One
1 known investors
ONE.io provides financial services for a global business and institutional client base, offering multi-currency business accounts, global payments, and spot FX alongside crypto trading, conversion, and payment processing. Founded in 2017 as an OTC digital asset trading desk, it holds a payment institution license from the FCA and operates through a network of banking partners.
Also known as ONE.io · ONE.io Connect · ONE.io Fusion · Oneio International Limited
Investors · 1
Company profile
researched Aug 2026ONE.io is a financial services provider that offers business customers a single onboarding route to multi-currency accounts, cross-border payments, foreign exchange, and digital asset services. The group operates through two brands: ONE.io Connect, which supplies named IBANs in currencies including USD, EUR and GBP together with access to payment rails such as SWIFT, SEPA Instant and Faster Payments, plus corporate currency exchange with real-time rate streaming and single-click execution; and ONE.io Fusion, which provides crypto trading through an automated platform and a 24/7 OTC desk, as well as a crypto payment gateway with integrated fiat conversion and settlement into business accounts.
The company describes its offering as an end-to-end solution underpinned by a network of banking partners and a framework of licenses, including a payment institution license obtained from the UK Financial Conduct Authority. Fusion serves both businesses accepting crypto payments and high-net-worth and institutional clients trading digital assets, quoting all-in rates with no slippage across more than 20 supported coins and major cryptocurrency and fiat pairs. The legal entity Oneio International Limited states that it does not actively solicit clients in the EU.
Founding story
ONE.io was founded in 2017 as an OTC digital asset trading desk serving high-net-worth individuals, corporates and institutional clients globally.
Business model
ONE.io sells financial infrastructure directly to business clients, combining multi-currency business accounts, cross-border payments and FX with crypto acceptance and trading, delivered through a group structure with two customer-facing brands and a single onboarding journey.
The company references low fees on payments, competitive spot FX rates, and all-in crypto trading rates with no slippage or hidden fees, indicating transaction- and spread-based pricing.
Traction
The Connect business reports more than £8bn in international business payments processed annually, over 60,000 individual transactions per year, and support for hundreds of clients. Fusion reports annualised crypto trading volume of more than £1.3bn and support for over 20 coins.
Latest developments
A client testimonial published on the ONE.io Fusion site is dated June 2025, and the site cites a UK Fintech Crypto Award win.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
The company positions itself as an alternative to traditional business banking, offering combined fiat and crypto services under one provider, and cites a UK Fintech Crypto Award win.
ONE.io emphasises a unified end-to-end offering combining regulated payments, multi-currency accounts and FX with 24/7 crypto trading and settlement through a single onboarding process, plus sector-specific expertise cited by iGaming clients.
Technology
ONE.io operates a proprietary payments platform launched in 2021, with named multi-currency IBANs, connectivity to major payment rails (SWIFT, SEPA Instant, Faster Payments), real-time FX rate streaming with single-click execution, an automated crypto trading platform, and a crypto payment gateway with integrated fiat conversion and settlement.
Go-to-market
Direct sales through consultation with its team, supported by client references from businesses including Yolo Group, Spribe, Sportybet, Drinbet and UK Punters.
Businesses trading internationally across multiple sectors, with stated experience in iGaming and betting, alongside high-net-worth individuals, corporates and institutional clients for crypto trading.
Geography
Serves a global client base, supporting business payments in more than 200 countries and territories; the entity Oneio International Limited states it does not actively solicit clients in the EU. Its payment institution license was granted by the UK FCA.
History
Founded in 2017 as an OTC digital asset trading desk, the company observed that clients faced difficulty with settlements and with opening and maintaining business accounts. It shifted focus toward payment services, obtained a payment institution (PI) license from the UK Financial Conduct Authority in 2020, and launched its proprietary payments platform in 2021. The group now operates ONE.io Connect for accounts, payments and FX, and ONE.io Fusion for crypto trading and payment processing.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 3
launches, deals, and filingsONE.io Fusion's site identifies the company as a UK Fintech Crypto Award winner.
The company launched its own payments platform following its move into payment services.
ONE.io obtained a payment institution license from the UK Financial Conduct Authority as part of its shift from OTC digital asset trading to payment services.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- Oneone.io · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does One do?
- ONE.io provides business accounts, global payments, spot FX and crypto trading and payment processing for business clients.
- Who are One's investors?
- One's investors include Yolo Investments.