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 builds custom fintech software for banking, trading, investment, payments, and other financial products. Its teams create enterprise fintech platforms, mobile banking apps, digital wallets, trading interfaces, and financial data solutions. Services run from product discovery and UI/UX design to development, QA, cloud engineering, cybersecurity, and fintech team augmentation. Itexus specializes in regulated financial products and hard integrations with 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: Twarda 14, 00-824 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 supplies software development teams to companies building fintech platforms and digital financial products. It offers dedicated engineering teams, application development, cloud solutions, artificial intelligence, and software testing. Companies hire BairesDev when they need more engineers for banking apps, payment systems, or other fintech 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 builds digital products and enterprise software for companies in many industries, including financial services. It offers application development, cloud engineering, DevOps, data solutions, and technology consulting. In fintech, AI/R modernizes financial processes and designs digital experiences for both 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 builds digital platforms and software for businesses in Brazil. With financial organizations, it works on digital products, automation, moving to the cloud, and customer experience. Its services include software development, data solutions, agile consulting, and tech teams for companies that are 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 serves banks and financial institutions with software development, automation, cybersecurity, cloud services, and digital transformation. It helps them build financial applications, run operational platforms, and modernize their technology.
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 focuses on technology for financial markets, banking, and enterprise software. It builds digital banking systems, works with cloud platforms, data, and artificial intelligence, and modernizes applications. Because it concentrates on finance, GFT fits organizations with complex technology needs.
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 offers technology consulting to Brazilian companies. Its services include application development, data engineering, cloud solutions, automation, and digital transformation. For financial organizations, BRQ builds the technology behind their 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 offers software consulting and engineering to organizations building complex digital products. In the financial sector, it modernizes applications, builds digital platforms and data solutions, and shapes technology strategy. Thoughtworks suits businesses that want to improve existing systems or launch 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 builds digital solutions around cloud, data, software engineering, and technology modernization. It helps businesses, including financial companies, with application development and infrastructure projects.
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.