Mustard Seed Maze (MSM) is a Lisbon-based impact venture capital firm that invests in fast-growing European ventures from pre-seed to series B, tackling social and environmental challenges aligned with the UN Sustainable Development Goals.
Deal activity decreased year-over-year (1 deal in the last 12 months vs 2 prior). Their most common stage is seed (53% of deals). Average disclosed round size is $11.6M (across 12 rounds with reported amounts).
Portfolio
28
Fund Size
—
Top Stage
Seed
Last 12 Mo
1
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
34 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series A | $5.6M | Sep 2026 | |
| Series A | $52M | Feb 2026 | |
| Series A | — | Jul 2025 | |
| Unknown | — | May 2025 | |
| Seed | — | Jan 2024 | |
| Seed | $5.6M | Mar 2023 | |
| Series A | $41M | Feb 2023 | |
| Seed | — | Jun 2022 | |
| Seed | — | Apr 2022 | |
| Pre-Seed | — | Mar 2022 | |
| Seed | — | Mar 2022 | |
| Seed | — | Jan 2022 | |
| Seed | $2.2M | Jan 2022 | |
| Unknown | — | Dec 2021 | |
| Seed | — | Sep 2021 | |
| Seed | — | Jun 2021 | |
| Seed | $5.3M | May 2021 | |
| Lloc.tax | Series A | $3.6M | Feb 2021 |
| Unknown | — | Jan 2021 | |
| Seed | — | May 2020 | |
| Seed | $605K | Jan 2020 | |
| KKETS Quantum | Unknown | — | Dec 2018 |
| KKets Quantum Security Ltd | Seed | — | Dec 2018 |
| Unknown | — | Jan 2018 | |
| Seed | — | Jan 2016 |
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Top Co-Investors
Seedcamp6 shared
Mustard Seed6 shared
Speedinvest5 shared
Quantonation4 shared
Armilar Venture Partners3 shared
Plug and Play Tech Center3 shared
KAPITAL3 shared
FoodLabs3 shared
Digital Currency Group2 shared
InReach Ventures2 shared
SE Ventures2 shared
Concept Ventures2 shared
Giant Ventures2 shared
Kfund2 shared
Brighteye Ventures2 shared
Bynd Venture Capital2 shared
Sand Hill Angels2 shared
Techstars2 shared
Cavalry2 shared
Index Ventures2 shared
Last updated: 7 October 2026
