Company lists · Data refreshed September 2026

Top 25 Iso audit consulting firms based in South Africa

Name: Iso audit consulting firms based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 333 companies tracked

RevenueBase identified 333 company matches for iso audit consulting firms associated with South Africa as of September 2026 and tracks 2,262 professional contacts across them, including 572 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for iso audit consulting firms associated with South Africa, 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 28, 2026.

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 28, 2026 How this list was built

333Companies

2,262Contacts tracked

572Verified emails

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The 25 largest iso audit consulting firms based in South Africa

Ranked by team size

Top 25 of 333 company matches for iso audit consulting firms based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	SGS Industrial	Exact match	Woodmead, South AfricaHQ recorded Sep 28, 2026	10001+	243 contacts →
	Exact match “SGS is a multinational company which was established in 1878 in Geneva, Switzerland.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	PKF Durban	Exact match	Umhlanga, South AfricaHQ recorded Sep 28, 2026	201-500	184 contacts →
	Exact match “Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Audit Advisory Forensics	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	201-500	85 contacts →
	Exact match “Internal Auditing, IT Auditing, Risk Advisory, Technology Consulting, and Forensics.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	World Wide Industrial And Systems Engineers Wwise	Exact match	Centurion, South AfricaHQ recorded Sep 28, 2026	11-50	69 contacts →
	Exact match “World Wide Industrial & Systems Engineers (WWISE) is a leading ISO consultancy, training, and systems implementation organisation with its Head Office based in Centurion, Gauteng…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Gripp Advisory	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	11-50	63 contacts →
	Exact match “GRIPP Advisory provides boutique advisory and consulting services to its clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Lockhat Incorporated	Exact match	Port Shepstone, South AfricaHQ recorded Sep 28, 2026	51-200	59 contacts →
	Exact match “Lockhat Incorporated is a firm of registered auditors offering a range of financial services to both corporate business and government.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Stein Registered Auditors	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	51-200	50 contacts →
	Exact match “Stein Registered Auditors was founded in 2002 and is managed by six dynamic and broad skilled partners who collectively brings over 150 years of knowledge, skills and expertise in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Ecocert South Africa	Exact match	Somerset West, South AfricaHQ recorded Sep 28, 2026	11-50	43 contacts →
	Exact match “ECOCERT South Africa was registered in 2002 and is situated in Somerset West.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Altimax	Exact match	Highveld Techno Park, South AfricaHQ recorded Sep 28, 2026	51-200	35 contacts →
	Exact match “Altimax is the premium, outsourced technical division for professional services firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	HG Chartered Accountants	Exact match	Durbanville, South AfricaHQ recorded Sep 28, 2026	11-50	31 contacts →
	Exact match “HGCA is a well established and renowned firm of registered auditors, situated in the heart of Bellville.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	The Leadership Academy For Guardians Of Governance	Exact match	Edenvale, South AfricaHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “The Leadership Academy for Guardians of Governance is a wholly owned subsidiary of the Institute of Internal Auditors South Africa.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Wakely Smith Lattuca	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “WSL Audit uses audit methodology that is designed to comply with the International Standards on Auditing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Abacwaningi Business Solutions	Exact match	Durban, South AfricaHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Orkin Brown And Associates	Exact match	Edenvale, South AfricaHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “Orkin Brown and Associates is an audit, accounting and tax practice based out of 43 St Margaret Road, Edenvale, Gauteng.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Masakhane Auditors & Accountants	Exact match	Durban, South AfricaHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “Masakhane is registered with the South African Institute of Chartered Accountants, as well as the Independent Regulatory Board of Auditors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	AFI Consult	Exact match	Pretoria, South AfricaHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Consulting Civil Engineers and Project Managers setting the trend in the performance of our duties.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Altitude Business Advisory	Exact match	Sandton, South AfricaHQ recorded Sep 28, 2026	1-10	14 contacts →
	Exact match “We are a management consulting firm that delivers bespoke or tailor-made solutions in Audit, Accounting, Business Advisory and Audit Staff Sourcing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Zeelie Auditors	Exact match	Roodepoort, South AfricaHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	CA RA Mpako INC	Exact match	Cape Town, South AfricaHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “At CA RA Mpako, we provide independent audit and advisory services that build trust, ensure compliance, and empower growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Qesh Advisory Services PTY LTD	Exact match	Durban, South AfricaHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “We deliver a boutique turnkey solution that prioritises specialisation in key competencies that share a synergy with our core focus areas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Litson & Associates	Exact match	Somerset West, South AfricaHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “The global pre-eminent independent aviation safety advisory & quality auditing, training and software services company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Hills Howard & Associates	Exact match	Empangeni, South AfricaHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Wynleigh International Certification Services	Exact match	Durban, South AfricaHQ recorded Sep 28, 2026	1-10	11 contacts →
	Exact match “Wynleigh International Certification Services is a hallmark in the field of business excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Leaf Quality Systems	Exact match	Irene, South AfricaHQ recorded Sep 28, 2026	n/a	10 contacts →
	Exact match “Leaf Quality Systems (LEAF) empowers auditors and audit firms with training, technical support and specialist services to elevate audit quality.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Ishecon	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “ISHECON is a South African Department of Labour Approved Inspection Authority for MHI Risk Assessments and for Explosives Risk Assessments.” Recorded in the RevenueBase company graph · Sep 28, 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 “iso audit consulting 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 333 iso audit consulting firms based in South Africa

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Iso audit consulting firms based in South Africa at a glance

As of Sep 28, 2026

25.3%Verified-email coverage

6.8Average contacts per company

1-10Median size (employees)

15.9%Largest-city concentration · Johannesburg

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

225

11-50

51-200

201-500

501-1,000

10001+

Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 333 companies.

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.
What qualifies: Company records associated with South Africa whose business descriptions match “iso audit consulting 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 572 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 28, 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.

Iso audit consulting firms by metro

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 “iso audit consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso audit consulting firms are there based in South Africa?

RevenueBase identified 333 company matches for iso audit consulting firms associated with South Africa 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?

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

Which city has the most iso audit consulting firms?

Johannesburg leads with 53 company records, followed by Cape Town (35) and Pretoria (31).

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 572 professional contacts with verified work emails tracked across these 333 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 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 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.