Valuation
$8.6M
2025 Revenue
$2.9M
Funding
$0
Team
26
Founded
1987
How 3SL grew 3SL to $2.9M revenue with a 26 person team in 2025.
Developer of the requirements management and systems engineering tool "Cradle" and the provider of related training and consultancy services. 3SL has extensive experience in the integration of software tools and in the definition, deployment and management of requirements management and systems engineering services. We have specific experience in several industry sectors, including aerospace, defence, space, automotive and nuclear.
Last updated
3SL Revenue
In 2025, 3SL's revenue reached $2.9M. Since its launch in 1987, 3SL has shown consistent revenue growth.
| Year | Milestone |
|---|---|
| 2025 | 3SL Hit $2.9m revenue in December 2025 |
| 1987 | Launched with $0 revenue |
3SL Valuation, Funding Rounds
3SL's most recent disclosed valuation is $8.6M.
3SL is a bootstrapped Systems Engineering & MBSE Tools startup. Founded in 1987, 3SL has grown to $2.9M in revenue without raising any venture capital or outside funding.
As a self-funded Systems Engineering & MBSE Tools SaaS company, 3SL has built its business with no outside investment.
| Year | Round | Amount | Valuation | % Sold |
|---|
3SL Employees & Team Size
3SL employs approximately 26 people as of 2026.
3SL has 26 total employees in different roles and functions.
| Year | Milestone |
|---|---|
| 2025 | Reached 26 employees (December 2025) |
Customers
We do not have customer count information for 3SL yet.
Frequently Asked Questions about 3SL
What is 3SL's revenue?
3SL generates $2.9M in revenue.
How much funding does 3SL have?
3SL raised $0.
How many employees does 3SL have?
3SL has 26 employees.
Where is 3SL headquarters?
3SL is headquartered in Barrow-in-Furness, Cumbria, United Kingdom.
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Source Attribution
Source: all data was collected from GetLatka company research and founder interviews. Revenue, funding, team, and customer figures are presented as company-reported or GetLatka-estimated metrics where the profile data identifies them that way.
Company data last updated .