Fintech companies in São Paulo work with banks, financial institutions, startups, and businesses that need secure digital financial products. This list covers software development providers with experience in fintech applications, payment systems, banking platforms, integrations, and related technologies.
1. Itexus
Itexus develops custom fintech software for banking, trading, investment, payments, and other financial products. The company works on enterprise fintech platforms, mobile banking applications, digital wallets, trading interfaces, and financial data solutions. Its services include product discovery, UI/UX design, software development, QA, cloud engineering, cybersecurity, and fintech team augmentation. Itexus has a dedicated focus on regulated financial products and complex integrations, including banking APIs, payment providers, KYC systems, and trading infrastructure.
Key Facts
- Best for: Financial institutions and fintech companies building custom software products
- Core services: Fintech software development, mobile apps, digital banking, trading platforms, QA, DevOps
- Specialization: Banking, payments, wealth management, lending, investment platforms
- Location: United States with international delivery teams
- Notable strength: Experience with complex fintech integrations and regulated financial systems
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: Żurawia 6/12/lok 766, 00-503 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. BairesDev
BairesDev provides software development teams for companies building fintech platforms and digital financial products. Its services include dedicated engineering teams, application development, cloud solutions, artificial intelligence, and software testing. The company works with organizations that need additional technical capacity for banking applications, payment systems, and financial technology projects.
Key Facts
- Best for: Companies needing scalable engineering teams
- Core services: Custom software development, AI, cloud, QA, dedicated teams
- Specialization: Nearshore and distributed development
- Industries: Fintech, banking, healthcare, retail
- Location: Latin America with operations in Brazil
Contact Information
- Website: www.bairesdev.com
- Phone: +1 (408) 478-2739
- Address: Av. Presidente Juscelino Kubitschek, 1455, 4º andar, SAO PAULO, São Paulo, 04543-011, Brazil
- LinkedIn: www.linkedin.com/company/bairesdev
- Facebook: www.facebook.com/bairesdev
- Twitter: x.com/bairesdev
- Instagram: www.instagram.com/bairesdev
3. AI/R
AI/R develops digital products and enterprise software for companies across different industries, including financial services. The company provides application development, cloud engineering, DevOps, data solutions, and technology consulting. Its fintech-related work includes modernizing financial processes and creating digital experiences for customers and internal teams.
Key Facts
- Best for: Enterprises looking for software engineering support
- Core services: Application development, cloud, DevOps, consulting
- Specialization: Enterprise digital products
- Industries: Financial services, retail, healthcare
- Location: Brazil and international markets
Contact Information
- Website: aircompany.ai
- Address: Alexandre Dumas St., 1711, São Paulo, Brazil
- LinkedIn: www.linkedin.com/company/airevolutioncompany
- Facebook: www.facebook.com/airevolutioncompany
- Instagram: www.instagram.com/aircompany.ai
4. FCamara
FCamara creates digital platforms and software solutions for businesses in Brazil. The company works with financial organizations on digital products, automation, cloud adoption, and customer experience projects. Its services include software development, data solutions, agile consulting, and technology teams for companies building or improving fintech products.
Key Facts
- Best for: Brazilian companies developing digital financial services
- Core services: Software development, digital platforms, cloud, data
- Specialization: Digital business transformation
- Industries: Finance, retail, insurance
- Location: São Paulo, Brazil
Contact Information
- Website: fcamara.com.br
- Phone: (11) 3158-1049
- Email: rb.moc.aramacf@otatnoc
- Address: Rua Bela Cintra, 986 – 2º andar, Consolação, São Paulo – SP
- Facebook: www.facebook.com/grupofcamara
- Instagram: www.instagram.com/grupo.fcamara
5. Stefanini
Stefanini provides technology services for banks and financial institutions, including software development, automation, cybersecurity, cloud services, and digital transformation. The company supports organizations working on financial applications, operational platforms, and technology modernization projects.
Key Facts
- Best for: Financial organizations with broad technology needs
- Core services: Software development, automation, cybersecurity, cloud
- Specialization: Enterprise IT services
- Industries: Banking, insurance, financial services
- Location: São Paulo, Brazil
Contact Information
- Website: stefanini.com
- LinkedIn: www.linkedin.com/company/stefanini
- Instagram: www.instagram.com/stefanini\_na\_apac
6. GFT Brazil
GFT provides technology services focused on financial markets, banking, and enterprise software. The company develops solutions involving cloud platforms, data, artificial intelligence, application modernization, and digital banking systems. Its financial industry focus makes it relevant for organizations with complex technology requirements.
Key Facts
- Best for: Financial institutions requiring specialized engineering
- Core services: Software development, cloud, data, AI
- Specialization: Banking and financial markets
- Industries: Finance, insurance
- Location: Barueri and Sorocaba, São Paulo state, Brazil
Contact Information
- Website: www.gft.com
- Phone: +55 11 2176-3253
- Address: Alameda Rio Negro, n° 500 - 13° Andar - Torre A, Alphaville - Barueri, Brasil
- LinkedIn: www.linkedin.com/company/gft-technologies
- Facebook: www.facebook.com/gfttechnologies
- Twitter: x.com/gft\_tech
- Instagram: www.instagram.com/gft\_tech
7. BRQ Digital Solutions
BRQ Digital Solutions develops software and provides technology consulting for Brazilian companies. Its services include application development, data engineering, cloud solutions, automation, and digital transformation. The company works with financial organizations on technology projects supporting digital services.
Key Facts
- Best for: Enterprises needing software engineering services
- Core services: Development, consulting, data, cloud
- Specialization: Digital transformation
- Industries: Banking, finance, retail
- Location: São Paulo, Brazil
Contact Information
- Website: www.brq.com
- Phone: +55 (11) 2126-7000
- Address: Avenida Brigadeiro Faria Lima, 1336 – 7º andar, Jardim Paulistano, São Paulo – SP
- LinkedIn: www.linkedin.com/company/brq
- Instagram: www.instagram.com/brqdigital
8. Thoughtworks Brazil
Thoughtworks provides software consulting and engineering services for organizations building complex digital products. Its financial sector work includes application modernization, digital platforms, data solutions, and technology strategy. The company is suited for businesses looking to improve existing systems or create new digital services.
Key Facts
- Best for: Companies requiring software strategy and engineering
- Core services: Software development, consulting, cloud, data
- Specialization: Complex digital products
- Industries: Financial services, retail, technology
- Location: São Paulo, Brazil
Contact Information
- Website: www.thoughtworks.com
- Phone: +86 010 5602 1951
- Email: moc.skrowthguoht@rb-tcatnoc
- Address: Avenida Paulista, 2300, Edifício São Luis Gonzaga - Conjunto 41, Bela Vista, São Paulo, SP 01310-300
- LinkedIn: www.linkedin.com/company/thoughtworks
- Facebook: www.facebook.com/Thoughtworks
- Twitter: x.com/thoughtworks
- Instagram: www.instagram.com/thoughtworks
9. V8.TECH
V8.TECH develops digital solutions focused on cloud, data, software engineering, and technology modernization. The company supports businesses with application development and infrastructure projects, including solutions relevant to financial companies.
Key Facts
- Best for: Businesses modernizing technology infrastructure
- Core services: Software development, cloud, data engineering
- Specialization: Digital platforms
- Industries: Finance, retail, enterprise
- Location: São Paulo, Brazil
Contact Information
- Website: v8.tech
- Phone: (11) 2384-1083
- Address: Av. Roque Petroni Júnior, 850 – Vila Gertrudes, São Paulo – SP, 04707-000
- LinkedIn: www.linkedin.com/company/v8tech/home
- Instagram: www.instagram.com/v8tech.oficial
Conclusion
São Paulo has a strong fintech ecosystem supported by software companies working on banking platforms, payment solutions, financial applications, and enterprise technology projects. When selecting a development partner, companies should compare fintech experience, integration capabilities, security practices, and experience with the type of financial product they plan to build.