Nathan Medlock
Partner @ Zouk Capital
London, United Kingdom
Nathan Medlock is a Series D investor at Zouk Capital in London focused on Software and Enterprise Software. Nathan Medlock joined Zouk in 2013 and is a Partner in the Growth Capital Team. With 18 years’ experience in private equity, M&A, corporate finance and government advisory, Nathan brings significant direct investment and operational experience to Zouk.Before joining Zouk, Nathan was a Partner at Galaxis Capital where he spent three yearsin operational roles with Private Equity backed companies, including that of CEO in a Swedish listed mining company and CFO of a private US biotech company. Prior, he worked for three years at Warburg Pincus in a direct investment role where he invested, managed and restructured over a $1bn of investments in European growth capital companies. Prior to those roles, Nathan spent four years with Lehman Brothers where he was a director in the private equity division. Before embarking on a career in finance, Nathan served as a Government Advisor in the Ministry of Defence for five years and spent four years in the British Army.Nathan holds a Master of Business Administration with Honours from The Wharton School of the University of Pennsylvania, and a Masters of Engineering and a Bachelor of Science in Mechanical Engineering and Energy Systems (Nuclear) from the University of Manchester. He also underwent officer training at The Royal Military Academy Sandhurst.
- Total investments:
- 12
- Last investment:
- Lead investor:
- 75%
Last updated:
For AI agents: llms.txt
Industries Nathan Medlock invests in
Stages Nathan Medlock invests in
Countries Nathan Medlock invests in
Investment Focus
Industry
- Software 5 (42%)
- Enterprise Software 3 (25%)
- FinTech 2 (17%)
- Hardware 2 (17%)
- Quantum Computing 2 (17%)
Stage
- Series D 5 (42%)
- Series C 4 (33%)
- Funding Round 2 (17%)
- Series E 1 (8%)
Country
- United Kingdom 3 (25%)
- United States 2 (17%)
- Canada 1 (8%)
- Sweden 1 (8%)
- Germany 1 (8%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
FINN
|
At finn our mission is to make mobility fun and sustainable: We help everyone who loves driving their own car but refuses the struggle, commitment and intransparent costs associated with car ownership. We achieve this by offering all-inclusive, immediately available, monthly car-subscriptions. Best thing, yet: While you drive we plant trees asevery journey is CO2 compensated. | $113.4M / Series D / Jun 24, 2026 | |
Photonic
|
Photonic develops quantum computing and networking technologies, utilizing silicon spin qubits and native telecom networking interface. Photonic is turning fault-tolerant quantum technologies into reality through its distinctive silicon spin-photon interface. This innovative technology combines the memory and computing capabilities of spins withthe connectivity of photonics, enabling the creation of one of the world's initial scalable, fault-tolerant, and networked quantum computers. | $130.8M / Jan 06, 2026 | |
Riverlane
|
Riverlane creates and engineers instruments. With the help of the manufacturers of quantum computers, they put them into practice. New hardware and software tools are needed to regulate intrinsically unstable qubits and completely fix system defects ten billion times or more per second in order to unlock the entire range of quantum computingapplications. | $75M / Series C / Aug 06, 2024 | |
|
FINN
|
At finn our mission is to make mobility fun and sustainable: We help everyone who loves driving their own car but refuses the struggle, commitment and intransparent costs associated with car ownership. We achieve this by offering all-inclusive, immediately available, monthly car-subscriptions. Best thing, yet: While you drive we plant trees asevery journey is CO2 compensated. | $109.8M / Series C / Jan 11, 2024 | |
Taulia
|
Taulia is a FinTech startup that provides working capital management and electronic invoicing services for supply chain companies. Its platform helps businesses to turn every invoice into a revenue opportunity using their cash or third-party cash to fund early payments, lower the barriers for e-invoicing participation by accepting all forms ofelectronic invoices without having to charge suppliers, and empower suppliers to be self-sufficient by giving them access to free self-service and management tool. | $60M / Jul 10, 2020 | |
iZettle
|
iZettle is reinventing technologies and banking services that help small-business owners live better, work less and earn more. Based in Stockholm, the financial technology company revolutionized mobile payments in 2010 with the world’s first mini chip card reader and software for mobile devices. Today, small-business owners around the world useiZettle’s powerfully simple services to improve the speed and ease of payments at checkout, business management, sales analytics, customer engagement, and funding | $63.7M / Series D / Aug 28, 2015 | |
Cyphort
|
Cyphort has developed Next Generation Distributed Software Platform to provide the broadest enterprise visibility and accurate detection of advanced threats & evasion techniques, and zero-day attacks by utilizing behavioral analytics, machine learning, and Long-Data Security-Analytics.Cyphort's innovative approach detects the mostadvanced threats through a highly accurate platform combined with validation and prioritization of threats in context of the organizations eco-system. Through this process Cyphort produces highly customized Actionable Intelligence to users.The Cyphort Distributed Platform has been build with flexibility allowing for seamless integration and detection not only at the edge and network layers but also in virtual infrastructures, cloud environments, and mobile platforms. | $30M / Series C / Jun 01, 2015 | |
Huddle
|
Huddle makes document collaboration simple and secure. In Huddle, teams can work together to share, discuss and work on their content. It becomes your hub of activity – so you spend less time organizing documents and tasks, chasing approvals, and searching through email – and more time delivering exceptional results. | Series D / Dec 11, 2014 | |
Huddle
|
Huddle provides version control, tasks, file requests, and mobile working services. They are working in the industries of accounting, consulting, government, marketing, transportation, logistics, media, construction, engineering, utilities, and managed services. They have control of how they can view the documents, and what they can do with them.The transparent tracking of version changes and comments gives a full audit trail. | $51M / Series D / Dec 11, 2014 | |
|
iZettle
|
iZettle is reinventing technologies and banking services that help small-business owners live better, work less and earn more. Based in Stockholm, the financial technology company revolutionized mobile payments in 2010 with the world’s first mini chip card reader and software for mobile devices. Today, small-business owners around the world useiZettle’s powerfully simple services to improve the speed and ease of payments at checkout, business management, sales analytics, customer engagement, and funding | $47.8M / Series C / May 09, 2014 | |
| See all 12 investments → | |||
Co-Investors
About Zouk Capital
Zouk Capital Growth Capital invests to build global leaders in resource efficiency. They believe that resource efficiency is fundamentally driven by technology – both industrial technology and information technology - and it has become clear that companies that improve efficiency are at a distinct advantage. Zouk invests in this new generation ofcompanies, supporting their expansion and accelerating the integration of resource efficiency measures across the global economy. The companies they invest in have commercially proven products and services with revenues between €10m - €150m and are positioned to scale rapidly. They support top-tier management teams to build market-leading, global businesses by providing growth equity and industry knowledge. To support them in achieving their growth strategies, they leverage their extensive international network of senior figures in the industry, business, finance, and government in Europe, North America, Asia, and the Middle East. Dedicated to adding value, they develop close partnerships with their portfolio companies and are some of the most experienced and active investors in the clean economy. Reflecting the value-add of Zouk’s approach, the second Growth Capital fund is the largest of its strategy in Europe at EUR 230m. Zouk’s Growth Capital focus is part of Zouk Capital LLP’s dual strategy of making investments that make a general environmental impact. Alongside its Growth Capital business, Zouk’s Infrastructure team finances the construction of renewable energy and environmental assets.
Zouk Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Colin Campbell
Owner
|
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George Ridd
Principal
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John Higelin
Principal
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Massimo Resta
Partner
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Nathan Medlock
Partner
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FAQ
What does Nathan Medlock invest in?
Nathan Medlock invests primarily in Software, Enterprise Software and FinTech startups, most often at Series D and Series C stage. Most of the 12 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did Nathan Medlock last invest?
The most recent investment recorded for Nathan Medlock closed in Jun 2026. Shizune tracks 12 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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