Executive brief / Private Equity & Portfolio Companies

Marketing in the First 100 Days After an Acquisition

Published by CMO + TEAM

The direct answer

The first 100 days after an acquisition should focus on understanding what is actually working before making broad marketing changes. The priority is to establish reliable data, evaluate the team and vendors, understand the customer and positioning, identify immediate performance opportunities and build a marketing plan tied to the investment thesis.

Days 1–30: Establish the Truth

The first month is for building a shared view of the current system. Audit:

People, roles and decision rights.
Agencies and vendors.
Technology and data access.
Spend and budget allocation.
Pipeline attribution and definitions.
Customer acquisition and retention.
Positioning and messaging.
Website, SEO and AEO.
Paid media.
CRM and automation.
Reporting.
Sales and marketing alignment.

The goal is not to produce a long list of observations. It is to distinguish facts, assumptions, urgent risks and opportunities that deserve further work.

Days 31–60: Prioritize

Use the first month of evidence to decide:

What should stop.
What should continue.
What should scale.
Which capabilities are missing.
Which quick wins are credible.
Which structural problems require a longer plan.

Resist the urge to change every vendor or launch every program at once. A portfolio company may have valuable people and partners that need clearer direction rather than replacement.

Days 61–100: Build the Operating Model

By the third month, leadership should have a practical operating model covering:

Strategy and priorities.
KPIs and shared definitions.
Reporting and meeting cadence.
Budget allocation.
Team structure.
Agency and vendor structure.
90-day execution priorities.
Longer-term roadmap.

The operating model should connect marketing work to the value-creation plan without pretending that every result can be attributed to a single initiative.

What to Avoid

Do not promise arbitrary improvements simply because ownership changed. Do not treat spend increases as a strategy. Do not remove existing resources before understanding their role, performance and replacement requirements.

The most useful first-100-days outcome is a clearer set of choices: what the company knows, what remains uncertain, what deserves investment and who is accountable for moving it forward. The Private Equity and Portfolio Companies perspective on marketing should inform that work, but the plan must fit the individual business.

Key Takeaways

The first 30 days establish the truth before broad changes are made.
Days 31–60 turn evidence into stop, continue, scale and capability decisions.
Days 61–100 establish the strategy, scorecard, budget, organization and execution roadmap.
The goal is a credible operating model tied to the investment thesis, not a manufactured early win.

Decision support

Should a portfolio company hire a CMO immediately after acquisition?

Not always. First determine whether permanent executive leadership is needed, what the role should own and whether the business can support the organization underneath it. A transition leader or assessment can clarify those decisions; a full-time CMO is appropriate when the permanent need and resources are already clear.

Read when to hire a full-time CMO

What should an operating partner ask marketing in the first month?

Ask what the business is trying to achieve, how customers choose it, where pipeline comes from, what marketing owns, which vendors and people are effective, how performance is measured and what decisions are currently blocked. The answers should be evidence-based and explicit about uncertainty.

What should happen to existing agencies after an acquisition?

Evaluate them against the new strategy and operating model rather than changing them automatically. Keep partners that are effective and fit the future needs, renegotiate or replace overlapping work, and assign clear ownership so the vendor ecosystem supports the investment thesis.