Sirenum

London, United Kingdom Founded: 2013 • Age: 13 yrs Acquired By Bullhorn
Cloud-based workforce management solutions are delivered via mobile platforms.

About Sirenum

Sirenum is a company based in London (United Kingdom) founded in 2013 was acquired by Bullhorn in July 2021. Sirenum has raised $2.74 million across 1 funding round from investors including Bullhorn, Sir Terry Leahy and William Currie Group. Sirenum offers products and services including Scheduling Tool, Compliance Management, Monitoring Platform, Financial Module, and Mobile App. Sirenum operates in a competitive market with competitors including Legion, WorkJam, Harri, Work Market and Eden Workplace, among others.

  • Headquarter London, United Kingdom
  • Sectors
    Technology
  • Website sirenum.com
  • Social LinkedIn X Facebook YouTube
  • Acquired by Bullhorn (Jul 2021)
  • Legal Name Sirenum Limited
  • Date of Incorporation 25 Oct, 2013
  • Jurisdiction LONDON, ENGLAND
Key Metrics
  • Total Equity Funding
    $2.74M (USD)

    in 1 rounds

  • Latest Funding Round
    $2.74M (USD), Series A

    Jan 2021

  • Investors
    Bullhorn

    & 2 more

  • Acquired by
    Bullhorn

    (Jul 2021)

Products & Services of Sirenum

Sirenum offers a comprehensive portfolio of products and services, including Scheduling Tool, Compliance Management, Monitoring Platform, Financial Module, and Mobile App.

Scheduling Tool
Workforce Management

Software for efficient staff scheduling and shift management.

Compliance Management
Regulatory Compliance

System to manage certifications and ensure health safety rules.

Monitoring Platform
Performance Tracking

Tool for tracking attendance and reducing shift lateness issues.

Financial Module
Payroll Automation

Automates gross pay calculations and invoice processing.

Mobile App
Staff Communication

App for shift approvals, communications, and holiday requests.

Apps and channels of Sirenum

Sirenum publishes 2 mobile apps with over 50K+ downloads; its YouTube channel Sirenum by Bullhorn has 62 subscribers and 30 videos.

MySirenum
Google Play Business Everyone Free
Developer: Sirenum Ltd.
View on Google Play
MySirenum
App Store Business 4+
Developer: Sirenum Ltd
View on App Store
Sirenum by Bullhorn
YouTube 62 subscribers 30 videos Science & Technology
Open channel

Videos from Sirenum

The most watched videos on Sirenum's YouTube channel, Sirenum by Bullhorn (62 subscribers). Click a video to play it here.

Meet MySirenum
3.6K views
Sirenum July 2020 Recorded Demo
1.2K views
Sirenum Time and Attendance
664 views
GI Group Case Study
471 views

More on Sirenum by Bullhorn.

Funding Insights of Sirenum

Sirenum has successfully raised a total of $2.74M through 1 strategic funding round. The most recent funding activity was a Series A round of $2.74 million completed in January 2021. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $2.74M
  • Total Rounds 1
  • Last Round Series A β€” $2.74M
  • First Round $2.74M

    (Jan 2021)

  • Investors Count 2

All 1 funding rounds of Sirenum with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jan 2021$2.74MSeries A–Sir Terry Leahy
Valuation history

3 investors in total: 2 institutional and 1 angel.

Investors in Sirenum

Sirenum has secured backing from 3 investors, including angel, venture fund, and institutional investors. Prominent investors backing the company include Bullhorn, Sir Terry Leahy and William Currie Group.

All
Venture Fund
Institutional
Angel
InvestorDescriptionFounded YearDomainLocation
Technology sectors are targeted for venture capital investments.
–williamcurriegroup.comLiverpool, United Kingdom
Cloud-based ATS and CRM systems are offered for staffing agencies.
1999bullhorn.comBoston, United States

Sir Terry Leahy

-
–unknown_ce58839e11ea432bb-
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Investor details for Sirenum

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

People of Sirenum

1 people are tracked at Sirenum (1 in team).

NameRoleGroup
Phil W.
Senior Product ArchitectTeam
Premium access

Complete people profiles for Sirenum

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

  • Full employee list
  • Team structure
  • Board tenure
  • Professional contacts

Verified entity values are shown only after access is granted.

Timeline of Sirenum

3 dated milestones of Sirenum across 8 years, from founding to its latest funding, stage changes and deals.

  1. Founded Sirenum is founded.
  2. Funding First funding round of $2.7M.
  3. Exit Acquired by Bullhorn.

Competitors of Sirenum

Sirenum operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Legion, WorkJam, Harri, Work Market and Eden Workplace, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
legion.co2016San Francisco, United States$182.5M107
Workforce management solutions are provided through intelligent automation technology.
workjam.com2014Montreal, Canada$167M248
Hourly workforce schedules and communications are managed via software.
harri.com2012New York, United States$73M68
Recruitment and workforce management are offered for hospitality.
workmarket.com2010New York, United States$66M–
Freelance management, payments, and reporting are facilitated by AI software.
edenworkplace.com2015San Francisco, United States$41.61M31
SaaS-based workplace management software for offices is delivered.
zinghr.com2002Mumbai, India$14.11M577
Cloud-based HCM software is provided for enterprise HR processes.
quinyx.com2005Stockholm, Sweden$103.3M–
Cloud-based workforce management software
swipeclock.com1999South Jordan, United States$1.75M75
Workforce management tools for time tracking and scheduling are provided.
workforcesoftware.com1999Livonia, United States$188.35M7,349
Provider of suite solutions for contingent workforce management
yoobic.com2014New York, United States$97.2M10
Frontline employee experience platform for managing operational tasks
Premium access

Detailed competitors of Sirenum

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
  • Benchmarks
  • Competitive positioning

Verified entity values are shown only after access is granted.

Web traffic of Sirenum

The website of Sirenum (sirenum.com) receives about 1.1K visits a month.

  • Monthly visits
    1.1K

    ▼ 18.8% vs previous month

Similar websites

Websites whose visitors overlap most with Sirenum. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
lotame.com
100%
82.5K#330,897View details
workforce.com
96%
312.7K#114,796View details
wcl.american.edu
wcl.american.edu
69%
–––

Similar companies to Sirenum

10 companies that operate in the same segment as Sirenum (HR & Workforce Technology), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Anonymous employee reviews and job search platform are operated.
2007San Francisco, California, United StatesUSD 201.5 M––
Cloud-based LMS platform for IT industry
2004Farmington, United StatesUSD 235.41 MUSD 4.95 M260
Employee health benefits are facilitated via a cloud-based platform.
2007Plymouth Meeting, Pennsylvania, United StatesUSD 228.3 M––
Business spends, payments, and rewards are streamlined by automated workflows.
2011Hyderabad, Telangana, IndiaUSD 13.75 MUSD 149.43 M431
Virtual physical therapy and digital pain care solutions are provided.
2015San Francisco, California, United StatesUSD 854.44 M––
Cloud-based HR and financial software is delivered to enterprises.
2005Pleasanton, California, United StatesUSD 352.3 MUSD 9.53 B20,400
Businesses are connected with freelancers via an online marketplace.
1999San Francisco, California, United StatesUSD 140 MUSD 787.78 M600
Tech-enabled mental health solutions for employers are provided.
2016New York, New York, United StatesUSD 508.73 M––
SaaS-driven credit card and spend management solutions platform for businesses
2017Draper, Utah, United StatesUSD 1.16 B–1
Cloud-based HRMS software is offered for small and medium-sized businesses.
2016Barcelona, Catalonia, SpainUSD 369.25 M––
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Frequently Asked Questions about Sirenum

Sirenum was founded in 2013 and raised its 1st funding round 8 years after it was founded.

Sirenum is headquartered in London, United Kingdom. It is registered at London, England, United Kingdom.

Sirenum is a funded company, having raised a total of $2.74M across 1 funding round to date. The company's 1st funding round was a Series A of $2.74M, raised on Jan 2021.

Sirenum was founded in 2013 and is headquartered in London, United Kingdom. Operations focus on the workforce management sector, where cloud-based tools are provided for staff scheduling, shift acceptance, geolocation tracking, and real-time gross pay data. A mobile application, MySirenum, is available on the Google Play Store and Apple App Store. Clients served include Manpower, Change, Savanna, Blue Arrow, and Impellam.

Sirenum's top competitors include WorkJam, Legion and ZingHR.

Sirenum offers Scheduling Tool, Compliance Management, Monitoring Platform, Financial Module, and Mobile App.

Sirenum has 3 investors. Key investors include Bullhorn, Sir Terry Leahy, and William Currie Group.

Sirenum operates through Sirenum Limited.

Yes. Sirenum was acquired by Bullhorn in July 2021.

Yes. Sirenum publishes MySirenum and 1 more app, with over 50,000 downloads.

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