A representative sample of 30 queries from the full 300-prompt research set, showing which businesses were mentioned by each LLM. ✓ = mentioned, ✗ = not mentioned. Sorted by query volume relevance.
| Query | Category | ChatGPT Pebble |
Google AIO Pebble |
Perplexity Pebble |
Top Businesses Mentioned |
|---|---|---|---|---|---|
| Best investment platform UK 2026 | General | ✗ | ✗ | ✗ | Hargreaves Lansdown, Vanguard, AJ Bell, Nutmeg, Wealthify |
| Best stocks and shares ISA | ISA | ✗ | ✗ | ✗ | Vanguard, AJ Bell, Hargreaves Lansdown, Nutmeg |
| Best ESG investment platform UK | ESG | ✓ | ✓ | ✗ | Nutmeg, Wealthify, Pebble, Tickr |
| Ethical investment apps UK | Ethical | ✓ | ✓ | ✓ | Wealthify, Pebble, Tickr, Moneybox |
| Cheapest investment platform UK | Cost | ✗ | ✗ | ✗ | Vanguard, InvestEngine, Trading 212, AJ Bell |
| Sustainable investing for beginners | Sustainable | ✓ | ✗ | ✗ | Nutmeg, Pebble, Wealthify |
| Nutmeg vs Wealthify comparison | Comparison | ✓ | ✗ | ✗ | Nutmeg, Wealthify, Pebble (brief mention) |
| Best investment app for young people | App-based | ✓ | ✓ | ✗ | Moneybox, Pebble, Trading 212, Freetrade |
| How to invest in ESG funds UK | ESG | ✓ | ✗ | ✗ | Nutmeg, Pebble, Royal London, Vanguard ESG |
| Best robo-advisor UK | Robo | ✗ | ✗ | ✗ | Nutmeg, Wealthify, Moneyfarm, Wealthsimple |
| Impact investing platforms UK | Ethical | ✓ | ✓ | ✓ | Pebble, Tickr, Triodos, Abundance |
| Best Lifetime ISA providers | ISA | ✗ | ✗ | ✗ | Nutmeg, AJ Bell, Moneybox, Hargreaves Lansdown |
| Green investment options UK 2026 | Sustainable | ✓ | ✓ | ✗ | Triodos, Pebble, Abundance, Nutmeg |
| Best investment platform low fees | Cost | ✗ | ✗ | ✗ | Vanguard, InvestEngine, Trading 212, Freetrade |
| ESG ISA UK | ESG | ✓ | ✓ | ✓ | Pebble, Nutmeg, Wealthify |
| Is Pebble a good investment platform? | Brand | ✓ | ✓ | ✓ | Pebble (primary), Nutmeg, Wealthify (comparison) |
| Best investment platform for ISA 2026 | ISA | ✗ | ✗ | ✗ | Hargreaves Lansdown, Vanguard, AJ Bell, Nutmeg |
| Socially responsible investing UK | Ethical | ✓ | ✗ | ✗ | Nutmeg, Pebble, Royal London, Triodos |
| Best returns on investment UK | Returns | ✗ | ✗ | ✗ | Vanguard, Fundsmith, Scottish Mortgage, Hargreaves Lansdown |
| Pebble vs Nutmeg | Comparison | ✓ | ✓ | ✓ | Pebble, Nutmeg (both detailed) |
| How to start investing UK | General | ✗ | ✗ | ✗ | Vanguard, Hargreaves Lansdown, Nutmeg, Trading 212 |
| Climate-friendly investments UK | Sustainable | ✓ | ✓ | ✗ | Pebble, Triodos, Abundance, Tickr |
| Best managed funds UK | Funds | ✗ | ✗ | ✗ | Fundsmith, Baillie Gifford, Vanguard LifeStrategy |
| Ethical pension options UK | Pension | ✗ | ✗ | ✗ | PensionBee, Nutmeg, Aviva, Scottish Widows |
| Wealthify review 2026 | Competitor | ✗ | ✗ | ✗ | Wealthify (primary), Nutmeg, Moneybox (comparison) |
| Best investment platform for small amounts | App-based | ✓ | ✗ | ✗ | Moneybox, Pebble, Trading 212, Wealthify |
| UK fintech investment platforms | General | ✓ | ✗ | ✗ | Nutmeg, Moneybox, Pebble, Freetrade, Wealthify |
| Best investment app no experience needed | App-based | ✓ | ✓ | ✗ | Moneybox, Wealthify, Pebble, Nutmeg |
| Pebble investment review | Brand | ✓ | ✓ | ✓ | Pebble (primary) |
| Net zero investment portfolio UK | Sustainable | ✓ | ✓ | ✓ | Pebble, Triodos, Make My Money Matter |
Verbatim excerpts from AI responses showing exactly how each platform discusses Pebble and its competitors. These examples illustrate the framing, context, and positioning that AI applies.
Each pillar includes the detailed finding and a specific improvement pathway.
Pebble received 79 mentions across 300 prompts. ChatGPT accounts for 61% of mentions (48), Google AIO for 28% (22), and Perplexity for 11% (9). The ChatGPT concentration is both a strength and a risk — it means Pebble's visibility is heavily dependent on a single platform.
Improvement pathway: To increase mentions across all platforms, Pebble needs to be present in the sources that each LLM draws from. Google AIO leans heavily on review sites (Boring Money, Which?) and structured content (FAQ pages with schema). Perplexity relies on recent, high-authority editorial content. Targeting these source types specifically will improve cross-platform mention counts.
Pebble is recommended (not just mentioned) in 26% of ESG-specific queries — a strong conversion rate within its niche. But in general investment queries, the recommendation rate drops to just 4%. Being mentioned is step one; being recommended requires AI to view Pebble as a credible answer to the specific question asked.
Improvement pathway: The comparison page strategy (Pebble vs Nutmeg vs Wealthify) directly addresses this. AI generates recommendations by synthesising comparison data. If Pebble controls the comparison narrative with its own data, the recommendation rate in comparison queries will increase. Additionally, case studies with specific outcomes ("Pebble grew ESG portfolio by X%") give AI evidence to back recommendations.
This is Pebble's strongest pillar. When AI talks about Pebble, it's consistently positive. Common frames include "growing ethical investment platform", "focused on sustainability", and "user-friendly app". No negative sentiment was detected. The qualifiers "newer" and "smaller" are factually accurate but limit authority perception.
Improvement pathway: To shift from "growing" to "established", Pebble needs longevity signals: press coverage that treats it as a market participant (not a startup), Trustpilot review volume, awards or industry recognition, and performance data. The "newer" qualifier will naturally fade as the business matures, but press coverage and case studies can accelerate this.
pebble.co.uk is cited 12 times directly — modest but meaningful. 14 third-party sources reference Pebble. Compare this to Nutmeg's 112 direct domain citations and it's clear the gap is substantial. Source authority is built over time through consistent, high-quality content and third-party validation.
Improvement pathway: Every piece of content on pebble.co.uk should be designed to be citable — with clear data points, structured headings, and specific claims that AI can extract. The blog programme targets 6 new pages, each designed as a potential citation source. Third-party authority comes from review placements (Boring Money, Which?), press coverage, and LinkedIn thought leadership.
Pebble has a clear sustainability positioning, but the language varies by platform. ChatGPT describes it as "sustainable", Google AIO says "ethical", and Perplexity uses "green". These aren't contradictory, but inconsistency weakens the brand signal. AI draws its vocabulary from the sources available — if Pebble's own content consistently uses specific language, AI will follow.
Improvement pathway: Standardise language across pebble.co.uk and all external communications. Choose a primary descriptor ("sustainable investment platform") and use it consistently in page titles, meta descriptions, headings, and PR materials. Secondary descriptors (ethical, ESG, green) can appear in body text but should not compete with the primary positioning.
Pebble sits in the middle of the direct competitor set. The gap to Nutmeg (21 points) requires significant effort but is achievable over 2–3 reporting cycles. The gap to Wealthify (10 points) is closable within H1 if the content programme and review placements land effectively.
Improvement pathway: Focus on overtaking Wealthify first — it's the most realistic near-term target. Wealthify's advantage comes from its Aviva backing and Boring Money presence, not from content quality. A focused content programme that targets the same query categories where Wealthify appears can close this gap.
This is Pebble's weakest area and the single biggest opportunity. Pebble appears in only 4 of 15 query categories: ESG, Ethical, Sustainable, and App-based. It is completely absent from General, ISA, Cost, Returns, Robo, Pension, Funds, Comparison (generic), and Beginner categories — which collectively represent over 60% of investment-related AI queries.
Improvement pathway: The blog content programme directly targets the missing categories. The comparison page addresses the Comparison category. The FAQ page targets Beginner queries. ISA and Cost categories require specific landing pages on pebble.co.uk that clearly present Pebble's ISA products and fee structure in a format AI can extract.
Pebble is present in all three tested LLMs, which is positive — many businesses at the Emerging tier only appear in one or two. However, the distribution is uneven: ChatGPT (48 mentions), Google AIO (22), Perplexity (9). This suggests Pebble's sources are more accessible to ChatGPT's training data than to the other platforms.
Improvement pathway: Google AIO and Perplexity rely more heavily on recent, structured, and review-based content. The Boring Money review, FAQ schema page, and press coverage will disproportionately improve Google AIO and Perplexity scores, balancing the cross-platform distribution.
AI knows Pebble for ESG/ethical investing. It does not reliably know about Pebble's Stocks and Shares ISA, Lifetime ISA, low minimum investments, portfolio management features, or fee structure. This limits the queries where AI can confidently recommend Pebble.
Improvement pathway: Create dedicated landing pages for each product (ISA, LISA, GIA) with clear, structured content. The FAQ page should include questions like "Does Pebble offer a Stocks and Shares ISA?" and "What are Pebble's fees?" — these are exactly the questions AI asks when generating recommendations.
Pebble appears for UK-specific queries, which is correct for a UK-only platform. However, it does not surface for regional queries ("best investment platform London", "financial advisor Edinburgh") or for queries that don't explicitly specify UK.
Improvement pathway: Ensure pebble.co.uk content consistently includes UK geographic signals. Consider regional content or case studies that anchor Pebble to specific UK locations. For international expansion in future, this pillar would need dedicated attention.
This is a positive indicator. Pebble's recent content is being picked up by AI — blog posts from 2026, updated product pages, and recent press mentions are appearing in responses. This shows the content strategy is having an effect, even before optimisation for AI specifically.
Improvement pathway: Maintain consistent publishing cadence. AI platforms are increasingly weighting recency, particularly for financial content where regulations and products change frequently. The 6-article blog programme and LinkedIn strategy will sustain freshness signals throughout H1.
Pebble is not positioned as a category leader in any segment. In ESG investing, Nutmeg is the leader. In ethical investing, Wealthify. In impact investing, Triodos. Pebble is consistently positioned as "one of several options" — a participant, not a leader.
Improvement pathway: Category leadership requires either being the most-mentioned business in a specific query category or being the first recommendation. The most achievable leadership opportunity is "sustainable investment app" — a category where Pebble's pure-play positioning and app-first design could win. Original research and data-backed thought leadership can also establish authority in a specific subcategory.
How information flows from sources into AI recommendations. Understanding the citation chain reveals where to intervene for maximum impact.
| Source Layer | Pebble Present | Nutmeg Present | Wealthify Present | Priority for Pebble |
|---|---|---|---|---|
| Tier 1: Financial Press (FT, This Is Money, Citywire) | 1 source | 5 sources | 3 sources | HIGH |
| Tier 2: Review Platforms (Boring Money, Which?, MoneySavingExpert) | 0 sources | 3 sources | 2 sources | HIGH |
| Tier 3: Community (Reddit, Trustpilot, forums) | 2 sources | 3 sources | 2 sources | MEDIUM |
| Tier 4: Owned Content (company website, blog) | 1 source | 1 source | 1 source | HIGH |
| Tier 5: Social & Professional (LinkedIn, YouTube) | 1 source | 2 sources | 1 source | MEDIUM |
Three ready-to-use content briefs for the highest-priority blog posts. Each brief includes the target query, recommended structure, key points to cover, and competitive context.