Companyon Ventures is a Boston-based venture capital firm that backs founder-led B2B software startups at the post-seed, pre-Series A stage. The firm invests in capital-efficient companies that have found early product-market fit and are ready to scale, providing hands-on support in fundraising, talent, and go-to-market strategy.
Deal activity increased 200% year-over-year (3 deals in the last 12 months). Their most common stage is seed (41% of deals). Average disclosed round size is $25.7M (across 22 rounds with reported amounts).
Portfolio
19
Fund Size
$41M
Top Stage
Seed
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
22 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Sent | Series A | $12M | Jan 2026 |
 Flex | Series B | $60M | Dec 2025 |
 Daylit | Unknown | $110M | Sep 2025 |
 North.Cloud | Series A | $5M | Jun 2025 |
| NNvisionX | Seed | $4.6M | Jan 2025 |
 Flex | Unknown | $25M | Jan 2025 |
| Sent | Seed | $3.5M | Jan 2025 |
 Cyvl.ai | Seed | $6M | Mar 2024 |
 Fullcast | Seed | $34M | Jan 2024 |
| Flex | Series A | $120M | Sep 2023 |
 ENDVR | Seed | $6M | Feb 2023 |
 NVISIONx | Seed | $4.6M | Jan 2022 |
| NNvisionX | Seed | $4.6M | Jan 2022 |
 Apty | Series A | $7.5M | Jul 2021 |
| ZZiflow | Series A | $20M | Apr 2021 |
 Knowify | Series A | $5.5M | Jan 2021 |
 Squadle, Inc | Seed | $3M | Jul 2018 |
 Beamable | Series B | $14M | — |
 Posh | Series A | $22M | — |
 RoadSync | Series B | $30M | — |
 Arpio | Seed | $8.2M | — |
 Flex | Series B | $60M | — |
Top Co-Investors
CreativeCo Capital5 shared
Florida Funders4 shared
Gaingels4 shared
SixThirty Ventures4 shared
MS&AD Ventures3 shared
Titanium Ventures3 shared
Gutbrain Ventures3 shared
Morgan Stanley Next Level Fund3 shared
PBJ Capital3 shared
Portage Ventures2 shared
Wellington Management2 shared
Crosslink Capital2 shared
Plug and Play Tech Center2 shared
Urban Innovation Fund2 shared
Bessemer Venture Partners2 shared
The Community Fund1 shared
Home Depot Ventures1 shared
Tusk Venture Partners1 shared
Nexus Venture Partners1 shared
Spice Expeditions1 shared
Last updated: 8 September 2026