24 investors have funded 11 Network Security companies head-officed in London, across 30 rounds (Jan 2012 – Mar 2026). They are ranked by how many London companies in this market they have actually backed.
"In London" describes the companies, not the investor: most of the money in any city comes from somewhere else, and the Where the money comes from section below shows exactly where it came from here.
Ranked by companies backed in this market and city, then by round count. "Led" counts rounds recorded with this investor as lead.
| # | Investor | Based in | Stages here | Companies | Rounds | Led | Latest | Portfolio total |
|---|---|---|---|---|---|---|---|---|
| 1 | Techstars | New York City, United States | Seed | 2 | 3 | 2 | May 2024 | 3,580 |
| 2 | CyLon | Seed | 2 | 2 | — | Aug 2021 | 51 | |
| 3 | Accel | Palo Alto, United States | SeedSeries A | 1 | 2 | 1 | Mar 2026 | 1,133 |
| 4 | Tapestry | San Francisco, United States | SeedSeries A | 1 | 2 | — | Mar 2026 | 18 |
| 5 | Worth Capital | London, United Kingdom | Seed | 1 | 2 | 2 | Mar 2021 | 13 |
| 6 | Antler | Ho Chi Minh City, Vietnam | Seed | 1 | 1 | 1 | Mar 2021 | 572 |
| 7 | Seedcamp | London, United Kingdom | Seed | 1 | 1 | — | Jan 2012 | 386 |
| 8 | Startup Wise Guys | Tallinn, Estonia | Seed | 1 | 1 | 1 | Jun 2021 | 374 |
| 9 | FirstMark | New York City, United States | Series A | 1 | 1 | 1 | Mar 2026 | 183 |
| 10 | Amadeus Capital | London, United Kingdom | Seed | 1 | 1 | — | May 2024 | 139 |
| 11 | MMC Ventures | London, United Kingdom | Series A | 1 | 1 | — | Mar 2026 | 135 |
| 12 | Notion | London, United Kingdom | Post-IPO | 1 | 1 | 1 | May 2021 | 139 |
| 13 | Triple Point | Seed | 1 | 1 | — | Aug 2021 | 44 | |
| 14 | Loyal | Toronto, Canada | Seed | 1 | 1 | 1 | Mar 2021 | 42 |
| 15 | ISAI | Series A | 1 | 1 | — | Jun 2021 | 27 | |
| 16 | Citizen Capital | Paris, France | Series A | 1 | 1 | — | Jun 2021 | 28 |
| 17 | Expeditions Fund | Warsaw, Poland | Seed | 1 | 1 | 1 | May 2024 | 17 |
| 18 | Auriga Cyber Ventures | Paris, France | Seed | 1 | 1 | — | May 2024 | 16 |
| 19 | TSP Ventures | London, United Kingdom | Seed | 1 | 1 | 1 | Apr 2020 | 10 |
| 20 | Cyber Club London | London, United Kingdom | Series A | 1 | 1 | — | Mar 2026 | 12 |
| 21 | 20SALES | San Francisco, United States | Seed | 1 | 1 | — | Jul 2024 | 10 |
| 22 | McNally Capital | Chicago, United States | Seed | 1 | 1 | — | May 2024 | 9 |
| 23 | Ventures Together | London, United Kingdom | Seed | 1 | 1 | — | May 2024 | 9 |
| 24 | Nio Advisors | Seed | 1 | 1 | — | May 2024 | 2 |
Head office of the investors on this page.
Rounds by stage — where in a company's life this money arrives.
Total disclosed size of each round, not one investor's share.
How active this market has been.
Network Security companies head-officed in London that took money from these investors.
| Company | Backers | Rounds | Disclosed | Latest round |
|---|---|---|---|---|
| qomodo qomodo.io |
7 | 8 | $11.6M | Seed May 2024 |
| Tracebit tracebit.com |
6 | 8 | $115M | Series A Mar 2026 |
| Seedata.io seedata.io |
3 | 3 | $1.9M | Seed Aug 2021 |
| Beebs beebs.io |
2 | 2 | $7.1M | Series A Jun 2021 |
| Zobi zobi.ai |
2 | 3 | $3M | Seed Mar 2021 |
| CyberSparta cybersparta.com |
1 | 1 | $21.3K | Seed May 2016 |
| Rawstream rawstream.com |
1 | 1 | — | Seed Jan 2012 |
| Friday friday.software |
1 | 1 | — | Seed Jun 2021 |
| iosec iosec.uk |
1 | 1 | — | Seed Apr 2020 |
| Venari Security venarisecurity.com |
1 | 1 | — | Seed Jan 2017 |
| Arqit arqit.uk |
1 | 1 | — | Post-IPO May 2021 |
| Date | Investor | Company | Stage | Round size |
|---|---|---|---|---|
| Mar 2026 | MMC Ventures | Tracebit | Series A | $20M |
| Mar 2026 | Accel | Tracebit | Series A | $20M |
| Mar 2026 | FirstMarkLED | Tracebit | Series A | $20M |
| Mar 2026 | Cyber Club London | Tracebit | Series A | $20M |
| Mar 2026 | Tapestry | Tracebit | Series A | $20M |
| Jul 2024 | AccelLED | Tracebit | Seed | $5M |
| Jul 2024 | 20SALES | Tracebit | Seed | $5M |
| Jul 2024 | Tapestry | Tracebit | Seed | $5M |
| May 2024 | Techstars | qomodo | Seed | $1.7M |
| May 2024 | Amadeus Capital | qomodo | Seed | $1.7M |
| May 2024 | McNally Capital | qomodo | Seed | $1.7M |
| May 2024 | Expeditions FundLED | qomodo | Seed | $1.7M |
| May 2024 | Ventures Together | qomodo | Seed | $1.7M |
| May 2024 | Auriga Cyber Ventures | qomodo | Seed | $1.7M |
| May 2024 | Nio Advisors | qomodo | Seed | $1.7M |
| Oct 2023 | TechstarsLED | qomodo | Seed | $20K |
| Aug 2021 | CyLon | Seedata.io | Seed | $889.5K |
| Aug 2021 | Triple Point | Seedata.io | Seed | $889.5K |
| Jun 2021 | Citizen Capital | Beebs | Series A | $3.6M |
| Jun 2021 | ISAI | Beebs | Series A | $3.6M |
Network Security investors in other cities
Other markets in London