Ranked · 5 of 7 assessed
Ordered by Agency List ScoreMobile apps and AI product features, from architecture through App Store launch
Creates mobile apps, branding, and websites for diverse industries
Custom software development with mobile and web app expertise
Digital development and creative design for mobile and web
Mobile product engineering and AI readiness for scalable solutions
Also in Greater London · 3 not ranked here
1 have not yet been assessed on the Agency List Score. Alphabetical.About this ranking
What this page ranks
This page ranks 5 of the 7 assessed mobile backend and apis agencies in Greater London — the ones carrying a published score — out of 8 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, Mobile Backend and APIs in Greater London. 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 7, so no award can be issued here.
The 1 mobile backend and apis agency not yet assessed is listed on this page but not ranked.
A further 2 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 mobile backend and apis agencies are in Greater London?
- 8 are listed on Agency List in Greater London. 7 of them have been assessed on the Agency List Score as of October 2026, and 5 of those carry a published score.
- Which mobile backend and apis agency in Greater London is ranked highest?
- KeyToTech, with an Agency List Score of 97.0, ranks #1 of 7 assessed agencies in Mobile Backend and APIs in Greater London.
- Why are 3 mobile backend and apis agencies listed here but not ranked?
- 1 of the 8 listed have not yet been assessed on the Agency List Score. A further 2 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 Mobile Backend and APIs in Greater London cohort of 7 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.