Fintech Startups
11,808 companies tagged Fintech, with their investors and founders.
One Utility Bill consolidates utility bills for renters and residential customers into a single monthly payment. The company provides account management and customer operations services for household utilities including broadband, energy, and water.
2 investors
Onederful provides an API that gives dental practice software platforms real-time access to patient insurance eligibility and benefits information, enabling coverage verification, treatment plan estimates, and reduced claim rejections. Now part of Vyne Dental, the product connects dental offices to payers and pairs with Vyne Trellis, a dental revenue cycle management and billing platform.
2 investors
HubSpot offers an AI-powered customer platform built around its Smart CRM, unifying marketing, sales, and customer service data and tools in one place. It includes built-in AI agents that resolve customer inquiries, source leads, and generate content for businesses looking to grow revenue.
2 investors
OneKey helps site developers and operators identify optimal locations for building electric vehicle charging stations based on profitability analysis.
2 investors
OneLot provides inventory financing loans to used car dealerships, lending up to 80% of a vehicle's value with repayment upon sale. It serves used car dealers across the Philippines.
2 investors
OneNotary is a remote online notarization platform that lets individuals and businesses get legal documents notarized virtually with on-demand notaries available 24/7 across all 50 US states. It offers embeddable integrations and a REST API so companies can add e-notary and identity/signing workflows to their own products.
2 investors
Onex is a platform that helps medical device manufacturers find and establish relationships with suitable distributors across 70 countries, offering services including distributor matching, regulatory support, and marketing materials to streamline international expansion.
2 investors
OnMeta provides modular APIs and widgets for Web3 platforms to enable fiat-to-crypto on/off ramps, cross-border payouts, and checkout using local payment methods like UPI (India) and GCash (Philippines), settling in stablecoins or USD. It also offers built-in compliance modules (KYC, AML, sanctions screening) and white-labeled infrastructure, focused on India and the Philippines with expansion planned to Vietnam and Indonesia.
2 investors
Onramp Money provides fiat-to-crypto on/off-ramp infrastructure, offering an SDK, widget, and API that let wallets, exchanges, NFT platforms, and Web3 dApps enable users to buy, sell, and swap crypto using local payment methods. The service handles KYC, payment processing, and settlement across 400+ tokens, multiple blockchains, and 22 fiat currencies in over 30 countries spanning Asia, Europe, Latin America, and Africa.
2 investors
Onramp provides a payments platform designed for trucking carriers and merchants, enabling digital payment processing, pricing control, and fraud prevention.
2 investors
Onyx provides digital banking and wealth management services to young professionals with high income or significant illiquid assets from entrepreneurship, investing, or technology roles.
2 investors
OODA Health builds patient billing and claims-payment technology that coordinates payers, providers, and patients to handle healthcare payments at the point of care. The company works with U.S. health plans and provider systems and has entered an agreement to be acquired by Cedar.
2 investors
Opareta builds mobile infrastructure that helps mobile money agents digitize their operations while providing data analytics and working capital access to support business growth.
2 investors
OpenEnvoy provides an AI-based platform that digitizes accounts payable and receivable work, including invoice capture, expense coding, reconciliation, and approval workflows for finance teams. It integrates with existing systems such as purchase orders, contracts, and rate cards to reduce fraud, duplicates, overbilling, and revenue leakage.
2 investors
Open Lending provides automated, risk-based loan pricing and default protection technology for the auto lending industry, serving financial institutions such as banks, credit unions, and lenders. Its Lenders Protection product uses data analysis to price loans and includes insurance coverage from AM Best A-rated insurers.
2 investors
Openbucks operates a payment platform that lets online merchants accept prepaid, cash-based payments from consumers without bank accounts or credit cards, offering a no-chargeback guarantee. It also provides the Obucks gaming card accepted across gaming merchants, and integrates via PaysafeCard and Skrill APIs; it was acquired by Paysafe Group.
2 investors
OpenOcean is a DEX aggregator that routes trades across 1,000+ liquidity sources on 40+ EVM and non-EVM chains, including Solana, to find the best swap prices. It offers a REST API, SDKs, and AI Agent integration for Web3 developers, with features like MEV protection and low-latency responses.
2 investors
Operand provides private-markets intelligence for private equity firms, supporting commercial due diligence through post-close value creation. It also develops AI research including Operand Quant, a single-agent architecture for autonomous machine learning engineering.
2 investors
OppZo is an AI-powered fund manager that deploys debt and equity capital into small and medium-sized businesses located in federally designated Opportunity Zones, using AI-driven underwriting to pursue returns and tax advantages for investors. It manages specialized funds and co-investment partnerships targeting growth in high-potential markets, including businesses serving government-related contract markets.
2 investors
OpStart provides outsourced financial operations for startups, covering bookkeeping, tax filings, billing and invoicing, payroll support, and fractional CFO services such as KPI dashboards, forecasts, and fundraising materials. It serves US startups from pre-seed to Series C through dedicated controllers and finance experts.
2 investors
Optalitix provides an enterprise platform that consolidates pricing and underwriting workflows, enabling organizations to modernize their pricing models without disruption through incremental cloud migration and governance.
2 investors
Optasia operates a B2B2X financial infrastructure platform that enables credit at scale across emerging markets. The company processes hundreds of loans per second using AI models and serves over 1.4 billion unbanked adults through partnerships with banks, mobile network operators, and digital wallets across 38 countries.
2 investors
OptionMetrics provides historical options and implied volatility data to institutional investors, traders, and academic researchers worldwide. The company offers IvyDB databases and related data products covering US, European, Asian-Pacific, and Canadian markets for backtesting strategies, conducting quantitative research, and risk assessment.
2 investors
Oraan is a digital platform offering shariah-compliant digital committees (rotating savings groups) along with savings, investment, and budgeting tools and financial coaching, aimed primarily at Pakistani women and their households. The SECP-registered company lets members join verified committees, contribute fixed monthly instalments, and receive pooled payouts through a mobile app.
2 investors












