Insights

Enterprise AI Expansion Slack’s deep integration with Salesforce Customer 360 and ongoing AI ecosystem developments (Anthropic Claude Tag in Slack) indicate strong cross-sell opportunities to enterprise customers seeking unified collaboration and AI-assisted workflows.

AI-Powered Collaboration The market shift toward multiplayer AI and proactive AI teammates in Slack chats presents a sales angle to offer elevated productivity enhancements and premium AI capabilities to large teams and departments.

Unified Tech Stack Slack’s use of a broad tech stack (Optimizely, MuleSoft, Workday, HubSpot, etc.) signals receptivity to integrations; opportunities exist to bundle or certify value with complementary enterprise tools to deepen lock-in.

Scale and Adoption With a substantial enterprise footprint (over 1000 employees per customer tier) and multi-department usage, there is potential for expansion into sales, service, and marketing verticals via cross-sell of no-code automation and knowledge-sharing capabilities.

Growth through Partnerships As Slack sits within Salesforce and demonstrates AI ecosystem momentum, there are opportunities to accelerate co-selling and joint go-to-market initiatives with Salesforce-focused teams and AI partners to win larger, more strategic deals.

Similar companies to Slack

Slack Tech Stack

Slack uses 8 technology products and services including Optimizely, SurveyMonkey, Bluebeam, and more. Explore Slack's tech stack below.

Media & News

Slack's Email Address Formats

Slack uses at least 8 email formats:
Slack Email FormatsExamplePercentage
FLast@slack-corp.comJDoe@slack-corp.com
87%
FirstLast@slack-corp.comJohnDoe@slack-corp.com
6%
First.Last@slack-corp.comJohn.Doe@slack-corp.com
5%
First@slack-corp.comJohn@slack-corp.com
2%
Last@slack.comDoe@slack.com
51%
First.Last@slack.comJohn.Doe@slack.com
23%
First@slack.comJohn@slack.com
17%
LF@slack.comDJ@slack.com
9%

Frequently Asked Questions

What is Slack's phone number?

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You can contact Slack's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Slack's stock symbol?

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Slack is a publicly traded company; the company's stock symbol is WORK.

What is Slack's official website and social media links?

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Slack's official website is slack.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Slack generate?

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As of August 2026, Slack's annual revenue is estimated to be $1B - $10B.

What is Slack's SIC code and NAICS code?

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Slack's SIC code is 4899 - Communications Services, Not Elsewhere Classified and NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Slack have currently?

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As of August 2026, Slack has approximately 2.6K employees across 6 continents, including North America, Europe and Asia. Key team members include Chief Nursing Officer: A. C., Chief Information Officer (cio): M. K. and Chief Operating Office: I. C. Explore Slack's employee directory with LeadIQ.

What industry does Slack belong to?

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Slack operates in the Technology, Information and Internet industry.

What technology does Slack use?

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Slack's tech stack includes Optimizely, SurveyMonkey, Bluebeam, Workday, HubSpot, MuleSoft, Salesloft and Ahrefs.

What is Slack's email format?

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Slack's email format typically follows the pattern of FLast@slack-corp.com. Find more Slack email formats with LeadIQ.

How much funding has Slack raised to date?

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As of August 2026, Slack has raised $1.4B in funding. The last funding round occurred on Jan 28, 2019.
Slack logo

Slack

Technology, Information and InternetCalifornia, United States1001-5000 Employees

Slack is a collaboration and productivity platform used by organizations to simplify everyday work, boost efficiency, and keep teams aligned as work moves forward. It supports no‑code automation, makes search and knowledge sharing straightforward, and helps keep colleagues connected throughout the course of projects. As part of Salesforce, Slack is integrated into Salesforce Customer 360, extending its reach across sales, service, and marketing teams. 

Based in San Francisco, Slack operates within the technology, information and internet sector and employs thousands of people. Its customer base comprises businesses seeking to streamline communication and workflows to improve performance through connected collaboration. A recent development noted in the news is DocuSign launching an app for Slack that brings agreement insights and automated workflows into Slack conversations, illustrating Slack’s role within a broader enterprise ecosystem.

Section iconCompany Overview

Phone number
Website
slack.com
SIC Code
4899 - Communications Services, Not Elsewhere Classified
Stock Symbol
WORK
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
1001-5000

Section iconFunding & Financials

  • $1.4B

    Slack has raised a total of $1.4B of funding over 13 rounds. Their latest funding round was raised on Jan 28, 2019 as a Secondary Market.

  • $1B - $10B

    Slack's revenue is estimated to be in the range of $1B - $10B

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