--- title: "Lebara vs O2: Which is searched more in the United Kingdom?" description: "Is Lebara or O2 more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Mobile networks set in the United Kingdom. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/uk/compare/lebara-uk-vs-o2-uk" publisher: "Brandwave" --- # Lebara vs O2: Which is searched more in the United Kingdom? Is Lebara or O2 more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Mobile networks set in the United Kingdom. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: Lebara and O2 - **Competitive set**: Mobile networks - **Market**: United Kingdom - **Month measured**: Sep 2026 - **Lebara Share of Search**: 4.4% - **O2 Share of Search**: 10.2% ## Is Lebara or O2 more popular in search? - In September 2026, O2 had more branded searches than Lebara among mobile networks in the United Kingdom. O2 had about 468,000 branded searches, while Lebara had 201,000. O2 made up 10.2% of all mobile network searches we track, and Lebara accounted for 4.4%. - O2 was ahead of Lebara in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Lebara’s share of searches among mobile networks in the United Kingdom moved from 4.5% to 4.4%, and its estimated monthly branded searches moved from 246K to 201K. - Across the 12 months ending September 2026, O2’s share of searches among mobile networks in the United Kingdom moved from 10.4% to 10.2%, and its estimated monthly branded searches moved from 577K to 468K. ## Top mobile networks in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Lebara was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. O2 was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. O2 was listed before Lebara in three out of four answers that named either. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Vodafone | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | EE | 2nd | 2 of 3 | 2 of 2 | 4 of 5 | | Three | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | O2 | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | SMARTY | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | Lebara | 6th | 1 of 3 | 2 of 2 | 3 of 5 | | iD Mobile | 7th | 2 of 3 | 1 of 2 | 3 of 5 | | giffgaff | 8th | 2 of 3 | 1 of 2 | 3 of 5 | | Lyca Mobile | 9th | 1 of 3 | 0 of 2 | 1 of 5 | | VOXI | 10th | 2 of 3 | 0 of 2 | 2 of 5 | | Tesco Mobile | 11th | 2 of 3 | 1 of 2 | 3 of 5 | | Sky | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about mobile networks - Asked ChatGPT "Which mobile network should I use in the UK?": 1. EE, 2. Vodafone, 3. O2, 4. Three, 5. VOXI, 6. Tesco Mobile, 7. giffgaff - Asked ChatGPT "What are the best mobile networks and SIM-only providers in the UK?": 1. EE, 2. Vodafone, 3. O2, 4. Three, 5. giffgaff, 6. SMARTY, 7. Lebara, 8. VOXI, 9. iD Mobile, 10. Tesco Mobile - Asked ChatGPT "What's the best SIM-only deal in the UK for lots of data?": 1. Lyca Mobile, 2. iD Mobile, 3. SMARTY, 4. Three, 5. Vodafone - Searched Google, AI Overview "sim only deals": 1. Lebara, 2. Vodafone, 3. EE - Searched Google, AI Overview "best mobile network": 1. EE, 2. Three, 3. Vodafone, 4. O2, 5. SMARTY, 6. iD Mobile, 7. giffgaff, 8. Tesco Mobile, 9. Lebara Not named in any answer: Sky. Brands are listed in the order each answer named them. The answers were collected in United Kingdom on October 22, 2026. ## How did search popularity change for United Kingdom mobile networks in September 2026? - In September 2026, VOXI overtook Lebara to rank 8th among mobile networks in the United Kingdom, with 5.3% of the searches. - In September 2026, O2 gained share of searches among mobile networks in the United Kingdom, from 9% to 10.2%. - Estimated monthly branded searches for Lebara in the United Kingdom fell 18.3% over 12 measured months, from 246K to 201K in September 2026. ## Month by month | Month | Lebara estimated searches | Lebara Share of Search | Lebara rank | O2 estimated searches | O2 Share of Search | O2 rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 246K | 4.5% | 9 | 577K | 10.4% | 4 | | Nov 2025 | 246K | 4.6% | 8 | 695K | 12.9% | 3 | | Dec 2025 | 201K | 4.7% | 8 | 465K | 10.8% | 5 | | Jan 2026 | 246K | 5.5% | 7 | 465K | 10.4% | 5 | | Feb 2026 | 201K | 5.1% | 7 | 383K | 9.8% | 5 | | Mar 2026 | 201K | 4.9% | 8 | 465K | 11.3% | 4 | | Apr 2026 | 201K | 5.1% | 7 | 383K | 9.7% | 5 | | May 2026 | 201K | 5.2% | 7 | 380K | 9.8% | 5 | | Jun 2026 | 201K | 5.3% | 7 | 380K | 9.9% | 5 | | Jul 2026 | 201K | 5.3% | 7 | 383K | 10.1% | 5 | | Aug 2026 | 201K | 4.7% | 8 | 383K | 9% | 5 | | Sep 2026 | 201K | 4.4% | 9 | 468K | 10.2% | 5 | ## How each brand is measured Brandwave collects information about searches that people make online using Lebara’s and O2’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **Lebara**: Measured on the search term “lebara”. - **O2**: Measured on the search terms “o2” and “o2 uk”, summed into one figure. - [Lebara profile](/demand/uk/brands/lebara-uk) - [O2 profile](/demand/uk/brands/o2-uk) - [All mobile networks in the United Kingdom](/demand/uk/categories/uk-mobile-networks): The set both shares are measured inside, 12 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Lebara or O2 more popular in search? In September 2026, O2 had more branded searches than Lebara among mobile networks in the United Kingdom. O2 had about 468,000 branded searches, while Lebara had 201,000. O2 made up 10.2% of all mobile network searches we track, and Lebara accounted for 4.4%. ## Cite this page Brandwave. "Lebara vs O2: Which is searched more in the United Kingdom?". https://gobrandwave.com/demand/uk/compare/lebara-uk-vs-o2-uk This page is also available as HTML at https://gobrandwave.com/demand/uk/compare/lebara-uk-vs-o2-uk. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.