Primary X
Corporate VCRosario · Pre-Seed–Series A
Investment thesis
Primary X operates as the innovation and corporate venture capital unit of A3 Mercados, investing in early-stage startups across fintech, crypto, and agrifintech (agrifintech). Beyond capital, it contributes strategic, tactical, and operational support including planning, networking, partnerships, and legal and finance services to help startups execute their vision. Its Crypto Lab develops A3 Mercados' crypto-asset strategy, building products based on blockchain technology, real-world asset tokenization, and web3 infrastructure, aiming to bridge traditional finance with the crypto ecosystem. The firm emphasizes innovation, collaboration, integrity, and proactivity in transforming the capital markets.
Source: firm website, verified Aug 7, 2026.
What they invest in
from 9 of 12 portfolio companiesFintech ×8Crypto & Web3 ×5Enterprise Software ×4SaaS ×4AgTech ×2Data & Infrastructure ×2AI & Machine Learning ×1Logistics & Supply Chain ×1
HQs:Argentina×4Bolivia×1Uruguay×1
Investments · 12 tracked
founders shown can be your intro pathAconcagua is a digital lending platform that gives businesses access to credit lines and guarantees using either traditional financial collateral (bonds, mortgages, pledges) or blockchain-based crypto assets as security.
Crypto & Web3FintechSaaS
Co-investorsLatitud VenturesMagma PartnersStartupsSur VenturesTheVentureCityNewtopia VC
Complif simplifies operational processes and reduces administrative burden for financial services institutions, enabling them to focus on growth and innovation.
Enterprise SoftwareFintechSaaSBuenos Aires, AR
Lucas Ranallo(Founder)inMathias Caramutti(Founder)in
Co-investorsFundersClubY Combinator
Efinti Holdings is a regulated financial holding operating two companies across Latin America: one providing cross-border payments, FX and treasury infrastructure for fintechs, banks and multinationals in emerging markets, and another offering regulated custody and capital preservation.
Crypto & Web3Enterprise SoftwareFintech
Invera provides embedded investment infrastructure that lets financial institutions offer investment products to their end users through APIs, front ends, and dashboards.
Enterprise SoftwareFintechSaaS
Agustin Ramello de la VegaPedro Mourelle
Co-investors500 Global
LB Finanzas is a financial services and investment platform that lets users invest and manage funds, with an emphasis on security features such as advanced authentication ("dispositivo seguro") and cybersecurity.
Fintech
Sky Blue Analytics provides customizable investment platform software for financial institutions.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechSaaSMontevideo, UY
Token City provides technological infrastructure and regulatory compliance for issuing, managing, and trading tokenized assets, including a white-label issuance and asset management platform, smart contract deployment, and record-keeping integration.
Crypto & Web3Data & InfrastructureFintech
Portfolio news
latest coverage across their companiesFrequently asked questions
- How many investments has Primary X made?
- Primary X has 12 tracked investments.
- What stage does Primary X invest at?
- Primary X invests at the Pre-Seed, Seed, Series A stages.
- What sectors does Primary X focus on?
- Primary X focuses on AgTech, Crypto & Web3, Fintech, Sector Agnostic.
- Where is Primary X located?
- Primary X is headquartered in Rosario, AR.
- Who does Primary X co-invest with?
- Primary X most often shares deals with FundersClub, Magma Partners, Techstars, among 10 tracked co-investors.
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