Best Public Relations in Charleston, SC
by AI Recommendation - July 2026
ARO Index measures which public relations providers in Charleston, SC are actually recommended by AI assistants, not which ones advertise or game citations. This ranking tests each business across ChatGPT, Claude, Gemini, and Perplexity using cold, single-turn queries and assigns an ARO Score from 0 to 100 based on recommendation strength and consistency. All 10 businesses below were audited through July 13, 2026.
| # | Business | Location | ARO Score | Models recommending |
|---|---|---|---|---|
| 1 | Post No Bills | Charleston | 90 v2 | GPTCldGemPrx 4/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 2 | South City Public Relations | Charleston | 90 v2 | GPTCldGemPrx 4/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 3 | Bolt PR | Charleston | 86 v2 | GPTCldGemPrx 4/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 4 | E. Boineau & Company | Charleston | 84 v2 | GPTCldGemPrx 4/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 5 | nickelcomm | Charleston | 71 v2 | GPTCldGemPrx 3/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 6 | ByrdHouse Public Relations | Charleston | 82 v2 | GPTCldGemPrx 4/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 7 | Sprouthouse | Charleston | 68 v2 | GPTCldGemPrx 3/4Recommended = a model would place the business in its top 3 for a buyer-intent query in its city and category, confirmed across a 2-of-3 majority of 3 query phrasings. Selection, not mention. More |
| 8 | Stryker-Munley Group | Charleston | 57 v2 | GPTCldGemPrx |
| 9 | PR Firm in Charleston SC, LA, Denver, NY & Chicago - C&R PR | Charleston | 43 v2 | GPTCldGemPrx |
| 10 | Momentum Marketing | Charleston | 37 v2 | GPTCldGemPrx |
Each business tested with cold single-turn queries across ChatGPT, Claude, Gemini, and Perplexity independently. ARO Score reflects recommendation strength and consistency, not payment or placement. Refreshed July 13, 2026.
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