When a company grows past a handful of employees, technology stops being "someone's side job". Laptops, accounts, security, software, integrations, data and uptime all need ownership. The big question: do you hire an in-house IT team, work with IT consultants and managed service providers, or combine both?
There is no universally right answer, but there is a right answer for your size, risk and growth plans. This guide shows how to compare the options honestly.
Key takeaways
- In-house IT offers control, context and fast on-site response but has high fixed costs and key-person risk.
- IT consulting offers specialist skills on demand and flexible cost but needs good management and clear contracts.
- Compare fully loaded cost, not salary versus invoice.
- Most growing companies do best with a hybrid: a small core owner plus external specialists.
What does an in-house IT team give you?
Advantages
- Deep business context: they know your people, processes and history.
- Immediate availability: desk-side support and faster handling of daily issues.
- Direct control: priorities are set by you, not by a provider's queue.
- Cultural alignment: they are part of the team and invested in long-term outcomes.
Disadvantages
- High fixed cost: salary, benefits, taxes, equipment, training, certifications and management time.
- Narrow expertise: one or two generalists cannot be experts in cloud, security, networking, data and development.
- Key-person risk: holidays, illness or resignation can leave you exposed.
- Recruitment burden: good IT talent is competitive and slow to hire.
- Capacity limits: sudden projects overwhelm a small team.
What does IT consulting (and outsourcing) give you?
Advantages
- Breadth of expertise: security specialists, cloud architects, developers and project managers available when needed.
- Flexible cost: pay per project or per month; scale up or down.
- Speed to start: experienced people begin within days, not months.
- Fresh perspective: consultants have seen similar problems across many companies.
- Coverage: a team means someone is always available.
Disadvantages
- Less context: they need time to learn how your business works.
- Dependency: poor documentation can make switching providers painful.
- Response times: depend on contract terms and priorities.
- Cost at scale: constant heavy usage can exceed the price of an employee.
- Access and data risk: you must control permissions and vet the provider.
The true cost comparison
Salary is not cost. Calculate the fully loaded annual cost of one in-house IT hire:
- Base salary.
- Employer taxes and benefits (commonly 20 to 35 percent on top, varying by country).
- Equipment, software licences and management tools.
- Training and certifications.
- Recruitment fees or time spent hiring.
- Management overhead.
- Cost of coverage during absences.
Then compare it with a quote for your real workload: managed service monthly fee for helpdesk and monitoring, plus project-based consulting for upgrades, security and migrations. Include the price of downtime in both models, because response speed has a cost.
| Scenario | Often the best fit |
|---|---|
| Under 25 staff, standard tools, limited customisation | Managed IT services plus occasional consulting |
| 25 to 100 staff, growing, cloud and security needs | Hybrid: one IT lead or generalist plus external specialists |
| 100+ staff, complex systems, daily change | In-house team with consulting for projects and niche skills |
| One-off transformation (migration, new platform, security uplift) | Consultants for the project, then hand over to the team |
| Product company where technology is the product | In-house engineering core, external help for peaks |
Decision checklist
- How much daily support do you really need? Track tickets for a month.
- How specialised are your needs? Security compliance and cloud architecture are rarely one person's skill.
- How predictable is the workload? Steady work suits employees; spiky work suits consultants.
- What is the cost of downtime? If an hour offline costs thousands, invest in redundancy and fast response.
- Do you have someone to manage IT people or vendors? Either option needs an accountable internal owner.
- How fast are you growing? Rapid growth favours flexible capacity.
Why the hybrid model usually wins
In a hybrid setup you keep a small internal core (an IT manager or generalist) who:
- Owns vendor relationships and the technology roadmap.
- Handles day-to-day requests that benefit from context.
- Maintains documentation and access control.
External specialists then provide cloud design, cybersecurity assessments, custom development, project delivery and after-hours monitoring. You get continuity and expertise without carrying the full fixed cost of a large department.
Making consulting work well
- Define outcomes, not hours: deliverables, deadlines and acceptance criteria.
- Insist on documentation: diagrams, passwords in a shared vault you control, runbooks.
- Own your accounts: domains, cloud tenants and licences stay under your company's name.
- Agree service levels: response and resolution times by severity.
- Review quarterly: metrics, incidents, roadmap and costs.
- Plan the exit: include handover terms in the contract.
Warning signs you need to change your model
- Your single IT person is a bottleneck or a single point of failure.
- Security tasks (patching, backups, access reviews) keep slipping.
- Projects stall because nobody has time or the right skills.
- Your outsourcing bill keeps climbing without visible improvement.
- Staff complain about slow responses or recurring issues.
A realistic cost model you can copy
Illustrative numbers help, so here is a framework with sample figures for a 35-person company. Replace every figure with your local salaries and quotes.
| Annual cost item | One in-house IT generalist | Managed service plus consulting |
|---|---|---|
| Salary | 40,000 USD | - |
| Employer taxes and benefits (about 25 percent) | 10,000 USD | - |
| Tools, licences, training, equipment | 5,000 USD | Included in the managed fee |
| Managed helpdesk and monitoring (35 users) | - | about 21,000 USD |
| Project work: security review, migration, upgrades | Often needs outside help: 8,000 USD | about 12,000 USD |
| Cover for holidays and illness | Usually unfunded, a risk | Included |
| Approximate total | 63,000 USD | 33,000 USD |
At this size the managed route is cheaper and covers more skills. Add a second and third hire, daily on-site needs and heavy custom systems, and the in-house team becomes more economical and more valuable for its context. The crossover point differs for every business, so run your own numbers.
What good IT governance looks like in either model
- An accountable owner: one person who is responsible for technology decisions, even when work is outsourced.
- An asset and software inventory that is accurate and up to date.
- Documented access: who has admin rights to what, with regular reviews.
- A security baseline: MFA, patching, backups, endpoint protection and monitoring.
- A technology roadmap that matches business plans for the next 12 to 24 months.
- Vendor management: contracts, renewal dates, service levels and exit terms in one place.
- Regular reporting: tickets, incidents, projects and spend reviewed monthly or quarterly.
Service level agreements: what to specify
| Severity | Example | Typical target (adjust to your needs) |
|---|---|---|
| Critical | Company-wide outage, suspected breach | Response within 30 to 60 minutes, work continues until resolved |
| High | Key team cannot work | Response within 2 hours, resolution the same business day |
| Normal | Individual issue with a workaround | Response within 4 to 8 hours, resolution within 2 days |
| Low | Request or question | Response within 1 business day |
Also agree what hours are covered, how incidents are communicated and what credits apply when targets are missed.
Handover and exit: protect yourself
- All domains, cloud accounts, licences and admin credentials are registered in your company's name.
- Passwords live in a vault you control, never only with the provider.
- The provider documents network diagrams, backup schedules and recovery steps.
- The contract states notice periods and a defined handover process.
- You can export your data and configuration without penalty.
When to move from consulting to a first hire
- Support tickets consume more than about 15 to 20 hours of external time per week consistently.
- Staff regularly wait for fixes because the provider is not on site.
- You have more than a few business-specific systems that need daily care.
- Security or compliance obligations require someone embedded who knows your business.
- The monthly outsourcing bill approaches the fully loaded cost of a skilled hire.
Even then, keep specialist partners for architecture, security testing and large projects. Your first hire should become the internal owner who directs them.
Talk to an advisor
Our IT consulting service starts with a technology review: current costs, risks and a practical roadmap that fits your size and growth plans. If cloud or security is your biggest gap, see our guides on cloud migration and small business cybersecurity, then book a free consultation.