# SEO content tools used by Agency & Studio companies usedby lists 19 Agency & Studio companies using 3 SEO content tools. The most used is Surfer: 12 of the 19 Agency & Studio companies on usedby, every proof level counted. These are counts of the companies usedby tracks, not a market share. Data as of 2026-10-18. ## Ranking Tools ranked by the companies of the 19 Agency & Studio companies on usedby that use them. Each company counts once per tool, at its strongest proof. Ties go to more confirmed, then declared, then observed companies. | # | Tool | Companies | Confirmed | Declared | Observed | Job posts only | Last check | |---|---|---|---|---|---|---|---| | 1 | [Surfer](https://www.usedby.ai/tools/surfer.md) | 12 | 0 | 0 | 12 | 0 | 2026-10-13 | | 2 | [Frase](https://www.usedby.ai/tools/frase.md) | 5 | 3 | 0 | 2 | 0 | 2026-10-15 | | 3 | [AirOps](https://www.usedby.ai/tools/airops.md) | 2 | 0 | 0 | 2 | 0 | 2026-10-18 | ## Customers per tool Every line is a customer, at one of three proof levels: confirmed (a case study, a named quote, a press release, or the company's own public account of using the tool (its own site, or a post by one of its executives, VP or above)), observed (the vendor shows the company on its own pages) or signal (a job post shows the company's employees use the tool, the weakest proof). A line the company declared to usedby itself is marked declared. A signal is never a case study or a vendor listing. Strongest proof first. "Last check" is the later of the line's re-verification and its latest capture. | Tool | Company | Proof | Source | Last check | |---|---|---|---|---| | Surfer | [Dapper Marketing](https://www.usedby.ai/companies/dapper-marketing.md) | Observed | [surferseo.com](https://surferseo.com/category/case-studies/), captured 2026-10-13 | 2026-10-13 | | Surfer | [DatGrowth](https://www.usedby.ai/companies/datgrowth.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Diggity Marketing](https://www.usedby.ai/companies/diggity-marketing.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Dino Digital](https://www.usedby.ai/companies/dino-digital.md) | Observed | [surferseo.com](https://surferseo.com/category/case-studies/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Fox and Owl Marketing](https://www.usedby.ai/companies/fox-and-owl-marketing.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [iCEA Group](https://www.usedby.ai/companies/icea-group.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Market My Market](https://www.usedby.ai/companies/market-my-market.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Mongoose Media](https://www.usedby.ai/companies/mongoose-media.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [s360](https://www.usedby.ai/companies/s360.md) | Observed | [surferseo.com](https://surferseo.com/category/case-studies/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Southtown Web Design](https://www.usedby.ai/companies/southtown-web-design.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [YOYABA](https://www.usedby.ai/companies/yoyaba.md) | Observed | [surferseo.com](https://surferseo.com/), captured 2026-10-13 | 2026-10-13 | | Surfer | [Ramotion](https://www.usedby.ai/companies/ramotion.md) | Observed | [surferseo.com](https://surferseo.com/pricing/), captured 2026-10-13 | 2026-10-13 | | Frase | [V Digital Services](https://www.usedby.ai/companies/v-digital-services.md) | Confirmed | [frase.io](https://www.frase.io/case-studies/v-digital-services-enterprise), captured 2026-10-02 | 2026-10-15 | | Frase | [Embryo Digital](https://www.usedby.ai/companies/embryo-digital.md) | Confirmed | [frase.io](https://www.frase.io/case-studies/embryo-digital-seo-agency), captured 2026-10-02 | 2026-10-15 | | Frase | [Red 11 Media](https://www.usedby.ai/companies/red-11-media.md) | Confirmed | [frase.io](https://www.frase.io/case-studies/red-11-media-content-scaling), captured 2026-10-02 | 2026-10-15 | | Frase | [Digitas](https://www.usedby.ai/companies/digitas.md) | Observed | [frase.io](https://www.frase.io/pricing), captured 2026-10-15 | 2026-10-15 | | Frase | [Merkle](https://www.usedby.ai/companies/merkle.md) | Observed | [frase.io](https://www.frase.io/pricing), captured 2026-10-15 | 2026-10-15 | | AirOps | [Brainlabs](https://www.usedby.ai/companies/brainlabs.md) | Observed | [airops.com](https://www.airops.com/customer-stories), captured 2026-10-18 | 2026-10-18 | | AirOps | [Xponent21](https://www.usedby.ai/companies/xponent21.md) | Observed | [airops.com](https://www.airops.com/customer-stories), captured 2026-10-18 | 2026-10-18 | ## Method Public customer lines of active SEO content tools at companies classified in Agency & Studio. No software vendor had to be left out. Company mix by strongest proof: 3 confirmed, 0 declared, 16 observed and 0 signals. ## Questions ### Which SEO content tools do Agency & Studio companies use most? Surfer leads: 12 of the 19 Agency & Studio companies on usedby that use SEO content tools use it. Next: Frase (5) and AirOps (2). ### How many Agency & Studio companies use SEO content tools? 19 Agency & Studio companies on usedby use at least one of 3 SEO content tools. It counts the companies usedby tracks. ### What proof backs these lines? Of the 19 companies, each counted at its strongest proof: 3 confirmed, 0 declared, 16 observed and 0 known from a job post. ### How does usedby build this ranking? usedby counts each Agency & Studio company once per tool, from public proof: case studies, press releases, the company's own site or its declaration to usedby, vendor customer pages and job posts. Every line shows its proof and the date usedby last checked it. Industry page: https://www.usedby.ai/companies/industry/agency-studio.md · Category page: https://www.usedby.ai/tools/category/seo-content-strategy.md --- Source: https://www.usedby.ai/companies/industry/agency-studio/seo-content-strategy · How we check: https://www.usedby.ai/methodology