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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, US
Employee Ratings4.3

Latest Updates

Employees (est.) (Jul 2020)108
Job Openings5
Cybersecurity ratingBMore

Key People/Management at PubNub

Todd Greene

Todd Greene

Founder & CEO
Russ Lemelin

Russ Lemelin

Chief Financial Officer
Stephen Blum

Stephen Blum

Founder & CTO
Casey Clegg

Casey Clegg

Chief Revenue Officer
James Hamilton

James Hamilton

VP Operations & Controller
Jonas Gray

Jonas Gray

VP Business Development
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PubNub Office Locations

PubNub has offices in San Francisco, Katowice and London
San Francisco, US (HQ)
460 Bryant St, San Francisco
Katowice, PL
Chorzowska 150 str 5th floor
London, GB
1 Fore St Ave, Barbican
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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

a year 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

1.30 t
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PubNub Cybersecurity Score

Cybersecurity ratingPremium dataset



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PubNub Online and Social Media Presence

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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

AngularJS 101: From Zero to Angular in Seconds

AngularJS 101: From zero to angular in 60 seconds (ie. 99 lines of code). Full tutorial and all the code you need. The post AngularJS 101: From Zero to Angular in Seconds appeared first on PubNub.

What Is HIPAA? Understanding Business Compliance Requirements

The Health Insurance Portability And Accountability Act (HIPAA) protects patient health data. Learn how HIPAA affects your business and how to stay compliant. The post What Is HIPAA? Understanding Business Compliance Requirements appeared first on PubNub.

HIPAA Violation Examples

HIPAA violations can be financially expensive and devastating to a brand. Examine some examples of HIPAA violations, and learn about avoiding them in your own organization. The post HIPAA Violation Examples appeared first on PubNub.

How to Build an Android iBeacon [Updated] 1/3

An overview of how to build an Android beacon (ie. iBeacon), including indepth tutorials on building the emitter (publisher) and detector (listener). The post How to Build an Android iBeacon [Updated] 1/3 appeared first on PubNub.

Internet of Things Tutorial | Get Started w/ Raspberry Pi

A tutorial of Internet of Things 101 with Raspberry Pi and PubNub real-time data stream to create prototypes of your dreams. The post Internet of Things Tutorial | Get Started w/ Raspberry Pi appeared first on PubNub.

Announcing PubNub Chat: Our Flexible Chat SDK for Powerful In-App Chat

Build in-app chat features for mobile and web with our easy-to-use and flexible messaging APIs, reference app, and documentation. The post Announcing PubNub Chat: Our Flexible Chat SDK for Powerful In-App Chat 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, Russ Lemelin and Stephen Blum.

  • How many employees does PubNub have?

    PubNub has 108 employees.

  • Who are PubNub competitors?

    Competitors of PubNub include Ably Realtime, BlazeMeter and Monterosa Productions.

  • 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 3 offices.