there based in India?
RevenueBase identified 112 iso 27001 audit services headquartered in India 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?
QRC Assurance And Solutions, headquartered in Navi Mumbai, tops this list with the largest team on record.
Which city has the most iso 27001 audit services?
Mumbai leads with 15 headquartered companies, followed by Pune (11) and Bangalore (9).
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 196 verified decision-maker contacts tracked across these 112 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 112 iso 27001 audit services based in India. Start with a free account, no credit card.
Download this list →Related lists
Iso 27001 audit services by geography
- Iso 27001 audit services based in London, United Kingdom
- Iso 27001 audit services based in Australia
- Iso 27001 audit services based in Brazil
- Iso 27001 audit services based in France
- Iso 27001 audit services based in Germany
- Iso 27001 audit services based in the Netherlands
- Iso 27001 audit services based in Poland
- Iso 27001 audit services based in Spain
- Iso 27001 audit services based in Türkiye
- Iso 27001 audit services based in the United Kingdom
- Iso 27001 audit services based in the United States
Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Iso 27001 audit services based in London, United Kingdom
- Iso 27001 audit services based in Australia
- Iso 27001 audit services based in Brazil
- Iso 27001 audit services based in France
- Iso 27001 audit services based in Germany
- Iso 27001 audit services based in the Netherlands