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Agency vs In-House Marketing Team
Speed to ship
An agency can have campaigns running, creative produced, and ads optimizing inside 14 days of contract signature. An in-house team — even a fully staffed one — needs 30-60 days of onboarding before they're at full output, and 90+ days if you're hiring from scratch. If you need to be in market this quarter, agency wins on speed.
Breadth of expertise
A single agency engagement typically gives you 4-8 specialized humans (paid media buyer, designer, copywriter, account manager, analyst, developer) for the cost of one mid-level marketing hire. Building that same skill mix in-house requires hiring at the senior generalist level — and senior generalists who are great at all of paid + social + web are rare.
Depth of business context
An in-house team will always understand your business more deeply than an agency will — they sit in the meetings, hear the customer complaints, see the data you don't share with vendors. For complex B2B sales cycles or category-defining brand work, that depth matters more than speed.
Cost economics
A typical full-service marketing retainer runs $5,000-$15,000/month. A single senior marketing hire is $120k-$180k all-in (salary + benefits + tools + equity dilution). For most businesses under $5M in revenue, the agency math is dramatically better because you're sharing fixed costs (tools, training, management) across multiple clients.
Where you should switch
Most businesses we work with cross the in-house break-even around $5-10M in revenue, and around the point where they need 2+ marketers anyway. Below that line, an agency is cheaper, faster, and gives you more skill diversity. Above it, an in-house head of marketing supported by 1-2 specialist agency engagements (one for paid, one for design) is usually optimal.
Our take
Hire an agency below $5M revenue or when you need to be in-market in under 60 days. Hire in-house above $10M revenue or when the strategic work requires deep insider context. Hybrid is the right answer for most mid-market businesses — an in-house lead plus 1-2 specialized agency partnerships.
Other comparisons
Other decisions worth getting right.
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