EDC vs Lewis & Barrow:Which is more popular?
In September 2026, EDC and Lewis & Barrow were level in searches among Christchurch civil and structural engineering consultancies in New Zealand, with an estimated 30 branded searches each, at 1.5% of the total each. When we asked ChatGPT and Google AI Overviews about Christchurch civil and structural engineering consultancies, Lewis & Barrow appeared in two of the three answers and EDC in none.
Who do people search for more?
EDC and Lewis & Barrow are searched for about as often as each other.
Who does AI mention more?
Lewis & Barrow, mentioned in 2 of 3 answers, EDC in 0
Who does AI recommend more?
Lewis & Barrow, the only one of the two named
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Top Christchurch civil and structural engineering consultancies in ChatGPT and Google AI Overviews
In three ChatGPT questions, Lewis & Barrow was mentioned in two out of three: in two of the three ChatGPT answers. EDC did not appear in any of the three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Beca1st- Lewis & Barrow2nd
- Lewis Bradford3rd
Engenium4th
Engco–
EDC–
HFC Group–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Beca3 of 3Named in 3 of 3 ChatGPT answers
- Lewis Bradford2 of 3Named in 2 of 3 ChatGPT answers
- Lewis & Barrow2 of 3Named in 2 of 3 ChatGPT answers
- Engenium1 of 3Named in 1 of 3 ChatGPT answers
- Engco0 of 3Named in 0 of 3 ChatGPT answers
- EDC0 of 3Named in 0 of 3 ChatGPT answers
- HFC Group0 of 3Named in 0 of 3 ChatGPT answers
See every answer about Christchurch civil and structural engineering consultancies
3 answers
Asked ChatGPT
“Which civil and structural engineering consultancy should I hire in Christchurch, New Zealand?”
Asked ChatGPT
“What are the best civil and structural engineering consultancies in Christchurch, New Zealand?”
Asked ChatGPT
“What's the best civil and structural engineering consultancy in Christchurch, New Zealand for a building project?”
Searched Google, AI Overview
“civil engineering christchurch”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“structural engineers christchurch”
Google showed no AI Overview for this search.
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.
Is EDC or Lewis & Barrow more popular in search?
This chart shows how often people search Google for EDC and Lewis & Barrow by name. Each line represents a brand's share of searches for all seven Christchurch civil and structural engineering consultancies we track, month by month, from searches in New Zealand.
Share of searches by month for EDC, Lewis & Barrow. The figures are in the table below the chart.
View monthly share of searches table
| Month | Beca | Engco | Engenium | Lewis Bradford | EDC | Lewis & Barrow | HFC Group |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 76.2% | 8.1% | 5.7% | 5.2% | 1.4% | 2.4% | 0.95% |
| Nov 2025 | 78% | 8.3% | 4.9% | 5.4% | 1.5% | 1.5% | 0.49% |
| Dec 2025 | 75.8% | 8.3% | 4.5% | 5.3% | 1.5% | 3.8% | 0.76% |
| Jan 2026 | 80.7% | 5.6% | 6.2% | 3.1% | 1.2% | 1.9% | 1.2% |
| Feb 2026 | 80.8% | 7.1% | 4% | 4.5% | 1.5% | 1.5% | 0.51% |
| Mar 2026 | 79.2% | 7.1% | 5% | 3.8% | 1.3% | 2.1% | 1.7% |
| Apr 2026 | 74.4% | 9.8% | 3.7% | 7.9% | 1.4% | 1.4% | 1.4% |
| May 2026 | 76.9% | 8.2% | 5.3% | 5.3% | 1.4% | 1.4% | 1.4% |
| Jun 2026 | 76.9% | 8.2% | 5.8% | 4.3% | 1.4% | 1.4% | 1.9% |
| Jul 2026 | 80.9% | 7.2% | 4.3% | 3.8% | 1.3% | 1.7% | 0.85% |
| Aug 2026 | 79.2% | 7.1% | 6.3% | 2.9% | 1.3% | 1.7% | 1.7% |
| Sep 2026 | 77.7% | 8.3% | 5.8% | 4.4% | 1.5% | 1.5% | 0.97% |
How has the EDC and Lewis & Barrow comparison changed over the last 12 months?
3 findings
- EDC was ahead of Lewis & Barrow in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, EDC’s share of searches among Christchurch civil and structural engineering consultancies in New Zealand moved from 1.4% to 1.5%, and its estimated monthly branded searches held steady at 30.
- Across the 12 months ending September 2026, Lewis & Barrow’s share of searches among Christchurch civil and structural engineering consultancies in New Zealand moved from 2.4% to 1.5%, and its estimated monthly branded searches moved from 50 to 30.
How did search popularity change for New Zealand Christchurch civil and structural engineering consultancies in September 2026?
2 changes
In September 2026, EDC rose from 7th to 5th among Christchurch civil and structural engineering consultancies in New Zealand.
Estimated monthly branded searches for Lewis & Barrow in New Zealand fell 40% over 12 measured months, from 50 to 30 in September 2026.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using EDC’s and Lewis & Barrow’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.
EDC
3 branded search terms
- edc consulting
- edc engineers
- engineering design consultants
Lewis & Barrow
1 branded search term
- lewis and barrow
Other head-to-heads among Christchurch civil and structural engineering consultancies
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