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PubNub is a secure global Data Stream Network (DSN) and API that enables its customers to build, scale, and manage real-time functionality for their applications and IoT devices. It enables software developers to rapidly build and scale real-time apps by providing the cloud infrastructure, connections and key building blocks for real-time interactivity. Developers can build real-time apps like live dashboards and data streams, real-time collaboration, 2nd screen synchronization and machine-to-machine signalling for any device. PubNub utilizes a Publish/Subscribe model for real-time data streaming and device signalling and supports all of the capabilities of WebSockets, Socket.IO, SignalIR, WebRTC Data Channel and other streaming protocols. With PubNub, developers can reduce the cost, complexity and time to deliver real-time experiences.

HQSan Francisco, CA, US
Employee Ratings4
Overall CultureC+

Latest Updates

Employees (est.) (Jul 2021)128(+5%)
Job Openings15
Cybersecurity ratingCMore

Key People/Management at PubNub

Todd Greene

Todd Greene

Founder and CEO
Stephen Blum

Stephen Blum

Founder and CTO
Russ Lemelin

Russ Lemelin

Chief Financial Officer
Casey Clegg

Casey Clegg

Chief Operations Officer
Jonas Gray

Jonas Gray

VP, Business Development
Kevin Talbot

Kevin Talbot

Board Member
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PubNub Office Locations

PubNub has offices in San Francisco, Katowice and London
San Francisco, CA, US (HQ)
460 Bryant St, San Francisco
San Francisco, CA, US
60 Francisco St, San Francisco
Katowice, PL
aleja Roździeńskiego 1a
Katowice, PL
Chorzowska 150 str 5th floor
London, GB
1 Fore St Ave, Barbican
London, GB
51 Eastcheap, Billingsgate
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PubNub Financials and Metrics

Summary Metrics

Founding Date


PubNub total Funding

$69.1 m

PubNub latest funding size

$23 m

Time since last funding

2 years ago

PubNub investors

PubNub's latest funding round in April 2019 was reported to be $23 m. In total, PubNub has raised $69.1 m
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PubNub Operating Metrics

PubNub's Monthly Messages was reported to be 1.3 t in Apr, 2019.
Apr, 2019

Monthly Messages

1.3 t
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PubNub Cybersecurity Score

Cybersecurity ratingPremium dataset



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PubNub Online and Social Media Presence

Embed Graph

PubNub Company Culture

  • Overall Culture



  • CEO Rating



  • Compensation



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PubNub News and Updates

PubNub bets big on India; expands to support the explosive growth of realtime and new economy mobile applications

India is experiencing a rapid digital transformation. Smartphones have grown from five percent market penetration in 2014 to close to 30 percent penetration this year, alongside a rapid drop in cost of data. As a result, India is experiencing explosive growth in real-time applications and services,

PubNub nabs $23M as its IaaS network hits 1.3T messages sent each month

There’s been a huge boom in the last decade of applications and services that rely on on real-time notifications and other alerts as a core part of how they operate, and today one of the companies that powers those notifications is announcing a growth round. PubNub, an infrastructure-as-a-service pr…

PubNub raises $23 million to power data streams for real-time apps and IoT devices

PubNub, a startup that develops the infrastructure to power key features in real-time applications, has raised $23 million.

PubNub Blogs

How to Build a Dating App – 7 Steps to Fit Any Design

There are common underlying technologies for a dating app, and in this post, we’ll talk about the major technologies and designs for building a dating app. The post How to Build a Dating App – 7 Steps to Fit Any Design appeared first on PubNub.

How to Build a Mobile Chat App with PhoneGap/Cordova

How to build a mobile Android chat app with Cordova/PhoneGap and AngularJS, then turn it cross-platform for mobile and web devices. The post How to Build a Mobile Chat App with PhoneGap/Cordova appeared first on PubNub.

HIPAA Technical Safeguards: How To Protect Sensitive Data

HIPAA covered entities must follow the five technical safeguards to achieve HIPAA compliance and prevent data corruption. The post HIPAA Technical Safeguards: How To Protect Sensitive Data appeared first on PubNub.

Guide to the HIPAA Security Rule

A data breach can be a costly and damaging event for companies. Protecting data by adhering to the HIPAA Security Rule is an essential aspect of compliance. The post Guide to the HIPAA Security Rule appeared first on PubNub.

Introducing APNS2 Support for Push Notifications with PubNub

Developers have a more efficient and effective way to build and manage their push notification architecture for Apple devices with new APNS2 support from PubNub. The post Introducing APNS2 Support for Push Notifications with PubNub appeared first on PubNub.

The 18 HIPAA Identifiers: What Data is Protected Under HIPAA?

Understanding HIPAA identifiers is a crucial part of achieving HIPAA compliance if your company stores or transmits protected health information (PHI). The post The 18 HIPAA Identifiers: What Data is Protected Under HIPAA? appeared first on PubNub.
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PubNub Frequently Asked Questions

  • When was PubNub founded?

    PubNub was founded in 2010.

  • Who are PubNub key executives?

    PubNub's key executives are Todd Greene, Stephen Blum and Russ Lemelin.

  • How many employees does PubNub have?

    PubNub has 128 employees.

  • Who are PubNub competitors?

    Competitors of PubNub include SendBird, Ably Realtime and BlazeMeter.

  • Where is PubNub headquarters?

    PubNub headquarters is located at 460 Bryant St, San Francisco, San Francisco.

  • Where are PubNub offices?

    PubNub has offices in San Francisco, Katowice and London.

  • How many offices does PubNub have?

    PubNub has 6 offices.