Greenough Communications, founded 1999 in Boston by Phil Greenough, is an independent brand marketing and PR agency with 11% revenue growth in 2025. Updated June 26, 2026.
KCSA Strategic Communications is the New York–based integrated communications agency founded in 1969 — PR, IR, capital markets, social media under one roof. Headquartered at 261 Madison Avenue. 54 employees, ~$32.7M annual revenue. Practice areas: financial services, cannabis and psychedelics, healthcare, technology, women's health and wellness, digital media.
Critical Mass, founded 1996 in Calgary and 99% owned by Omnicom, is a global digital experience design agency with ~1,500 employees across 12 offices. Updated June 14, 2026.
Speyside CR, is by extension a tested and refined corporate communications giant. Co-founders Alistair McLeish and Ian Herbison announced the opening of the company's offices in San Paulo, Brazil. In a conversation with Herbison, Everything PR News gleaned a window into the vision of two of the most successful corporate communicators in the world. These former top executives for MmD (Eastern Europe's most powerful PR entity) are now engaging South America with the same patented approach to corporate business and collaboration.
Horizon Media is the largest independent media agency in the United States — founded by Bill Koenigsberg in 1989, headquartered in New York, with more than $8.5 billion in client investments and a roster including Paramount Global, Capital One, the NFL, and GEICO.
Saatchi & Saatchi built the largest agency in the world by 1986, lost it in a 1995 boardroom revolt, and shaped the holding-company model that defines PR and advertising today.
Duke University trains the executives PR practitioners work for — through the Fuqua School of Business (top-ten MBA) and the Sanford School of Public Policy. Duke's relevance to communications education runs through these adjacent pathways rather than a dedicated PR major.
EPR's founding-era profile of APCO Worldwide — the 1984 founding by Margery Kraus inside Arnold & Porter law firm, the Grey Global Group era (1991-2004), and the September 2004 management buyout that returned APCO to independence.
In our view, Sage is a company that “does things differently.” They do not hide behind false pretenses - the language on the site is clear and uncluttered by hype.
