A fractional CMO buys you senior judgment: someone who decides what to do and answers for whether it works, usually at $3,000–$15,000 a month for part-time hours (MarketerHire, Chief Outsiders, Kalungi). An agency buys you production capacity: people who make and run the work. Small businesses that outsource report spending up to $3,000 a month on it (vcita, 2025).
Here at CPC, we aren’t afraid of a hot take, so here’s ours: most owners are short on judgment and shopping for hands. If nobody in the building can say what marketing should accomplish this quarter, you’re missing judgment. If you know exactly what works and can’t make enough of it, you’re missing hands. Figure out which one is true for you, and the hire mostly picks itself.
Full disclosure before we go any further. Until recently, our own site called us a marketing agency. We dropped the label because it only described about half of what we do, and today we sell a version of both things this article compares. So read it with that in mind.
So what are you actually buying?
A fractional CMO is a part-time marketing executive. They set the positioning, pick the channels, decide the budget, and direct whoever does the work. Data-Mania’s go-to-market decision framework draws the line well: the CMO owns outcomes like revenue and the plan, while an agency owns deliverables and channel metrics.
An agency is a production team. Designers. Writers. Ad specialists. Developers. You hand them a brief and they ship. Good ones ship fast, and they’ve seen your exact problem across dozens of accounts. Don’t get us wrong, that’s worth more than most owners give it credit for.
You can see the difference in the monthly report. A CMO’s report should answer “did the number move, and what are we changing?” An agency’s report usually answers “what did we make, and how did it perform on the platform?” Both can be honest. They’re just answering different questions.
How do they compare side by side?
| Fractional CMO | Marketing agency | |
|---|---|---|
| Monthly cost | The range above, for part-time senior time. Advisory-only tiers sit at the low end. | Often less than a CMO retainer for small businesses that outsource. Bigger programs cost more, and most agencies don’t publish rates. |
| Who does the work | The CMO plans and directs. Someone else executes, usually your staff or an agency. | The agency’s team makes it and runs it. |
| What they answer for | Whether the business number moves, like booked work or revenue. | Deliverables shipped and channel metrics hit. |
| Their attention | Part-time, a set number of hours a week on your business. | Shared across the agency’s client list. Ask how many accounts your lead person carries. |
| When it breaks | Nobody executes. The plan sits in a shared folder. | Nobody sets direction. The work ships, the reports look busy, and sales don’t change. |
Read that bottom row twice. Each option fails in a predictable way... and the failure is always the absence of the other one.
The agency version is common enough to measure. In that same vcita survey, 40% of owners who outsource had dropped or switched agencies, most of them over lack of ROI. SaaStr puts the startup version bluntly: hiring a stack of agencies in place of a marketing leader is the one move it says never works. And that’s rarely the agency’s fault. It was asked to be the strategist and paid to be the production team.
If price is the deciding factor for you, our fractional CMO cost breakdown goes through the ranges in more detail, including the full-time comparison.
When does an agency win?
More often than fractional CMOs like to admit. Here are 4 cases where we’d tell you to hire the agency and skip the CMO.
You already have the judgment. Maybe you spent 10 years in marketing before you bought the business, or your operations lead is quietly great at it. Paying a second strategist to agree with the first one is waste. Buy hands.
You’ve proven a channel and need more of it. Say an HVAC company in Carmel books a profitable job from nearly every Google Ads lead and wants twice the volume. A specialist paid-search agency running 60 similar accounts has pattern data a generalist won’t match. Specialists beat generalists at depth. That’s just true, in our book.
You need production at scale. Weekly video. 40 pieces of content a month. Agencies are built for throughput, and the good ones are very efficient at it.
The project has a fixed scope and a date. A rebrand before a second location opens, or a product launch in March. A project agency with a fixed bid is cleaner than any retainer, ours included.
That third case is where our own model hits its limit, so we’ll say it plainly. We take 8 clients at a time, with a small team. If you need 40 new ad variations a week or a 2-day video shoot, we’re the wrong shop. We’d rather tell you here than after a discovery call.
Can one team hold the plan and the hands?
That’s the bet we built Carson Poore Consulting on. The people who write your plan also build the automation and run the ad account. 4 practices, one team: marketing, technical, strategy, and coaching. The fractional CMO work lives in our coaching & growth practice. The hands-on campaigns and email live in marketing.
Why bother combining them? Because most of what goes wrong between a strategist and an agency happens in the handoff. The plan says “give repeat customers a reason to come back in the slow months.” Somewhere between two companies and three meetings, that becomes a promo graphic. When the same people plan and build, the translation step mostly disappears. So does the meeting where two vendors explain why the other one is the problem.
Don’t get us wrong, the model has costs too. You get fewer specialists than a large agency would put on your account. What you get instead is a team that knows your business well, because it only knows 8.
Our prices are public, on the pricing page. Retainers are $1,200, $2,400, or $4,800 a month. Many clients start with the $3,000 strategy engagement, a one-time plan you could run without us. If you move to a retainer afterward, half that fee ($1,500) is credited toward it. Three months minimum, then month to month. Nonprofits get a reduced rate. If you leave, you keep your site, your Google Business Profile, your ad accounts, and your data.
Which should you hire first?
Here’s our take, stated plainly. If you can’t say in one sentence who your best customer is and why they pick you, hire judgment first. Any agency you hire before that point will spend your money finding out. In our 5-step method, that’s step two, Your people, and it comes before anything gets produced.
Two quick tests. A salon owner in Greenwood who can’t tell whether Instagram or referrals fill the chairs has a judgment problem. A roofer in Fishers who books every lead Google sends and wants more of them has a hands problem. Same budget. Different hire.
Revenue matters too. upGrowth’s hiring guides put the usual fractional CMO trigger somewhere between $500K and $2M a year. Below that, a one-time plan you carry out yourself often beats any monthly retainer.
And if you’re a founder still looking for product-market fit, honestly, we’d hold off on both retainers. Entrepreneur and techUK both flag a performance agency hired before product-market fit as one of the costliest early mistakes, and a fractional CMO can’t fix an offer nobody wants yet. Our founders page has the homework we’d give you instead.
What should you ask either one before signing?
If you do one thing this week, take these 4 questions into your next sales call. They sort good providers from expensive ones, whichever kind you’re talking to.
- Who, by name, does the work each week? The person on the sales call and the person in your account are often different people. Fine, as long as you meet the second one.
- What number does your monthly report lead with? Calls, booked jobs, donations, or revenue are good answers. Impressions are a warning.
- What do I own if we part ways? The classic failure is the hostage website: you cancel, the agency shuts off the hosting and the Google Business Profile number, and the phones go dead. Get ownership in writing.
- What would make you tell me not to hire you? A provider with no answer to this one hasn’t thought about fit. Ours is on this page.
What else do people ask?
Can a fractional CMO work alongside my current agency?
Yes, and it’s a common setup. The CMO sets direction and reviews the work; the agency keeps producing it. It works when the agency is willing to take a brief from the CMO and report against your business numbers. If they won’t, you’re paying two firms to disagree.
Is a fractional CMO cheaper than a marketing agency?
Often not, month to month. Published fractional retainers and what small businesses typically spend on an agency overlap more than you’d expect. The better buy is whichever one supplies what you’re missing.
Can a fractional CMO replace a marketing agency?
Only if someone else does the production. A part-time CMO covers the plan and the decisions. It doesn’t cover writing the emails or building the ads. Before you cancel an agency, know who will make the work.
Should a startup hire a fractional CMO or an agency first?
Before product-market fit, neither on retainer. Write down who the product is for and test one channel yourself. Once revenue is solidly into six figures, senior judgment usually pays off before extra production does.
What happens to my website and ad accounts if I leave?
That depends on the contract, so get the answer in writing before you sign. The accounts should be registered to your business, with the agency or CMO added as a user. With us, you keep everything: the site, the Google Business Profile, the ad accounts, and the data.