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Frontline Ventures is a venture capital firm focused on facilitating transatlantic expansion for B2B software companies. They utilize a dual-fund strategy: Frontline Seed backs early-stage European B2B software startups aiming for US expansion, and Frontline Growth supports US-based B2B software companies at Series B-D planning to expand into Europe.
Deal activity increased 700% year-over-year (8 deals in the last 12 months). Average disclosed round size is $39.5M (across 40 rounds with reported amounts).
Portfolio
41
Fund Size
$435M
Top Stage
Series A
Last 12 Mo
8
Team
WM
William McQuillan
Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
41 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Stanhope AI | Series A | $8M | Feb 2026 |
| TTucuvi | Series A | $20M | Jan 2026 |
 Donna | Seed | $4.8M | Dec 2025 |
| CCellbyte | Seed | $2.8M | Nov 2025 |
| IInsify | Series B | $16.3M | Sep 2025 |
| SSeapoint | Pre-Seed | $3M | Sep 2025 |
| KKota | Series A | $12.8M | May 2025 |
 Hydrolix | Series C | $80M | Apr 2025 |
 StrongDM | Series C | $34M | May 2024 |
 DUDE CHEM | Seed | $6.5M | Feb 2024 |
 Harriet | Pre-Seed | $1.4M | Dec 2023 |
| KKota | Seed | $5.3M | Oct 2023 |
| NNolea Health | Seed | $1.2M | Apr 2023 |
 Solvo.ai | Seed | $4M | Nov 2022 |
 Localyze | Series B | $35M | Sep 2022 |
 Baserow | Seed | $5.2M | Jul 2022 |
 Pollen | Series C | $150M | Apr 2022 |
| UUnleash | Series A | $14M | Mar 2022 |
 Learnerbly | Series A | $10M | Dec 2021 |
 Kandji | Series C | $100M | Nov 2021 |
| OOverwatch Research | Seed | $3.5M | Oct 2021 |
 Cloudsmith | Series A | $15M | Sep 2021 |
 Koyo | Series A | $50M | Sep 2021 |
| Localyze | Series A | $12M | Jul 2021 |
| QQualio | Series B | $50M | May 2021 |
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Top Co-Investors
Tiger Global Management6 shared
Sequoia Capital3 shared
Northzone3 shared
Sorenson Capital2 shared
MMC Ventures2 shared
firstminute capital2 shared
SV Angel2 shared
Visionaries Club2 shared
Seedcamp2 shared
Paladin Capital Group2 shared
Y Combinator2 shared
Kleiner Perkins2 shared
Thrive Capital2 shared
Founders Fund2 shared
Khosla Ventures2 shared
Fuel Ventures2 shared
EQT Ventures2 shared
QED Investors1 shared
Sozo Ventures1 shared
Blumberg Capital1 shared
Last updated: 13 March 2026