ADP vs Justworks:Which is more popular?
In September 2026, ADP had more branded searches than Justworks among PEO services in the United States. ADP had about 18,100 branded searches, while Justworks had 1,810. ADP made up 7.6% of all PEO service searches we track, and Justworks accounted for 0.76%. When we asked ChatGPT and Google AI Overviews about PEO services, ADP appeared in all four answers and Justworks in three. Justworks was mentioned before ADP in three out of four answers.
Who do people search for more?
ADP, about 10 searches for every 1 for Justworks
Who does AI mention more?
ADP, mentioned in every answer we collected
Who does AI recommend more?
Justworks, named ahead of ADP in 3 of 4 answers
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Top PEO services in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, ADP appeared in all four answers. Justworks was mentioned in three out of four: in all three ChatGPT answers, but not in the Google AI Overview. Justworks was listed before ADP in three out of four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Justworks1st
- ADP2nd
TriNet3rd
Insperity4th
Paychex5th
Rippling6th
CoAdvantage–
Engage PEO–
G&A Partners–
Vensure–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Insperity4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- TriNet4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- ADP4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Justworks3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Rippling2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Paychex2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- CoAdvantage0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Engage PEO0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- G&A Partners0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Vensure0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
See every answer about PEO services
4 answers
Asked ChatGPT
“Which PEO should I use in the US?”
Asked ChatGPT
“What are the best PEOs in the US?”
Asked ChatGPT
“What's the best PEO in the US for a small business with 20 employees?”
Searched Google, AI Overview
“peo”
Searched Google, AI Overview
“peo services”
Google showed no AI Overview for this search.
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United States on October 22, 2026.
Is ADP or Justworks more popular in search?
This chart shows how often people search Google for ADP and Justworks by name. Each line represents a brand's share of searches for all ten PEO services we track, month by month, from searches in United States.
Share of searches by month for ADP, Justworks. The figures are in the table below the chart.
View monthly share of searches table
| Month | Insperity | TriNet | CoAdvantage | Engage PEO | ADP | G&A Partners | Vensure | Justworks | Rippling | Paychex |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 34.9% | 28.5% | 10.4% | 7% | 10.4% | 4.7% | 2.5% | 0.66% | 0.5% | 0.34% |
| Nov 2025 | 36.1% | 29.5% | 10.8% | 7.2% | 8.9% | 4% | 2.2% | 0.6% | 0.4% | 0.29% |
| Dec 2025 | 38.4% | 25.8% | 9.5% | 7.7% | 9.5% | 5.2% | 2.8% | 0.46% | 0.35% | 0.31% |
| Jan 2026 | 32.8% | 27% | 12.1% | 9.9% | 8.1% | 5.4% | 3.6% | 0.48% | 0.39% | 0.26% |
| Feb 2026 | 39.7% | 26.7% | 9.8% | 6.5% | 8% | 4.4% | 3.6% | 0.55% | 0.36% | 0.32% |
| Mar 2026 | 36.8% | 30.3% | 9.1% | 6.1% | 9.1% | 4% | 3.3% | 0.6% | 0.43% | 0.33% |
| Apr 2026 | 36.1% | 29.7% | 8.9% | 5.9% | 10.8% | 4% | 3.2% | 0.56% | 0.43% | 0.43% |
| May 2026 | 37.5% | 25% | 9.2% | 7.5% | 9.2% | 5% | 5% | 0.8% | 0.41% | 0.36% |
| Jun 2026 | 34.5% | 28.2% | 10.3% | 6.9% | 8.5% | 5.6% | 4.6% | 0.75% | 0.38% | 0.34% |
| Jul 2026 | 38.1% | 25.5% | 9.3% | 7.6% | 9.3% | 5.1% | 3.4% | 0.88% | 0.42% | 0.37% |
| Aug 2026 | 36.7% | 30% | 9% | 7.3% | 7.3% | 4.9% | 3.3% | 0.75% | 0.41% | 0.29% |
| Sep 2026 | 38.1% | 25.5% | 9.3% | 9.3% | 7.6% | 5.1% | 3.4% | 0.76% | 0.55% | 0.37% |
How has the ADP and Justworks comparison changed over the last 12 months?
3 findings
- ADP was ahead of Justworks in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, ADP’s share of searches among PEO services in the United States moved from 10.4% to 7.6%, and its estimated monthly branded searches moved from 27.1K to 18.1K.
- Across the 12 months ending September 2026, Justworks’ share of searches among PEO services in the United States moved from 0.66% to 0.76%, and its estimated monthly branded searches moved from 1.7K to 1.8K.
How did search popularity change for United States PEO services in September 2026?
2 changes
In September 2026, Engage PEO overtook ADP to rank 4th among PEO services in the United States, with 9.3% of the searches.
Estimated monthly branded searches for ADP in the United States fell 33.2% over 12 measured months, from 27.1K to 18.1K in September 2026.
How are branded searches counted?
7 search terms
Brandwave collects information about searches that people make online using ADP’s and Justworks’ 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 PEO services
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