Engine vs Serko:Which is more popular?
In September 2026, Engine and Serko were level in searches among business travel management platforms worldwide, with an estimated 18.1K versus 18.2K branded searches, at 2.1% of the total each. When we asked ChatGPT and Google AI Overviews about business travel management platforms, Engine appeared in two of the five answers and Serko in none.
Who do people search for more?
Serko and Engine are searched for about as often as each other.
Who does AI mention more?
Engine, mentioned in 2 of 5 answers, Serko in 0
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Top business travel management platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Engine was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Serko did not appear in any of the five answers.
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.
Navan5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Perk5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
SAP Concur4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Engine2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Egencia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Serko0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about business travel management platforms
5 answers
Asked ChatGPT
“Which business travel platform should I use?”
Asked ChatGPT
“What are the best business travel platforms?”
Asked ChatGPT
“What's the best business travel platform for a travelling sales team?”
Searched Google, AI Overview
“business travel platform”
Searched Google, AI Overview
“corporate travel management”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Engine or Serko more popular in search?
This chart shows how often people search Google for Engine and Serko by name. Each line represents a brand's share of searches for all six business travel management platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Serko, Engine. The figures are in the table below the chart.
View monthly share of searches table
| Month | Navan | SAP Concur | Egencia | Perk | Serko | Engine |
|---|---|---|---|---|---|---|
| Oct 2025 | 41.1% | 28.6% | 14.5% | 11.8% | 1.6% | 2.4% |
| Nov 2025 | 36.8% | 31.4% | 15.8% | 10.8% | 2.6% | 2.6% |
| Dec 2025 | 36.7% | 37.8% | 13% | 7.3% | 2.6% | 2.6% |
| Jan 2026 | 41.4% | 29.1% | 17.8% | 6.9% | 2% | 2.9% |
| Feb 2026 | 38% | 32.6% | 16.3% | 7.7% | 2.2% | 3.2% |
| Mar 2026 | 39.2% | 33.1% | 16.8% | 6.4% | 1.8% | 2.7% |
| Apr 2026 | 39.4% | 33.1% | 16.9% | 6.5% | 1.8% | 2.2% |
| May 2026 | 43.5% | 30.3% | 15.3% | 5.9% | 2.5% | 2.5% |
| Jun 2026 | 41.6% | 34.7% | 14.7% | 4.7% | 2% | 2.4% |
| Jul 2026 | 45.5% | 31.7% | 13.2% | 4.3% | 2.6% | 2.6% |
| Aug 2026 | 50.3% | 28.8% | 12.1% | 4% | 2.4% | 2.4% |
| Sep 2026 | 44.7% | 30.9% | 15.9% | 4.3% | 2.1% | 2.1% |
How has the Engine and Serko comparison changed over the last 12 months?
3 findings
- The lead changed hands 5 times in the 12 months ending September 2026: Serko took it in November 2025, Engine took it in January 2026, Serko took it in May 2026, Engine took it in June 2026, Serko took it in July 2026.
- Across the 12 months ending September 2026, Engine’s share of searches among business travel management platforms worldwide moved from 2.4% to 2.1%, and its estimated monthly branded searches moved from 22.2K to 18.1K.
- Across the 12 months ending September 2026, Serko’s share of searches among business travel management platforms worldwide moved from 1.6% to 2.1%, and its estimated monthly branded searches moved from 15K to 18.2K.
How did search popularity change for business travel management platforms worldwide in September 2026?
2 changes
How are branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Engine’s and Serko’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.
Other head-to-heads among business travel management platforms
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