What Does a Fractional CMO Do? The Monthly Work, Step by Step

Trent Warner
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A fractional CMO is a part-time chief marketing officer who owns your marketing strategy and its results. In practice that means a written plan in the first month, budget decisions every month, direction for your team and vendors, and a report on what the spend produced. You get senior marketing leadership on a monthly retainer instead of a full-time executive salary.

Most explanations stop at a list of responsibilities. That list doesn't help a founder decide anything. What helps is knowing what lands on your desk each month, so you can tell whether the person you hired is doing the job. Here's that work, step by step, with the deliverable at each one.

What is a fractional CMO, in plain terms?

A chief marketing officer is the executive who owns marketing for the company: the plan, the budget, the team and the result. "Fractional" means they do that job for part of the week, and the fractional CMO role is built around results, not hours in a seat.

What are the benefits of a fractional CMO?

They have to earn their keep every month. My engagements start with a 3-month initial commitment, then go month-to-month. There's no long-term lock-in after that, so if the plan isn't working, you can stop. That keeps the focus on results, every month.

There's no ramp-up building systems from scratch. A good fractional CMO comes in with their own systems, playbooks and growth tools for audits, planning and reporting. Month one goes into your business, not into inventing a process.

One person owns the result. A marketing consultant advises. An agency executes in its channels. A freelancer finishes tasks. A fractional CMO answers for the number, and sits close enough to the leadership team to make the calls that move it.

Your existing team and vendors keep doing the work. The fractional CMO directs them under one plan, so you don't have to hire a new team first.

You get senior leadership without a full-time executive hire. You get the strategy and the budget calls now, while you work out whether the job needs someone every day.

Who is a fractional CMO for?

The fractional CMO model fits growing companies that are funded or revenue-backed and ready for growth and have no CMO in the seat. The best fit is a founder who is still running marketing on top of everything else.

It also fits a company with a VP or Director of Marketing and no CMO above them. In that setup the fractional CMO owns strategy and the in-house leader runs the team day to day.

What does a fractional CMO do in the first month?

The first month is diagnosis and a plan. Nothing in your marketing efforts gets scaled until both exist.

Step 1: Audit the spend. I look at every line of the marketing budget and ask what it produced. Agency fees, ad spend, tools, freelancers, events.

  • Deliverable: a one-page spend map showing each line, its cost and what it brought in.

Step 2: Talk to sales and customers. Where did your last customers actually come from? Sales usually knows, and the dashboards often disagree.

  • Deliverable: a short list of where real customers came from, in sales' own words.

Step 3: Set the goal and the measures. A goal tied to business goals, not activity. Then two or three key performance indicators, meaning the few numbers you check every week to know if the plan is working.

  • Deliverable: a written goal and a short KPI list with a baseline for each.

Step 4: Write the marketing plan. The few bets worth funding, who owns each one, what each one costs and how it will be measured.

  • Deliverable: a marketing plan everyone can read in ten minutes.

What does a fractional CMO do every month after that?

The monthly rhythm is decide, direct, measure and adjust.

Step 5: Make the budget calls. Move money toward what's working and away from what isn't. This is the part founders most often can't do alone, because every vendor has a good story.

  • Deliverable: a monthly budget decision memo: what changed, and why.

Step 6: Direct the team and vendors. Agencies, freelancers and in-house people get one plan to execute instead of inventing their own. Team management here means clear owners and deadlines, not more meetings.

  • Deliverable: a monthly brief for each vendor and team member, tied to the plan.

Step 7: Run paid media and content as one system. Paid media, content, email and sales follow-up should point at the same buyer with the same message.

  • Deliverable: one shared calendar and message guide that every channel works from.

Step 8: Report on results. A report a founder can read in five minutes: spend, results against the goal, what sales heard from buyers, and what's next.

  • Deliverable: a monthly one-page report to you and the leadership team.

Step 9: Develop the people. Good fractional CMOs use their marketing experience to make your team better, including junior team members, so the work holds when the engagement ends.

  • Deliverable: a clear role and next goal for each person on the marketing team.

What does that look like in a real month?

Illustration only (hypothetical). A made-up founder, not a client.

A founder of a B2B software company spends $30,000 a month on marketing:

  • Agency: $6,000 a month to manage paid search.
  • Ad spend: $18,000 a month on paid search.
  • Freelancer: $6,000 a month for content and email.
  • Goal: 15 new customers a quarter. She has been getting about 3 a month.

Month 1, the fractional CMO audits the spend and talks to sales. Most customers came from paid search on two product terms and from webinar follow-up. The content calendar has no link to either. Deliverables: the spend map and a written plan.

Month 2, the plan moves $4,000 of ad spend toward those two terms and points the freelancer at webinar follow-up emails instead of general posts. Total spend stays at $30,000. Deliverables: a budget memo and new briefs for the agency and the freelancer.

Month 3, the first one-page report goes to the founder. It shows what each dollar produced against the 15-customer goal, and what changes next quarter. The founder spends one hour a month on marketing decisions instead of every afternoon.

The point isn't a magic number. It's that each month ends with a decision someone owns.

What should you have in hand at day 30, 60 and 90?

The monthly steps above are the work. These are the checkpoints a founder can hold a fractional CMO to. If you can't point to each one on the day it's due, ask why.

By day 30: a plan you could hand to a new hire

  • The spend map, the goal and the KPI list, all written down.
  • One page on who you sell to and what you say to them, so the brand message is the same in every channel.
  • A decision on what to stop funding. Most first months find at least one line to cut or fix.

By day 60: the first budget moves, and a reason for each

  • A budget memo showing what moved and why.
  • Every vendor working from the same brief and the same scorecard.
  • Sales and marketing agreeing on which leads count, written down so nobody argues about it later. This is the start of the sales and marketing flywheel: sales tells marketing which leads turned into conversations worth having, and marketing turns what sales hears into better campaigns.

By day 90: a results report and the next quarter's plan

  • A one-page report: spend, results against the goal, what worked and what didn't.
  • The next quarter's plan, with what changes and what stays.
  • A clear call on what the role needs next: keep the fractional CMO, change the scope, or start writing a full-time job description.

What do you need to give a fractional CMO on day one?

The first month moves as fast as the access you give. Have these ready:

  • Accounts: ad platforms, analytics, CRM and email, with view access at least.
  • Invoices: the last three months of marketing spend, every vendor and tool.
  • People: an hour with whoever runs sales, and an intro to each vendor.
  • Your goal: the revenue or customer number you need this year, even if it's rough.

A fractional CMO who can't see the data is guessing. Getting this ready usually takes a founder one afternoon, and it saves weeks.

How fast does a fractional CMO's work show up?

Faster than most founders expect, when the budget already exists and the people are capable.

Here's a case from my own work. A $40M education and advisory company running on a SaaS platform was already spending $200K/month on ads. The plan, the budget calls and the sales follow-up were brought under one owner, and the campaign brought in $1.4M in closed revenue in 60 days. That was 36 sales against 18 expected, with 15% more SQL flow and CAC down from over $14K to under $10K.

Sixty days is two monthly cycles of the steps above. The work didn't need a new team or a bigger budget. It needed someone running the rhythm every month.

What's included in fractional CMO services, and what isn't?

Usually included

  • Marketing strategy and the written plan.
  • Budget decisions and vendor direction.
  • Leading marketing teams, in-house and outside.
  • Monthly reporting to the founder and leadership team.

Usually not included

  • Doing all the execution personally. Your team, agencies and freelancers do the hands-on work.
  • Running retail distribution, store placement or buyer relationships.

If someone calling themselves a fractional CMO is mostly writing ads, you've hired a skilled executor, not a marketing executive.

How do fractional CMO contracts and costs work?

Most fractional CMO companies and independents work on monthly retainers. My retainers start at $5K/month, with a 3-month initial commitment, then month-to-month.

That commitment matters. Month one is diagnosis and the plan. Months two and three are where the budget calls start to show. If the commitment is shorter than that, you're paying for a plan nobody gets to run.

How is a fractional CMO different from a full-time CMO?

Both own the plan and the result. A full-time CMO does it every day with an in-house team and carries a full executive package. A fractional CMO does it part of the week across your team and vendors.

I compare the two in detail, including when full-time is the right call, in fractional CMO vs full-time CMO.

How do you know if you need one?

Ask yourself three questions.

  1. Is real money going into marketing without one senior person deciding where it goes?
  2. Are you, the founder, still approving every campaign?
  3. Could you write down this quarter's marketing goal and who owns it right now?

If the answers are yes, yes and no, that's the job. See how I run it on the fractional CMO page, or Book a 15-Min Call and I'll tell you whether fractional fits.

What do founders ask about fractional CMOs?

Is a CMO higher than a VP?

Yes. A CMO is the top marketing executive and usually sits on the leadership team. A VP of Marketing often reports to the CMO or, when there's no CMO, to the CEO.

What is a fractional marketer?

It's a broad term for any part-time marketing role, from a specialist to a senior leader. A fractional CMO is the senior version: the person who owns the strategy and the result.

How much does a fractional CMO cost?

Most work on monthly retainers. My retainers start at $5K/month, with a 3-month initial commitment, then month-to-month.

What does a fractional CMO deliver in the first 90 days?

A spend map and written plan in month one, budget decisions and vendor briefs in month two, and a one-page results report by month three.

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Trent Warner