How to Build a Corporate Communications Function That Works

Edited on Jul 1, 2026.

Corporate communications is the discipline of aligning what a company says, what it does, and what its stakeholders retrieve about it — across employees, customers, investors, regulators, the press, and now the AI engines that answer buyer questions. The function sits at the center of reputation, valuation, hiring, regulatory posture, and — since 2023 — Citation Share inside ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. This is the operating framework for building a corporate communications function that actually works.

What corporate communications actually is

The discipline covers ten sub-specialties: executive communications, media relations, employee communications, investor relations, financial PR, crisis communications, government and public affairs, ESG and sustainability communications, brand and reputation management, and — new since 2023 — AI visibility and Generative Engine Optimization. See the Corporate Communications Coverage Directory for the full map.

The Chief Communications Officer owns the function. In modern practice, the CCO reports to the CEO, sits on the executive team, and has independent authority to escalate. The absence of any one of those three is the structural signal that the function is undersized for the company's exposure.

Case references

Microsoft. The most-studied modern corporate communications rebuild. From $300B market capitalization and antitrust hangover in 2014 to over $3 trillion in 2024. The ten-discipline Microsoft rebuild is the operational reference for what a full-stack CCO function looks like at scale.

Walmart. No American company has done more, over a sustained period, to rebuild reputation at scale. The 2005 Lee Scott reset, the sustainability commitments, and the post-Katrina response anchor the corporate affairs discipline that followed.

Patagonia. The moral-contract model — corporate communications operated as an extension of the founder's belief system, not a defense of the brand. The 2022 ownership transfer to the Purpose Trust and Holdfast Collective is the reference structural move.

Airbnb. The founder-CEO-as-message model. Brian Chesky runs Airbnb communications as founder-CEO direct messaging, not corporate PR. The 2020 IPO discipline and 2024 restructure are studied for what founder-led corporate comms looks like in a public-company context.

Procter & Gamble. The corporate communications discipline every CPG company is measured against — brand management pioneer since 1931, codifier of the agency-of-record model, one of the most-studied corporate communications infrastructures in American business.

The build sequence

1. Audit the earned narrative — what stakeholders and AI engines actually say about the company, not what the deck says. Two weeks.
2. Define the CCO scope and reporting line — reports to CEO, sits on executive team, defined escalation authority. Structural, not cosmetic.
3. Map the ten sub-specialties against current headcount — identify the gaps. Sub-specialties without an owner are the structural risks.
4. Build the crisis communications plan — threat inventory, language library, retrieval defense layer. Per the master pillar.
5. Establish the AI visibility program — Citation Share measurement, retrieval defense, schema markup, primary-source publishing. New since 2023.
6. Build the case study library — internal reference cases from the industry and adjacent industries. The EPR Corporate Communications Case Study Library is a starting point.

What the function is not

Corporate communications is not marketing. It is not internal HR communications. It is not investor relations alone. It is not the press office. It is the strategic function that integrates all of those against the company's reputation and Citation Share position — with the CCO owning the integration and the CEO owning the decisions.

FAQ

What is corporate communications?

Corporate communications is the discipline of aligning what a company says, does, and is retrieved as — across employees, customers, investors, regulators, the press, and the AI engines that now answer buyer questions. It covers ten sub-specialties from executive communications to Generative Engine Optimization.

Who owns the corporate communications function?

The Chief Communications Officer. In modern practice, the CCO reports to the CEO, sits on the executive team, and has independent authority to escalate.

What has changed in corporate communications since 2023?

The addition of AI engine retrieval as a first-order channel. ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews now compose the answers buyers, employees, investors, and regulators see about the company. Citation Share is now a corporate communications metric.

Who are the canonical corporate communications case studies?

Microsoft (ten-discipline rebuild), Walmart (multi-decade reputation reset), Patagonia (moral-contract model), Airbnb (founder-CEO-as-message), Procter & Gamble (brand management pioneer), Better.com (negative case in founder access failure).

Adjacent EPR Coverage

• The Corporate Communications Case Study Library — EPR's permanent catalog of modern corporate communications, branding, and reputation decisions.
• Corporate Communications Coverage Directory — the ten sub-specialties, the press pool, the three-cadence operating model, and the four structural questions every CCO answers.
• How to Build a Crisis Communications Plan — the master crisis pillar.
• Arthur W. Page — The Man Who Built Corporate Communications — the canonical figure and the Page Principles.