Advisory
Fractional CMO Services: Senior Marketing Leadership Without a Full-Time CMO Hire
You need a chief marketing officer's judgement about what marketing is for, what gets funded and what gets killed. What you cannot yet justify is a full-time CMO on the payroll. A fractional CMO is the arrangement in between: the same seniority, bought monthly, pointed at the two or three decisions that actually move the business.
What this actually is: one senior marketing consultant working with your company every month, supported by AI tooling rather than a bench of juniors. No account manager, no rotating team, no handoff after the pitch. You get the person you evaluated.
The one-line difference: whoever writes the strategy also does the AI-visibility work. Most fractional CMOs advise on how buyers now start in ChatGPT, Claude or Google AI Overviews. Here it sits inside the engagement.
Month to month after the initial term. No lock-in.
Because this is one person rather than a bench, the number of concurrent fractional engagements is deliberately capped. Ask about current availability and the next start date when you write.
What a fractional CMO actually does
A fractional CMO is a senior marketing leader who owns a company's marketing strategy on a part-time, ongoing basis instead of in a full-time salaried role. They decide what marketing is trying to achieve, which channels get funded, what gets published and to what standard, and how results are measured, typically across two to eight days a month.
- 1
Positioning and messaging
What the company claims, for whom, and against which alternative. Every page and campaign inherits that decision.
- 2
Channel and budget allocation
What gets funded and what gets killed, each with a stated reason so the call can be argued with.
- 3
The marketing plan and its sequencing
Most marketing fails on order of operations rather than on ideas. The plan says what happens first.
- 4
The quality bar on everything published
Someone senior is the last read before a page, a deck or a campaign goes live. That is a job.
- 5
Hiring, briefing and supervising whoever executes
A junior marketer or an agency produces good work against a clear brief and a clear standard, and not otherwise.
- 6
Measurement and reporting to the founder or board
The small number of measures that reflect the business, reported the same way every month.
- 7
How the company shows up in AI answers
The responsibility most fractional CMOs still leave out, and the one buyers increasingly meet before your website.
What a fractional CMO is not responsible for: being the daily operator of your ad account, your CRM hygiene or your social inbox. That is execution capacity, and it should be bought as execution capacity.
Signs you need one now
- You are spending real money on marketing and nobody senior is deciding where it goes.
- Your website gets traffic and converts almost none of it, and no one can tell you why.
- You have an agency and no reliable way to judge whether their work is any good.
- You have one or two junior marketers and nobody for them to learn from.
- Founder-led sales has stopped scaling, and the product now needs a market story of its own.
Two or more usually means the gap is leadership rather than capacity. The longer diagnostic version: signs you need a fractional CMO.
Fractional CMO services: what you get and what it costs
Six areas are owned outright for the length of the engagement. Everything else is directed or explicitly out of scope, and the scope document says which.
Marketing strategy and positioning
What the company is for, who it is for, and the words used to say it. Everything downstream inherits this.
The quarterly plan and channel choices
An order of operations rather than a list of tactics, with a stated reason for every funded channel.
Budget allocation and spend discipline
What gets funded, what gets killed, and what waits until something earlier in the sequence is fixed.
Management of whoever executes
Your marketer, your agency, your freelancers. They get briefs, priorities and a standard to hit.
Sales and marketing alignment
A shared definition of a qualified lead, a pipeline review both sides recognise, honest handover rules.
Reporting a founder or board reads
A short written account each month of what moved, what did not, and what changes next.
What it costs
Retained fractional CMO leadership starts at $3,000 per month, the Channel Growth level, and is scoped individually above that. These are engagement prices, not hourly rates: you are buying a defined scope and a decision-maker, not a timesheet.
If you do not need a retained leader, two fixed-scope alternatives are published instead: Visibility Starter at $600 for a website and social media strategy, and the SMB Growth Plan at $1,000 for a full SMB marketing strategy. Both are one-off deliverables rather than leadership. Enterprise scope is custom.
For how fractional pricing is normally structured across the market, see fractional CMO pricing.
Month to month after the initial term. No lock-in.
How to actually run the hire
Hiring a fractional CMO is a procurement process, not a personality contest, and it fails in predictable places. Each of these seven steps produces an artefact you create and keep, whether or not you work with me. Running it this way de-risks the decision far more than a longer interview loop does.
- 1
Write the problem in one sentence
Not we need more leads, but something closer to we have 400 trial signups a month and no idea which segment converts. The artefact is one sentence you and your co-founder both agree with.
- 2
Write a one-page mandate
Owned areas, decision rights, who reports to them, and an explicit list of what they are not responsible for. If it cannot fit on one page, the hire is not ready.
- 3
Decide days per month before you decide budget
Two days a month buys advisory input, four buys genuine leadership of a small function, six to eight buys leadership plus hands-on oversight. The artefact is a number chosen from the scope, not the budget.
- 4
Define three day-90 outcomes a third party could verify
Better brand awareness is not one. A published positioning document, a rebuilt pricing page and working tracking with a signed-off definition of a qualified lead are three.
- 5
Shortlist three, not ten
Ten candidates becomes comparison shopping on rate. Three leaves enough attention to evaluate judgement, which is the only thing you are buying.
- 6
Replace the interview with a paid two-hour working session
The highest-signal step in the process. Senior marketers all interview well; far fewer produce something useful in two hours on a real problem they met that morning. You keep the output either way.
- 7
Agree exit terms before signature
Thirty-day notice, month to month after an initial term, and a written answer to who owns the documents, accounts and domains when it ends. Agreeing this first makes the decision reversible.
Copy this mandate skeleton
- Owns: positioning, channel priorities, the quarterly plan, the quality bar on published work.
- Decides: what gets funded, what gets killed, what gets published.
- Does not own: daily ad operations, the social inbox, CRM administration, sales quota.
- Reports to: [founder or CEO].
- Directs: [in-house marketer, agency, freelancers].
- Day 90 is a success if: [three outcomes a third party could verify].
For the evaluation conversation itself, the question bank is here: questions to ask before hiring a fractional CMO.
How the engagement runs
Cadence. A kickoff that ends with the mandate and the diagnosis brief agreed in writing, one working document that stays current between sessions, and a monthly review of what moved and what changes next.
Communication. Async-first. You get written deliverables you keep rather than a standing call you attend to find out what happened. Calls happen when a decision needs discussion.
Who executes. Strategy, visibility work and content work are done personally, not delegated to a junior. When design, development or paid-media specialists are genuinely needed they are contracted transparently and you are told who is doing what.
What you own. Every document, keyword map, template, prompt set and plan produced during the engagement is yours, in your own accounts, from the day it is written.
Continuity, honestly stated. This is one person. That means senior attention on every deliverable, and it also means holidays and illness exist. What makes it workable is a stated response time, handover documentation kept current in the working document, and every asset living in your own accounts. There is no 24/7 coverage and none is claimed.
How it ends. Month to month after the initial term, thirty-day notice, no lock-in, and a defined exit: a final written handover and confirmation that every account and domain sits with you. The wider working method is on how we work.
What the first 90 days look like
The same sequence every time, because the order is what makes it work. Each phase ends with something written you keep.
Days 1 to 30
Diagnose
- Positioning and messaging audit against what buyers actually ask
- Analytics and conversion review, including what is not measured
- AI crawler access check: can assistants reach and render your pages
- Keyword and prompt map for search and for AI answers
- Competitor citation baseline: who gets quoted today, and for what
Output: A written diagnosis and a ranked list of what is broken, in the order it should be fixed.
Days 31 to 60
Decide and fix
- Messaging rewritten and agreed, starting with the pages that carry the offer
- Page and offer priorities set, with the low-value work explicitly dropped
- Content and channel plan for the next two quarters
- Tracking fixed so the next 60 days produce readable numbers
Output: The plan, plus the first rebuilt pages actually shipped rather than specified.
Days 61 to 90
Ship and measure
- Publishing cadence running at a rate you can sustain after the engagement
- Internal linking and page structure built out across the priority cluster
- First visibility and conversion readings taken against the day-1 baseline
- Plan adjusted where the readings disagree with the diagnosis
Output: A 90-day review and the next quarter's plan, both written and both yours to keep.
What will not have happened by day 90, stated plainly: organic search and AI-citation gains usually take one to two quarters, because indexing and citation are slow processes nobody controls. By day 90 the messaging, the offer, the priority pages, the tracking and the publishing cadence are fixed and running. The compounding comes after that. A month-by-month account of the same sequence is in the first 90 days of a fractional CMO engagement.
The differentiator
The part most fractional CMOs cannot do: AI search visibility
A growing share of B2B buyers now open ChatGPT, Claude, Perplexity or Google AI Overviews before they open a results page. That changes the question a marketing leader has to answer. It is no longer only do we rank, but: when an assistant answers the question our buyer just asked, are we the source it quotes?
Most companies have never checked whether assistants can even reach their pages. In my own 2026 study of 1,000 websites, 12.2% blocked at least one major AI crawler in robots.txt and 11.2% blocked GPTBot specifically, mostly without anyone having decided to. Data and method are published in full in the AI Crawler Study 2026.
Crawler access and rendering checks, so assistants can read the pages that matter
Page structure and schema work, so an answer lifts cleanly without distortion
Prompt and question mapping, not keyword-only thinking
An evidence layer worth citing: original data, clear definitions, dated claims
Tracking which prompts surface the brand, and which competitor gets quoted instead
The same work applied to classic search, which shares the foundation
The limit, stated before you ask: nobody controls what a model outputs. Inclusion cannot be guaranteed, by me or by anyone else selling this. It can be measured, improved and tracked over time, and that is what is promised. The standalone version of this work is the AI visibility advisory. Inside a fractional engagement it is included rather than sold as an upsell.
Check whether AI crawlers can read your siteFractional CMO vs agency, vs a full-time hire, vs a marketplace
Four different things are sold under overlapping words. The honest distinction is not quality but what you are buying, and what happens if it does not work.
| Option | What you actually buy | Typical monthly cost | Who owns the strategy | Ramp time | Risk if it does not work |
|---|---|---|---|---|---|
| Full-time CMO | One senior leader, full time, plus benefits and usually equity | Salary band, plus recruitment and onboarding cost | They do, entirely | Three to six months to hire, then a ramp | Severance, a restart, and two quarters lost |
| Marketing agency | Execution capacity across a team, against a scope of deliverables | Monthly retainer, varies widely by scope | Usually you, or nobody | Fast to start, slower to become useful | Output continues, results do not; contract term applies |
| Fractional CMO agency or marketplace | A placement from a bench, matched to your brief | Placement or platform fee plus the operator's retainer | The assigned operator, who can change | Weeks, subject to matching | Rematching, and a second ramp with a new person |
| This engagement | One senior operator who sets strategy and does the visibility work | From $3,000 per month, scoped individually above that | The person you evaluated, throughout | Days, once the mandate is written | Thirty-day notice; you keep every document and account |
The argument against agencies and fractional marketplaces is not that they are bad. It is that both sell a bench, and you rarely know in advance which person on it you get, or for how long. Here you know exactly who you get. That is the benefit and also the limit: one person has a capacity ceiling, which is why the disqualifiers below are worth reading first.
Who this is not for
Five situations where a retained fractional CMO is the wrong purchase. Saying so in a scoping call costs less than saying so in month two.
You want someone running daily paid media or the social inbox
That is execution capacity, not leadership. Hire a specialist or an agency and have them directed properly.
You want a name on a pitch deck without a working relationship
Advisory titles for fundraising decks are a different product. This is not it.
Your product has no repeatable buyer yet
If the real problem is product-market fit, marketing leadership only makes the wrong thing louder.
You need a full-time leader on site with direct reports
Hire full time. A fractional engagement can write the specification and help assess candidates, then step back.
You want guaranteed rankings, citations or pipeline by a fixed date
Nobody controls a search algorithm or a model's output. Anyone guaranteeing that is selling something else.
Who you are actually working with
Mustard Seed Solutions is one senior marketing consultant, not an agency with a founder's name on the door. My background is B2B technology, SaaS and IT services marketing: positioning technical products for non-technical buyers, building the search and content foundations underneath them, and running partner and channel programmes for vendors that sell through others.
There is also a cross-border angle, and it matters if it applies to you: I work both directions of the China and Europe corridor, helping Western IT vendors enter China and Chinese technology companies expand into Europe. If your growth plan involves a market where your current messaging does not translate, that is a specific competence rather than a claim.
Some of the work is written up in detail, without invented metrics: how this worked for a data-protection software vendor, for a B2B infrastructure company, and for a legal technology platform.
In practice this means the senior person is never abstracted away from the work, and that capacity is finite and honestly capped. More background is on the about page.
Concurrent fractional engagements are capped on purpose. Ask about current availability and the next start date in your first message.
The fractional CMO library
Everything on this site about fractional marketing leadership, arranged by the decision you are making.
Compare your options
Before you hire
AI inside the marketing function
Common questions
What does a fractional CMO do?
A fractional CMO owns marketing strategy, positioning, channel and budget priorities, and the quality bar on what gets published, on a part-time monthly basis instead of a full-time salaried role. In this engagement the person who sets the strategy also does the hands-on visibility and content work, so the thinking is never handed to someone more junior.
How much does a fractional CMO cost?
Fractional CMO engagements are commonly quoted in four to five figures per month and priced by scope rather than by the hour. Here, retained leadership starts at $3,000 per month at the Channel Growth level and is scoped individually above that. Two fixed-scope alternatives exist for companies that do not need a retained leader: $600 for a website and social media strategy, $1,000 for an SMB marketing strategy.
How many days a month should I hire a fractional CMO for?
Two days a month buys advisory input, four buys genuine leadership of a small marketing function, and six to eight buys leadership plus hands-on oversight of execution. Decide the days from the scope you wrote down: an underfunded scope means the CMO spends every session catching up instead of leading.
When should a company hire a fractional CMO?
The usual trigger is that marketing spend and marketing decisions have both outgrown the founder's attention, while the company still cannot justify a full-time CMO. If what you need is people to execute rather than someone to decide what gets executed, hire a marketer or an agency instead.
What is the difference between a fractional CMO and a marketing agency?
An agency sells execution capacity across a team and generally assumes a strategy already exists. A fractional CMO supplies the strategy, the priorities and the standard of work, and can direct your team or agency. If people are already producing marketing but nobody senior decides what is worth producing, the gap is leadership, not capacity.
Who actually does the work, and is there a team behind this?
Mustard Seed Solutions is one senior marketing consultant working with AI tooling rather than a bench of employees. Research, first drafts, variants, list building, monitoring and reporting are AI-assisted. Positioning, pricing, claims and channel decisions are not. When a specialist is genuinely needed for design, development or paid media, that work is contracted openly and you are told who is doing it.
How long does it take to see results from a fractional CMO?
Positioning, messaging, offer and website changes usually land within the first 30 to 60 days, because they are decisions plus rewriting. Organic search and AI-assistant visibility typically take one to two quarters, because indexing and citation are slow. Anyone promising pipeline in week two is selling something else.
Can a fractional CMO help us get cited by ChatGPT and other AI assistants?
Yes, and it is the part of this engagement most fractional CMOs do not offer: checking that AI crawlers can reach and read your pages, structuring content so answers can be quoted cleanly, building the evidence a model will cite, and tracking which prompts surface your brand. No vendor controls a model's output, so inclusion cannot be guaranteed. It can be measured and steadily improved.
What happens when we are ready for a full-time CMO?
A good fractional engagement makes itself replaceable. The mandate, the plan, the reporting and the hiring profile should all be documented and transferable, and building the job specification and helping assess candidates is a reasonable part of the scope.
Start with a scoping call, not a proposal
Send a short note about the business and what marketing looks like today. You get a written reply on whether this is a fit, what the first 90 days would cover and what it would cost. If it is not a fit, you are told so directly.
Month to month after the initial term. No lock-in.