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Bubblegum Search

Bubblegum Search is a UK SEO and digital PR agency in Surbiton that builds third-party coverage for AI search visibility. It tracks which pages AI platforms cite for a client's buyer questions, runs outreach to win brand mentions on them, and offers white-label delivery to other agencies, with AI SEO packages from about $730 a month plus UK VAT.

Brand mention outreach and digital PR for AI search
Bubblegum Search homepage

Facts

Websitebubblegumsearch.com
HeadquartersSurbiton, England (Companies House)
Founded2016
OwnershipFounder-led
StancePR- and authority-led GEO
Typical buyerUK brands and marketing agencies that want third-party mentions earned on pages AI platforms cite
DeliveryUK boutique, with white-label delivery for agencies
VerticalsB2B SaaS
SpecialtiesDigital PR / Off-site GEO, AEO Measurement / Tooling

Buyers, use cases, price, and similar agencies

Who uses itIts clients are brands and marketing agencies. Its pages target UK buyers, and named clients include the cybersecurity company IDS-INDATA, Shiredoors, Alan David Custom, and Avocor.
What forTeams hire it for brand mention outreach aimed at AI answers, digital PR campaigns that earn links and coverage, and managed SEO, with SourceSignal tracking how often AI platforms mention the client.
PriceBubblegum Search is in the $ band, the lowest of our four monthly cost bands. Nine of the 79 agencies we review are in that band. Its AI SEO packages cost about $730, $1,330, or $2,400 a month plus UK VAT, and digital PR campaigns start at about $1,060 plus UK VAT.
Similar agenciesGenevate, Grizzle, and Embarque are also listed in our GEO agency reviews and are in the $$ monthly cost band. Genevate and Grizzle also work on off-site mentions and PR.

GEO / AEO philosophy

Bubblegum Search treats AI visibility as a reputation problem on other people's websites. It tracks a client's buyer questions across ChatGPT, Google AI Overviews, and other AI platforms, finds the third-party pages those answers draw on, and runs outreach to get the client mentioned on them. Agencies can buy the same work white-label.

The agency argues that mentions have to be earned on third-party pages and that results build over time, so it does not credit one placement with one result. "Authority has to exist beyond your own website," writes Matt Cayless, who founded the agency. Its own SourceSignal report for September 27 to October 26, 2026 shows it mentioned in 12.3% of 4,346 AI answers across 39 buyer questions, with 11 "best agency" lists live. Bubblegum Search publishes these figures itself, from a platform its founder co-founded.

Offering

  • Tracks a client's priority buyer questions and competitor mentions across up to six AI platforms, then investigates the third-party pages that appear in those answers.
  • Prepares the editorial case, contacts the right people, and follows up to earn relevant brand mentions on specialist comparisons, reviews, and roundups, with a monthly report listing every live URL.
  • Runs digital PR campaigns that earn links and coverage in national and trade media, and managed SEO for clients who need technical and content work alongside it.

Editorial scores

We scored the agency on eight dimensions to show a buyer where it is strong and where it is thin. Scores run from 1 to 10. The last column shows each score's difference from the median for all reviewed agencies.

DimensionScoreVs median
Technical GEO5=
Lead generation51
Thought leadership5=
Entity / knowledge graph4=
Local / multi-location3=
Enterprise readiness33
Innovation72
Measurement72

Service mix

We estimated how the agency's work splits across service types, which shows a buyer where its effort goes.

Measurement 10%Digital PR 35%Content 5%GEO / AEO 30%Classic SEO 20%

Best At

  • managed brand mention outreach aimed at the pages AI platforms cite
  • digital PR packages with a guaranteed minimum number of links or mentions
  • white-label AI visibility delivery for marketing agencies

Poor Fit When

  • you need a guaranteed ranking or recommendation in AI answers, which the agency says cannot be promised
  • you need website content creation or a technical rebuild from the AI SEO package, which the agency prices separately
  • you need an enterprise team working across many countries

Clients

NameStatus
IDS-INDATANamed in case study
ShiredoorsNamed client
Alan David CustomNamed client
AvocorNamed client
  • Named client
  • Named in case study

Innovation

Bubblegum Search reports against SourceSignal.ai, a tracking platform its founder co-founded. SourceSignal.ai asks each tracked question again every week across up to nine AI engines and grades the pages AI cites. The agency's packages promise a minimum number of relevant brand mentions each month, 1, 2, or 4, and state that rankings and recommendations in AI answers cannot be guaranteed.

Pricing

Bubblegum publishes its prices in pounds, all plus UK VAT. At about $1.33 to the pound, AI SEO packages run about $730, $1,330, and $2,400 a month for 1, 2, or 4 guaranteed brand mentions, digital PR campaigns start at about $1,060, and integrated digital PR and SEO starts at about $2,400 a month. There is no setup fee and no long-term contract, and one calendar month's notice cancels.

Review Excerpts

Pricing vs Performance Spectrum

GEO Agency Price Versus Performance, 2026
GEO Agency Price Versus Performance, 2026Each point is one directory agency. Vertical position is the mean of eight editorial scores. Horizontal position is a monthly engagement cost band from dollar to four dollars. Published midpoints appear in tooltips when available. Default labels mark score outliers only; other names appear on hover.45678Average Editorial Score$$$$$$$$$$Typical monthly engagement costBubblegum Search

Practice timeline

March 2016

Bubblegum Search Limited is incorporated in England on March 9.

November 2024

Bubblegum Search begins SEO and digital PR work for IDS-INDATA.

December 2024 to March 2026

IDS-INDATA's inbound form submissions rise from 46 to 136 against the earlier period.

Swipe left or right to see the full timeline.

April to September 2026

Bubblegum Search's own brand mentions in AI answers grow from zero.

September 27 to October 26, 2026

SourceSignal tracking shows Bubblegum Search mentioned in 12.3% of 4,346 AI answers.

Swipe left or right to see the full timeline.

Agency Leadership

NameTitleBackground
Matt CaylessFounder and DirectorHas worked in SEO for more than 15 years, earlier at Jellyfish and iCrossing, and has spoken at BrightonSEO and the Digital PR Summit. He also co-founded SourceSignal.ai.

Evidence

TypeDescriptionSource
Figures reported by the agencyIDS-INDATA's referring domains rose from 24 to 150, and its form submissions from 46 (March 2023 to November 2024) to 136 (December 2024 to March 2026).Bubblegum Search IDS-INDATA case study
Method and productSourceSignal.ai, co-founded by Matt Cayless, tracks buyer questions across up to nine AI engines and offers a free Visibility Scorecard and a 14-day trial.SourceSignal.ai homepage

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