Company lists · Data verified August 2026

Top 13 Customer support outsourcing companies based in Serbia

Name: Customer support outsourcing companies based in Serbia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 33 companies tracked

There are 33 customer support outsourcing companies headquartered in Serbia (RevenueBase, August 2026). RevenueBase tracks 975 professional contacts across them, including 125 with verified work emails and 11 with mobile numbers. Belgrade is the largest hub.

This list covers customer support outsourcing companies headquartered in Serbia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

33Companies

975Contacts tracked

125Verified emails

11Mobile numbers

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The 13 largest customer support outsourcing companies based in Serbia

Ranked by team size

Top 13 of 33 customer support outsourcing companies based in Serbia, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	MPLUS	Belgrade	10001+	214	2
2	Contact Service	Belgrade	51-200	123	4
3	Teamwhale	Belgrade	201-500	83	36
4	Workanova	Belgrade	51-200	62	2
5	Callosseum Contact Centre	Stari Grad	51-200	32	14
6	Let's Process IT	Belgrade	11-50	17	10
7	Coris Assistance	Belgrade	51-200	17	7
8	Paradox Consulting DOO	Novi Sad	51-200	16	1
9	Global Bond DOO	Belgrade	51-200	13	7
10	Nexus Technology	Belgrade	11-50	13	1
11	Local Sales Force	Belgrade	11-50	12	2
12	Sitel SBA	Belgrade	11-50	12	1
13	ACC Solutions AG	Belgrade	11-50	7	3

Showing 13 of 33 customer support outsourcing companies based in Serbia

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Customer support outsourcing companies based in Serbia at a glance

As of Aug 28, 2026

51-200Median size (employees)

BelgradeLargest hub · 19 HQs

11Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

Customer support outsourcing companies by metro

Metro	Companies
Customer support outsourcing companies in Belgrade	19
Customer support outsourcing companies in Novi Sad	7
Customer support outsourcing companies in Nis	1
Customer support outsourcing companies in Stari Grad	1
Customer support outsourcing companies in Belgrade Vracar	1
Customer support outsourcing companies in Beograd	1
Customer support outsourcing companies in New Belgrade	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “customer support outsourcing companies”, with match quality audited by blind human judging, and headquartered in Serbia.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many customer support outsourcing companies are there based in Serbia?

There are 33 customer support outsourcing companies headquartered in Serbia as of August 2026 (RevenueBase).

What is the largest company on this list?

MPLUS, headquartered in Belgrade, tops this list with the largest team on record.

Which city has the most customer support outsourcing companies?

Belgrade leads with 19 headquartered companies, followed by Novi Sad (7) and Nis (1).

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 125 verified decision-maker contacts tracked across these 33 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.