Source for Business vs Wave:Which is more popular?
In September 2026, Wave had more branded searches than Source for Business among business water suppliers in the United Kingdom. Wave had about 2,900 branded searches, while Source for Business had 1,600. Wave made up 4.6% of all business water supplier searches we track, and Source for Business accounted for 2.5%. When we asked ChatGPT and Google AI Overviews about business water suppliers, Source for Business and Wave each appeared in two of the five answers. Source for Business was mentioned before Wave in every answer that named either.
Who do people search for more?
Wave, about 81% more searches than Source for Business
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
Source for Business, named ahead of Wave in 2 of 2 answers
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Top business water suppliers in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Source for Business and Wave were each mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Source for Business was listed before Wave in every answer that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Castle Water3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Water Plus2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Business Stream2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Wave2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Everflow2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Source for Business2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Waterscan0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about business water suppliers
5 answers
Asked ChatGPT
“What's the best business water supplier in the UK?”
Asked ChatGPT
“Can a small business switch water supplier in England, and is it worth it?”
Asked ChatGPT
“Which business water retailers have the best customer service?”
Searched Google, AI Overview
“business water suppliers”
Searched Google, AI Overview
“business water”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 28, 2026.
Is Source for Business or Wave more popular in search?
This chart shows how often people search Google for Source for Business and Wave by name. Each line represents a brand's share of searches for all seven business water suppliers we track, month by month, from searches in United Kingdom.
Share of searches by month for Wave, Source for Business. The figures are in the table below the chart.
View monthly share of searches table
| Month | Water Plus | Castle Water | Business Stream | Wave | Everflow | Source for Business | Waterscan |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 42.3% | 28.3% | 18.9% | 5.6% | 2% | 2.5% | 0.33% |
| Nov 2025 | 44.1% | 29.4% | 16.1% | 5.9% | 2.1% | 2.1% | 0.34% |
| Dec 2025 | 43.1% | 28.8% | 19.2% | 4.7% | 1.9% | 1.9% | 0.33% |
| Jan 2026 | 42.3% | 28.3% | 18.9% | 5.6% | 2% | 2.5% | 0.41% |
| Feb 2026 | 42.3% | 28.3% | 18.9% | 5.6% | 2% | 2.5% | 0.41% |
| Mar 2026 | 42.9% | 28.7% | 19.2% | 4.7% | 2.1% | 2.1% | 0.41% |
| Apr 2026 | 42.8% | 28.6% | 19.1% | 4.6% | 2.1% | 2.5% | 0.33% |
| May 2026 | 43% | 28.7% | 19.2% | 4.6% | 2.1% | 2.1% | 0.33% |
| Jun 2026 | 42.6% | 28.4% | 19% | 4.6% | 2.5% | 2.5% | 0.41% |
| Jul 2026 | 42.6% | 28.4% | 19% | 4.6% | 2.5% | 2.5% | 0.41% |
| Aug 2026 | 40.4% | 27% | 22% | 4.4% | 2.9% | 2.9% | 0.38% |
| Sep 2026 | 42.5% | 28.4% | 19% | 4.6% | 2.5% | 2.5% | 0.5% |
How has the Source for Business and Wave comparison changed over the last 12 months?
3 findings
- Wave was ahead of Source for Business in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Source for Business’ share of searches among business water suppliers in the United Kingdom held steady at 2.5%, and its estimated monthly branded searches held steady at 1.6K.
- Across the 12 months ending September 2026, Wave’s share of searches among business water suppliers in the United Kingdom moved from 5.6% to 4.6%, and its estimated monthly branded searches moved from 3.6K to 2.9K.
How did search popularity change for United Kingdom business water suppliers in September 2026?
1 change

Estimated monthly branded searches for Wave in the United Kingdom fell 19.4% over 12 measured months, from 3.6K to 2.9K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Source for Business’ and Wave’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.
Source for Business
1 branded search term
- source for business
Wave
1 branded search term
- wave utilities
Other head-to-heads among business water suppliers

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