Cosmo vs a marketing agency
A good agency brings people and experience, usually for thousands of dollars a month in retainer, with account managers and slower loops. Cosmo is faster and cheaper, and you stay in charge of every call.
Head to head
| Topic | Cosmo | An agency |
|---|---|---|
| Cost | $99 a month | Roughly $8,000–25,000 a month for specialised execution agencies, $30,000–60,000 for full-service; smaller local agencies can cost less (approx.) |
| How you work together | Text him any time; daily brief | Calls, decks, monthly reports |
| Speed of changes | Minutes after your 👍 | Days, depending on the team |
| Channels covered | Social, ads, cold email, SEO + GEO, launch, creatives | Depends on the agency |
| Who owns the work | You: content, lists and ad accounts stay yours | Depends on the contract |
Prices are approximate, last checked November 2026; check their site for current plans. Where we found nothing, we say so. If something here is wrong, email roy@cosmocmo.com and we'll fix it.
- · Chatterbuzz: fractional CMO cost 2026 (an agency in this market), checked November 4, 2026
Use an agency for work that needs humans on site: shoots, PR, events. For the daily work of posts, ads, emails and articles, Cosmo is faster, costs $99, and you keep every account.
What an agency does well
- Real people for creative shoots, PR and events.
- Experience from many clients in your category.
- You can hand marketing off almost completely.
Choose an agency if
- You want humans on big creative shoots, PR or events.
- You have budget and want to hand marketing off completely.
Choose Cosmo if
- You want results this week, with you making the calls.
- Your budget goes further on ads than on retainers.
Cosmo and an agency
How much does a marketing agency cost?
Chatterbuzz, an agency in this market, puts specialised execution agencies at $8,000–25,000 a month and full-service agencies at $30,000–60,000. Small local agencies can cost less. Quotes vary a lot by scope.
Can Cosmo work with my agency?
Yes. Some agencies use Cosmo for the repeatable work. See the page for agencies.
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