Company lists · Data refreshed September 2026

Top 25 Business process audit services worldwide

RevenueBase identified 4,345 business process audit services worldwide as of September 2026 and tracks 26,445 professional contacts across them, including 3,732 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers business process audit services worldwide, 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 27, 2026. Country and city lists for business process audit services follow the table.

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 27, 2026 86% judged on-target in blind review
4,345Companies
26,445Contacts tracked
3,732Verified emails
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The 25 largest business process audit services worldwide

Ranked by team size
Top 25 of 4,345 business process audit services worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to business process audit services: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceMumbai, IndiaHQ checked Sep 27, 202610001+1,466 contacts →

Partial evidence

“We’re Tech Mahindra Business Process Services.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 27, 2026501-1,000310 contacts →

Partial evidence

“At OKIN Process, we won’t just lighten your workload.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceJakarta, IndonesiaHQ checked Sep 27, 2026201-500281 contacts →

Partial evidence

“KPSG Group provides you with the people, process, and technology you need to improve your customer and employee experiences.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceBratislava, SlovakiaHQ checked Sep 27, 2026201-500226 contacts →

Partial evidence

“We help our clients analyze markets and competition, evaluate efficiency of their processes/organization and understand latest trends & technology.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceCascavel, BrazilHQ checked Sep 27, 202651-200222 contacts →

Indirect evidence

“Com o propósito de transformar, potencializar e perpetuar negócios, apoiamos as empresas na gestão empresarial de resultado.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceDrammen, NorwayHQ checked Sep 27, 202651-200202 contacts →

Indirect evidence

“At Addovation, we help businesses optimize their operations with tailored business solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
7Strong evidenceSão Paulo, BrazilHQ checked Sep 27, 202651-200177 contacts →

Strong evidence

“ABordin has provided high-quality services in the following areas, for the past 37 years: Business Process Outsourcing, Audit and Tax Consulting, Individual Income Tax…”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceMunich, GermanyHQ checked Sep 27, 202651-200152 contacts →

Indirect evidence

“Die [bu:st] group GmbH ist ein erfolgreich wachsendes Beratungsunternehmen in München mit Schwerpunkten im Bereich der Analyse, Optimierung und Unterstützung von Entwicklungs- und…”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceEsbjerg, DenmarkHQ checked Sep 27, 2026201-500152 contacts →

Indirect evidence

“At KJ Industries we have over five decades of experience with making our clients winners.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-200142 contacts →

Indirect evidence

“Here at Herren, our goals are to drive efficiency and maximize the value of every dollar our clients spend.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceVisakhapatnam, IndiaHQ checked Sep 27, 2026201-500133 contacts →

Partial evidence

“ACN Infotech is a leading worldwide provider of Business Process Management (BPM) Solutions, Business Process Outsourcing (BPO) Solutions and IT Services to small, medium, and…”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceMunstergeleen, NetherlandsHQ checked Sep 27, 202651-200129 contacts →

Indirect evidence

“Perfact.”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceMilano, ItalyHQ checked Sep 27, 202651-200114 contacts →

Partial evidence

“Valuement Group is an international consulting company specializing in improving business processes and organizations, with a strong focus on generating savings through a…”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 27, 202651-20085 contacts →

Indirect evidence

“Growth Hub embeds operational teams inside professional services firms.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceUnited StatesHQ checked Sep 27, 2026201-50085 contacts →

Indirect evidence

“Infused Solutions offers a unique, results-oriented approach to engaging our customers thorough analysis of their business functions and objectives.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 27, 202651-20084 contacts →

Indirect evidence

“Proservartner is an international consulting firm.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidencePune, IndiaHQ checked Sep 27, 202651-20084 contacts →

Partial evidence

“Catalydd Engineering and Consulting aims to be a catalyst in enhancing performance of all techno-commercial processes, within the portfolio of Engineering Industry.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceJakarta, IndonesiaHQ checked Sep 27, 202651-20082 contacts →

Indirect evidence

“Indonesia's Leading Business and Management Solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceMadrid, SpainHQ checked Sep 27, 202611-5081 contacts →

Indirect evidence

“We are a consulting company.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceFarmington, CT, United StatesHQ checked Sep 27, 2026501-1,00080 contacts →

Partial evidence

“At Niktor, we help you get the most out of your business, no matter how big or how small, and no matter your industry or field, with a combination of process excellence, quality…”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceIndore, IndiaHQ checked Sep 27, 202651-20073 contacts →

Partial evidence

“At ABIC (established in the year 2003), we focus on streamlining your business processes.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceThailandHQ checked Sep 27, 202651-20072 contacts →

Indirect evidence

“Innoviz Solutions Co, Ltd.”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceBengaluru, IndiaHQ checked Sep 27, 202651-20072 contacts →

Partial evidence

“At V Software Consulting, Our services are designed to increase business growth, streamline existing processes, improve productivity and company efficiency.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceBergen, NorwayHQ checked Sep 27, 202651-20070 contacts →

Indirect evidence

“Management Consulting med varige gevinster, med kontorer i Bergen, Oslo, Stavanger og Trondheim.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceWarszawa, PolandHQ checked Sep 27, 202651-20069 contacts →

Indirect evidence

“Mac Auditor od 1994 roku świadczy na rzecz klientów biznesowych usługi z obszaru audytu, outsourcingu usług księgowych i kadrowo-płacowych oraz doradztwa.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 4,345 business process audit services worldwide

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Business process audit services worldwide at a glance

As of Sep 27, 2026
14.1%Verified-email coverage
6.1Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
3,485
11-50
693
51-200
125
201-500
23
501-1,000
6
1,001-5,000
4
5,001-10,000
1
10001+
2

Email recency is reported on each country list linked below.

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 business process 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.
Coverage
Every country. Country and city lists for business process audit services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “business process 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 business process 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 business process audit services, and records with no verified work email.
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, 3,732 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 27, 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.

Business process audit services by location

18 lists · largest first

Every Business process audit services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 business process 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 business process audit services are there worldwide?

RevenueBase identified 4,345 business process audit services worldwide 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?

Tech Mahindra Business Process Services, headquartered in Mumbai, tops this list with the largest team on record.

Which country has the most business process audit services?

The United States leads with 802 companies, followed by Brazil (417) and the United Kingdom (181). Every business process audit services list by country and city is linked on this page.

Which city has the most business process audit services?

Sao Paulo leads with 109 headquartered companies, followed by London (48) and Melbourne (33).

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 3,732 verified decision-maker contacts tracked across these 4,345 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 27, 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.