Company lists · Data verified August 2026

Top 15 Ad tech consulting firms based in Rio De Janeiro, Brazil

Name: Ad tech consulting firms based in Rio De Janeiro, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 70 companies tracked

There are 70 ad tech consulting firms headquartered in Rio De Janeiro, Brazil (RevenueBase, August 2026). RevenueBase tracks 268 professional contacts across them, including 42 with verified work emails and 10 with mobile numbers. Sao Paulo is the largest hub.

This list covers ad tech consulting firms headquartered in Rio De Janeiro, Brazil, 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.

70Companies

268Contacts tracked

42Verified emails

10Mobile numbers

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The 15 largest ad tech consulting firms based in Rio De Janeiro, Brazil

Ranked by team size

Top 15 of 70 ad tech consulting firms based in Rio De Janeiro, Brazil, 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	Koko Agency	Rio De Janeiro	11-50	38	11
2	Marktech	Rio De Janeiro	11-50	20	11
3	Sensorial Webhouse	Rio De Janeiro	11-50	13	5
4	Fulllab	Rio De Janeiro	11-50	7	1
5	Agência B5	Rio De Janeiro	11-50	7	1
6	Az9 Marketing 360	Rio De Janeiro	11-50	6	2
7	Solutionads Coupons	Rio De Janeiro	11-50	4	1
8	Plantão Online	Rio De Janeiro	1-10	3	1
9	F3 House	Rio De Janeiro	1-10	3	1
10	Eloah Soluções	Rio De Janeiro	1-10	3	1
11	Reisa Tech	Rio De Janeiro	1-10	2	2
12	Crafted	Rio De Janeiro	1-10	2	1
13	Evolutio	Rio De Janeiro	1-10	2	1
14	Agência KI	Rio De Janeiro	11-50	1	1
15	Franco Marketing Consulting	Rio De Janeiro	1-10	1	1

Showing 15 of 70 ad tech consulting firms based in Rio De Janeiro, Brazil

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Ad tech consulting firms based in Rio De Janeiro, Brazil at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sao PauloLargest hub · 317 HQs

10Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Ad tech consulting firms by metro in Brazil

Metro	Companies
Ad tech consulting firms in Sao Paulo	317
Ad tech consulting firms in Rio De Janeiro	70
Ad tech consulting firms in Curitiba	62
Ad tech consulting firms in Belo Horizonte	40
Ad tech consulting firms in Porto Alegre	28
Ad tech consulting firms in Brasilia	24
Ad tech consulting firms in Florianopolis	23
Ad tech consulting firms in Recife	23

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 “ad tech consulting firms”, with match quality audited by blind human judging, and headquartered in Rio De Janeiro, Brazil.
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 ad tech consulting firms are there based in Rio De Janeiro, Brazil?

There are 70 ad tech consulting firms headquartered in Rio De Janeiro, Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Koko Agency, headquartered in Rio De Janeiro, tops this list with the largest team on record.

Which city has the most ad tech consulting firms?

Sao Paulo leads with 317 headquartered companies, followed by Rio De Janeiro (70) and Curitiba (62).

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 42 verified decision-maker contacts tracked across these 70 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.