Startup · United Kingdom
Goldilock
HQ London, United Kingdom11-50 employeesUpdated
Goldilock is a revolutionary cybersecurity solution that enables users to physically connect and disconnect their digital assets, devices, networks, and critical infrastructure from the internet without using the internet itself.
Funding1 round
- Equity raised
- Undisclosed
- Debt, secondaries & grants
- ~$309K
- Latest
- ~$309KGrant · Oct 31, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Oct 31, 2025 | Grant | ~$309K | — | — | — | Speculative |
- GrantSpeculative~$309KOct 31, 2025
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems2
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Information management and cybersecurity | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Cybersecurity product that physically air-gaps devices, networks and critical infrastructure; it states no defense or government customer. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Cybersecurity product that physically air-gaps devices, networks and critical infrastructure; it states no defense or government customer.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People1
| Person | Role |
|---|---|
| Stephen Kines | co-founder |
Sources9
Profile4
- 1
PitchBook · Supports Organization · employee range, Organization · x url
“employee_range: 11-50 (profile: 14)”
- 2
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "UK", "hq_iso2": "GB", "id": "f291d29c-66f6-4a3a-bbf2-75f52512ec96"}”
- 3
Goldilock · Supports Organization · description, Organization · linkedin url, Organization · name, Organization · website
“Goldilock is a revolutionary cybersecurity solution that enables users to physically connect and disconnect their digital assets, devices, networks, and critical infrastructure from the internet without using the internet itself.”
- 4
LinkedIn · Supports Organization · employee range, Organization · hq city, Organization · ownership
“employee_range: 11-50 (profile: 11-50 employees)”
Systems2
- 5CompanyConnext
Goldilock · Supports System
“## **Connext card kit** A physical set of cards representing real systems, zones and controls.”
- 6CompanyFAQ | Goldilock.com
Goldilock · Supports System
“FireBreak™ is a physical Layer 1 network isolation appliance. Unlike software-based security tools — firewalls, EDR, and SIEM — it does not detect, analyze, or block threats. It physically disconnects network segments at the cable level, making assets invisible and unreachable.”
Funding2
- 7
Enterprise Singapore · Oct 31, 2025 · Supports Funding round
“Goldilock Secure was crowned the grand winner of SLINGSHOT 2025”
- 8
Caplight · Oct 31, 2025 · Supports Funding round
“Last Round Grant Oct 31,2025”
People1
- 9
hansard.parliament.uk · Supports Role
“Stephen Kines, the co-founder of Goldilock, an award-winning cyber-hardware company, called for the Government to buy UK products and said,”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.