About ISX UK
ISX Financial UK Ltd is a UK FCA Authorised eMoney institution that provides transactional banking solutions and also multi-currency online payment solutions to businesses around the world. ISX Financial UK Ltd is a wholly owned subsidiary of ISX Financial EU Plc and operated independently of its parent.
Your Trusted Partner
By enforcing stringent regulatory checks, maintaining its proprietary tech stack, and safeguarding customer funds, ISX has provided secure and reliable services to its customers for nearly a decade.
We build and maintain our technology in-house, ensuring complete control over our systems without the need for third-party providers.
All short term liquidity pools are stored directly with Central Banks & long term held funds are safeguarded with leading credit institutions.
We offer a full stack of banktech services ranging from payments, KYC services, corporate accounts and instant mass transfers, all within a single solution.
Meet Our UK Team
Our ISX Financial UK Ltd team is a diverse group of industry experts, united by a shared passion for innovation and excellence, driving our global success.- Directors
- Executives
- Operations
- Sales
Mr. Taoushanis brings extensive banking and finance knowledge and experience to our organisation having spent over 40 years in the industry in various senior roles. He has worked for some of the world's largest banks in a number of different locations including Chicago, Greece, Hong Kong and Cyprus, including the Continental Illinois National Bank of Chicago, the HSBC Group with 12 years as the Managing Director of the Cyprus subsidiary, and 8 years as the CEO of the Cyprus Development Bank. Since 2011, Mr. Taoushanis has been working with the private firm TTEG & Associates.
Mr. Barnes has international business experience in venture development in both the financial and technology sectors and has been involved in M&A activities for over 30 years. An experienced executive and latterly non-executive director with Tristel PLC (TSTL.L) an LSE AIM market Listed healthcare company where he has served as Chairman of the Company and as Chairman of the and Audit and Risk Committee. In addition to his role at ISX Financial, Paul Barnes serves as an independent director with an ASX listed company specialising in cutting-edge wireless technology, including waveforms and public mobile radio solutions.
Mr. Pouros has over 46 years of extensive experience including roles in senior levels of the civil service of the Republic of Cyprus, insurance and the banking industry. His key roles in the banking industry include being an independent non-executive director of Cyprus Development Bank 1997-2004, National Bank of Greece (Cyprus) 2010-2012, Bank of Cyprus 2013, Central Co-op Bank 2013-2018, Cyprus Airways (Public) Ltd 2012-2013, Aretaieion Hospital 2012-2022 and Cooperative Asset Management Company Ltd (SEDIPES) 2018-2023.
Mr. Treon's experience spans a 25-year career in the banking industry, including extensive experience in renowned institutions such as Lloyds Banking Group, Lehman Brothers, Dresdner Kleinwort Investment Bank, and Credit Suisse, Ajay brings a wealth of expertise in financial management, strategic planning, and risk mitigation. He also brings valuable recent experience in the fintech sector, further enhancing his understanding of the evolving financial landscape.Ajay is also a qualified accountant, holds an Executive MBA, and possesses the esteemed Certificate in Quantitative Finance.
Serge has been with ISX Financial since January 2024 and brings with him over 10 years of experience in financial services and fintech companies. With extensive experience in all the various areas of compliance, his skillset is supplemented by the work he has done in various jurisdictions, spanning North America, the Channel Islands, and mainland Europe.
Mr. Musgrave holds qualifications in engineering (University of Cape Town), and executive leadership (Management School St Gallen). He has over 20 years’ experience in various sectors, including payments, acquiring, SAAS, and telecoms. His previous public company experience includes senior management roles with Worldline (previously SIX) (EPA:WLN) (2011 to 2016).
Mrs. Yianni has a proven track record in talent management, employee engagement, organisational development, and strategic workforce planning, all of which are approached with a forward-thinking mindset and a genuine passion for people. She has been a member of iSX Financial since June 2023, serving as the Human Resources EU Director, bringing with her over 12 years of extensive experience in the fast-paced and ever-evolving fintech industry.
Group Milestones
Follow our journey.

Company announced the launch of its new flykk® Diners Club International® debit card in several priority markets.
Company plans listing on Top UK or EU Tier 1 market.

Company launched open banking solution, PaidBy® to wix.com.
Company owned Probanx Solutions Ltd, announced direct connection with the company and UK’s Faster Payments Central Infrastructure via the CoreCorrect gateway.

Introduced Open Banking Orchestration. Launched UK services, through a new solution called PaidBy®.
SWIFT connected as a correspondent to 2 banks supporting 23 currencies.

flykk® launched and work commenced to build UK operations.
ISX Financial announced successful demerger from Australian Parent Company.

Company invested in NSX Ltd and the development of the DvP platform through the ClearPay JV and granted UK eMoney license.
The development of the retail app flykk® began.

Commenced independent EU operations late February, achieved positive cash flow in May and produced ISX Group’s maiden profit.

ISX Financial partnered with Worldline for EU whilst network build continued directly into major card schemes.
Executed agreement to access SEPA network via the Lithuanian Central Bank. Principal licence granted for Mastercard (AU), UnionPay and AMEX.

Granted EEA eMoney license alongside Mastercard, JCB and Visa Principal licensing for EU.

Commenced application for EU/EEA eMoney license and provided KYC services on patent.
Acted as payment facilitator for VISA & Mastercard in Australia/New Zealand in partnership with UAB.

ISXEU incorporated in the EU.

Commenced development on software using funds from ‘early stage investors’.
US patent granted in December 2013 and further patents granted in 2014-2019 across the world.

Nikogiannis Karantzis invented the payments instrument verification method to solve an online fraud problem. Patents lodged in key global financial centers.
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