Fractional CMO vs marketing agency for a 30 person B2B company

For a 30 person B2B company, a fractional CMO sets your marketing strategy, owns the pipeline target and manages the people who do the work. A marketing agency produces campaigns, content and ads. If you can only pick one, hire the CMO first, because an agency without a strategy tends to produce activity instead of leads.

That answer holds for most companies at this size, but it is not universal. The right choice depends on what is broken, how much marketing work you have, and who inside the company can direct it. This guide walks through the differences, the costs and a simple way to decide.

What each one actually does

A fractional CMO is a senior marketing executive who works part time for your company, usually 5 to 15 hours a week, as an independent contractor. They decide who you are selling to, what you say, which channels deserve budget, and how you will measure results. They hire and direct freelancers or agencies to execute. They sit in leadership meetings and answer to the CEO.

An agency is a firm with a team of specialists, such as designers, writers, paid media buyers and SEO analysts. You hire it for output: a set of campaigns, a content calendar, a website rebuild, or ongoing ad management. Good agencies also give strategic advice, but their business model rewards delivering more work, not telling you to do less.

Neither is better in general. They answer different questions. The CMO answers what should we do and why. The agency answers can you build and run it. Many companies get stuck because they buy an answer to the second question before they have answered the first.

Where a 30 person B2B company usually is

At around 30 people, a B2B company typically has a founder-led sales motion that is starting to need repeatable support. There may be a junior marketer or a generalist, a website that was built a few years ago, and some content and events. Pipeline comes from referrals, outbound sales and a handful of channels that nobody has measured carefully.

The common problems are predictable. Messaging is vague, so every channel says something slightly different. Nobody owns the connection between marketing spend and revenue. Sales complains about lead quality and marketing complains about follow-up. Budget gets spent on whatever was proposed most recently.

These are leadership problems, not production problems. Adding more output to an unclear plan does not fix them. That is why the senior seat usually comes first.

Cost comparison

Senior US rates for a fractional CMO run $175 to $300 an hour. Monthly cost is hourly rate times hours per week times 4.33. At 8 hours a week, the range is about $6,062 to $10,392 a month. At $220 an hour, 8 hours a week costs $7,621.

Agency pricing varies widely by firm, scope and city, so any single number would be a guess. What matters is the structure. Most agencies charge a monthly retainer for a defined scope, sometimes plus a percentage of ad spend or a set-up fee. You are paying for a team, an office or remote operation, account management and the agency margin, in addition to the work itself.

A fractional CMO is paid for senior judgment and is paid by the hour you use. The execution cost sits in a separate line: a freelance writer, a paid media specialist, a designer. That makes the total easier to adjust month to month, but it also means you must manage more pieces, or let the CMO manage them.

Side by side

When a fractional CMO is the better choice

Choose the CMO first when most of these are true.

• You cannot describe your ideal customer and your main message in two sentences that sales also agrees with.
• Nobody can say which channel produced last quarter pipeline.
• You already spend money on tools, ads or freelancers, but the spend feels scattered.
• The founder is still the head of marketing in practice.
• You plan to hire a full-time marketer and want to define the job before you do.

A CMO also improves how you use an agency later. They write the brief, set the targets and review the results, so the agency works against your goals, not its own.

When an agency is the better choice

An agency makes sense when the plan is clear and the gap is capacity. If you know you need a new website, a content engine of four articles a month, and a paid search program, and you have someone in-house who can approve work and track results, an agency can move faster than assembling freelancers.

It also fits when you need a mix of skills for a time-boxed project, such as a rebrand or a product launch, and you do not want to coordinate five separate contractors. Agencies handle project management as part of the package.

Be careful when you hope the agency will figure out the strategy for you. Some will do it well, but you are relying on their incentives lining up with yours. Ask what happens if the plan is to spend less on a channel they manage.

The combination that often wins

For many 30 person companies, the strongest setup is a part-time CMO plus targeted execution. The CMO works 6 to 10 hours a week, owns the plan and the metrics, and brings in the right specialists. Those can be freelancers hired by the hour or one agency for a defined piece of work.

A practical version looks like this.

• The CMO defines the target customer, positioning and a quarterly pipeline goal.
• A fractional marketing team of a demand gen lead ($110 to $190 an hour), a content strategist ($90 to $160) or a product marketing lead ($120 to $200) fills specific gaps.
• An agency, if used, handles a narrow job such as design production or media buying under the CMO brief.
• One shared dashboard shows spend, pipeline and revenue by channel every month.

This keeps decisions with someone who is accountable to you, and keeps the cost of execution flexible. If a channel stops working, you change the scope without breaking a long contract.

Risks to watch on either path

With a fractional CMO

The main risk is bandwidth. A strong CMO may serve several clients, so ask how many and how they schedule their week. Another risk is a leader who writes a beautiful plan and leaves the work unowned. Ask who does each task and by when. A third is dependence, so keep documents and accounts in your own systems.

With an agency

The main risk is misaligned incentives and turnover. The senior person who sold you the work may not be the one doing it. Ask who will be on your account, how often reports are delivered, and what the exit terms are. Check that you own the ad accounts, the analytics and the content from day one.

How to decide in one afternoon

Write down the answers to four questions with your leadership team.

1. Can we state our target customer, offer and message in plain language that sales agrees with?
2. Do we know which channels produce qualified pipeline and what each costs?
3. Is there an internal person who can direct and approve marketing work every week?
4. Do we have a specific project that needs more hands than we have?

If you answered no to the first two, hire the CMO. If you answered yes to all four, an agency or a few freelancers may be enough. If you answered yes to the first two and no to the third, hire a CMO to be that internal person, part time.

Setting up the first 30 days

Whichever path you pick, define success before work starts. For a CMO, a reasonable first month includes a review of current channels and spend, an interview round with sales and a few customers, a one-page positioning draft, a pipeline target for the quarter, and a short list of what to stop doing. For an agency, ask for a written scope, a reporting calendar and a plan for the first 90 days.

Put the hours cap and notice period in writing. For help with the scoping step, see how to scope a part-time senior role so the first month pays off. If budget is the sticking point, the pricing page shows how the platform fee works on top of the specialist rate.

What the first quarter looks like on each path

With a fractional CMO, month one is mostly listening and measuring. The CMO reviews spend, talks to sales and customers, and writes down the positioning. Month two puts the plan into action with a small number of focused campaigns. Month three reviews results, drops what failed and shifts budget to what worked.

With an agency, month one is onboarding, access and a first round of creative or technical setup. Month two is the first real output, such as ads running or the first articles published. Month three brings the first meaningful data, and the question becomes whether the output matches the pipeline you need.

Neither timeline is wrong. The CMO path front-loads thinking and tends to show clearer decisions early. The agency path front-loads production and tends to show activity early. The risk on the first path is waiting too long to ship anything. The risk on the second is shipping a lot before you know what works.

A useful test is to ask each option the same question at the start of the call. What would you stop doing if the data told you to? A CMO should be able to answer without hesitation. An agency that earns more when you spend more may find it harder, so listen for how they handle that tension.

Where to start

If you are leaning toward the CMO seat, the fractional CMO page lets you enter the hours per week and budget and see a ranked shortlist of verified profiles with availability and rates. You send intros, agree the scope, and sign a contract with an hours cap, a notice period and an NDA and IP assignment already attached. Weekly timesheets keep spend visible from the first week.