Sirenum
With the the temporary agency industry's most flexible scheduling engine, Sirenum helps agencies configure and manage rosters.
Market Share of Sirenum
Current Customer(s)
30
Market Share (Est.)
0.01%
Ranking
#56
Top Competitors and Alternatives of Sirenum
The top three of Sirenum’s competitors in the Employee Scheduling category are Calendly with 42.58%, Acuity Scheduling with 24.14%, MyTime with 11.10% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Calendly | 130511 | 42.58% | Sirenum vs Calendly |
| Acuity Scheduling | 73993 | 24.14% | Sirenum vs Acuity Scheduling |
| MyTime | 34024 | 11.10% | Sirenum vs MyTime |
| monday.com | 17520 | 5.72% | Sirenum vs monday.com |
| Bitrix24 | 8353 | 2.73% | Sirenum vs Bitrix24 |
| QuickBooks Time | 6784 | 2.21% | Sirenum vs QuickBooks Time |
| Housecall Pro | 4781 | 1.56% | Sirenum vs Housecall Pro |
| Square Appointments | 4486 | 1.46% | Sirenum vs Square Appointments |
| Verizon WORK | 4246 | 1.39% | Sirenum vs Verizon WORK |
| Shore | 3089 | 1.01% | Sirenum vs Shore |
| MangoApps | 2536 | 0.83% | Sirenum vs MangoApps |
| Kronos Workforce Ready | 2196 | 0.72% | Sirenum vs Kronos Workforce Ready |
| Deputy | 2074 | 0.68% | Sirenum vs Deputy |
| Booker Software | 1648 | 0.54% | Sirenum vs Booker Software |
| Homebase | 816 | 0.27% | Sirenum vs Homebase |
| When I Work | 777 | 0.25% | Sirenum vs When I Work |
| SwipeClock | 767 | 0.25% | Sirenum vs SwipeClock |
| Agendize | 699 | 0.23% | Sirenum vs Agendize |
| Tanda | 662 | 0.22% | Sirenum vs Tanda |
| InitLive | 535 | 0.17% | Sirenum vs InitLive |
Popular Comparisons
Top Competitors and Alternatives of Sirenum
The top three of Sirenum’s competitors in the Employee Scheduling category are Calendly with 42.58%, Acuity Scheduling with 24.14%, MyTime with 11.10% market share.
Sirenum vs Calendly
Sirenum vs Acuity Scheduling
Sirenum vs MyTime
Sirenum vs monday.com
Sirenum vs Bitrix24
Sirenum vs QuickBooks Time
Sirenum vs Housecall Pro
Sirenum vs Square Appointments
Customers of Sirenum
Around the world in 2025, over 30 companies have started using Sirenum as Employee Scheduling tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| ManpowerGroup | 10,000+ | Milwaukee | Wisconsin | United States |     |
| Randstad | 10,000+ | Diemen | North Holland | Netherlands | |
| Tata Consultancy Services | 10,000+ | Mumbai | Maharashtra | India | |
| Randstad | 10,000+ | Atlanta | Georgia | United States | |
| Great Western Railway | 10,000+ | Swindon | England | United Kingdom | |
| Impellam Group | 10,000+ | Luton | England | United Kingdom | |
| Publicis Sapient | 10,000+ | Boston | Massachusetts | United States | |
| Gi Group Holding | 5,000 - 9,999 | Milan | Lombardy | Italy | |
| The Good Care Group | 1,000 - 4,999 | London | England | United Kingdom | |
| J. J. Keller & Associates | 1,000 - 4,999 | Neenah | Wisconsin | United States | |
Uncover hidden demand and identify accounts ready to buy with 6sense Intent Data.
Sirenum Customers by Products and Services
The top three products and services offering customers that use Sirenum for Employee Scheduling are Recruitment (4), Training (4), Career Transition Services (3).
Customers
Download the 6sense Chrome Extension to get verified contact data of Sirenum employees
Install Now
Sirenum Customers by Employee Size
The majority of Sirenum's customers for the employee-scheduling category fall in the company size of 10,000+ employees (10 companies), 250 - 499 employees (4 companies), 100 - 249 employees (4 companies).
Employee Size
Sirenum Customers by Geography
The top three geographies of Sirenum for employee-scheduling are the United Kingdom with 14(46.67%), United States with 8(26.67%), Netherlands with 2(6.67%) customers respectively.
Customers
Employees of Sirenum
Also see other Products/Services by Sirenum in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Sirenum competitors?
Sirenum’s Top competitors in the employee-scheduling category are Calendly, Acuity Scheduling, MyTime. You can view a full list of Sirenum competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Sirenum and 40,000 other technologies on the internet. You can also compare Sirenum and its feature with top competitors here : Sirenum vs Calendly Sirenum vs Acuity Scheduling Sirenum vs MyTime.
What is Sirenum customer distribution based on company size?
What is Sirenum market share in the employee-scheduling?
What are the top countries that use Sirenum?
What are the top industries that use Sirenum?
Get everything in one place
Close deals faster by understanding your clients well. Know their technology stack, contract renewal date, top decision-makers, hiring trends, and top company news in one place.
Get a demoGet instant access to B2B contact data across the web
Sign Up Today
