Guy Bentley

A network for entrepreneurs building in stealth. Submit your information here so investors can find you: harmonic.ai/get-discovered

The agentic economy is here, but it cannot progress until AI agents can autonomously access and operate across real-world systems and services. Sapiom gives AI agents trusted access to the API economy. We provide the essential infrastructure (KYA, wallets, spending and usage controls, and multi-rail payments) to unlock secure, programmatic commerce for the AI era. Built for the next era of commerce where agents buy, sell, and negotiate on our behalf. Were backed by world-class investors and are hiring exceptional engineers in SF to define the financial infrastructure for the agentic era. Learn more & join us: https://www.sapiom.ai

Damisa is building the next generation of Treasury and Financial Operations infrastructure for enterprises operating across borders, especially on emerging markets. We provide a full suite of Payments and Treasury solutions, enabling businesses to Collect, Disburse, and Hold funds, open Bank accounts, access Foreign Exchange and Yield products and automate complex financial workflows with ease. Our programmable wallets help enterprises reduce counterparty risk and unlock new revenue opportunities by protecting funds until payment conditions are met; enhancing trust in every transaction. Through Damisa API, enterprises and fintechs can connect to local payment partners, manage liquidity, and transact seamlessly in 25+ currencies; unlocking faster, cheaper, and more reliable cross-border operations. Backed by a mission to bridge traditional and on-chain finance, Damisa empowers global businesses to reduce costs, increase efficiency, and expand confidently across markets.

The latest generation of AI models achieves breakthrough performance by spending vastly more tokens to solve complex problems. Demand is now compounding faster than the infrastructure beneath it can scale. The constraint sits in how tokens are made. Producing a token is not one operation but many, each placing different demands on hardware, yet every AI system in production runs them all on the same general purpose chip. Moving work between chips has always cost too much energy and time for anything else to be viable. That compromise is why the current approach cannot deliver high throughput and high interactivity at low cost, however large the single chip grows, and and why tokens remain scarce and expensive. Continuing AIs advance, and making it available to everyone, requires the datacentre to be rebuilt the way every great factory has been built: as a production line, with specialised machines and fast, cheap movement between them. OLIX is building that production line: the token factory for frontier AI. If you like working on the hardest and most consequential problems, we want you at OLIX. We are hiring across London, Bristol, Austin, Toronto and San Francisco. Check out our careers page at olix.com/careers.

Stealth AI Startup is a private community for founders, researchers, and engineers building next-generation AI companies before public launch. Founders tag themselves here to: 🔹 Gain credibility while working in stealth 🔹 Connect discreetly with other AI founders 🔹 Receive inbound interest from early-stage VCs 🔹 Join curated founder-only circles & discussions 🔹 Access hiring pipelines for early team building If youre building an AI startup in stealth, add your profile to the community and tag yourself to this page. Your stealth journey deserves visibility — without revealing your idea. Join the world’s largest AI stealth founder network.

Embed bank accounts, payments, and all kinds of financial products quickly via our simple API. Build on regulated infrastructure thats safe, compliant and secure. Griffin is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and Prudential Regulation Authority. Our firm reference number is 970920.

Overlooked and unaddressed inefficiencies are slowing down our most vital industries. Whether in utilities, construction, facilities management, logistics, or beyond - complex infrastructure and siloed legacy systems are hampering productivity. Traditional off-the-shelf software can’t address these unique challenges—and few organisations have the resources for custom-built solutions. Cogna is a precision solutions provider that uses AI to automate the IT consultancy process to identify the trickiest business pain points and create simple, usable solutions to remedy them. We put software creation into our customers hands, letting them describe their own challenges and delivering AI-powered custom software in days, not months or years, at a fraction of typical costs.

Built on over a decade of CNRS research, pyannote AI offers state-of-the-art solutions for voice AI. Our mission? Empowering global teams to excel with world-class products through advanced conversational speech AI. Introducing our flagship diarization model, setting a new industry standard. Accessible via on-premise deployment or a seamless API, its a game-changer. Join us on this incredible journey!

Stealth FinTech Startup

Most payment stacks treat account and wallet payments as passive methods.
We don’t. Nopan is a specialized PSP built by former large-merchant payment leaders, designed to turn account and wallet payments into measurable revenue drivers. Because performance doesn’t come from technology alone. It comes from how payments are designed, tested, and optimized in real-world environments.

Pre-seed / seed angel fund, focused on founders that can utilize fintech - Rerail invests $200-500k checks in pre-seed / seed - Backed and supported by founders and operators

Global payout infrastructure

Technology, Information and Fintech

Silverflow is the new standard in payment processing, designed for todays payment needs and fit for the future. A cloud-native solution with a single API to the card networks. One platform with one connection. Reducing cost and complexity, easy to use, data-rich, Silverflow frees you to innovate.

We back ambitious founders building the future of enterprise technology. From inception through every flavour of pre-seed and seed, we provide the right resources at the right time, supporting founders as they scale globally. We’re people helping people dream, deliver, and win. The definition of enterprise software is evolving, and driving our investment strategy. Deep tech, fintech, healthcare, and hardware startups are shaping the next frontier of enterprise solutions—addressing immediate business needs while redefining industries. The globalization of early-stage funding is unlocking new opportunities, making geographic boundaries less relevant. We’ve embraced a borderless investment mindset, actively supporting founders across the UK, EU, U.S., and Israel. By fostering a more interconnected startup ecosystem, we help bold entrepreneurs build category-defining companies with global impact.

A network for entrepreneurs building in stealth. Submit your information here so investors can find you: harmonic.ai/get-discovered

The agentic economy is here, but it cannot progress until AI agents can autonomously access and operate across real-world systems and services. Sapiom gives AI agents trusted access to the API economy. We provide the essential infrastructure (KYA, wallets, spending and usage controls, and multi-rail payments) to unlock secure, programmatic commerce for the AI era. Built for the next era of commerce where agents buy, sell, and negotiate on our behalf. Were backed by world-class investors and are hiring exceptional engineers in SF to define the financial infrastructure for the agentic era. Learn more & join us: https://www.sapiom.ai

Damisa is building the next generation of Treasury and Financial Operations infrastructure for enterprises operating across borders, especially on emerging markets. We provide a full suite of Payments and Treasury solutions, enabling businesses to Collect, Disburse, and Hold funds, open Bank accounts, access Foreign Exchange and Yield products and automate complex financial workflows with ease. Our programmable wallets help enterprises reduce counterparty risk and unlock new revenue opportunities by protecting funds until payment conditions are met; enhancing trust in every transaction. Through Damisa API, enterprises and fintechs can connect to local payment partners, manage liquidity, and transact seamlessly in 25+ currencies; unlocking faster, cheaper, and more reliable cross-border operations. Backed by a mission to bridge traditional and on-chain finance, Damisa empowers global businesses to reduce costs, increase efficiency, and expand confidently across markets.

The latest generation of AI models achieves breakthrough performance by spending vastly more tokens to solve complex problems. Demand is now compounding faster than the infrastructure beneath it can scale. The constraint sits in how tokens are made. Producing a token is not one operation but many, each placing different demands on hardware, yet every AI system in production runs them all on the same general purpose chip. Moving work between chips has always cost too much energy and time for anything else to be viable. That compromise is why the current approach cannot deliver high throughput and high interactivity at low cost, however large the single chip grows, and and why tokens remain scarce and expensive. Continuing AIs advance, and making it available to everyone, requires the datacentre to be rebuilt the way every great factory has been built: as a production line, with specialised machines and fast, cheap movement between them. OLIX is building that production line: the token factory for frontier AI. If you like working on the hardest and most consequential problems, we want you at OLIX. We are hiring across London, Bristol, Austin, Toronto and San Francisco. Check out our careers page at olix.com/careers.