Email list of companies using Five9
Reach contact centre and CX leaders using Five9 for cloud contact centre, IVA and AI agent assist.
Free Five9 count + 10 sample records
49,886+ companies · 327,452+ contacts available
- ✓Exact count for your titles, regions and company size
- ✓10 verified sample records to check quality
- ✓Price quote within 1 business day
Trusted by B2B and enterprise revenue teams
How many companies use Five9?
Data InfoMetrix tracks 49,886+ companies running Five9 as of October 2026, with 327,452+ verified contacts at those accounts. The largest groups are Healthcare, Financial Services and Retail. Buying decisions usually sit with the VP of Customer Experience, Chief Customer Officer and COO. Counts are estimates built from technology footprint scans, job-post signals and partner directories, checked by our research team. How we count
Organizations detected running Five9.
Direct emails and phone dials for decision-makers.
Full buying committee mapped.
SMTP-verified, with 1:1 replacement of any email that hard bounces within 30 days.
| Technology category | Marketing Automation & Sales Tech |
|---|---|
| Tracked organizations | 49,886+ verified accounts worldwide |
| Decision-maker contacts | 327,452+ records with emails, mobile and direct dials |
| Key roles | VP of Customer Experience, Director of Contact Center, CIO, platform administrators, IT directors, procurement |
| Geography | 180+ countries · country-by-country counts on request |
| Verification | DNS and script telemetry, 5-stage SMTP handshake, manual research |
| Refresh cadence | Continuous, 30–45 day maximum record age at delivery |
| Compliance | GDPR, CAN-SPAM, CCPA and CASL |
| Delivery | 24–48 hours as CSV, XLSX or CRM API |
Researched by the Data InfoMetrix research team. Counts updated October 2026.
How we count and verify dataSee 10 records first
Matched to your ICP filters, free.
Size your Five9 audience
Pick a region, company size and buying role to estimate how many accounts and contacts you can reach.
Estimates from our current Five9 dataset. Exact counts come with your quote.
Reach the whole buying committee
A Five9 account is not one contact. We map the people who evaluate, buy, run and use it across Cloud Contact Center.
These are examples. We build records for any department, seniority or custom title.
See exactly what you get
Every record carries 60+ fields, from verified email, direct dial and LinkedIn to full postal address, Five9 edition, coexisting stack and intent.
We deliver 60+ data fields per record, including intent data. The sample shows a selection only. Tell us which fields you need, including any that aren't listed here, and we'll add them to your list.
How we prove an account runs Five9
No scraped résumés or stale directories. Three layers confirm a live installation before a contact reaches your list. Read our verification protocol
Live DNS & script signals
We inspect response headers, DNS MX and CNAME records and live JavaScript bundles to confirm a running Five9 instance.
DNS · CNAME · MX recordsHTTP headers · JS bundles✓ Verified against live infrastructure90-day hiring signals
We track job requisitions that ask for Five9 skills, which shows ongoing budget and headcount.
Pre-delivery SMTP handshake
Each email is tested against the destination mail server, and titles are checked against current company rosters.
Maximum bounce rate, or we replace the contacts. Your sender reputation stays clean.
Every email that hard-bounces within 30 days of delivery is replaced free, record for record.
Live SMTP and MX checks right before we send your file.
Clean CSV or XLSX, ready for one-click import.
What are you trying to do?
Each campaign needs a different data strategy. Pick your goal to see how we build the audience.
Find companies on rival platforms and reach the people evaluating a move to, or away from, Five9.
Conquesting playbookPitch integrations, add-ons and complementary tools to companies already running Five9.
Ecosystem playbookBuild account lists around Five9 deployment scale and engage the full committee across departments.
ABM playbookKnow the stack around every account
Five9 rarely runs alone. Every record is tagged with the tools detected alongside it, so you can segment by complementary stacks.
Open the coexistence matrixWhat Five9 customers look like
Anonymised profiles of companies in our Five9 dataset of 49,886+ accounts. Named accounts are shared in your free sample, never on a public page.
| Company size | Industry | Country | Employees | Revenue |
|---|---|---|---|---|
| Mid-market | Retail | United Kingdom | 200–999 | $50M–$250M |
| Enterprise | BPOs | United States | 5,000+ | $1B+ |
| Upper mid-market | Healthcare | Canada | 1,000–4,999 | $250M–$1B |
| SMB | Financial Services | Germany | 50–199 | $10M–$50M |
| Enterprise | Retail | United States | 10,000+ | $5B+ |
| Mid-market | BPOs | Australia | 500–999 | $100M–$250M |
| Mid-market | Healthcare | United States | 200–999 | $50M–$250M |
| Enterprise | Financial Services | United States | 5,000+ | $1B+ |
Plus 170 more countries. Ask for a country-by-country count of Five9 accounts and we'll include it with your free sample.
Build the list your way
Every list is assembled from source to your product tier, job function, geography and revenue band. Nothing is a fixed export.
Filter by what they actually run.
Match revenue, size and industry.
Target any territory.
What Five9 teams are struggling with
Know the friction before you reach out, and position your product where it matters.
Moving to cloud contact centres
AI agents and agent assist
Agent attrition
“Data InfoMetrix gave us the exact contact list of teams running competing marketing automation platforms. Our switch campaigns performed brilliantly.”
Five9 list questions, answered
How many companies use Five9?
Data InfoMetrix tracks 49,886 companies using Five9, with 327,452 verified contacts at those accounts as of October 2026. The largest groups are Healthcare, Financial Services and Retail. Counts are estimates from our database and market research, so ask us for a live count for your exact criteria.
Who buys and manages Five9 inside a company?
Five9 is usually owned by Cloud Contact Center. Decision-makers include VP of Customer Experience, Chief Customer Officer and COO; Contact Center Technology Lead and WFM Manager shape the choice, and Contact Center Agents and Supervisors use it day to day. Our Five9 list can include any of these roles.
Which Five9 products or editions can I target?
You can target accounts by the Five9 products they run, including Five9 Intelligent CX Platform, Five9 Intelligent Virtual Agent, Five9 Agent Assist, Five9 Workforce Engagement Management and Five9 Genius AI. Tell us which edition or module matters and we filter the list to those accounts.
What other software do Five9 customers use?
Five9 customers commonly also run Salesforce, ServiceNow, Zendesk, Microsoft 365 and Verint. Five9 is often connected to Microsoft Dynamics, so users of those tools overlap heavily. We can filter any list by this kind of stack overlap.
What are the main alternatives to Five9?
The main alternatives to Five9 are Genesys Cloud, NICE CXone and Talkdesk. We also keep verified user lists for Genesys Cloud, NICE CXone and Talkdesk, which is useful for competitive displacement campaigns.
When are Five9 customers most likely to buy?
Buying triggers we track for Five9 accounts include CCaaS renewal, AI agent rollout, contact center expansion and New VP of CX. A common pain point is moving to cloud contact centres: On-premise systems age out.
Can Data InfoMetrix deliver a free sample Five9 contact list before ordering?
Yes. Data InfoMetrix delivers a complimentary 10-record sample tailored to your target Five9 criteria—including target job titles, company size, and region—delivered within one business day with no obligation.
How does Data InfoMetrix guarantee email deliverability for Five9 contacts?
Data InfoMetrix provides a 99% email deliverability guarantee on all Five9 datasets. Every contact record undergoes real-time email verification within a 30 to 45-day refresh cycle, backed by a 1:1 hard bounce replacement policy for 30 days after delivery.
Sourcing and compliance. Business contacts come from public company sources, professional directories and opt-in publishing partners, then go through SMTP verification and human review. Lists are for B2B outreach: include an unsubscribe link and honour opt-outs (CAN-SPAM), and have a lawful basis such as legitimate interest when you email people in the EU or UK (GDPR). Read how we source and verify data
Get your Five9 users list
Tell us your titles, regions and company size. We'll send counts, a quote and a free 10-record sample.
Related lists
Alternatives to Five9, tools its customers also run, and more Marketing Automation & Sales Tech lists.

