Trellis Group
climbs the climate trellis

Who they are now

Before 8 a.m. Pacific, somewhere between a Manhattan ESG desk and a logistics CSO's inbox in Atlanta, a newsletter lands. It is called Trellis Briefing. It is short, opinionated, written by people who have been doing this since Bill Clinton's first term, and it is the closest thing the corporate sustainability world has to a morning paper.

Trellis Group, formerly GreenBiz Group, is the company that sends it. They are roughly 140 people, mostly remote, anchored in a converted Oakland office at 440 25th Street. They run five conferences. They publish daily. They host a private peer network for senior sustainability executives that Fortune 500 CSOs join the way bankers used to join clubs. They are not a startup. They are not loud. They are, however, in the room when the climate economy gets organized.

Fig 1 - The renamed brand, captured at rest. Still tasteful. Still in Oakland.

The problem they saw

Climate reporting, for most of the last three decades, was either NGO sermon or trade-press cheerleading. Neither was much use to the person at the Procter & Gamble or Microsoft who actually had to file a scope-3 number and explain it to a board that does not, generally, dream in metric tons of CO2.

That gap - between climate ambition and operational reality - is the company's reason for existing. Sustainability officers wanted journalism that did not flinch but also did not preach. They wanted peers to compare notes with, ideally off the record. They wanted a calendar of events worth flying for. Nobody was quite serving that market end-to-end. Trellis decided to.

Fig 2 - The numbers, rendered in slightly dramatic slants. Real figures, sourced from public statements.

The founders' bet

Joel Makower started something called The Green Business Letter in 1991, four years before Netscape went public. It was a print newsletter. He believed - correctly, as it turned out - that companies, not protesters, would do most of the heavy lifting on the environment, and that they would need useful information, written by adults, to do it.

Pete May was a veteran B2B publishing executive with a track record of building event businesses that paid for themselves. In 2006, the two of them bought GreenBiz.com from the nonprofit that owned it. The idea was simple and slightly contrarian: take a sleepy domain about corporate environmentalism, add events, add a paid executive network, add hard editorial, and run it like a business. It worked. They raised a single $1.4M Series A in 2008 and have not needed to raise since.

Fig 3 - Three decades on a single trellis. Pruning encouraged.

The product, plural

Trellis is not one thing. It is five interlocking businesses sharing one editorial backbone:

The newsletter (Trellis Briefing) is the front door. The conferences are the city. The Network is the back room. Research reports and the job board are the plumbing. Everything routes traffic to everything else, and the editorial side, by long-standing internal practice, does not negotiate with sponsorships.

Fig 4 - Approximate revenue mix. Conferences pay the rent. The newsletter buys the editorial integrity.

The proof

You can argue with a magazine. You can argue with a conference. It is harder to argue with the people who keep showing up. Trellis events draw thousands of attendees, and the Trellis Network counts senior sustainability leaders from companies you have heard of and probably bought something from this week. The annual State of Green Business report has been cited so often in corporate disclosures that it functions as common reference material in the field.

Annual revenue lands somewhere around $11.4 million on the most recent estimates - small, by media-conglomerate standards; large, for a privately held, single-Series-A B2B publisher that has stayed independent for nearly two decades.

The mission

Trellis's own framing is brisk: empower professional communities to confront the climate crisis through industry-leading events, peer networks and digital media. The tagline is even shorter: Accelerating the Business of Sustainability.

The mission has a target shape - not activists, not policymakers, but the working corporate sustainability professional who has to translate ambition into a slide deck for the executive committee before Friday. Trellis exists, more or less, to make that person's job easier and that person's network larger.

Why it matters tomorrow

Climate disclosure is no longer optional in most of the world's major markets. AI is being asked, with somewhat mixed results, to do sustainability accounting. Scope-3 has moved from acronym to lawsuit risk. Whoever convenes the people working on this stuff - and writes about it without flinching - sits in an unusually durable spot.

Trellis has been doing it since 1991. The market caught up. The name changed. The room is, if anything, more crowded.

And so, the inbox

It is 7:58 a.m. The Briefing arrives. The CSO in Atlanta reads it. The ESG analyst in New York forwards a piece to her boss with a single word: this. Somewhere in Oakland, a small team of editors is already working on tomorrow's. The trellis grows another inch. The climb continues.