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Sirenum by Bullhorn
What Sirenum by Bullhorn is
Sirenum by Bullhorn provides workforce management technology for scheduling, monitoring, financial, and compliance processes in dynamic workforces. Its AI-powered scheduling matches and distributes shifts according to worker availability, skills, and compliance. The platform also supports fatigue, credential, and licensure management, with compliance tracking for workers placed on shifts. Workers can manage availability, accept shifts, view schedules, or request work through a branded mobile platform, which also provides shift reminders, arrival confirmations, and last-minute updates. Worker self-service is available on Bullhorn Recruitment Cloud only. Client self-service, also limited to Bullhorn Recruitment Cloud, includes schedules, worker ratings, timesheet approvals, and shift requests. Pre-built reports and dashboards cover shift performance, fill rates, and revenue trends, with customizable analytics available. Sirenum was built on Salesforce and is integrated with Bullhorn for Salesforce. Bullhorn describes it as intended for recruitment agencies, particularly large European firms using Salesforce. It runs on Android, iOS, and the web. Pricing is on request; customers are directed to contact their account manager about purchasing.
Who it suits
Sirenum suits recruitment agencies managing dynamic workforces, particularly large European firms using Salesforce. Its scheduling and compliance features address shift-based staffing processes.
What it does well
- Matches shifts to availability, skills, and compliance
- Tracks fatigue, credentials, and licensure
- Includes shift reminders and schedule updates
- Reports on shift performance, fill rates, and revenue
- Available on Android, iOS, and web
What to know first
- Worker self-service requires Bullhorn Recruitment Cloud
- Client self-service requires Bullhorn Recruitment Cloud
- Pricing is available on request
Limits
Worker and client self-service are available only through Bullhorn Recruitment Cloud. Pricing is on request, with purchasing information available through an account manager.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Pricing on request | Contact Bullhorn for purchasing information | On request |
As sirenum.com lists them, read 9 Oct 2026. The maker's own page has the final word.
Getting started
- Visit https://sirenum.com/.
- Contact your account manager about purchasing Sirenum solutions.
- Use Sirenum on the web, Android, or iOS.
- For worker or client self-service, use Bullhorn Recruitment Cloud.
Verdict
Sirenum brings shift scheduling, workforce compliance, self-service, and reporting into one workforce management platform. Worker and client self-service are limited to Bullhorn Recruitment Cloud, and purchasing information requires contacting an account manager.
Questions
How much does Sirenum cost?
Pricing is on request. Contact an account manager for purchasing information.
What platforms does Sirenum support?
Sirenum is available on Android, iOS, and the web.
Can workers manage shifts themselves?
Workers can set availability, accept shifts, view schedules, and request work through the branded mobile worker platform. Worker self-service is available on Bullhorn Recruitment Cloud only.
What can clients do through self-service?
Clients can access shift schedules and worker ratings, approve timesheets, and request shifts. This self-service feature is available on Bullhorn Recruitment Cloud only.
What software does Sirenum integrate with?
Sirenum was built on Salesforce and is integrated with the Bullhorn for Salesforce platform.
Who is Sirenum designed for?
Bullhorn describes Sirenum as a workforce management solution for recruitment agencies, particularly large European firms using Salesforce.
Facts from Sirenum by Bullhorn's own pages
- Client self-service
- Clients can access shift schedules, worker ratings, timesheet approvals, and shift requests; the site says this feature is available on Bullhorn Recruitment Cloud only. · sirenum.com, 9 Oct 2026
- Company headquarters
- Bullhorn says it is headquartered in Boston. · sirenum.com, 9 Oct 2026
- Compliance
- The workforce management platform supports fatigue, credential, and licensure management, with contextual compliance tracking for workers placed on shifts. · sirenum.com, 9 Oct 2026
- Founded
- 2013 · sirenum.com, 28 Sept 2026
- Headquarters
- London, United Kingdom · sirenum.com, 28 Sept 2026
- Integrations
- Sirenum was built on Salesforce, and Bullhorn describes it as integrated with the Bullhorn for Salesforce platform. · bullhorn.com, 9 Oct 2026
- Intended users
- Bullhorn describes Sirenum as a workforce management solution for recruitment agencies, particularly large European firms using Salesforce. · bullhorn.com, 9 Oct 2026
- Notifications
- The mobile worker platform provides shift reminders, on-time arrival confirmations, and last-minute schedule updates. · sirenum.com, 9 Oct 2026
- Pricing availability
- Bullhorn directs customers interested in purchasing Sirenum solutions to contact their account manager. · bullhorn.com, 9 Oct 2026
- Purpose
- Sirenum provides workforce management technology for scheduling, monitoring, financial, and compliance processes for dynamic workforces. · bullhorn.com, 9 Oct 2026
- Reporting
- The platform includes pre-built reports and dashboards for shift performance, fill rates, and revenue trends, and supports customizable analytics. · sirenum.com, 9 Oct 2026
- Shift matching
- Its AI-powered scheduling matches and distributes shifts based on worker availability, skills, and compliance. · sirenum.com, 9 Oct 2026
- Support
- Sirenum customers are directed to continue using their existing methods to contact the Bullhorn for Salesforce Support team and to contact their account manager about account questions. · bullhorn.com, 9 Oct 2026
- Worker self-service
- Workers can set availability, accept shifts, view schedules, or request work through a branded mobile worker platform; the site says this feature is available on Bullhorn Recruitment Cloud only. · sirenum.com, 9 Oct 2026
Where Sirenum by Bullhorn stands on Freedom251
- Recruitment Agency Software#28 of 33