Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DE
Apollo.io VS Clay_
As of 4 November 2026, Clay is named by 919 companies and Apollo.io by 1,052; Apollo.io skews to companies under 200 people (70% vs 66%), Clay to companies over 1,000 (10% vs 8%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Apollo.io's script and mail records show on hundreds of thousands of small sites, Clay rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apollo.io: 2–200 employees
- 70%
- Clay: 2–200 employees
- 66%
- Apollo.io: 1,000+ employees
- 8%
- Clay: 1,000+ employees
- 10%
- Postings per company, 90 days
- 1.5 · 1.5
- Website or DNS footprint
- 15,196 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Apollo.io | share | Clay | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 51 | 5% | 49 | 5% | even |
| 2-10 employees | 222 | 21% | 181 | 20% | even |
| 11-50 employees | 263 | 25% | 226 | 25% | even |
| 51-200 employees | 253 | 24% | 199 | 22% | Apollo.io |
| 201-500 employees | 129 | 12% | 104 | 11% | even |
| 501-1000 employees | 49 | 5% | 66 | 7% | Clay |
| 1001-5000 employees | 61 | 6% | 76 | 8% | Clay |
| 5001-10000 employees | 10 | 1% | 11 | 1% | even |
| 10,001+ employees | 14 | 1% | 7 | 1% | even |
| Segment | Apollo.io | share | Clay | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 650 | 62% | 651 | 71% | Clay |
| Business & finance services | 233 | 22% | 146 | 16% | Apollo.io |
| Manufacturing & industry | 41 | 4% | 26 | 3% | even |
| Consumer services & leisure | 27 | 3% | 24 | 3% | even |
| Media & content | 27 | 3% | 27 | 3% | even |
| Commerce & trade | 14 | 1% | 8 | 1% | even |
| Transport, logistics & rental | 13 | 1% | 7 | 1% | even |
| Property & construction | 12 | 1% | 6 | 1% | even |
| Utilities & infrastructure | 11 | 1% | 5 | 1% | even |
| Hospitality & travel | 8 | 1% | 4 | 0% | even |
| Automotive | 7 | 1% | – | – | outside top 12 |
| Public, community & associations | 5 | 0% | 8 | 1% | even |
| Health care | – | – | 4 | 0% | outside top 12 |
| Segment | Apollo.io | share | Clay | share | Leans |
|---|---|---|---|---|---|
| United States | 681 | 65% | 646 | 70% | Clay |
| United Kingdom | 77 | 7% | 64 | 7% | even |
| India | 53 | 5% | 11 | 1% | Apollo.io |
| Germany | 43 | 4% | 60 | 7% | Clay |
| Brazil | 24 | 2% | 6 | 1% | even |
| Canada | 19 | 2% | 14 | 2% | even |
| Australia | 17 | 2% | 14 | 2% | even |
| Spain | 12 | 1% | 5 | 1% | even |
| Poland | 10 | 1% | – | – | outside top 12 |
| France | 9 | 1% | 13 | 1% | even |
| Singapore | 8 | 1% | – | – | outside top 12 |
| Netherlands | 7 | 1% | 8 | 1% | even |
| Belgium | – | – | 7 | 1% | outside top 12 |
| Italy | – | – | 7 | 1% | outside top 12 |
| Segment | Apollo.io | share | Clay | share | Leans |
|---|---|---|---|---|---|
| Sales | 1,476 | 66% | 994 | 56% | Apollo.io |
| Business development & strategy | 168 | 7% | 80 | 5% | Apollo.io |
| Marketing & communications | 167 | 7% | 321 | 18% | Clay |
| Software engineering | 79 | 4% | 27 | 2% | even |
| Data & AI | 36 | 2% | 40 | 2% | even |
| IT operations & business systems | 22 | 1% | 21 | 1% | even |
| Human resources | 19 | 1% | 34 | 2% | even |
| Unclassified | 17 | 1% | 3 | 0% | even |
| Customer service & success | 15 | 1% | 6 | 0% | even |
| Product, program & project management | 12 | 1% | 16 | 1% | even |
| Finance & accounting | 8 | 0% | 5 | 0% | even |
| Travel, leisure & events | 7 | 0% | – | – | outside top 12 |
| General management & consulting | 5 | 0% | 10 | 1% | even |
| Administration & office | 4 | 0% | 1 | 0% | even |
| Engineering (non-software) | 4 | 0% | 10 | 1% | even |
| Retail & store operations | 4 | 0% | – | – | outside top 12 |
| Design & UX | 3 | 0% | 2 | 0% | even |
| logistics warehouse and transport | 3 | 0% | 3 | 0% | even |
| social care and community | 3 | 0% | – | – | outside top 12 |
| manufacturing and production | 2 | 0% | 1 | 0% | even |
| skilled trades and field service | 2 | 0% | 1 | 0% | even |
| Legal, compliance & risk | 1 | 0% | – | – | outside top 12 |
| procurement and purchasing | 1 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 1 | 0% | – | – | outside top 12 |
| research and science | – | – | 3 | 0% | outside top 12 |
| Education & training | – | – | 2 | 0% | outside top 12 |
The companies behind each column
Companies using Apollo.io →
Companies using Clay →
B2B data & intent ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Clay is named by 919 companies in job postings and Apollo.io by 1,052; 363 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/apollo-io-vs-clay)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Apollo.io vs Clay: questions
Which is more used, Apollo.io or Clay?
By companies naming it in their own job postings, Apollo.io (1,052) over Clay (919). By website-and-DNS footprint, Apollo.io (15,196 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apollo.io?
70% of Apollo.io companies have 2 to 200 employees, against 66% for Clay. 8% of Apollo.io companies have over 1,000 employees, against 10% for Clay.
Do companies run both?
363 companies name both in their postings, usually Apollo.io in marketing and Clay in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
Get either list your way
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