build internally or hire an agency? An honest comparison

Comparison

The differences in detail

• The hidden costs of internal: It's not the salary that's the point, but the ramp-up time, the lack of backup, and the risk that the person leaves. With a single specialist, a lot depends on one person.
• The hidden costs of external: Coordination effort, response times, and the risk that knowledge about your own business sits outside. The latter can be mitigated by contractual documentation requirements.
• When internal is better: When the task is ongoing and substantial and requires deep knowledge about the business — such as continuous content or maintaining your own software.
• When external is better: For projects with a clear beginning and end, for specialized knowledge you rarely need, and whenever you don't yet know how much effort will actually arise.
• Knowledge building over time: Internally built knowledge stays in the business, even when a project ends. Agency knowledge moves on with the agency — unless contractual documentation requirements are made.
• Flexibility with workload fluctuations: An internal specialist costs money even in quiet phases; an agency can be scaled up and back down as needed. This is a tangible advantage of external contracting, especially with fluctuating project volume.

Conclusion

What this means for you

The decision between build internally and hire an agency cannot be made generally — it depends on your starting point, your volume, and who will operate the solution later.

For a single, clearly defined task with a foreseeable end, an agency is almost always the lower-risk choice. As soon as the task becomes a permanent part of daily operations, the advantage of an internal solution outweighs in the long run.

If you're unsure: describe your situation to us in a few sentences. We'll tell you which of the two directions is more sensible in your case — even when it's the one where we have less to do.