Company lists · Data refreshed September 2026

Top 25 Iso audit consulting companies based in India

Name: Iso audit consulting companies based in India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,300 companies tracked

RevenueBase identified 1,300 iso audit consulting companies headquartered in India as of September 2026 and tracks 24,039 professional contacts across them, including 2,771 with verified work emails. Mumbai is the largest hub.

This list covers iso audit consulting companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

1,300Companies

24,039Contacts tracked

2,771Verified emails

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The 25 largest iso audit consulting companies based in India

Ranked by team size

Top 25 of 1,300 iso audit consulting companies based in India, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso audit consulting companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	TUV India Pvt. LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	1,001-5,000	2,277 contacts →
	Indirect evidence “TUV India Pvt.” Source: RevenueBase Database · checked Sep 28, 2026
2	Matrix Business Services India Private Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 28, 2026	1,001-5,000	1,199 contacts →
	Indirect evidence “Matrix is a passionate team of professionals providing People, Product, and Process assurance services for enterprises across different industry segments for better compliance and…” Source: RevenueBase Database · checked Sep 28, 2026
3	Equinox Labs	Indirect evidence	Navi Mumbai, IndiaHQ checked Sep 28, 2026	1,001-5,000	738 contacts →
	Indirect evidence “We are committed to strengthening safety systems with the most reliable Testing and Auditing Solutions.” Source: RevenueBase Database · checked Sep 28, 2026
4	Intertek India	Indirect evidence	New Delhi, IndiaHQ checked Sep 28, 2026	1,001-5,000	658 contacts →
	Indirect evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
5	Mitra SK	Indirect evidence	Kolkata, IndiaHQ checked Sep 28, 2026	1,001-5,000	573 contacts →
	Indirect evidence “MSK is a leading Independent Inspection, Testing and Certification Expert, with a global network of offices and laboratories in 28 countries across 5 continents, with headquarters…” Source: RevenueBase Database · checked Sep 28, 2026
6	Mahajan & Aibara	Strong evidence	Mumbai, IndiaHQ checked Sep 28, 2026	201-500	458 contacts →
	Strong evidence “We offer Internal Audit & Risk Consulting related services.” Source: RevenueBase Database · checked Sep 28, 2026
7	TQ Cert Services Private Limited	Indirect evidence	Hyderabad, IndiaHQ checked Sep 28, 2026	1,001-5,000	445 contacts →
	Indirect evidence “TQ Cert Services Private Limited (TQ Cert): Your Trusted Partner in TIC Services TQ Cert is a TATA Enterprise, leading the way in TIC (Testing, Inspection, and Certification)…” Source: RevenueBase Database · checked Sep 28, 2026
8	VCS Quality Services Pvt. LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	201-500	410 contacts →
	Indirect evidence “VCS Quality Services Pvt.” Source: RevenueBase Database · checked Sep 28, 2026
9	Cqra Private Limited	Partial evidence	Pune, IndiaHQ checked Sep 28, 2026	201-500	394 contacts →
	Partial evidence “CQRA is a leading provider of Quality, Safety, Quantity, and Billing Audit services for construction projects.” Source: RevenueBase Database · checked Sep 28, 2026
10	Quality Evaluation Systems & Team PVT LTD	Indirect evidence	Bengaluru North, IndiaHQ checked Sep 28, 2026	201-500	333 contacts →
	Indirect evidence “QUEST has been serving the Indian Engineering Industry in the area of Quality Evaluation and process improvement since its inception over two decades ago in 1985.” Source: RevenueBase Database · checked Sep 28, 2026
11	V. Sankar Aiyar & CO	Indirect evidence	Mumbai, IndiaHQ checked Sep 28, 2026	51-200	222 contacts →
	Indirect evidence “V.” Source: RevenueBase Database · checked Sep 28, 2026
12	Netsoft Consulting Services P LTD	Strong evidence	New Delhi, IndiaHQ checked Sep 28, 2026	51-200	204 contacts →
	Strong evidence “Netsoft Consulting Services culture " An ISO 9001: 2008 Company" is a fast-paced, evolving and possesses a keen entrepreneurial spirit.” Source: RevenueBase Database · checked Sep 28, 2026
13	QRC Assurance And Solutions	Partial evidence	Navi Mumbai, IndiaHQ checked Sep 28, 2026	51-200	181 contacts →
	Partial 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, 2026
14	RSJ Inspection	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	181 contacts →
	Indirect evidence “Today RSJ Inspection is one of the best-known complete conformity assessments & neutral third party companies in Asia.” Source: RevenueBase Database · checked Sep 28, 2026
15	ROX Hi-Tech Limited	Indirect evidence	Chennai, IndiaHQ checked Sep 28, 2026	51-200	175 contacts →
	Indirect evidence “We have evolved to become a pioneer in the IT systems integration space, earning the highest level of global partnerships with leading technology brands.” Source: RevenueBase Database · checked Sep 28, 2026
16	Phistream Consulting Private Limited	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	201-500	166 contacts →
	Indirect evidence “Phistream provides technical third party inspection services and IT support services to organisations in various domains.” Source: RevenueBase Database · checked Sep 28, 2026
17	Sahni Natarajan & Bahl	Indirect evidence	New Delhi, IndiaHQ checked Sep 28, 2026	51-200	163 contacts →
	Indirect evidence “Sahni Natarajan And Bahl [SNB](Est.” Source: RevenueBase Database · checked Sep 28, 2026
18	Meenaar Global Consultants LLP	Indirect evidence	Faridabad, IndiaHQ checked Sep 28, 2026	51-200	151 contacts →
	Indirect evidence “Established in 2008 by a team of technocrats, MGCLLP is one of the leading conformity assessment body in Hydrocarbon Industry with rich experience on large projects such as…” Source: RevenueBase Database · checked Sep 28, 2026
19	Certvalue	Strong evidence	Bengaluru, IndiaHQ checked Sep 28, 2026	51-200	150 contacts →
	Strong evidence “Certvalue is a global leader in consulting, training and certification as a one stop solution for ISO, CE marking, HACCP, GMP, RoHS and many more delivering high quality service…” Source: RevenueBase Database · checked Sep 28, 2026
20	Vardan Envirolab LLP	Indirect evidence	Gurugram, IndiaHQ checked Sep 28, 2026	201-500	142 contacts →
	Indirect evidence “Vardan EnviroNet is an organization of senior state and central government retired officers from various departments like Pollution Control Board, Mines & Geology, Public Sector…” Source: RevenueBase Database · checked Sep 28, 2026
21	Earthood	Indirect evidence	Gurgaon, IndiaHQ checked Sep 28, 2026	51-200	140 contacts →
	Indirect evidence “Earthood is a pioneering force in the carbon offset verification industry with a reputation as an internationally acclaimed auditing & certification firm, providing strategic…” Source: RevenueBase Database · checked Sep 28, 2026
22	Bscic Certifications Pvt. LTD	Indirect evidence	Faridabad, IndiaHQ checked Sep 28, 2026	51-200	138 contacts →
	Indirect evidence “BSCIC is established as an Independent Conformity Assessment Body and Training Organization with its main objective to provide its services in the domains of QMS \| EMS \| OHSMS \|…” Source: RevenueBase Database · checked Sep 28, 2026
23	URS Certification Limited	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	119 contacts →
	Indirect evidence “URS is an independent Testing, Inspection and Certification Body offering value added services worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
24	Vincular	Partial evidence	Bangalore, IndiaHQ checked Sep 28, 2026	51-200	109 contacts →
	Partial evidence “VINCULAR is single point solution for product regulatory and compliance services, consulting and certification.” Source: RevenueBase Database · checked Sep 28, 2026
25	MGC Global Risk Advisory LLP	Partial evidence	New Delhi, IndiaHQ checked Sep 28, 2026	51-200	106 contacts →
	Partial evidence “MGC Global Risk Advisory ('the firm') is a leading and specialist risk advisory consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026

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 audit consulting companies. 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 audit consulting companies.
Partial evidence: Its own public description names part of iso audit consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iso audit consulting companies. 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 1,300 iso audit consulting companies based in India

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Iso audit consulting companies based in India at a glance

As of Sep 28, 2026

11.5%Verified-email coverage

18.5Average contacts per company

11-50Median size (employees)

7.1%Largest-city concentration · Mumbai

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

536

11-50

481

51-200

193

201-500

501-1,000

1,001-5,000

10001+

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 1,300 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 audit consulting companies, 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 audit consulting companies”. 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 audit consulting companies), 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 audit consulting companies, 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, 2,771 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.

Iso audit consulting companies by metro

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 audit consulting companies, 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 audit consulting companies are there based in India?

RevenueBase identified 1,300 iso audit consulting companies 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?

TUV India Pvt. LTD, headquartered in Ghatkopar West Mumbai, tops this list with the largest team on record.

Which city has the most iso audit consulting companies?

Mumbai leads with 92 headquartered companies, followed by New Delhi (78) and Bangalore (73).

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 2,771 verified decision-maker contacts tracked across these 1,300 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.

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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.