Ranked · 19 of 25 assessed
Ordered by Agency List ScoreCreative communications with PR, influencer, and experiential marketing.
Community gymnastics club fostering potential in Buckinghamshire.
Creative PR, social media, and experiential marketing
B2B tech PR and international communications for growth
Creating Talkability® through PR and social-driven fame
B2B tech PR campaigns driving growth and awareness
Amplifying purpose-driven brands through strategic storytelling and media relations.
B2B and B2C tech communications for Europe and the US
B2B tech PR and marketing with global reach
Strategic communications and media relations for B2B brands
Creative consultancy for brand, corporate, and sustainability communications
Transforms brand engagement through creative marketing and cultural relevance.
Delivers customer engagement across channels for global brands
Creative PR and communications breaking cultural norms
Corporate communication and change consultancy for positive business transformation
Integrated PR campaigns for technology and B2B sectors
PR and digital marketing for the education sector
Strategic PR and communications for evolving brands
Integrated creative agency offering media planning and captivating content.
Also in Greater London · 8 not ranked here
2 have not yet been assessed on the Agency List Score. Alphabetical.About this ranking
What this page ranks
This page ranks 19 of the 25 assessed PR and Communications agencies in Greater London, United Kingdom — the ones carrying a published score — out of 27 listed.
The score measures how well an agency documents its own work in public — named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than described as the client's own results. It does not measure client satisfaction, price, or availability.
Cohorts and awards
Agencies are compared within a cohort — here, PR and Communications in Greater London, United Kingdom. A cohort must be large enough to express the band being awarded: at least 8 assessed agencies for a top 25% award, 20 for top 10%, 40 for top 5%, and 300 for top 1%. This one holds 25, so the strongest award available here is top 10%.
The 2 PR and Communications agencies not yet assessed are listed on this page but not ranked.
A further 6 were assessed and no published evidence of their work was found, so no score is shown for them.
Paid placement
Partner agencies can buy a labelled placement block above the ranking on this page. It is always marked as paid and is never mixed into the ranked list.
Placement is paid; it does not affect the ranking, cohort membership, or any agency's score. Ranking position, cohort membership and the score itself are not for sale.
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Questions
- How many PR and Communications agencies are in Greater London, United Kingdom?
- 27 are listed on Agency List in Greater London, United Kingdom. 25 of them have been assessed on the Agency List Score as of October 2026, and 19 of those carry a published score.
- Which PR and Communications agency in Greater London, United Kingdom is ranked highest?
- PrettyGreen, with an Agency List Score of 97.2, ranks #1 of 25 assessed agencies in PR and Communications in Greater London, United Kingdom.
- Why are 8 PR and Communications agencies listed here but not ranked?
- 2 of the 27 listed have not yet been assessed on the Agency List Score. A further 6 were assessed and no published evidence of their work was found, so no score is shown for them. They each have a profile and are listed below the ranking, alphabetically, rather than being hidden or mixed into it.
- How is the ranking determined?
- By Agency List Score, within the PR and Communications in Greater London, United Kingdom cohort of 25 assessed agencies. The score is computed from evidence published on each agency's own website: named clients, quantified outcomes, and whether the outcome is attributed to the agency. Paid placement does not affect it.