Sirenum
Valuation
$4.6M
2021 Revenue
$5M
Funding
$4.2M
Team
55
Founded
2013
How Sirenum CEO Benjamin Rubin grew Sirenum to $5M revenue with a 55 person team in 2021.
Sirenum is a WFM platform for employers to put the right shift worker in the right place at the right time and pay the right amount.
Last updated
Sirenum Revenue
In 2021, Sirenum's revenue reached $5M. Since its launch in 2013, Sirenum has shown consistent revenue growth.
| Year | Milestone |
|---|---|
| 2021 | Sirenum Hit $5m revenue in January 2021 |
| 2013 | Launched with $0 revenue |
Sirenum Valuation, Funding Rounds
Sirenum reached a $4.6M valuation in 2015, set during its Angel Round round.
Sirenum has raised $4.2M in total funding across 4 rounds, most recently a $2.7M Series A round in 2021.
| Year | Round | Amount | Valuation | % Sold |
|---|---|---|---|---|
| 2021 | Series A | $2.7M | - | - |
| 2019 | Seed Round | $1.4M | - | - |
| 2016 | Seed Round | $50K | - | - |
| 2015 | Angel Round | $55.9K | $4.6M | 1% |
Sirenum Employees & Team Size
Sirenum employs approximately 55 people as of 2026.
Sirenum has 55 total employees in different roles and functions.
| Year | Milestone |
|---|---|
| 2021 | Reached 55 employees (January 2021) |
Founder / CEO
Benjamin Rubin
Benjamin Rubin founded Sirenum in 2013 based on a decade of staff management experience. Benjamin was previously the head of the political wing of Green Course, the largest environmental volunteer organization in Israel. Previous to this, he was one of the founding members and leaders of Media Central, a PR agency also based in Israel. Benjamin is a trained molecular biologist with a master’s degree from Hebrew University and a bachelor’s degree from Ben Gurion University. Benjamin was born and raised in Israel, but now resides in North London with his wife and four children. A native Hebrew speaker, Benjamin also speaks French and Spanish, plus a touch of Arabic.
Q&A
| Question | Answer |
|---|---|
| What's your age? | - |
| Favorite online tool? | - |
| Favorite book? | - |
| Favorite CEO? | - |
| Advice for 20 year old self | - |
Customers
We do not have customer count information for Sirenum yet.
Frequently Asked Questions about Sirenum
What is Sirenum's revenue?
Sirenum generates $5M in revenue.
Who founded Sirenum?
Sirenum was founded by Benjamin Rubin.
Who is the CEO of Sirenum?
The CEO of Sirenum is Benjamin Rubin.
How much funding does Sirenum have?
Sirenum raised $4.2M.
How many employees does Sirenum have?
Sirenum has 55 employees.
Where is Sirenum headquarters?
Sirenum is headquartered in United Kingdom.
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Compare Sirenum to the industry
Sirenum operates across multiple industries. Browse revenue, funding, and growth data for Sirenum in each sector below.
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 .