B4

somosb4.com.br

Sao Paulo, State of Sao Paulo, Brazil

11-50 employees

LinkedIn Profile

About B4

it services & it consulting, b2c, document signing platform, d2c, e-commerce, services, information technology and services, assinatura avançada, certificate revocation, document verification, legal validity, government, education, segurança digital, certificado digital, verificação de certificado digital, workflow digital, e-cpf, e-cnpj, cloud certificates

B4's Tech Stack

AI/ML

Decision Makers at B4

1 contact

Rafael Almeida

Founder

r***@b4sign.com.br Sign up to view

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17 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

B4's Position in the StackWho Database

• B4 is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 6,958 companies in State of Sao Paulo are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as B4).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does B4 use?

B4 uses Amazon CloudFront, Route 53, Amazon SES, Amazon AWS, Microsoft Azure, JQuery 2.1.1, and 11 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at B4?

StackWho has verified email addresses for 1 decision maker at B4. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach B4 directly for sales, recruiting, or partnerships.

What industry is B4 in?

B4 operates in the information technology & services industry, headquartered in Sao Paulo, State of Sao Paulo, Brazil. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export B4's contact data?

Yes. StackWho Pro members can export decision maker contact data for B4 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.