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About us

Our story
Disruptive and experienced
Since 2000, our technology has evolved but our mission has remained the same: to enable our customers to maximise the value of the invoice process through our digital network of buyers, suppliers and other business ecosystems creating the foundation for achieving world-class performance in Finance.

Headquartered in London, with offices around the globe, we provide value-focused solutions, delivering total invoice digitisation and a host of associated benefits.

The journey to world-class starts with Tungsten Network.

The people who have united around our mission shape our culture
The diverse experiences and perspectives we each bring make Tungsten Network stronger, more innovative and more relevant to our customers. Our mission remains at the heart of everything we do. As Tungsten continues to grow, these core values will remain constant.
01
Collaborative
We are a global team of technologists, B2B commerce experts, process mavens and digital evangelists from all around the world. As a diverse team, we pool our skills and experience with a common goal – to be the digital foundation to your journey to world-class.
02
Innovative
In a world of constant change and challenges, a world-class foundation is powered by digital tools. Using outdated invoicing methods creates challenges for global organisations and we are motivated to solve those historic problems with innovative, digital solutions.
03
Customer obsessed
Over the last 20 years, we have built a network of the world’s biggest global brands. We’re dedicated to being a trusted partner, understanding customer needs and supporting businesses on their journey to world-class performance.
Company History
Tungsten Network’s milestones on our journey to world-class performance
Our founders were members of Visa Business Products Executive team when they found a gap in the market. Companies needed a solution that made invoicing easy - and compliant - to alleviate the need for corporate cards.
In our first year, we ran successful pilots with four customers proving we could push invoices directly into the ERP system and engage with Suppliers. With this success under our belt, we set out and enroled seven more multi-national organisations.
With HP joining the Network, we knew it was time to expand into the United States. Nothing fancy, but we opened our doors in San Francisco!
Based on customer demand and a growing supplier base, we opened our doors in Sofia, Bulgaria and Kuala Lumpur, Malaysia with less than 10 people. Today, we have over 200!
Over 100,000 Suppliers officially transacting on the Network - and counting!
We also launched Tungsten Early Payment which provided Network Suppliers access to cash on approved invoices.
Tungsten also launches compliant e-invoicing in India with the rollout of the government mandate.
A new and improved Tungsten Network Workflow launches Andrew Lemonofides joins as Chief Executive Officer
Our Leadership Team
Meet the Team 
We are a team of technologists, B2B commerce experts, innovators and digital evangelists dedicated to revolutionising the invoicing process.
Leadership team
Board of directors
Andrew Lemonofides
Chief Executive Officer
Jessica Oppenheimer
Chief People Officer
Martyn Arbon
Chief Technology Officer
Patrick Clark
General Counsel
Ian Kelly
Interim Chief Financial Officer
Eric Craig
Chief Commercial Officer
Marisa Teh
Chief Product and Business Development Officer
Miriam Weidner
Chief Marketing Officer
Andrew Lemonofides
Chief Executive Officer
Tony Bromovsky
Non-Executive Chair
Patrick Clark
General Counsel
Vivienne Maclachlan
Non-Executive Director
Nick Wells
Non-Executive Director
Andrew Doman
Non-Executive Director
Looking for a new challenge?
Careers at Tungsten
We're always searching for passionate financial and technology professionals who are looking to delight customers and change the world. View our open positions and apply today!
Case studies

Tried, tested and trusted

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We’ve built the world’s largest, compliant business transaction network helping global businesses progress on their journey to world-class performance.

Start your journey today!

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