ADP RUNPayroll, tax filing and basic HR for small businesses
vs
JustworksBuild your business. Run it on Justworks.
Comparison · Payroll · weekly run Nov 3
ADP RUN vs Justworks
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
ADP RUN is the stronger AI pick in Payroll: it has a visibility score of 12 versus 5.1 for Justworks, and ranks ahead in 100% of the answers that name both.
Choose ADP RUN if…
- You want the brand AI engines rank higher (12 vs 5.1)
- AI answers describe it more positively (50% vs 30% positive)
- You prefer a larger, established vendor (5,000+ employees)
- reliable and highly rated
Choose Justworks if…
- You need IRS CPEO certification (2017) or ESAC accreditation (2020) coverage
- Co-employment PEO model for HR and compliance
- Enterprise-grade health insurance for small companies
- Published per-employee pricing tiers
AI visibility side by side
Latest weekly run · Nov 3
| Metric | ADP RUN | Justworks |
|---|---|---|
| Visibility score | 12% | 5.1% |
| Change vs last week | New | New |
| Rank in Payroll | #11 | #18 |
| Share of voice | 4% | 2.2% |
| Mentions this run | 18 | 10 |
| Positive in AI answers | 50% | 30% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
ADP RUN 0pp · Justworks 0pp over 0 weekly runs.
Engine by engine
ADP RUN leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ADP RUNJustworks
Head to head in AI answers
2 engine answers name both brands
2ADP RUN ranked higher
0Justworks ranked higher
| Prompt | Engine | ADP RUN | Justworks |
|---|---|---|---|
| Compare the leading payroll platforms | Perplexity | #9 | #15 |
| Alternatives to the most popular payroll platform | Perplexity | #5 | #8 |
Features, pricing & fit
| Dimension | ADP RUN | Justworks |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | $8 per seat / mo |
| Free plan | — | No |
| Onboarding fee | — | Included |
| Deployment | Cloud-based | SaaS |
| Integrations | — | 30+ |
| Compliance | — | IRS CPEO certification (2017), ESAC accreditation (2020) |
| Support | Chat support | 24/7 support, Phone support, Chat support, Dedicated HR consulting |
| Founded | — | 2013 |
| Headquarters | Roseland, New Jersey (parent ADP) | New York City, NY |
| Employees | 5,000+ | 1,001–5,000 |
| Funding | — | Series B · $130M raised |
| Best for | Small businesses with 1 to 49 employees | Small businesses that want payroll, benefits, HR and compliance in one platform, with human support. |
Plans side by side
ADP RUN
Pricing not available.
Justworks
Payroll$8per employee per month, plus $50/month base fee
PEO Basic$79per employee per month, no base fee
PEO Plus$124per employee per month, no base fee
Global EOR$599per employee per month, no base fee
Pros and cons
Themes from the AI answers that mention each brand
ADP RUN
- reliable and highly rated
- robust compliance across all 50 states
- scalable for growth
- hands-off automated payroll
- free months promotional offer
Justworks
- Co-employment PEO model for HR and compliance
- Enterprise-grade health insurance for small companies
- Published per-employee pricing tiers
- Outsourced HR administration
- Strong shortlist option for payroll and HR
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “ADP RUN vs Justworks”, https://slateindex.ai/compare/adp-run-vs-justworks, data of Nov 3, 2026. Licence: CC BY 4.0.