Choosing your marketing model
Fractional CMO vs agency vs in-house: how to choose
Choose by the gap you actually have.
The short answer
Choose by the gap you actually have. Strategy without hands to execute it points to a fractional CMO. Hands without a strategy to direct them points to an agency. An empty seat you want filled full time points to an in-house hire. And needing both the thinking and the doing, run as one system, points to a growth partner that supplies strategy and execution together.
This is not a binary, and anyone who tells you it is has something to sell. Most growing businesses need some blend, and the honest question is which gap is biggest right now. Read the pain, not the job title:
- You know roughly what to do but have no senior brain setting direction or owning the number. You have a strategy gap. Look at a fractional CMO.
- You have a clear plan and just need it built, shipped, and managed. You have an execution gap. Look at an agency.
- Marketing is now big enough to justify a full-time leader on payroll every day. You have a capacity gap. Hire in-house.
- You have both gaps, you are the only person holding the whole picture together, and you want one accountable team to own the engine end to end. You want a growth partner.
The four models, side by side
The four common ways to buy senior marketing, compared on what matters when you are choosing. Numbers are typical 2025 to 2026 US ranges; your quote will vary with scope.
| Fractional CMO | Marketing agency | In-house hire | Most popularGrowth partner (Indelible) | |
|---|---|---|---|---|
| What it is | A senior marketing leader on part-time or retainer terms, usually a few days a month | An outside team that produces and runs the work: ads, content, SEO, social, design | A full-time marketer or CMO on your payroll | One outside team that supplies senior strategy and the execution to deliver it, run as a single monthly system |
| What it owns | Strategy and direction. Sets the plan and often manages the vendors who execute it, but rarely does the hands-on production | Execution. Delivers the tactics they are scoped for. Strategy is usually limited to their own channel | Whatever one person's skillset covers, all day, inside your building | Both. The strategy and the hands, plus the site it all runs on, coordinated under one accountable team |
| Typical cost | ~$4,000 to $15,000/mo, or a day rate | Wide range. ~$1,000 to $3,000/mo (small/single-channel) up to $5,000 to $15,000+/mo (full-service) | A marketing hire runs a full salary plus benefits; a full-time CMO commonly exceeds $250,000/yr all-in | From $4,000/mo, at the entry of the fractional band. Scales with how much of the plan we execute for you |
| Accountability | High on strategy and results, but only as strong as the execution layer underneath them | On deliverables and channel metrics. Weaker on whole-business outcomes they do not control | Highest day-to-day ownership, but concentrated in one person and one skillset | On the whole engine and the outcomes, because we own the strategy and the execution together |
| Speed to start | Fast. Days to a couple of weeks | Moderate. A week or two to onboard | Slow. Weeks to months to recruit, hire, and ramp | Fast. The build-first on-ramp starts producing quickly |
| Best when | You have execution capacity (in-house or agency) but no one senior owning the strategy and the number | You already have a clear strategy and need capable hands to execute one or more channels well | Marketing is a permanent, full-time job and you can justify the salary and the management overhead | You have both a strategy gap and an execution gap, and you want one team to own the engine instead of stitching vendors together yourself |
A few honest notes so this stays fair, not a strawman:
- A fractional CMO is often the right call. If you have a capable in-house team or a trusted agency and the only thing missing is senior direction, a fractional CMO is a clean, cost-effective fix. The risk is that their strategy is only as good as the execution layer you already have in place.
- A good agency is good at its craft. If your plan is set and you need a channel run well, a specialist agency will usually out-execute a generalist. The gap shows up when no one owns how the channels add up to revenue.
- In-house wins on presence. Someone in the building every day, fully inside your context, is hard to beat once marketing is a full-time job. The cost, the ramp time, and the single-point-of-failure risk are the trade.
The both-at-once option
Here is the seam every one of those models leaves open. A fractional CMO thinks but does not do. An agency does but does not think past its own channel. An in-house hire does both, for one salary, in one skillset, if you can afford the seat and the wait. So most owners end up as the integrator themselves: hiring the strategist, hiring the agency, and being the only person who sees whether it all actually connects.
A growth partner closes that seam by supplying the strategy and the execution as one system. That is what Indelible is. We are not a fractional CMO, and we will not pretend to be one to catch the search. We are the model that gives you what most people are really reaching for when they type "fractional CMO": an outsourced senior marketing brain, on a monthly retainer, that also owns the hands to carry the plan out.
What that looks like in practice:
- One team owns the whole engine. Strategy, content, search visibility, social, and the website itself run from one research effort, under one team that is accountable for the outcome. You stop being the integrator.
- Priced honestly, at the entry of the band. Partnerships start at $4,000 per month, the low end of the fractional-CMO range, and scale with how much of the plan we execute for you. You are getting the ownership a senior leader brings and the execution an agency brings, in one line item, for what a fractional CMO alone often costs.
- You are never trapped. You keep your site and your code. It runs on open standards, so you can host it anywhere you like, whenever you like. SEO runs six months because that is how long it takes to work; everything else is month to month. People stay because the work earns it, not because a contract makes them.
If you want to see the thinking before you commit to anything, that is exactly what the report below is for.
See it before you decide
The fastest way to find out which model you actually need is to see a senior read of your own situation. Request a free Strategic Intelligence Report. We look at where your site stands against your market, what is working, what is not, and what we would do next, and we send it to you. No sales call required, and you keep it either way.
Frequently asked questions
What is a fractional CMO?
A fractional CMO is a senior marketing leader who works with your business part time, usually on a monthly retainer of a few days a month, instead of joining full time. They set strategy, direction, and priorities, and often manage the vendors or team who execute the work. You get executive-level marketing judgment without an executive-level salary. The trade is that a fractional CMO typically directs the work rather than doing the hands-on production, so their impact depends on the execution capacity you already have.
What does a fractional CMO cost?
A fractional CMO typically costs about $4,000 to $15,000 per month in the US in 2025 to 2026, depending on their seniority and how many days a month you book. That is a fraction of a full-time CMO, which commonly runs more than $250,000 per year all-in once you add benefits and overhead. For comparison, a growth partner like Indelible starts at $4,000 per month, at the entry of that fractional band, and includes the execution to carry the strategy out, not just the strategy itself.
Fractional CMO vs agency: what is the difference?
A fractional CMO owns strategy and direction; an agency owns execution. The fractional CMO decides what to do and why, sets priorities, and manages performance, but usually does not produce the day-to-day work. An agency produces and runs the tactics it is scoped for, such as ads, content, SEO, or social, but its strategy rarely extends past its own channel. The two are often used together: the fractional CMO sets the plan, the agency executes it. A growth partner collapses that into one team that owns both the plan and the execution.
Do I need a fractional CMO?
You need a fractional CMO if you have people or vendors who can execute but no one senior owning the marketing strategy and the results. If you also lack the hands to carry a plan out, a fractional CMO alone will not be enough, and you are better served by an agency underneath them or by a growth partner that supplies both. If marketing is a permanent full-time job you can staff and afford, an in-house hire may make more sense. The quickest way to tell which gap is biggest is a strategic read of where you stand now, which is what our free Strategic Intelligence Report gives you.
See which model you actually need.
Get a senior read of where your site stands against your market, and what we would do next. No sales call required, and you keep it either way.