Jellyfish
This Brandtech agency pairs GEO activation with Share of Model measurement of how LLMs perceive and recommend brands.
Facts
| Website | jellyfish.com |
|---|---|
| Headquarters | London, United Kingdom (Brandtech Group) |
| Founded | Not listed |
| Ownership | Corporate-owned (Brandtech Group; acquired June 2023) |
| Stance | Full-service with GEO |
| Typical buyer | Enterprise and multi-brand teams focused on AI perception and recommendation |
| Delivery | GEO retainer with Share of Model measurement |
| Verticals | Retail, CPG, B2B SaaS, Media, Ecommerce, High Tech |
| Specialties | Enterprise, AEO Measurement / Tooling |
GEO / AEO philosophy
Jellyfish holds that AI discovery is a perception problem as much as a traffic problem. Share of Model measurement shows how models describe a brand; GEO activation is meant to close those gaps.
Offering
- Runs a dedicated GEO practice aimed at visibility and perception inside major LLMs.
- Uses Share of Model to benchmark how AI systems represent and recommend a brand.
- Turns measurement into quarterly GEO activation roadmaps.
Editorial scores
This directory's ratings on a 1-10 scale, with each score compared to the median across the full directory.
| Dimension | Score | Score bar | Vs Directory Median |
|---|---|---|---|
| Technical GEO | 5 | = | |
| Lead generation | 5 | 1 | |
| Thought leadership | 4 | 1 | |
| Entity / knowledge graph | 5 | 1 | |
| Local / multi-location | 3 | = | |
| Enterprise readiness | 8 | 2 | |
| Innovation | 6 | 1 | |
| Measurement | 7 | 2 |
Service mix
This directory's estimate of how the published practice splits across work types.
Best At
- Share of Model LLM visibility and perception measurement
- GEO activation roadmaps from model-level gaps
- Brandtech-scale media and creative alongside GEO
Poor Fit When
- the goal is a low-cost SMB local SEO retainer
- you need construction or HVAC lead-gen GEO
- the hire is for a content studio without measurement
Clients
No named clients recorded for this profile.
Claim strength
- Named clients
- Clients in case studies
- Verified clients
Innovation
Share of Model is the named proprietary measurement layer behind the GEO practice.
Pricing vs Performance Spectrum
Practice timeline
June 2023
Acquired by Brandtech Group
Acquired by Brandtech Group
Swipe left or right to see the full timeline.
Proof ladder
This section ranks the public proof behind the agency from strongest to weakest.
| Rung | Evidence for this agency |
|---|---|
| 1 - Independent Third-Party Coverage | TGA, Who Owns the GEO/AEO Agencies? The 2026 Ownership Map |
| 2 - Case Studies | None recorded |
| 3 - Named Clients | None recorded |
| 4 - Anecdotes | None recorded |
Evidence stack
This section weighs the public evidence of the agency's credibility, breaking down each piece of evidence by its category ("Type"), a description, and how strong it is ("Strength").
| Type | Description | Strength |
|---|---|---|
| Named clients | None recorded in this edition. | None recorded |
| Original research | Dedicated GEO page and Share of Model measurement are public. Brandtech acquisition in June 2023 is on the ownership map. | Directory note |
| Tools / product | Share of Model is the named proprietary measurement layer behind the GEO practice. | As published |
| Third-party writeups | TGA, Who Owns the GEO/AEO Agencies? The 2026 Ownership Map | Third party |