Brennen Lesser

Fractional CMO

Hire a Fractional CMO

Start in weeks, not quarters. A senior operator embedded in your business on a flexible retainer.

Hire your fractional CMO
20+ yrs
Operating experience
30–50%
Of a full-time CMO cost
2 weeks
To ramp and start
The number
What I own

The problem

Hiring a full-time CMO takes 4–6 months and a huge salary bet before you see any results.

How a fractional CMO fixes it

Engage a fractional CMO on a monthly retainer, ramp in two weeks, and scale up or down as the business needs.

What a fractional CMO actually does

Fractional CMO leadership means one accountable owner for the whole function: positioning that makes your value obvious, demand generation measured to revenue instead of clicks, attribution you can trust, and a team plus SOPs that keep the engine running long after the strategy is set.

How the engagement works

01

Discovery & audit

Weeks 1–2: understand your funnel, goals, data, and the gaps holding growth back — talk to sales, customers, and the numbers.

02

Strategy & plan

Weeks 2–4: lock positioning, choose the channels that fit your motion, and build a 90-day roadmap tied to revenue.

03

Build & execute

Weeks 4–8: install the systems, make or manage the hires, launch the channels, and start producing measurable pipeline.

04

Measure & scale

Weeks 8–12 and on: attribution to revenue, cut what is not working, and double down on what is.

What you get

01

Strategy & positioning

A clear go-to-market and a message that converts — one your whole team can repeat.

02

Demand generation

Channels and campaigns that produce pipeline, measured to revenue instead of clicks.

03

Team & operations

The right hires, tools, and SOPs — a marketing department that runs itself.

04

Analytics & attribution

Honest reporting that ties every dollar of spend back to pipeline and closed revenue.

05

Budget ownership

A marketing budget allocated by someone accountable for the return on it.

06

Executive alignment

Marketing that sales trusts and the board understands — one shared number.

Fractional CMO vs. full-time CMO vs. agency

Each option trades off differently. A full-time CMO delivers dedication but demands $250k-plus and months of hiring risk. An agency delivers capacity but owns none of your strategy or results. A fractional CMO delivers what most companies actually need — senior ownership and accountability — part-time and at a fraction of the full-time cost.

How pricing works

How much does a fractional CMO cost? Engagements are billed as a flat monthly retainer — no equity, no long-term lock-in, and no surprise invoices. The retainer is scoped to how much leadership you need, and as a rule of thumb runs about 30–50% of what a full-time CMO would cost in total compensation. For most companies that means senior marketing leadership that pays for itself in pipeline.

Why work with Brennen Lesser

Brennen is a builder first. He has stood up marketing teams and demand systems from scratch, and he brings that hands-on — accountable for results and focused on leaving behind a machine that runs without him.

The best marketing hire we made was not full-time. Brennen owned the strategy and the number from day one.

Client, B2B SaaSCEO

Frequently asked questions

What does a fractional CMO do?

A fractional CMO owns your marketing strategy, team, and growth systems on a part-time retainer — positioning, demand generation, analytics, and hiring — with accountability for pipeline and revenue, not just tasks.

How much does a fractional CMO cost?

Typically 30–50% of a full-time CMO salary, on a flexible monthly retainer scoped to your stage. You get C-suite marketing leadership without the $250k+ commitment or the long hiring cycle.

How is a fractional CMO different from an agency or a consultant?

An agency runs tactics and a consultant advises. A fractional CMO takes ownership — sets the strategy, builds and manages the team, and is accountable for the number, operating like a member of your executive team.

How quickly can a fractional CMO start?

Most engagements ramp in about two weeks. You skip the 4–6 month executive search and start making progress on strategy and pipeline almost immediately.

What size company is a fractional CMO right for?

Seed-to-Series-B startups, SaaS companies, and growing B2B firms — typically doing $1M–$50M in revenue — that need senior marketing leadership but cannot yet justify, or do not yet need, a full-time CMO on payroll.

What results should I expect?

A clear go-to-market strategy, marketing that sales trusts, attribution tied to revenue, and a team and system that keeps producing pipeline after the engagement scales down. The aim is a self-sustaining marketing function, not permanent dependence on a consultant.

Fractional CMO vs. full-time CMO — how do I choose?

If you have the budget, workload, and revenue to support a $250k+ executive full-time, hire one. If you need senior leadership now but want to de-risk the decision, a fractional CMO gives you the same caliber of leadership scaled to your stage — and can help recruit your eventual full-time CMO when the time is right.

How many hours or days a month does a fractional CMO work?

It varies by scope. A company that mainly needs strategy and oversight might need a few days a month; one that needs hands-on building needs more. The retainer is sized to the work, and it can flex up or down as your needs change.

Schedule a strategy call