OpenSource
Software Development • 
London, England, United Kingdom • 51-100 Employees
Company overview
| Headquarters | White Collar Factory, 1A Old Street Yard, London, England EC1Y 8AF, GB |
| Phone number | +442085889702 |
| Website | |
| SIC | 736 |
| Founded | 2018 |
| Employees | 51-100 |
Key Contacts at OpenSource
George Mason
Co-Founder | Director
Harry Ramsden
Co-Founder | Director
OpenSource Email Formats
OpenSource uses 1 email format. The most common is {first initial} (e.g., j@open-source.io), used 100% of the time.
| Format | Example | Percentage |
|---|---|---|
{first initial} | j@open-source.io | 100% |
About OpenSource
We’re a founder-led recruitment partner that does things differently. OpenSource was built by people who’ve sat on both sides of the hiring table — George, a former software developer, and Harry, a seasoned recruiter with a decade of experience scaling teams for VC-backed startups and high-growth scale-ups. Our approach • We embed seamlessly and scale with your team • Every candidate is technically screened by us • Stronger hires in less time Ways to partner • Contingent – Pay only when you hire • Retained – Dedicated support with upfront commitment • RPO – Fully embedded for high-volume, strategic hiring We specialise in hiring across the full product and engineering lifecycle — including backend, frontend, DevOps, data, AI, and leadership roles. Please get in touch on Linkedin or email george@open-source.io.
OpenSource revenue & valuation
| Annual revenue | $4,791,080 |
| Revenue per employee | $86,000 |
| Estimated valuation?This valuation is estimated based on industry average for the Software Development industry and current estimated revenues | $15,400,000 |
| Total funding | No funding |
Employees by Management Level
Total employees: 51-100
Seniority
Employees
Employees by Department
OpenSource has 26 employees across 7 departments.
Departments
Number of employees
Funding Data
OpenSource has never raised funding before.
OpenSource Tech Stack
Discover the technologies and tools that power OpenSource's digital infrastructure, from frameworks to analytics platforms.
WordPress plugins
JavaScript libraries
JavaScript libraries
Miscellaneous
Security
Programming languages
Blogs
Page builders
Editors
SEO
PaaS
Reverse proxies
Spain
United States
Canada
Korea, Republic of
Frequently asked questions
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40,000 users
