George Karantonis
Partner, Co-Founder @ Metavallon VC
Athens, Greece
George Karantonis is a seed investor at Metavallon VC in Athens focused on Software and Apps. George Karantonis is the Partner at Metavallon.vc. He attended University of Leeds.
- Total investments:
- 10
- Last investment:
- Lead investor:
- 100%
Last updated:
For AI agents: llms.txt
Industries George Karantonis invests in
Stages George Karantonis invests in
Countries George Karantonis invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 5 (50%)
- Apps 2 (20%)
- Leisure 2 (20%)
- Art 1 (10%)
- CRM 1 (10%)
Stage
- Seed 4 (40%)
- Pre-Seed 3 (30%)
- Series A 1 (10%)
- Funding Round 1 (10%)
- Venture - Series Unknown 1 (10%)
Country
- Greece 4 (40%)
- United Kingdom 4 (40%)
- Cyprus 1 (10%)
- United States 1 (10%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Holiday Rentals Made By Professionals, Designed for quality seekers. TravelStaytion.com is one of the fastest-growing holiday rentals platforms for professionally managed properties globally. Since TravelStaytion established itself in April 2013, Notting Hill, London – the company now acquires a growing portfolio of over 85,000 stunningproperties in over 700 destinations worldwide; over recent years Travelstaytion has built a reputation of offering only the best to their guests, by teaming up with verified and highly professional property owners and managers. TravelStaytion was launched in April 2012. | $3M / Venture - Series Unknown / Jul 31, 2025 | ||
| SMARTIFY provides instant access to inspiring art commentary, straight to your smartphone. Their app allows you to scan, identify and save art. It also serves as a personalized, on-the-ground guide to any museum or gallery we partner with.SMARTIFY CIC is a social enterprise with a mission is to help people make meaningful connections with art andto support global visual arts organisations – public and commercial. They’re focused on protecting artist and museum intellectual property and ensure parts of its profits are channeled back to the public institutions we serve. | $1.9M / Jan 29, 2025 | ||
| Krotos develops and produces audio software for the entertainment industry. | Seed / Feb 15, 2022 | ||
| Molecular Diagnostics for the Point Of Care | $1.7M / Seed / Sep 09, 2020 | ||
| Covve was founded in 2013 by Yiannis Gavrielides and Alex Protogerellis as the CRM for everyone. Covve packages an advanced contact and relationship management platform in a simple to use app, helping every professional better manage their relationships to create business opportunities. Covve is being used by professionals in leading companiesacross the globe.Covve is ran by an experienced team with deep domain expertise. We have two patents issued in the US and we are building global partnerships inlcuding T-Mobile, Nokia and recently Revolut.Alongside institutional investors, including San Francisco based Dataelite, the National Bank of Greece and Metavallon VC, Covve has received funding from two European innovation grants and private investors. | $5.4M / Series A / Sep 30, 2019 | ||
| Mist is an open source multi-cloud management platform. Our goal is to make multi-cloud simple and offer a single interface from where you can manage everything.Mist supports all popular infrastructure technologies including public clouds, private clouds, hypervisors, containers and bare metal servers. It provides a unified interface forperforming common management tasks like provisioning, orchestration, monitoring, automation and cost analysis. It comes with a RESTful API so you can easily integrate it into your existing workflows.Our customers include large organizations like the European Parliament, National Bank of Greece, SevOne, Shoprite and more. Our customers report 40%-60% reductions in server bills and management overheads, four times faster roll outs and twice as fast incident response times.Mist comes in three editions. Mist Enterprise Edition (on-prem) is ideal for large teams with advanced needs around orchestration and access controls. Mist Hosted Service (SaaS) is easy to get started with and is ideal for highly dynamic infrastructures. Mist Community Edition is our open source version, for teams with a DIY approach. | $538.8K / Seed / Aug 23, 2019 | ||
BIOEMTECH
|
Medical Devices, Medical Imaging | $449K / Pre-Seed / Aug 23, 2019 | |
| Yaspa is an award-winning fintech that delivers personal intelligence through instant payments. Founded in 2017 by a former Worldpay CTO, Yaspa blends open banking and AI to provide Intelligent Payments: real-time bank and stablecoin payments combined with verified customer insights, as well as a full suite of payment and account verificationservices. With offices in London, Leeds, Athens and Atlanta, Yaspa operates across the UK, Europe and US, is regulated by the UK’s Financial Conduct Authority, and is backed by leading investors including Discerning Capital, Fin Capital, SGH Capital & Metavallon VC. | $914.5K / Seed / Dec 27, 2018 | ||
| Discover alternative effects for existing drugs using its advanced computational workflow. | $200K / Pre-Seed / Oct 18, 2018 | ||
| Useberry is a codeless prototype analytics where users test feedback and rich analytics. Its platform offers fast, automated, and data-driven UX optimization tools to companies developing mobile and web applications. Founded in 2018, Useberry is headquartered in Athens, Greece. | $233.5K / Pre-Seed / Sep 18, 2018 |
Co-Investors
About Metavallon VC
Metavallon VC focuses on early stage (Pre-Seed and Seed) investments across sectors in Greece and Europe. With an affinity for B2B models, deep technology, and strong ties with Greece, we back pioneering teams and work alongside ambitious entrepreneurs operating at the forefront of business and technology innovation.
Metavallon VC Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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George Karantonis
Partner, Co-Founder
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Myrto Papathanou
Partner, Co-Founder
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Yorgos Mousmoulas
Partner, Co-Founder
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FAQ
What does George Karantonis invest in?
George Karantonis invests primarily in Software, Apps and Leisure startups, most often at Seed and Pre-Seed stage. Most of the 10 investments tracked by Shizune back companies in Greece. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact George Karantonis?
Public channels for George Karantonis include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did George Karantonis last invest?
The most recent investment recorded for George Karantonis closed in Jul 2025. Shizune tracks 10 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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