![]() Sublime Systems Sublime Systems is a company that develops technologies to produce low-carbon cement. | ![]() Serious Energy Serious Energy sells, manufacturers and delivers acoustical and thermal solutions to the built environment through its iWindow brand. | ![]() Marshalls Marshalls plc is the UK's leading manufacturer of natural stone and concrete hard landscaping products, supplying the home improvement and commercial markets. | |
Founding Date | Founding Date 2020 | Founding Date 2002 | Founding Date 1890 |
Type | Type Private | Type Private | Type Public |
Tags | |||
Locations | Locations Somerville, US HQ | Locations Sunnyvale, US HQ Newark, US Vandergrift, US | Locations Elland, GB HQ Rumst, BE Bedford, GB Birmingham, GB Bridgend, GB Carluke, GB East Cranmore, GB see more |
Employees | Employees 1181% decrease | Employees 39 | Employees 2,435 |
Funding | |||
Latest funding round | Latest funding round $ 40m (over 3 years ago) | Latest funding round $ 3m (over 14 years ago) | Latest funding round N/A |
Total funding raised | Total funding raised $ 45.9m | Total funding raised $ 135.2m | Total funding raised N/A |

Serious Energy sells, manufacturers and delivers acoustical and thermal solutions to the built environment through its iWindow brand.
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Marshalls plc is the UK's leading manufacturer of natural stone and concrete hard landscaping products, supplying the home improvement and commercial markets.
View company