Category guide · Software

Identity and Access Management (IAM) Software

Single sign-on, multi-factor authentication, lifecycle provisioning and access governance that control who can access what, and prove it.

Also called Identity Management, Access Management

Quick answer

What is identity and access management (IAM) software?

Identity and access management (IAM) software manages digital identities and controls access to applications and data. It includes single sign-on, multi-factor and passwordless authentication, directory services, user lifecycle provisioning, privileged access management and identity governance with access reviews. It covers both identity management and access management.

Category overview

Identity & Access Management (IAM), explained.

Problems it solves

Separate passwords for every app, manual account creation and forgotten leavers create security gaps and admin work.

Why businesses need it

Stolen credentials are a common route into organisations; strong identity controls reduce risk and simplify access for users.

How it works

A central identity provider authenticates users, applies policies such as MFA, federates access to apps, provisions and deprovisions accounts from HR data, and logs access for reviews.

Who should use it

IT and security teams, compliance teams and every employee, contractor and partner who signs in.

Where it fits in your stack

IAM connects HR systems, devices, cloud platforms and every business application.

Key features

Key features and capabilities of Identity & Access Management (IAM).

The capabilities that define the category. Not every product offers all of them, and depth varies a lot between entry-level and enterprise tools.

  • Single sign-on

    One login for many apps.

  • Multi-factor authentication

    Stronger sign-in.

  • Passwordless authentication

    Passkeys and biometrics.

  • User provisioning

    Automatic account creation and removal.

  • Directory

    Central user store.

  • Access policies

    Context-based access rules.

  • Privileged access management

    Control admin access.

  • Access reviews

    Periodic certification.

Business use cases

How businesses use Identity & Access Management (IAM).

  1. 01

    Employee SSO

    Simplify sign-in.

  2. 02

    Joiner-mover-leaver

    Automate access changes.

  3. 03

    Contractor access

    Time-limited accounts.

  4. 04

    Admin access control

    Protect privileged accounts.

  5. 05

    Compliance reviews

    Certify access.

  6. 06

    Customer identity

    Secure customer logins.

Who should use it

Who Identity & Access Management (IAM) is for.

IT teams

Manage accounts.

Security teams

Reduce credential risk.

Compliance teams

Prove access control.

Growing companies

Scale onboarding.

Enterprises

Complex identity estates.

Benefits and business impact

What Identity & Access Management (IAM) changes in practice.

Practical outcomes teams report when the category is implemented well. Results depend on adoption, data quality and process, so we do not quote percentages.

Stronger security

MFA and policies.

Simpler sign-in

Fewer passwords.

Faster onboarding

Automated provisioning.

Prompt offboarding

Access removed on leaving.

Audit readiness

Access logs and reviews.

Less help desk work

Fewer password resets.

Buying guide

How to choose Identity & Access Management (IAM).

Use these criteria to build a shortlist, then test the finalists with your own data and workflows.

Essential features

Prioritise SSO coverage, MFA options and provisioning from your HR system.

Pricing models

Per-user pricing with feature tiers. Model the cost at your expected volume, not the entry price.

Integrations

Check HRIS, app catalogue, device and cloud integrations.

Scalability

Consider user counts, external users and app numbers.

Security and compliance

Review availability, certifications and recovery options.

Implementation

Roll out MFA in phases with communication.

Support

Check support availability. For identity & access management (IAM), ask how quickly the vendor responds when something breaks and whether onboarding help is included.

Customisation

Look for custom policies and APIs. The more identity & access management (IAM) must fit your own processes, the more this matters.

Questions to ask before you buy

  • Which of our apps support SSO and provisioning?
  • Which MFA and passwordless methods are supported?
  • How does it connect to our HRIS?
  • What happens if the identity provider is down?
  • Are access reviews included?
  • How is pricing tiered?
Marketplace listings

Identity & Access Management (IAM) on Stack18.

Listings in preparation

Solutions for every stage of your growth.

We are researching identity & access management (IAM) products now. Each listing will show sourced pricing, capabilities, integrations and limits, with dates, and no paid placement.

Until listings are published, use the buying guide above to shape your shortlist, or explore related categories that already have sourced profiles.

FAQ

Identity & Access Management (IAM) questions and answers

What is IAM?

Identity and access management: managing user identities and controlling their access to systems.

Identity management or access management?

Identity management handles who users are; access management controls what they can reach. IAM covers both.

What is SSO?

Single sign-on lets users sign in once to access many applications.

What is privileged access management?

Controls and monitoring for administrator and other high-risk accounts.

What are passkeys?

Phishing-resistant credentials that replace passwords using device-based cryptography.

Do AI agents need identity management?

Yes. Agents acting on systems need their own identities, scoped permissions and audit trails.

Next step

Build a smarter technology stack.

Explore software and AI agents across every category, read sourced profiles and side-by-side comparisons, or talk to Stack18 about what to buy, build and connect.