Top Active Directory Companies
Browse 2 vetted companies specializing in Active Directory. Expert Managed IT Services providers with proven Active Directory expertise. Compare ratings, portfolios, and reviews to find the perfect partner.
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2 companies found
Intelegain Technologies
Mobile Application Development Company in USA
northfive
We are N5 - a team of four practitioner-founders who’ve built, run and scaled cloud, SRE and AI systems for NATO, Barclays, Devoteam and others. Born from years of delivery, we close the gap.
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Active Directory (AD) is Microsoft's on-premises identity and access management platform that controls authentication and authorization for users, computers, and applications across Windows-based networks. IT companies specializing in Active Directory design, deploy, secure, and migrate AD environments - including transitions to Azure Active Directory (now Microsoft Entra ID) for hybrid and cloud-first organizations.
Active Directory misconfigurations are among the most exploited attack vectors in enterprise environments, with misconfigured Group Policy, excessive admin privileges, and stale accounts giving attackers a direct path to domain compromise. Without experienced AD specialists, organizations often accumulate years of technical debt - orphaned accounts, unpatched domain controllers, and permission sprawl - that turns a routine audit into a months-long remediation project.
Active Directory - By the Numbers
- 90%+ of Fortune 500 - companies rely on Active Directory as their primary identity store, making AD skills universally relevant across enterprise IT
- 1 billion+ user accounts - estimated number of accounts managed in Active Directory environments globally across enterprise and government deployments
- 95% of cyberattacks - security researchers at Mandiant and CrowdStrike consistently report that nearly all advanced intrusions involve Active Directory abuse or lateral movement through AD
- Microsoft Entra ID (Azure AD) - as of 2023 rebranded to Entra ID, managing over 600 million monthly active users across Microsoft 365 and Azure tenants
- Average 16 days - time attackers dwell inside an AD environment before detection, according to 2024 Mandiant M-Trends data, highlighting the need for continuous monitoring
- $4.45 million - average cost of a data breach in 2023 (IBM report), with identity compromise as the leading initial attack vector in AD-heavy enterprise environments
What Active Directory Companies Do
Active Directory Design and Deployment
AD specialists architect forest and domain structures, organizational unit (OU) hierarchies, site topology, and trust relationships for new organizations or greenfield deployments. They configure domain controllers, FSMO roles, DNS integration, and replication schedules following Microsoft best practices to ensure a stable and scalable identity foundation.
AD Security Hardening and Assessment
Security-focused AD firms audit existing environments for critical misconfigurations including Kerberoastable accounts, AS-REP roasting vulnerabilities, unconstrained delegation, AdminSDHolder abuse, and excessive domain admin memberships. They deliver prioritized remediation roadmaps and implement controls such as Protected Users security group, Privileged Access Workstations (PAWs), and tiered administration models.
Azure AD / Microsoft Entra ID Migration
Companies specializing in hybrid identity help organizations connect on-premises AD to Microsoft Entra ID using Microsoft Entra Connect (formerly Azure AD Connect), configure seamless SSO, Password Hash Synchronization or Pass-Through Authentication, and implement Conditional Access policies. Full cloud migrations to Entra-only (Entra Joined) environments require additional planning around legacy app compatibility and device management.
Group Policy Management and Optimization
AD partners audit, document, and restructure Group Policy Object (GPO) sprawl that accumulates over years of organic growth. They consolidate redundant policies, implement GPO change management workflows, and configure security baselines aligned to CIS Benchmarks or DISA STIGs to meet compliance requirements.
Active Directory Disaster Recovery
Specialist firms design and test AD backup and recovery procedures including Authoritative Restore, tombstone lifetime management, and domain controller rebuild playbooks. They configure AD Recycle Bin, implement backup schedules for SYSVOL and AD database files, and run tabletop exercises to validate recovery time objectives before a real incident forces the issue.
Identity Governance and Privileged Access Management
Larger AD consultancies integrate Active Directory with PAM solutions such as CyberArk, BeyondTrust, or Microsoft Entra Privileged Identity Management to enforce just-in-time access, session recording, and approval workflows for high-privilege operations. They also implement Joiner-Mover-Leaver lifecycle automation to keep accounts synchronized with HR systems.
Active Directory Costs and Pricing
Active Directory itself is included in Windows Server licensing - there is no standalone AD license fee. However, the services required to design, secure, migrate, and maintain an AD environment carry significant professional services costs. Cloud identity through Microsoft Entra ID is licensed separately. Typical 2025-2026 pricing ranges:
- AD security assessment - $5,000 to $30,000 for a comprehensive environment audit covering attack paths, misconfigurations, and a prioritized remediation report; scope-dependent
- AD hardening and remediation project - $10,000 to $75,000 depending on environment size, number of domain controllers, and depth of privilege restructuring required
- Azure AD / Entra Connect deployment - $3,000 to $15,000 for a standard hybrid identity setup; complex multi-forest or custom attribute sync scenarios push toward the higher end
- Microsoft Entra ID P1 (per user/month) - $6 per user per month, required for Conditional Access, Self-Service Password Reset, and hybrid identity features
- Microsoft Entra ID P2 (per user/month) - $9 per user per month, adding Privileged Identity Management, Identity Protection, and access reviews
- Ongoing managed AD services - $500 to $3,000 per month for monitoring, GPO management, account lifecycle administration, and quarterly health reviews
How to Choose an Active Directory Partner
Active Directory expertise varies enormously. Some generalist MSPs can handle basic AD management but lack the depth to secure a complex environment or execute a safe migration. When evaluating AD specialists, consider the following factors:
- Check Microsoft certifications - look for Microsoft Certified: Identity and Access Administrator Associate (SC-300) or Windows Server certifications; for security work, Microsoft Security Operations Analyst (SC-200) is also relevant
- Ask about BloodHound experience - skilled AD security firms use BloodHound or PingCastle to map attack paths; if they are not familiar with these tools, they will miss critical vulnerabilities
- Verify migration methodology - for AD-to-Entra migrations, demand a documented cutover plan with rollback procedures; migrations done without a tested rollback can leave users locked out
- Assess documentation practices - a good AD partner delivers full environment documentation (forest/domain diagram, GPO inventory, delegation map) not just a configuration change log
- Evaluate monitoring capabilities - AD security requires continuous monitoring of authentication events, privilege use, and replication health; confirm the partner can integrate with your SIEM or provide managed AD monitoring
- Reference check on similar-size environments - managing AD for 50 users is fundamentally different from managing a multi-site, multi-domain forest with 10,000 accounts; verify experience at your scale
Active Directory - Frequently Asked Questions
What is the difference between Active Directory and Microsoft Entra ID (Azure AD)?▼
Active Directory Domain Services (AD DS) is an on-premises directory service that manages Windows computers, users, and group policies within a local network using protocols like Kerberos and LDAP. Microsoft Entra ID (rebranded from Azure Active Directory in 2023) is a cloud-based identity platform that manages access to Microsoft 365, Azure, and thousands of SaaS applications using modern protocols like OAuth 2.0 and SAML. Many organizations run both in a hybrid configuration, synchronizing on-premises AD accounts to Entra ID using Microsoft Entra Connect. They are related but architecturally distinct products, and expertise in one does not automatically transfer to the other.
How long does an Active Directory migration to Azure AD typically take?▼
A hybrid identity deployment using Entra Connect for a mid-sized organization (200 to 1,000 users) typically takes 4 to 12 weeks from assessment to production cutover when done carefully. A full migration to cloud-only Entra ID (removing the on-premises AD dependency) is a much larger undertaking that can take 6 to 18 months for organizations with legacy applications, on-premises file servers, or domain-joined devices that require re-enrollment. Timeline depends heavily on application compatibility, the number of legacy systems using NTLM or Kerberos, and the complexity of existing Group Policy configurations that must be replicated in Intune.
What are the most critical Active Directory security risks to address first?▼
The highest-priority AD security risks consistently exploited in real-world attacks include: unconstrained Kerberos delegation (allows any service to impersonate any user), Kerberoastable service accounts with weak passwords, accounts with AS-REP roasting vulnerability (pre-authentication disabled), excessive membership in Domain Admins or Enterprise Admins groups, and the use of privileged accounts for daily tasks. Stale computer accounts and users who have not logged in for 90+ days also represent attack surface. A BloodHound or PingCastle scan will surface attack paths ranked by severity and help your AD partner prioritize remediation work.
How many domain controllers does my organization need?▼
Microsoft's minimum recommendation is two domain controllers per domain for redundancy - if one fails, the other continues servicing authentication requests. Organizations with multiple physical sites should have at least one domain controller per site to avoid authentication traffic crossing WAN links. Domain controllers should be dedicated servers (physical or virtual) not running other workloads, and they should never be domain-joined in a way that allows standard user access. For high-availability environments, three or more DCs per site allow for maintenance windows without service interruption. Your AD partner should model DC placement against your site topology and user distribution.
Can Active Directory be restored after a ransomware attack encrypts domain controllers?▼
Yes, but recovery depends entirely on whether clean, tested backups exist. Active Directory recovery requires restoring from System State backups (or full DC backups) taken before the compromise. If backups are also encrypted or corrupted, rebuilding AD from scratch is required - a process that can take days or weeks depending on environment complexity and documentation quality. Organizations should maintain offline or immutable AD backups that ransomware cannot reach, test restoration quarterly, and document their forest/domain configuration so a rebuild is feasible. Entra ID (Azure AD) data is managed by Microsoft and is not directly vulnerable to on-premises ransomware, which is one operational advantage of the hybrid or cloud-only model.