Marketing is what you say about yourself. PR is what gets a third party, usually a journalist, to say it instead. That's the core distinction behind the official definitions of both fields: the American Marketing Association describes marketing as the activity and processes for creating, communicating, delivering, and exchanging offerings that have value for customers, clients, partners, and society at large. The Public Relations Society of America describes PR as a strategic communication process that builds mutually beneficial relationships between organizations and their publics. One is about exchanging value directly. The other is about managing relationships and reputation through channels you don't fully control.
What does marketing actually cover, by its own definition?
Creating, communicating, delivering, and exchanging something of value, directly, with the audience that pays for it.
The AMA's definition names four activities: creating an offering, communicating about it, delivering it, and exchanging it for something of value. That covers paid advertising, email campaigns, product pricing, website copy, social media content you post yourself, and the sales funnel built to convert interest into revenue. The through-line is control: a marketing team writes the ad, sets the price, and decides when the campaign runs. The audience sees exactly what the company chose to show them, which is precisely why advertising is trusted less than independent coverage of the same claim.
What does PR actually cover, by its own definition?
Building relationships with the public through a process a company doesn't fully control, mainly by earning the attention of people who can speak about the company independently.
PRSA's own definition centers on "relationships," not transactions, and that word choice matters. A PR team pitches a journalist a story; the journalist decides whether to write it, what angle to take, and whether to include a critical detail the company would rather leave out. That loss of control is the trade-off for a different kind of trust: audiences generally weigh an independent journalist's account of a company more heavily than the company's own ad, because the journalist has no direct financial stake in making the company look good. This is also why earned media carries weight that paid placement doesn't, and increasingly, why it's what AI assistants lean on when answering questions about a company, since a model has no easy way to verify a company's own claims about itself the way it can weigh independent reporting.
Where does the confusion between the two actually come from?
Mostly from the fact that both fields use the same channels now, even though the underlying mechanism is different.
A LinkedIn post, a blog article, a quote in a trade publication, and a paid social ad can all look similar on screen, which makes it easy to lump them into one "content" bucket. But a founder's quote in a journalist's article about an industry trend is PR: the journalist chose to include it, framed the story, and the company had no final say over the piece. The same founder's LinkedIn post making the identical point is marketing: fully owned, fully controlled, published the moment the founder clicks send. Both can be useful. They are not interchangeable, and a strategy that treats them as the same thing tends to under-invest in the harder, slower work of earning independent coverage in favor of the easier work of publishing owned content.
Does PR help marketing, or compete with it?
Helps, almost always, when the two are coordinated rather than run in separate silos.
Earned coverage gives marketing something to work with that it can't manufacture on its own: third-party validation. A product page claiming your software is "trusted by enterprise teams" is a marketing assertion. A trade publication's independent review saying the same thing is proof marketing can then cite, link to, or pull a quote from. This is the proof-behind-the-message problem covered in how to build a PR strategy: marketing needs credible material to work with, and PR is one of the main ways a company earns it rather than asserts it.
The reverse is also true. Marketing's distribution muscle, the email list, the paid social reach, the SEO-optimized blog, gives a piece of earned coverage a second life well past its original publication date. A press mention that nobody amplifies disappears in a day. One that gets worked into a sales deck, a LinkedIn post, and a follow-up email campaign keeps paying off for months.
Do PR and marketing get measured the same way?
No, and conflating the two measurement models is a common mistake.
Marketing has mature, largely transactional metrics: cost per acquisition, conversion rate, email open rate, ad spend against revenue generated. Those numbers exist because marketing fully controls the channel and can instrument every step. PR resists that model, because you can't instrument a journalist's decision to write a story the way you can instrument an ad click. Pricing a press mention as if it were an ad buy of equivalent size, advertising value equivalency, is explicitly the practice the PR industry's own measurement standard rejects, because it tells you nothing about whether the right audience actually read or believed the coverage. PR is better measured against the goal it was meant to serve: did the target audience's stated perception shift, did the coverage land in outlets that audience actually trusts, did inbound interest change afterward.
Does a company need both, or can it pick one?
Most companies need both, in different proportions depending on the goal.
An early-stage company trying to build category credibility with almost no brand recognition usually gets more out of earned coverage, since nobody trusts a company's own claims about itself yet, and a founder's visibility does more to establish credibility than another paid ad. A company with an established reputation trying to drive a specific, measurable conversion, a product launch, a limited-time offer, usually gets more out of marketing's direct control over message and timing. Neither substitutes for the other long-term: marketing without any earned credibility behind it reads as self-promotion, and PR without marketing's distribution and conversion infrastructure behind it earns attention that goes nowhere.
If you're deciding which one your company actually needs more of right now, what a PR agency does day to day and how PR and SEO actually interact are useful next reads for sorting out where the gap really is.
The direct answer, for anyone who read this far
What's the difference between PR and marketing? Marketing creates, communicates, and exchanges value directly, under the company's full control. PR builds relationships, mainly with journalists and other independent voices, that earn a company attention and credibility it cannot grant itself. Most companies need both, measured differently, working together rather than as substitutes for each other.
If you're not sure whether your current gap is a PR problem or a marketing problem, get in touch and we'll help you figure out which one to fix first.
