About Circular Brain
Circular Brain is an Environment company based in Sao Paulo (Brazil) founded in 2019 by Marcus William Oliveira. E-waste lifecycle management solutions are developed for manufacturers and recyclers. Circular Brain has raised $4.05 million across 2 funding rounds from investors including Lorene, Barn Invest and BR Angels. Circular Brain offers products and services including Circulare Platform and LogÃstica Reversa Individual. Its focus areas include Environment Tech, Solid Waste Management Tech, Recycling and Recycling IT.
Company details
Developer of e-waste lifecycle management solutions. It offers reverse logistics solutions for electronics manufacturers and importers, environmental disposal services for businesses, and a platform for tracking e-waste throughout its lifecycle for recyclers. The company partners with e-waste recyclers to meet legal requirements, promoting technology adoption, best practices, and job creation through manual reverse manufacturing. Its solutions connect various market players to transform electronic waste disposal within a circular economy framework.
- Headquarters Sao Paulo, Brazil
- Founders Marcus William Oliveira
- SectorsEnvironment
- Email••••••••
- Phone•••• ••••
- Website circularbrain.io
- Social LinkedIn Facebook Instagram YouTube
- Total Equity Funding$4.05M (USD)
in 2 rounds
- Latest Funding Round$3.5M (USD), Seed
May 2025
- InvestorsLorene
& 2 more
Products & Services of Circular Brain
Circular Brain offers a comprehensive portfolio of products and services, including Circulare Platform and Logística Reversa Individual.
Platform for tracking and managing electronic waste lifecycle.
Service for environmentally compliant electronic waste collection.
Apps and channels of Circular Brain
its YouTube channel Contato Circulare has 743 subscribers and 18 videos.
Videos from Circular Brain
The most watched videos on Circular Brain's YouTube channel, Contato Circulare (743 subscribers). Click a video to play it here.
More on Contato Circulare.
Funding Insights of Circular Brain
Circular Brain has successfully raised a total of $4.05M across 2 strategic funding rounds. The most recent funding activity was a Seed round of $3.5 million completed in May 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $4.05M
- Total Rounds 2
- Last Round Seed — $3.5M
- First Round $553,761
(Jul 2022)
- Investors Count 3
All 2 funding rounds of Circular Brain with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| May 2025 | $3.5M | Seed | – | – | |
| Jul 2022 | $553,761 | Seed | – | Barn Invest |
3 investors in total: 3 institutional.
Investors in Circular Brain
Circular Brain has secured backing from 3 investors, including venture fund investors. Prominent investors backing the company include Lorene, Barn Invest and BR Angels.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Barn Invest is focused on greentech investments in Latin America. | barninvest.com.br | Sao Paulo, Brazil | ||
BR Angels is engaged in angel investment for startups. | brangels.global | Brazil | ||
Lorene is engaged in urban mining and recycling services. | 1997 | lorene.com.br | São Paulo, Brazil |
Investor details for Circular Brain
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Circular Brain
3 people are tracked at Circular Brain (1 in leadership, 2 in team).
| Name | Role | Group |
|---|---|---|
Marcus William Oliveira | Founder | Leadership |
Livia Palmeira Santarelli | Coordenador De Marketing | Team |
Thaís Regina Boppré Melara | Analista de Marketing Ambiental | Team |
Complete people profiles for Circular Brain
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Circular Brain
3 dated milestones of Circular Brain across 6 years, from founding to its latest funding, stage changes and deals.
- Founded Circular Brain is founded.
- Funding First funding round of $554K.
- Funding Latest funding round, Seed, of $3.5M.
Web traffic of Circular Brain
The website of Circular Brain (circularbrain.io) receives about 2.2K visits a month.
- Monthly visits2.2K
▲ 74.7% vs previous month
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Frequently Asked Questions about Circular Brain
Circular Brain was founded in 2019 and raised its 1st funding round 3 years after it was founded.
Circular Brain is headquartered in Sao Paulo, Brazil.
Circular Brain is a funded company, having raised a total of $4.05M across 2 funding rounds to date. The company's 1st funding round was a Seed of $553.76K, raised on Jul 2022.
Developer of e-waste lifecycle management solutions. It offers reverse logistics solutions for electronics manufacturers and importers, environmental disposal services for businesses, and a platform for tracking e-waste throughout its lifecycle for recyclers. The company partners with e-waste recyclers to meet legal requirements, promoting technology adoption, best practices, and job creation through manual reverse manufacturing. Its solutions connect various market players to transform electronic waste disposal within a circular economy framework.
Circular Brain offers Circulare Platform and LogÃstica Reversa Individual.
Circular Brain has 3 investors. Key investors include Lorene, Barn Invest, and BR Angels.