Martell Hardenberg
Global Partner @ Antler
London, United Kingdom
Martell Hardenberg is a Series A investor at Antler in London focused on E-Commerce and Financial Services. Martell Hardenberg is the Global Partner at Antler. He attended INSEAD.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 25%
Last updated:
For AI agents: llms.txt
Industries Martell Hardenberg invests in
Stages Martell Hardenberg invests in
Countries Martell Hardenberg invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
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Investment Focus
Industry
- E-Commerce 3 (38%)
- Financial Services 3 (38%)
- FinTech 2 (25%)
- Payments 2 (25%)
- B2B 1 (13%)
Stage
- Series A 3 (38%)
- Seed 2 (25%)
- Angel 1 (13%)
- Funding Round 1 (13%)
Country
- United Kingdom 2 (25%)
- Norway 1 (13%)
- Indonesia 1 (13%)
- The Netherlands 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Klearly simplifies payment acceptance for small and medium-sized businesses by transforming smartphones and tablets into secure payment processing devices, allowing businesses to easily take payments. Businesses can focus on what they do best with our all-in-one digital payment solution, while Klearly handles the rest. | $14M / Series A / Jan 13, 2026 | ||
| Two is a B2B payments and financial technology company that provides buy now, pay later, and net-term payment solutions for businesses. Its platform enables merchants to offer flexible payment terms across online, direct, and in-store sales while automating credit checks, fraud assessment, invoicing, payment collection, and receivables management.Two also provides APIs and tools for integrating B2B payment and credit services into commerce systems. | Jul 11, 2025 | ||
| Two is a B2B payments and financial technology company that provides buy now, pay later, and net-term payment solutions for businesses. Its platform enables merchants to offer flexible payment terms across online, direct, and in-store sales while automating credit checks, fraud assessment, invoicing, payment collection, and receivables management.Two also provides APIs and tools for integrating B2B payment and credit services into commerce systems. | $15.2M / Series A / Jul 11, 2025 | ||
| Klearly simplifies payment acceptance for small and medium-sized businesses by transforming smartphones and tablets into secure payment processing devices, allowing businesses to easily take payments. Businesses can focus on what they do best with our all-in-one digital payment solution, while Klearly handles the rest. | $6.2M / Seed / Jan 15, 2025 | ||
| Two is a B2B payments and financial technology company that provides buy now, pay later, and net-term payment solutions for businesses. Its platform enables merchants to offer flexible payment terms across online, direct, and in-store sales while automating credit checks, fraud assessment, invoicing, payment collection, and receivables management.Two also provides APIs and tools for integrating B2B payment and credit services into commerce systems. | $19.4M / Series A / Mar 21, 2023 | ||
| Base is an Indonesian direct-to-consumer (DTC) beauty and wellness company that caters to consumers' diverse beauty and wellness needs. Starting with the skincare category, each Base consumer will get a vegan product recommendation through its Smart Skin Test. Fully digitalized and powered by data, Base is currently sold directly from itswebsite and other Omni-channels. Base ships its products nationwide to all of Indonesia’s cities. | $6M / Series A / Nov 04, 2022 | ||
| Atlantic Money is a money transfer provider that offers international transactions. | $3M / Seed / Jul 21, 2022 | ||
| Heat offers surplus luxury fashion items in a curated collection delivered and introduces an unprecedented immersive luxury shopping experience, incorporating elements of surprise and suspense alongside the reassurance of a value-added product, enabling customers to find exclusive during the new season. | $5M / Angel / Jan 17, 2022 |
Co-Investors
About Antler
Antler is an early-stage venture capital firm that seeks to invest in technology companies. The firm incubates startups from a variety of sectors and offers a global community network of co-founders and access to talent, expert advisors, expansion support, and capital around the world.
Antler Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Alan Poensgen
Partner
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Anthony Millet
Managing Partner
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Antti Tormanen
General Partner
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Christoph Klink
Partner
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Erik Jonsson
Partner
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FAQ
What does Martell Hardenberg invest in?
Martell Hardenberg invests primarily in E-Commerce, Financial Services and FinTech startups, most often at Series A and Seed stage. Most of the 8 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Martell Hardenberg?
Public channels for Martell Hardenberg 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 Martell Hardenberg last invest?
The most recent investment recorded for Martell Hardenberg closed in Jan 2026. Shizune tracks 8 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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