Managed IT vs. In-House IT: A Cost-Benefit Analysis for Growing Businesses

Deciding between managed IT services and an in-house IT team is one of the most consequential technology decisions a growing business makes. Both models work — the right choice depends on your size, complexity, and strategic priorities.

## The True Cost of In-House IT

Most businesses underestimate the fully loaded cost of internal IT staff. Beyond salary, factor in:

Total first-year cost: $125,000–$170,000 per engineer

For 24/7 coverage, you need at least 3 engineers. That is $375,000–$510,000 per year — before you even count infrastructure costs.

## What Managed IT Actually Costs

A managed IT provider typically charges between $80–$200 per user per month, depending on scope. For a 50-person business:

• **Basic remote monitoring and helpdesk:** $80–$100/user/month = $4,000–$5,000/month
• **Full managed services (helpdesk + security + backup + vCISO):** $150–$200/user/month = $7,500–$10,000/month

## Capabilities Comparison

| Capability | In-House IT | Managed IT | |-----------|-------------|------------| | Response time | Depends on staffing | SLA-guaranteed (typically 1-4 hour response) | | After-hours coverage | Overtime or on-call rotation | Included in contract | | Specialized expertise | One generalist | Team of specialists | | Scalability | Hire ahead of need | Scale up/down monthly | | Continuity | Single point of failure | Team-based, no key-person risk | | Security expertise | Rarely deep | Dedicated security team | | vCISO access | Not available | Often included | | Tool stack | Self-funded | Enterprise tools at shared cost |

## When In-House IT Makes Sense

• **50+ employees with complex on-premises infrastructure** — You need someone on-site every day
• **Specialized industry compliance** — Healthcare, finance, defense contractors with unique requirements that require deep domain knowledge
• **Proprietary or custom software** — When your business-critical applications need dedicated technical ownership
• **Security-sensitive environments** — When having zero external access is a regulatory requirement

## When Managed IT Makes Sense

• **Under 100 employees** — The economies of scale favor outsourcing
• **Limited capital budget** — Convert capital expense to predictable operating expense
• **Rapid growth** — Adding 10 employees should not require hiring another engineer
• **After-hours coverage needs** — Users across time zones, or 24/7 operations
• **Security is underfunded** — Access to a security team that would otherwise cost $200,000+/year
• **Current IT team is reactive** — MSPs bring proactive monitoring and maintenance

## The Hybrid Model

Many businesses land on a hybrid approach: one internal IT coordinator for day-to-day needs (password resets, new employee setup, vendor relationships) backed by a managed service provider for infrastructure, security, and advanced support.

## Questions to Evaluate Your Situation

Summit DNC offers co-managed IT services for businesses that want the best of both models — keeping internal staff for day-to-day operations while adding our team for deep technical support, 24/7 monitoring, and enterprise security.