About Posterous
Posterous is a Media & Entertainment company based in San Francisco (United States) founded in 2008, and was acquired by Twitter in March 2012. It operates as an online blogging is enabled for users via email with attachments. Posterous has raised $10.14 million across 4 funding rounds from investors including Icon Ventures, Redpoint Ventures and Trinity Ventures. Posterous has completed 1 acquisition, including Slinkset. The company was acqui-hired. Its focus areas include Digital Publishing Platforms, Blogging and Horizontal. Its competitors include Medium, FANDOM, Bloglovin', Spectee and Jianshu and 3 more; 8 of its 8 listed competitors have raised funding.
Company details
Posterous was founded in 2008 in San Francisco, United States, as an online platform in the digital media sector. Blogging services are provided to users, allowing posts to be created by sending emails that include attachments such as photos, MP3s, documents, and videos. Custom domains or subdomains owned by users can be integrated through DNS configuration for personalized site management.
- Headquarters San Francisco, United States
- Stage Acquired
- SectorsMedia & Entertainment
- Website posterous.com
- Social LinkedIn X
- Acquired by Twitter (Mar 2012)
- Total Equity Funding$10.14M (USD)
in 4 rounds
- Latest Funding Round$5M (USD), Series B
Sep 2011
- InvestorsIcon Ventures
& 15 more
- Investments & Acquisitions
- Acquired byTwitter
(Mar 2012)
Funding Insights of Posterous
Posterous has successfully raised a total of $10.14M across 4 strategic funding rounds. The most recent funding activity was a Series B round of $5 million completed in September 2011. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $10.14M
- Total Rounds 4
- Last Round Series B — $5M
- First Round $15,000
(May 2008)
- Investors Count 15
All 4 funding rounds of Posterous with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Sep 2011 | $5M | Series B | – | Redpoint Ventures, Icon Ventures | – |
| Mar 2010 | $4.4M | Series A | – | Redpoint Ventures, Trinity Ventures | |
| Dec 2008 | $725,000 | Seed | – | Satish Dharmaraj, Eric Hahn | |
| May 2008 | $15,000 | Seed | – | Y Combinator | – |
16 investors in total: 10 institutional and 6 angel.
Investors in Posterous
Posterous has secured backing from 16 investors, including venture fund, angel, and institutional investors. Prominent investors backing the company include Icon Ventures, Redpoint Ventures and Trinity Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Redpoint Ventures is engaged in venture capital investments. | – | redpoint.com | Woodside, United States | |
Sector-agnostic growth stage VC investment company funding companies in the US and Asia | 1992 | iconventures.com | Palo Alto, United States | |
Venture capital firm investing in early-stage technology and real estate companies. | – | trinityventures.com | - | |
Early-stage investments are provided to transformative technology companies. | – | svangel.com | San Francisco, United States | |
Venture capital firm focused on tech sectors | – | foundercollective.com | Cambridge, United States | |
VC & PE firm | – | lowercasecapital.com | San Francisco, United States | |
VC firm investing in early stage startups in the US | – | xg-ventures.com | Menlo Park, United States | |
Investments in technology startups are made by Felicis Ventures. | – | felicis.com | Menlo Park, United States | |
Early-stage startups are accelerated via funding and educational programs. | – | ycombinator.com | Mountain View, United States | |
Social platform for microblogging | – | twitter.com | San Francisco, United States |
Investor details for Posterous
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
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Investments & Acquisitions by Posterous
Posterous has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Slinkset.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
White label social news platform is provided by Slinkset. | slinkset.com | San Francisco, United States | 2008 | Jun 2009 | •••• |
Complete acquisition details for Posterous
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Timeline of Posterous
Competitors of Posterous
Posterous has 8 listed competitors in our database, 8 of them funded. They include Medium, FANDOM, Bloglovin', Spectee and Jianshu, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| medium.com | 2012 | San Francisco, United States | $162.97M | 121 | Online platform allows users to read and write blogs | |
| fandom.com | 2005 | San Francisco, United States | $309.44M | 199 | Online social platform for media enthusiasts | |
| bloglovin.com | 2008 | New York, United States | $11.06M | – | Blogs are aggregated for discovery and following by users. | |
| spectee.com | 2014 | Tokyo, Japan | $12.32M | – | Spectee is focused on crisis management through data visualization. | |
| jianshu.com | 2013 | Shanghai, China | $12.71M | – | Articles are written and published by users on diverse topics. | |
| getamen.com | 2011 | Berlin, Germany | $3M | – | Mobile app to voice opinions | |
| posthaven.com | 2013 | San Francisco, United States | $120,000 | – | SaaS and app-based blogging platform | |
| gemshare.com | 2012 | San Francisco, United States | $1.2M | – | Online platform sharing content on multiple categories |
Detailed competitors of Posterous
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
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Web traffic of Posterous
The website of Posterous (posterous.com) receives about 1.2K visits a month.
- Monthly visits1.2K
▼ 58.9% vs previous month
Websites whose visitors overlap most with Posterous. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| tumblr.com | 100% | 139.2M | #256 | View details | |
| twitter.com | 100% | – | – | View details | |
| posthaven.com | 98% | 115.3K | #274,480 | View details | |
| ping.fm | 98% | 213.8K | #225,739 | View details | |
| friendfeed.com | 95% | – | – | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 25 similar websites and full traffic analytics for Posterous
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- 25 similar websites
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Top companies in Digital Media & Publishing Platforms
10 companies that operate in the same segment as Posterous (Digital Media & Publishing Platforms), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Content is shared and discussed across user-driven communities. | 2005 | San Francisco, California, United States | USD 1.62 B | – | – | |
Online platform for creating graphic images | 2012 | Surry Hills, New South Wales, Australia | USD 589.22 M | USD 668.78 M | 20,257 | |
Reward-based crowdfunding is facilitated for content creators and musicians. | 2013 | San Francisco, California, United States | USD 412.1 M | – | 1,218 | |
Subscription-based platform for publishers' content management is provided. | 2017 | San Francisco, California, United States | USD 189.5 M | USD 1.45 M | 4,285 | |
An audio streaming platform for series and stories is operated. | 2018 | Bengaluru, Karnataka, India | USD 196.66 M | USD 30.62 M | 1,044 | |
Platform connecting readers and writers, offering digital literature in multiple languages | 2014 | Bengaluru, Karnataka, India | USD 92.65 M | USD 6.84 M | 162 | |
Native advertising solutions are delivered via a cloud-based content platform. | 2006 | New York, New York, United States | USD 403.72 M | USD 1.3 B | 1,800 | |
Online storytelling platform | 2006 | Toronto, Ontario, Canada | USD 117.82 M | – | – | |
Online platform allows users to read and write blogs | 2012 | San Francisco, California, United States | USD 162.97 M | – | – | |
Ad network platform is utilized for content recommendations and monetization. | 2007 | New York, New York, United States | USD 160 M | USD 1.91 B | 2,024 |
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Related news about Posterous
Complete news archive for Posterous
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Frequently Asked Questions about Posterous
Posterous was founded in 2008.
Posterous is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Posterous is a funded company, having raised a total of $10.14M across 4 funding rounds to date. The company's 1st funding round was a Seed of $15K, raised on May 2008.
Posterous was founded in 2008 in San Francisco, United States, as an online platform in the digital media sector. Blogging services are provided to users, allowing posts to be created by sending emails that include attachments such as photos, MP3s, documents, and videos. Custom domains or subdomains owned by users can be integrated through DNS configuration for personalized site management.
Posterous has made 1 acquisition, including Slinkset.
Posterous has 16 investors. Key investors include Icon Ventures, Redpoint Ventures, Trinity Ventures, SV Angel, and Founder Collective.
Yes. Posterous was acquired by Twitter in March 2012.