Company lists · Data verified August 2026

Top 21 Outbound marketing agencies based in Bulgaria

Name: Outbound marketing agencies based in Bulgaria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 132 companies tracked

There are 132 outbound marketing agencies headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 747 professional contacts across them, including 63 with verified work emails and 12 with mobile numbers. Sofia is the largest hub.

This list covers outbound marketing agencies headquartered in Bulgaria, 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.

132Companies

747Contacts tracked

63Verified emails

12Mobile numbers

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The 21 largest outbound marketing agencies based in Bulgaria

Ranked by team size

Top 21 of 132 outbound marketing agencies based in Bulgaria, 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	Braindonors	Sofia	11-50	32	15
2	Esbo LTD	Plovdiv	11-50	23	4
3	Etel Digital Agency	Sofia City	51-200	23	1
4	The Smarts	Sofia	11-50	23	1
5	Apollo Digital	Sofia	11-50	20	2
6	HOP Online	n/a	11-50	17	1
7	Shtrack	Varna	11-50	14	1
8	Concept Digital	Sofia City	1-10	10	5
9	Methodia WEB	Sofia	11-50	10	4
10	Skyrock Digital	Sofia	1-10	8	4
11	Romanovmedia	Sofia	11-50	8	3
12	Axis Digital	Plovdiv	11-50	8	1
13	Stellary Agency	Sofia City	1-10	7	1
14	Indigital	Sofia	1-10	7	1
15	Mediabasket LTD	Sofia	11-50	4	1
16	6 Elements	Sofia	1-10	3	1
17	Brandx	Stara Zagora	1-10	3	1
18	Shape Digital Marketing Agency	Sofia	1-10	2	1
19	Digital Copy PRO	Sofia	1-10	1	1
20	Ameiza	Sofia	1-10	1	1
21	Awsum Interactive JSC	Sofia	1-10	1	1

Showing 21 of 132 outbound marketing agencies based in Bulgaria

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Outbound marketing agencies based in Bulgaria at a glance

As of Aug 28, 2026

1-10Median size (employees)

SofiaLargest hub · 71 HQs

12Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Outbound marketing agencies by metro

Metro	Companies
Outbound marketing agencies in Sofia	71
Outbound marketing agencies in Sofia City	16
Outbound marketing agencies in Varna	15
Outbound marketing agencies in Plovdiv	9
Outbound marketing agencies in Burgas	4
Outbound marketing agencies in Sofiia Sofiia	2
Outbound marketing agencies in Stara Zagora	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 “outbound marketing agencies”, with match quality audited by blind human judging, and headquartered in Bulgaria.
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; 1 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 outbound marketing agencies are there based in Bulgaria?

There are 132 outbound marketing agencies headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

Braindonors, headquartered in Sofia, tops this list with the largest team on record.

Which city has the most outbound marketing agencies?

Sofia leads with 71 headquartered companies, followed by Sofia City (16) and Varna (15).

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 63 verified decision-maker contacts tracked across these 132 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.