Company lists · Data refreshed September 2026

Top 11 Customer service outsourcing companies based in Johannesburg, South Africa

RevenueBase identified 30 company matches for customer service outsourcing companies associated with Johannesburg, South Africa as of September 2026 and tracks 4,939 professional contacts across them, including 614 with verified work emails and 86 with mobile numbers. Across South Africa, Cape Town is the largest hub for this category (40 companies); Johannesburg follows with 28.

This list covers company matches for customer service outsourcing companies associated with Johannesburg, 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 10, 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 10, 2026 How this list was built
30Companies
4,939Contacts tracked
614Verified emails
86Mobile numbers
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The 11 largest customer service outsourcing companies based in Johannesburg, South Africa

Ranked by team size
Top 11 of 30 company matches for customer service outsourcing companies based in Johannesburg, South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 10, 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 matchJohannesburg, South AfricaHQ recorded Sep 10, 20265,001-10,0003,654 contacts →

Exact match

“Merchants is a leading customer management partner specialising in business process outsourcing (BPO) that delivers customer experience and customer interactions.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
2Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 20261,001-5,000517 contacts →

Exact match

“iContact BPO is in the business of transforming global enterprises - because we provide the BPO solutions that organizations need to provide exceptional service.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
3Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 2026501-1,000160 contacts →

Exact match

“IntelliBPO is built on relationships first.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
4Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 20265,001-10,00085 contacts →

Exact match

“Founded in 2001, Office Beacon is a global leader in remote staffing managed services, providing innovative solutions that help businesses grow and scale efficiently.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
5Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 2026501-1,00073 contacts →

Exact match

“Altitude Group provides tailor-made customer interaction solutions to both the public and private sectors.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
6Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 2026201-50037 contacts →

Exact match

“As a leading South Africa outsourced contact centre provider, ELS Customer Experience delivers outstanding customer service, sales and retentions activity in partnership with our…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
7Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 202651-20024 contacts →

Exact match

“Omnichannel (also spelled omni-channel) is a multichannel approach to sales and customer service that seeks to provide the customer with a seamless shopping and customer…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
8Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 2026501-1,00021 contacts →

Exact match

“We offer business process outsourcing, functional outsourcing, knowledge-based outsourcing, management services provider, project management and vendor management.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
9Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 202651-20011 contacts →

Exact match

“Delivering the Ultimate Customer Experience, offering scalable outsourced solutions which manage the Customer’s Lifecycle from beginning to end, all based on a solid foundation of…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
10Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 202651-2005 contacts →

Exact match

“The strength of your workforce remains one constant variable in the efficiency of your business.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
11Exact matchJohannesburg, South AfricaHQ recorded Sep 10, 202611-501 contacts →

Exact match

“Empowering Growth, Maximizing Success.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase

Showing 11 of 30 customer service outsourcing companies based in Johannesburg, South Africa

See the full list, filter by size, metro and specialty, and access 614 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer service outsourcing companies based in Johannesburg, South Africa at a glance

As of Sep 10, 2026
12.4%Verified-email coverage
1.7%Mobile-number coverage
164.6Average contacts per company
51-200Median size (employees)
Sep 10, 2026Page data refreshed

Companies by employee count

1-10
3
11-50
7
51-200
6
201-500
3
501-1,000
5
1,001-5,000
2
5,001-10,000
3
10001+
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 13.0d

Company record updated

Median 83.0d

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 Johannesburg, South Africa whose business descriptions match “customer service outsourcing companies” 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 614 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 10, 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.

Customer service outsourcing companies by metro in South Africa

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 “customer service outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer service outsourcing companies are there based in Johannesburg, South Africa?

RevenueBase identified 30 company matches for customer service outsourcing companies associated with Johannesburg, 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?

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

Which city in South Africa has the most customer service outsourcing companies?

Cape Town leads South Africa with 40 company records, followed by Johannesburg (28) and Durban (20).

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 614 professional contacts with verified work emails tracked across these 30 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 10, 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.