Company lists · Data verified August 2026

Top 25 Digital signature software companies based in Brazil

Name: Digital signature software companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 99 companies tracked

There are 99 digital signature software companies headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 2,225 professional contacts across them, including 703 with verified work emails and 28 with mobile numbers. Sao Paulo is the largest hub.

This list covers digital signature software companies headquartered in 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.

99Companies

2,225Contacts tracked

703Verified emails

28Mobile numbers

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The 25 largest digital signature software companies based in Brazil

Ranked by team size

Top 25 of 99 digital signature software companies based in 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	Certisign	Sao Paulo	501-1,000	657	150
2	Soluti Digital	Goiania	501-1,000	491	153
3	Clicksign	Sao Paulo	201-500	292	138
4	Quick Soft Tecnologia	Blumenau	51-200	133	61
5	D4sign	Sao Paulo	51-200	94	44
6	EVAL	Sao Paulo	51-200	87	31
7	Lacuna Software	Brasilia	11-50	53	28
8	Certdox	Sao Paulo	11-50	43	15
9	Qualisign	Sao Paulo	11-50	28	16
10	Autentique	Erechim	11-50	22	13
11	B4	Sao Paulo	11-50	21	2
12	Forsign	Sao Paulo	11-50	20	11
13	Fepweb By Sinqia	Sao Paulo	11-50	15	9
14	Greendoc	Maceio	11-50	13	1
15	Assine BEM	Sao Paulo	1-10	10	3
16	Plurio ID	Sao Paulo	11-50	10	2
17	Flixsign	Sao Paulo	1-10	9	1
18	UR Company - Brasil	Sao Paulo	11-50	7	5
19	A7y Tecnologia E Participacoes	Sao Paulo	11-50	7	1
20	Assinaweb	Indaiatuba	11-50	6	4
21	HI Sign	Passo Fundo	11-50	6	1
22	Fast4sign	Sao Paulo	11-50	5	1
23	Activeweb Segurança Digital	Curitiba	11-50	3	3
24	Signater	Curitiba	11-50	3	2
25	Nexyon	Sao Paulo	11-50	3	1

Showing 25 of 99 digital signature software companies based in Brazil

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Digital signature software companies based in Brazil at a glance

As of Aug 28, 2026

11-50Median size (employees)

Sao PauloLargest hub · 29 HQs

28Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Digital signature software companies by metro

Metro	Companies
Digital signature software companies in Sao Paulo	29
Digital signature software companies in Curitiba	6
Digital signature software companies in Goiania	5
Digital signature software companies in Campinas	3
Digital signature software companies in Natal	3
Digital signature software companies in Belo Horizonte	2
Digital signature software companies in Diadema	2

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 “digital signature software companies”, with match quality audited by blind human judging, and headquartered in 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; 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 digital signature software companies are there based in Brazil?

There are 99 digital signature software companies headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

Certisign, headquartered in Sao Paulo, tops this list with the largest team on record.

Which city has the most digital signature software companies?

Sao Paulo leads with 29 headquartered companies, followed by Curitiba (6) and Goiania (5).

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 703 verified decision-maker contacts tracked across these 99 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.