List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Mentor Collective, Planet DDS and PlusAI. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$28M
$50M - $100M
449

$200K
$250M - $500M
449

$520M
$250M - $500M
449

$25M - $50M
449

$2.6M
$250M - $500M
449

$250M - $500M
449

$250M - $500M
448

$686M
$250M - $500M
448

$50M - $100M
448

$10M - $25M
448

$250M - $500M
448

$25M - $50M
448

$544M
$1M - $10M
448

$122M
$50M - $100M
448

$100M - $250M
448

$25M - $50M
448

$500M - $1B
447

$100M - $250M
447

$50M - $100M
447

$500M - $1B
447

$100M - $250M
447

$500M - $1B
447

$355M
$100M - $250M
447

$100M - $250M
447

$500M - $1B
447

$971M
$250M - $500M
446

$1B - $10B
446

$50M - $100M
446

$50M - $100M
446

$200M
$100M - $250M
446

$25M - $50M
446

$62M
$250M - $500M
446

$109M
$1B - $10B
446

Thailand, Bangkok
$260M
$250M - $500M
445

$179M
$100M - $250M
445

$100M - $250M
445

$32M
$25M - $50M
445

$2.2B
$100M - $250M
445

$49M
$100M - $250M
445

$250M - $500M
445

Chile, Santiago Metropolitan, Santiago
$1B - $10B
444

$250M - $500M
444

$10M - $25M
444

$112M
$10M - $25M
444

$250M - $500M
444

$250M - $500M
444

$107M
$250M - $500M
444

$17M
$100M - $250M
444

$10M - $25M
444

$100M - $250M
444

$10M - $25M
444

$1B - $10B
444

$100M - $250M
444

$100M - $250M
443

$813M
$250M - $500M
443

$1B - $10B
443

$100M - $250M
443

$250M - $500M
443

$57M
$50M - $100M
443

Estonia, Tallinn
$500M - $1B
443

$49M
$100M - $250M
443

$250M - $500M
443

$100M - $250M
443

$190M
$500M - $1B
442

$25M - $50M
442

$201M
$1M - $10M
442

Malta, Sliema, Sliema
$1M - $10M
442

$10M - $25M
442

$25M - $50M
442

$250M - $500M
442

$112M
$250M - $500M
441

$10M - $25M
441

$578M
$100M - $250M
441

$620M
$250M - $500M
441

$100M - $250M
441

$100M - $250M
441

$6.5M
$25M - $50M
441

$100M - $250M
441

$50M - $100M
441

$174M
$100M - $250M
440

$1M - $10M
440

$350M
$50M - $100M
440

$1B - $10B
440

$500M - $1B
440

$50M - $100M
440

$44M
$250M - $500M
440

$9M
$100M - $250M
440

$10M - $25M
440

$100M
$250M - $500M
439

$250M - $500M
439

$250M - $500M
439

$55K
$50M - $100M
439

$250M - $500M
439

$25M - $50M
439

$250M - $500M
439

$500M - $1B
439

$10M - $25M
438

$100M - $250M
438

$25M - $50M
438

$100M - $250M
438

About companies using Slack

Why target companies using Slack?

Slack is a Collaboration & productivity technology. The office suite, chat and project tools a company standardizes on decide which integrations and add-ons fit. Companies on the list include Mentor Collective, Planet DDS and PlusAI.

Which industries use Slack the most?

Among companies using Slack on LeadIQ, the most common industries are Software Development, IT Services and IT Consulting, Financial Services, Technology, Information and Internet, Advertising Services and Higher Education. Narrow your list to the industry you sell into from there.

Where are companies using Slack located?

Companies using Slack are most often headquartered in the United States, the United Kingdom, Canada, France, Germany and Australia.

What other Collaboration & productivity technologies do companies use?

Prospecting the wider Collaboration & productivity space? Related technologies with their own company lists include Microsoft 365, Google Workspace, Microsoft SharePoint and Microsoft Teams.

How do I reach decision makers at companies using Slack?

Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.

Insights based on LeadIQ data refreshed in September 2026.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.