Microsoft 365 Services

Secure, managed Microsoft 365 built for SMB reality.

Stop mailbox confusion with managed setup, permissions, and support backed by under 2 hour response.

Reduce phishing exposure with managed email security, reporting, and proof in every monthly report.

Avoid slow migrations with focused deployment support, often completed in less than 24 hours.

Control Microsoft 365 costs with licensing guidance built for firms starting at email-only support.

Keep staff productive with cyber and systems engineers supporting users through fast issue resolution.

Request a Quote for our Microsoft 365 Services

Our Clients

Trusted Support for Security-Focused Firms

Clear reporting, fast response, and practical Microsoft 365 support your team can rely on.

PERIMETRA provided a highly professional security architecture review that helped us modernize our systems and close critical gaps. Their recommendations were practical, cost-effective, and aligned perfectly with our business goals.

Raytheon

What stood out most about PERIMETRA was their responsiveness and technical depth. Whether it was vulnerability management, monitoring, or compliance support, their engineers consistently delivered fast and knowledgeable assistance.

CACI

We needed a partner who could simplify cybersecurity and compliance across multiple locations. PERIMETRA delivered clear guidance, proactive monitoring, and reliable support that helped us reduce risks and improve operational visibility.

Leah Abrams

LAbrams

We were struggling with ransomware concerns and inconsistent monitoring before partnering with PERIMETRA. Their managed security services gave us 24/7 visibility, faster response times, and far greater confidence in our infrastructure.

Mantech

Their penetration testing and security assessments uncovered weaknesses we did not know existed. PERIMETRA provided practical remediation steps and worked closely with our internal team to improve resilience across our environment.

Redkey Solutions

PERIMETRA transformed the way we manage cybersecurity. From endpoint protection to cloud backup and disaster recovery, everything is now centralized, monitored, and professionally maintained with minimal effort from our staff.

Leidos

Their cloud transformation and managed IT services gave our organization the stability and scalability we needed. The migration process was smooth, secure, and supported by a team that genuinely understood our operational challenges.

Accenture

PERIMETRA helped us strengthen our security posture without disrupting daily operations. Their team handled vulnerability testing, endpoint protection, and compliance support with impressive speed and professionalism. We finally feel confident in our IT security strategy.

Nicolas Abrams

Opulentia

The team at PERIMETRA made GDPR and ISO compliance far less overwhelming than we expected. Their expertise, communication, and structured process helped us meet requirements while improving overall security operations.

Pana Solutions

How Hidden Ransomware Was Stopped

When a ransomware attack struck without warning, Perimetra contained it early and gave the firm clear proof of what happened.

How Endpoint Security Was Strengthened

After moving to Perimetra, Dental Group gained stronger endpoint detection, caught threats early, and improved insurability.

How An Accounting Firm Stopped Weekly BEC Threats

Recurring phishing threats were reaching an accounting team’s inboxes weekly until Perimetra deployed fast, effective email protection.

Awards & Certifications

Microsoft 365 Services Built for Secure Daily Work

Practical management, protection, and support

Tenant Management

Cleaner Control and Visibility

Microsoft 365 management starts with a clear view of your tenant, users, licensing, mail flow, and current settings. Perimetra reviews how accounts are created, where access is exposed, and which tools are being underused or misconfigured.

You receive practical recommendations, prioritized fixes, and implementation support that keeps disruption low. The goal is simple: cleaner administration, stronger control, and fewer daily issues for staff.

Email Security

Safer Email and Collaboration

Email is one of the most common paths for phishing, impersonation, and business email compromise. Perimetra helps strengthen Microsoft 365 email controls, review risky settings, support mailbox administration, and coordinate remediation when suspicious activity appears.

The focus stays practical: reduce preventable exposure, improve visibility, and give your firm clearer proof of what is being monitored, adjusted, and resolved.

User Administration

Faster User Access Support

Every new hire, role change, and departure can create access issues if Microsoft 365 is not managed carefully. Perimetra supports user onboarding, password assistance, account administration, permissions cleanup, and end-user troubleshooting.

This helps your team move faster without leaving unnecessary access behind. Staff get practical help, administrators get cleaner records, and leadership gets a more controlled collaboration environment.

License Guidance

Better License Decisions

Microsoft 365 licensing can become expensive or confusing when plans are added without review. Perimetra helps evaluate what your users need, where licenses may be mismatched, and how your subscriptions align with security, productivity, and support requirements.

You get straightforward guidance without pressure. The result is a Microsoft 365 setup that fits your firm better, supports growth, and avoids paying for tools that do not serve a clear purpose.

Migration Support

Low-Disruption Setup Help

Microsoft 365 migrations and setup projects work best when planning is direct and execution is organized. Perimetra helps with account preparation, mailbox coordination, user communication, settings review, and post-migration support so the transition is easier on staff.

Many deployments can happen in less than 24 hours depending on client size. The approach favors speed over bureaucracy while still keeping security and business continuity in view.

Helpdesk Support

Responsive Ongoing Support

Microsoft 365 support does not stop after setup. Perimetra provides user assistance, software troubleshooting, account support, vendor coordination, and issue resolution through a practical managed IT model.

Active clients benefit from under 2 hour response support, AI virtual 24/7 support availability, and a team of cyber and systems engineers focused on keeping users productive and environments controlled.

Our Elite Partners

Proof-Driven Microsoft 365 Management

2.5x

Detection Rate With Human-Led Hunting

197 day

Average Dwell Time Without Proactive Hunting

61%

Breaches Involving Credential Theft

Make Microsoft 365 Easier to Manage and Safer to Use

Microsoft 365 is where your firm works, shares files, signs in, sends sensitive information, and communicates with clients or patients. If it is not configured correctly, small gaps can create daily friction and avoidable security exposure.

Perimetra manages Microsoft 365 with a practical, security-first approach. Your current tenant, users, licensing, email settings, access controls, and collaboration tools are reviewed first. Then clear remediation steps are prioritized by business impact, not technical noise.

The result is a quieter, better-managed Microsoft 365 environment with stronger email protection, cleaner administration, faster user support, and reporting that shows what was handled.

Clear Administration for Busy Professional Teams

Your Microsoft 365 environment should support the way your team actually works while reducing avoidable risk. Perimetra focuses on fast implementation, clean administration, and practical security controls.

Mailbox and user account administration
Microsoft 365 security review and configuration guidance
Email security support for phishing and business email compromise reduction
User onboarding, offboarding, and access cleanup
Licensing guidance to reduce waste and improve fit
Support for Teams, OneDrive, SharePoint, and common user issues

You get clear next steps, managed execution, and proof in every report.

Security-First Microsoft 365 Support Without the Noise

Law, medical, and accounting firms rely on Microsoft 365 for daily communication and document access. That makes uptime, access control, email protection, and user support business-critical.

Perimetra helps turn Microsoft 365 into a managed service instead of another tool your staff has to chase. Cyber and systems engineers handle configuration, troubleshooting, user assistance, vendor coordination, and ongoing monitoring where applicable.

With radical transparency, speed over bureaucracy, and a 30-day proof-of-value option for qualified businesses, you can see what is working, what needs attention, and what protection looks like before committing long term.

Schedule a Microsoft 365 Assessment

Get clarity on risk, licensing, and security without sales pressure.

Explore Related Managed IT Services

Frequently Asked Questions

What is included with your microsoft 365 services for law, medical, or accounting firms?

You get a fully managed microsoft 365 experience that covers secure setup, user and mailbox administration, licensing guidance, and ongoing support. The service includes:

Security and configuration reviews for your tenant
Email and permissions management
Onboarding and offboarding help
Phishing and BEC risk reduction
Fast support for Teams, OneDrive, and SharePoint

Everything is tailored to your firms size and regulatory needs, with clear administration and reporting.

How do microsoft 365 services benefit my firms security and productivity?

Your team works safer and more efficiently with managed security, regular threat monitoring, and streamlined administration. You reduce phishing exposure, avoid mailbox confusion, and get fast response for issues. Monthly reports show exactly what was handled, so you have proof of protection and improvements. Productivity is supported with clear user onboarding and rapid troubleshooting by cyber and systems engineers.

What is the process for migrating our existing emails and files to microsoft 365?

The migration process starts with a 20-minute risk assessment to review your current setup and identify gaps. A custom migration plan is created to minimize disruption, and deployment is typically completed in less than 24 hours. Agents are installed silently, your data is moved securely, and you receive step-by-step updates and post-migration support to ensure everything runs smoothly.

How long does it take to set up microsoft 365 services and what does it cost?

Most deployments are completed within 24 to 48 hours, depending on your firms size and complexity. Pricing starts at $8 per month for email-only support, $14 for endpoint-only, and $24 for bundled services. You receive a clear quote with no hidden fees, and there is a complimentary 20-minute assessment with no commitment or sales pressure.

Why should I trust your team with our microsoft 365 environment?

You benefit from a security-first approach backed by over 14 years of IT experience and a proven track record supporting professional firms. The average client retention rate is over 98% with a 100% customer satisfaction rating. Deployments are transparent, fast, and monitored 24/7, with clear reporting and a dedicated partnership. You see proof in every report and get support from certified engineers based in Bowie, Maryland.