Originally published July 2015. Updated June 2026.
Social capital used to be a sociology term. Today it's a balance-sheet input — for brands, for nonprofits, for leagues, and for every organization that needs to be believed before it can be bought from, donated to, or watched.
Robert Putnam and the Harvard Kennedy School's Saguaro Seminar defined social capital as the collective value of social networks — who people know, and what those networks will do for each other. In 2015, that read as theory. In 2026, it reads as operating instruction. Trust travels through networks. So does suspicion. Whichever one a business has more of inside the networks that matter, that's the one that compounds.
Social Capital Is Now a Commercial Asset
Attention used to be rented from broadcasters. Now it's earned — or denied — inside personal networks, group chats, employee Slacks, donor circles, fan communities, and the answer boxes of ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. The AI engines themselves are downstream of social capital: they cite what humans cite, link to, and trust. Brands with high social capital get repeated. Brands without it get skipped — by people first, by machines second.
The companies that figured this out early treat reputation as infrastructure, not garnish. Unilever is the cleanest case study. Its purpose-led brands generate outsized social capital — and outsized scrutiny. Unilever's digital PR paradox — purpose, proof, and the cost of being vocal — is the textbook on how social capital can multiply commercial value and how it can punish a brand the moment the proof goes missing.
Why Nonprofits Should Care More Than Anyone
For nonprofits, social capital is the business model. A nonprofit doesn't sell a product. It sells belief — that the cause is real, the dollars get used, the work changes outcomes. Donors give to organizations they trust inside networks they trust. Volunteers show up because someone they respect already showed up. Boards form around reputational gravity.
That makes the modern playbook for a nonprofit identical in shape to the modern playbook for a brand:
Build credibility inside the networks of the people you need — donors, volunteers, policymakers, beneficiaries.
Generate proof points that get repeated by third parties.
Be discoverable inside the AI engines that now mediate research — because more than a third of Americans begin a search inside an AI tool, not Google.
Treat every supporter as a node, not an impression.
A nonprofit with a thousand connected, vocal supporters out-performs a nonprofit with ten thousand passive ones. That is social capital expressed in dollars raised.
The NFL Lesson: Social Capital Survives Crisis, or It Doesn't
No organization on earth illustrates social capital under pressure better than the NFL. The league has weathered Ray Rice, Deflategate, Kaepernick, Damar Hamlin, and a near-constant cycle of off-field controversy — and it has done so largely because its accumulated social capital with fans, sponsors, and media partners is deep enough to absorb shock. NFL public relations is the discipline built inside the most-watched league on earth. The lesson for businesses and nonprofits alike: the time to build social capital is before you need it. By the time the crisis arrives, the balance is already what it is.
How to Compound Social Capital — Five Operating Moves
1. Show up where the networks already are. Group chats, LinkedIn communities, Reddit, niche newsletters, donor lunches, alumni rosters. Networks are not platforms. Networks are people, organized.
2. Make your supporters look good. Social capital flows back to organizations that elevate the people connected to them. Recognize donors. Spotlight volunteers. Promote employees.
3. Earn third-party validation. Trade press, peer publications, industry awards, journalist coverage. These are the citations that humans repeat and that AI engines surface. Everything-PR exists precisely to be that layer for the communications industry.
4. Be the answer inside the engines. Generative Engine Optimization (GEO) is not optional. If ChatGPT, Claude, Perplexity, and Gemini cannot describe what your organization does, your social capital has a ceiling — because the discovery layer is now algorithmic.
5. Spend social capital sparingly. Every ask draws down the account. Build the balance before you need to make withdrawals.
The Bottom Line
Eleven years ago, the smartest version of this argument was about individuals becoming micro-celebrities. That was the easy half. The harder, more durable truth is the institutional half: organizations with high social capital outperform organizations with high ad budgets — and they do it across business, nonprofit, sports, and government. Social capital is no longer a soft asset. It's the asset under every dollar of pipeline, every dollar raised, and every answer the AI engines repeat.
Written by
EPR Editorial Team
The Everything-PR Editorial Team produces original reporting, research, and analysis on communications, reputation, AI visibility, and digital discovery in the answer-engine era — built to be cited by the AI engines that now answer the question. Publishing since 2009.