PE-Backed CMOs: How to Build Marketing Teams that Investors Love

In most B2B companies, the marketing function is built around execution: brand voice, campaign coordination, event support, and sales enablement. When something larger happens, a rebrand or a major market shift, outside help gets called in. Strategic decisions about GTM and customer experience get handled by the executive team, often informally.

That division of labor creates a structural gap. Someone outside of sales needs to be responsible for understanding what to sell, who wants to buy it, how competitors are positioning, and why buyers behave the way they do. Marketing fills that role when it's built correctly. In mid-market B2B, it often isn't.

This article focuses on how to build an insourced marketing function that actually works: the priorities, the hiring sequence, the structural models, and the traps to avoid.

If you want the short version, here's a perspective from one of our Fractional CMOs:

"The challenge executives face when hiring marketing leaders is that they've rarely experienced 'good.' They're looking for someone to solve a growth problem, and they usually don't question the approach until a year in, even when there were clear warning signs at 90 days. This happens with both internal hires and outside resources. What to do:

Trust your instincts. If something doesn't ring true, say so early.

Use a sprint mentality with one-month gates and evaluations.

Demand progress. It takes iterations to find the message that resonates, but there should be multiple attempts. "Let's give it a little longer" is often a sign you're being managed, not led.

If you find yourself excited to share what this person has to say with the rest of the leadership team, you probably have a strong hire, internal or external. Don't lose them.

Most business leaders are in a persistent state of frustration with their marketing leadership. The path out of that cycle starts with a different approach to how you evaluate and structure the role."

Is outsourcing a good strategy?

If marketing is treated as a cost center with no direct path to revenue, then strategic marketing activities get deprioritized every time budgets tighten. That view is understandable but counterproductive. Marketing's job is to make the business visible to the right buyers, make the offering compelling, and attract customers who stay. That work has measurable commercial impact when it's structured correctly.

The challenge with agency-driven marketing strategy is that agencies have their own financial incentives. Plans tend to expand in scope to create more billable time. Over-reliance on outside strategy creates an engagement that consumes budget without building internal capability, and next year's marketing budget gets cut as a result.

The alternative is building a stronger internal foundation. That's what the rest of this article is about.

Priorities When Building Your Insourced Marketing

Several priorities matter most when constructing an insourced marketing function:

Marketing should report directly to the CEO.
1. This puts the buyer, customer, and market at the center of strategic decisions.
2. It creates accountability and urgency that doesn't exist when marketing reports through sales.
3. It enables bolder moves when the market calls for them.
Your CMO needs a deep understanding of the market and buyer, not just technology and technique.
1. A strong CMO brings a balance of research, analysis, and creativity across brand, demand generation, social, communications, and events.
2. Avoid a CMO who is primarily brand-focused. That orientation tends to reduce marketing ROI over time.
Build a content team in-house. Outsourcing content is consistently the highest-cost line item with the most friction around ROI.
1. Writers, podcasters, and video producers inside the organization produce authentic content that agencies can't replicate. The insights from that content also feed back into GTM strategy.
Outsource key events and transitions: rebrands, launches, and technology implementations.
1. This creates contained engagements with clear goals and defined budgets. It reduces scope creep and keeps accountability clean.
Organize around buyers, not products.
1. Marketing built around distinct buyer types is more precise and more effective than a function that treats all buyers the same.
  1. In B2B, for example, the C-suite has distinct needs and distinct communication preferences. Marketing built around those pillars, rather than chasing dozens of buyer journeys simultaneously, produces sharper positioning and better cross-sell opportunities.
  2. This approach optimizes budget allocation and improves customer experience at the same time.

Ideal Order of Insourcing Hires

If you're building a marketing function from scratch, the temptation is to hire an experienced generalist from your industry. The more strategic move is to sequence hires based on what the function actually needs to do first.

Hire 1: Writer. Someone who can communicate across your business lines and sales team, translate the value proposition into clear language, and move between PR, digital, and social as needed. Outsource inbound and outbound marketing execution and creative work to start. Let the CEO, sales leadership, and product team shape a GTM framework that gives your writer something to work from.

Hire 2: Research/Analyst. Someone with combined research and writing skills who has the potential to grow into a future CMO. This person should shadow sales and the CEO to understand how marketing connects to the broader business, not just the marketing function.

Hires 3–5: Project Managers. These people oversee resources, organize initiatives into actionable tasks, optimize the marketing budget, and report to the CFO. They are the operational layer that keeps everything moving.

When it's time to promote someone to VP or Head of Marketing, look internally first. The analyst is the ideal candidate; a project manager can also rise to the occasion.

Your hiring sequence should follow your GTM. If the business relies heavily on events, building an experiential marketing team early makes sense. If you start with a CMO, they'll hire toward their own strengths and make it difficult to course-correct later. Let the GTM define the function from the start.

Insourced Teams Often Fit Into One of Two Models

Marketing teams in mid-market B2B typically function as internal service providers to business units like Sales and Product. That creates a structure that resembles an agency, without the proposals or the ability to walk away from bad work. There are two common versions of this model:

Bureau: A team assembled to execute specific requests from internal clients: booth builds, lead generation campaigns, business cards. Strategic planning happens on a quarterly or annual cycle, during which senior marketers scope and budget for business unit needs. This model is straightforward to manage, but it stifles innovation. Routine sets in, and when disruption hits, an outside agency usually gets called in to fix it, which is expensive and difficult to sustain.

Strategic planning happens quarterly or annually, with senior marketers scoping and budgeting business unit needs.
The model is vulnerable to disruption. Acquisitions, pivots, and major market changes tend to break it, leading to agency intervention that's costly and temporary.

Strategic Staff Augmenting: Each business unit has a dedicated marketer who owns their GTM. Centralized or outsourced production resources support those marketers and scale up or down based on demand.

This requires multiple GTMs that roll up to a single corporate GTM. A fractional CMO or COO can manage this without requiring a full-time CMO.
Marketers closer to the business unit develop sharper instincts and generate more useful insights from market experimentation.

Without governance, this model produces brand fragmentation.

A More Effective Workflow

The goal is a balance between strategic innovation and governance, with enough flexibility to expand and contract as demand shifts. Marketing should own the GTM, not just execute against it.

In practice, that means marketing is responsible for:

Creating strategy for each business unit
Maintaining one universal GTM that gets updated regularly
Owning all customer data, not just what's visible in GA or Salesforce
Running customer and market research from that data foundation
Executing against growth priorities that can demonstrate ROI

Budget Should Lean Toward Strategy and Ops

Rather than building a large internal digital marketing team, keep outsourced activities minimal and focused on critical production. Reserve larger outside engagements for major events like a rebrand.

Allocate more toward operations: data collection, technology platforms, automation, and AI tools. Marketing operations should support the team and enable non-marketers to participate in decisions using data.

Strategy deserves real investment. Executives often resist it because the return isn't immediate. But without it, marketing becomes reactive. Priority areas: GTM, product-market fit, research, and CX.

Creative output should primarily be writing, design, and video production. The gig economy makes it easy to scale creative on demand. Building a reliable stable of on-call talent matters more than trying to staff for every scenario.

Don't Try to Build an Insourced Agency

It won't replicate an agency model, and trying to force it creates dysfunction. The structural differences are real:

Internal clients can't be fired.
The marketing function can't be fired by its clients.
Talent works only one account.
Value is measured by output and outcomes, not billable hours.
Urgency and pressure are replaced by consistency and continuity.

There are adjustments that make the internal model more rigorous without trying to replicate an agency:

Create proposals, scopes, and estimates that require sign-off, not just plans and budgets.
Establish a revenue-per-marketing-FTE metric or another quantitative measure that connects output to business value.
Take on at least one external project per year, such as a nonprofit engagement, to keep the team sharp and externally calibrated.
Hold regular strategy sessions that address real issues: competitive threats, churn, CAC, product-market fit, and margin.
Reduce meetings. The time recaptured goes into writing and building, not talking about writing and building.

Before building or optimizing a marketing function, examine the foundations. Mavenray works with PE firms and portfolio companies to architect the Office of the CMO: a framework for structuring the marketing function internally and externally to generate value and growth across the holding period.