Glossary
Applicant tracking system
An applicant tracking system (ATS) is a database-of-record for everyone who applies to a company, used by in-house recruiting teams and staffing firms to manage candidates, requisitions, and pipeline state at scale.
Short definition
An applicant tracking system (ATS) is a database-of-record for candidates, requisitions, and pipeline activity. ATSs are used by in-house recruiting teams and staffing firms to manage hiring at scale. Common examples include Greenhouse, Lever, and Bullhorn. Independent recruiters and small agencies often skip an ATS entirely.
An applicant tracking system (ATS) is the database that holds everything about a recruiting team's hiring activity. Every candidate, every role, every interview round, every feedback note. Most ATSs are paid SaaS — Greenhouse, Lever, Workday Recruiting, and Bullhorn (the staffing-firm-focused one) dominate the market.
When you need an ATS
An ATS is necessary when there are enough people in the recruiting process that shared state has to live somewhere structured. Multi-recruiter teams, compliance-driven hiring (EEOC reporting, GDPR data-subject requests), and high-volume requisitions are the textbook use cases.
When you don't need an ATS
Independent technical recruiters and small agencies usually don't. The single-desk recruiter is the only person who needs to know the state of their pipeline, the requisitions are individual placements rather than ongoing reqs, and the compliance surface is much smaller. The cost of an ATS subscription typically exceeds the value when the team is one or two people.
What these recruiters actually need is a submission and review surface — the part of the workflow where a candidate goes in front of a hiring manager and a decision happens. An ATS is overkill for that single workflow.
ATS vs submission portal
A submission portal is not a replacement for an ATS. They live at different layers. An ATS is the system of record. A submission portal is the system of action for the specific moment a candidate is being reviewed. Big firms run both. Independent recruiters often run only the portal.
Where Submio fits
Submio is a standalone submission portal — not an ATS. It does the submit-share-review-react loop without requiring an ATS underneath.
Related terms
Candidate submission portal
A candidate submission portal is a tool recruiters use to package a candidate (resume, scorecard, evaluation, optional video) into a single shareable link the hiring manager can review without logging in.
Client portal for recruiters
A client portal for recruiters is a private review surface a recruiter shares with their hiring-manager clients so the client can review candidates and give feedback without joining the recruiter's internal toolchain.