There are four realistic ways to get marketing done without building a full in-house team: hire an agency, hire a freelancer, hire a fractional CMO, or run an AI marketing team (an automated department). The monthly prices span nearly a 7x range, but the bigger differences are in what you actually receive and who ends up doing the work. Here is the honest comparison, with current pricing.
The four options, priced
Marketing agency: $3,500–$5,000/mo
A traditional multi-channel agency retainer typically starts around $3,500 a month, and only about 2% of agencies charge more than $5,000 — so $3,500–$5,000 is the corridor most small businesses actually face. For that you get a team covering several channels (SEO, PPC, social, content), account management, and reporting. The trade-offs are well known: weeks of onboarding, day-to-day work often handled by junior staff, and scope that quietly narrows to whatever the agency is best at selling.
Freelancer: from a few hundred to $15,000/mo
A single independent freelancer is the most flexible option — a part-time generalist often lands around $2,000 a month — but vetted-talent platforms show what dependable freelance help really costs: MarketerHire's published tiers are $5,000, $10,000, and $15,000 per month depending on hours and seniority. Either way you get one specialist, not a department, and you are the one coordinating them into a coherent plan. Excellent for a specific gap (paid ads, email, SEO); a lot of management if you need everything.
Fractional CMO: $5,000–$20,000/mo
A part-time senior marketing leader typically runs $5,000 to $20,000 a month, with $10,000–$12,000 the common midpoint. This buys judgment: positioning, strategy, hiring plans, budget discipline. What it usually does not buy is production — a fractional CMO plans the work, and you still need hands (people or tools) to write, design, and ship it. Best when direction is your problem, not output.
AI marketing team: ~$2,900/mo flat
The newest option: software runs the roles of a department — content, SEO, social, email, revenue, analytics, creative — on a schedule, and a human approves everything before it goes out. A flat automated department runs about $2,900 a month, below a typical agency retainer and roughly a quarter of an average fractional CMO engagement. The trade-off is the mirror image of the fractional CMO: you get production breadth and consistency, and the strategic judgment is embedded in the system plus your own approvals rather than a senior human on retainer.
Side by side
| Option | Typical monthly | What you get | Who does the work |
|---|---|---|---|
| Agency | $3,500–$5,000 | Multi-channel execution | Agency team (often junior day-to-day) |
| Freelancer | $2,000–$15,000 | One specialist's channel | The freelancer; you coordinate |
| Fractional CMO | $5,000–$20,000 | Strategy & leadership | Mostly you and your team, guided |
| AI marketing team | ~$2,900 flat | All channels, produced & scheduled | AI produces; a human approves |
The costs that don't show up on the invoice
Whichever option you price, three costs hide outside the headline number. First, tools: a fractional CMO or freelancer still needs software to execute through — a social scheduler (Hootsuite $99–$249/mo), a marketing platform (HubSpot Marketing Hub around $890/mo, plus roughly $3,000 in onboarding), ad-creative tooling ($29–$599/mo). Those land on your card, not theirs. Second, coordination: freelancers and fractional leaders both assume someone on your side assigns, reviews, and connects the work — that someone is usually you. Third, ramp time: agencies commonly take weeks to onboard before anything ships, and a fractional CMO's first month is mostly discovery.
It's also common to combine options — a fractional CMO directing two freelancers is a classic setup, but at $5,000–$12,000 for the CMO plus $2,000–$5,000 per freelancer you're at agency-plus prices quickly. An automated department is designed to be the opposite kind of layer: the production floor runs flat at ~$2,900, and you can still add a strategist or a specialist freelancer on top when a specific push needs one.
How to choose
- You need direction, not hands: fractional CMO.
- You have one clear gap and someone to manage it: freelancer.
- You have $4k+/mo and want humans end to end: agency — interview for who does the daily work.
- You want the whole department running every week at the lowest done-for-you price: AI marketing team.
Whichever way you lean, check the numbers first: our pricing brief puts a flat $2,900/mo department against 22 real services, and the full worksheet lists every provider, price, and model. If you want to see what an automated department would produce for your business specifically, onboarding takes a few minutes and shows you a real plan before you pay anything.