Large Business IT Services

Full life-cycle IT built for larger firms.

24/7 monitoring supports a 99.9% uptime SLA for your teams.

P1 issues receive response support in under 2 hours.

Monthly reports provide proof in every report.

Many deployments can be completed in less than 24 hours.

Cyber and systems engineers coordinate tools and issue resolution.

Request a Quote for our Large Business IT Services

Our Clients

Clear IT Outcomes, Not Guesswork

See how practical support, fast deployment, and transparent reporting build trust.

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

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

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

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

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

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

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

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 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

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

What Large Business IT Services Include

Security-first operational support

Managed Infrastructure

Quiet, reliable daily control

Large environments need consistent control over servers, workstations, applications, and day-to-day maintenance. Perimetra manages infrastructure health, endpoint status, patching, system maintenance, and technology lifecycle planning so internal teams are not left chasing avoidable issues.

You receive practical visibility into what is monitored, what was updated, and what still needs attention. That keeps IT decisions grounded in real conditions, not guesswork.

Cybersecurity

Clear protection with proof

Cybersecurity is built into the managed IT model, not treated as a separate afterthought. Perimetra supports threat detection and response, endpoint protection, email security, vulnerability management, risk assessments, and incident response planning for larger teams handling sensitive work.

Security activity is translated into clear reports, giving leadership a usable picture of exposure, blocked activity, remediation steps, and progress over time.

IT Helpdesk

Fast help for busy teams

Support has to work for busy teams that cannot wait days for basic issue resolution. Perimetra provides remote support, onsite support where applicable, troubleshooting, device support, software assistance, ticket management, password help, and account administration.

The focus is simple: resolve user issues quickly, reduce recurring problems, and give staff a reliable path to help through practical support channels, including email and Slack.

Network Support

Stable connectivity at scale

Networks carry the daily workload of large businesses, from cloud apps and file access to voice, video, and secure remote work. Perimetra handles network monitoring, administration, wireless management, firewall management, optimization, connectivity troubleshooting, and performance analysis.

When performance changes, your team gets support that looks at the full picture: devices, users, firewalls, access points, vendors, and infrastructure dependencies.

Cloud Management

Cleaner cloud operations

Cloud environments can become hard to govern when users, licenses, security settings, and data locations change quickly. Perimetra supports cloud migrations, cloud management, Microsoft 365 administration, cloud security, hybrid cloud support, backup solutions, and optimization.

The outcome is a cleaner, better-managed environment where access, security, costs, and continuity are reviewed together instead of handled as disconnected tasks.

Continuity Planning

Documented recovery readiness

Large firms need recovery plans that are documented, tested, and practical under pressure. Perimetra supports backup management, disaster recovery planning, business continuity planning, recovery testing, data protection, recovery documentation, infrastructure resilience, and recovery support.

The goal is to reduce downtime, protect critical data, and give leadership confidence that recovery steps are known before a serious interruption occurs.

Our Elite Partners

Measured IT Support for Larger Business Needs

500+

Endpoints

98%+

Client Retention Rate

99.9%

Uptime SLA

Managed IT That Keeps Larger Teams Moving

Larger firms need IT that can support more users, more endpoints, more vendors, and higher expectations without slowing the business down. Perimetra delivers Full Life-Cycle Managed IT with a security-first approach, practical implementation, and clear reporting.

Your environment is reviewed across endpoints, networks, cloud tools, email systems, support workflows, backups, and vendor dependencies. From there, you get direct guidance on what needs attention, what can wait, and how to reduce risk without creating unnecessary disruption.

The result is a managed IT partner focused on uptime, responsive support, measurable protection, and technology decisions your leadership team can actually understand.

Operational Control Across Your IT Environment

Large business IT cannot rely on reactive troubleshooting alone. It needs steady visibility, fast response, and a clear operating model that supports daily work while reducing exposure.

24/7 monitoring and management across critical systems
Endpoint management, patching, and system maintenance
Network monitoring, firewall management, and performance analysis
Microsoft 365, cloud management, and hybrid cloud support
Backup management, recovery planning, and resilience support

Perimetra keeps the work practical: identify the gap, explain the risk, fix what matters, and document the outcome.

Security-First Support for High-Trust Firms

For law firms, medical practices, and accounting organizations, IT issues are rarely just technical. They affect client service, sensitive records, staff productivity, cyber insurance pressure, and trust. Perimetra brings cyber and systems engineering into one managed service model so support, security, and strategy are handled together.

You get helpdesk support, endpoint protection, security monitoring, vendor coordination, lifecycle planning, and practical remediation guidance. If an internal IT team is already in place, co-managed support can add specialized expertise, escalation help, and project resources.

Every engagement is built around radical transparency, speed over bureaucracy, and proof that your technology is being actively managed.

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Get a clear picture of risk, uptime, support, and next steps.

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Frequently Asked Questions

What is included in large business IT services for professional firms?

You receive full life-cycle IT support tailored for law, medical, and accounting firms. This includes 24/7 monitoring, endpoint and infrastructure management, patching, system maintenance, cloud support, and network optimization. Security is built in with managed threat detection, email protection, and regular risk assessments. You also get vendor coordination, strategic IT guidance, and detailed reporting that keeps leadership informed without technical jargon.

What are the main benefits of large business IT services for my organization?

You gain operational stability, stronger security, and reliable support for complex environments. Key benefits include:

99.9% uptime SLA for minimal business disruption
Rapid response to P1 issues in under 2 hours
Transparent monthly reports showing real results
Comprehensive coverage across devices, cloud, and network
Measurable risk reduction and improved cyber insurance outcomes

How does the onboarding and deployment process work for new clients?

The onboarding process starts with a complimentary 20-minute assessment to review your current environment and identify gaps. After a custom quote, most deployments can be completed in less than 24 hours with minimal disruption. Agents and monitoring tools are deployed silently, dashboards are set up, and you receive a clear action plan. Ongoing support and monthly threat reports provide continuous visibility and improvement.

How much do large business IT services cost and how quickly can setup be completed?

Pricing starts at $8 per month for email-only coverage, $14 for endpoint-only, or $24 for a bundled solution. There is no minimum company size, and there is no limit on the maximum number of users supported. Most clients are fully deployed and protected within 48 hours, with some rollouts completed in less than 24 hours. You can start with a 30-day proof-of-value pilot if qualified.

What sets these large business IT services apart from other providers?

You benefit from radical transparency, speed over bureaucracy, and a security-first approach built for SMB reality. Results are proven with a 100% customer satisfaction rating, over 98% retention, and practical outcomes like ransomware stopped before staff are aware and insurance premiums reduced. Every client receives direct guidance, fast deployment, and proof in every report, without sales pressure or unnecessary complexity.