Double M Partners
VC Fund
Los Angeles, United States
Double M Partners is a venture capital and investment company that specializes in seed and early stage investments. It seeks to invest in the internet, media, and communications companies whose core offering is in business to business infrastructure, software, infrastructure, security, management platform and/or hardware. The company investsbetween $0.1 million and $0.50 million in its portfolio companies. Double M Partners was founded by Mark Mullen in 2012 and is headquartered in Los Angeles, California.
- Total investments:
- 72
- Last investment:
- Lead investor:
- 10%
- Fund size:
- $18M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Double M Partners invests in
Stages Double M Partners invests in
Countries Double M Partners invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $1M–$3.8M
- Series A
- $2M–$10M
- Series B
- $1.8M–$20M
Investment Focus
Industry
- Software 20 (28%)
- Advertising 10 (14%)
- Mobile 9 (13%)
- Internet 9 (13%)
- SaaS 8 (11%)
Stage
- Seed 27 (38%)
- Series A 23 (32%)
- Series B 4 (6%)
- Convertible Note 4 (6%)
- Venture - Series Unknown 4 (6%)
Country
- United States 46 (64%)
- Canada 2 (3%)
- Australia 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Mark Mullen
Founder & Managing Partner
|
Founder & Managing Partner | Total investments: 105 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| HONK is a roadside assistance platform that provides towing, flatbed towing, exotic car towing, and tire changes. | $18M / Series B / Jun 26, 2018 | ||
| Fama is an AI-based solution that identifies and offers an opportunity to address problematic behavior among potential hires and current employees by analyzing publicly available online information. This type of content can ultimately lead to brand risk and toxic culture, and is often missed in the hiring and management process. | $5M / Series A / Apr 17, 2018 | ||
| Reaction Commerce is a modern and open commerce platform built for the scale and simplicity required by today’s business owners, designers, and developers. Reaction is the first intelligent and easily customizable cloud solution to provide real-time merchandising, pricing and promotions, and live monitoring of conversions. The full-stack platformis internationalized and localized, architected for shops and marketplaces, and is the largest JavaScript commerce project on GitHub, with developer interest growing more than 232 percent year over year. Their managed cloud solution has now seen over 14,000 signups. Reaction Commerce is headquartered in Santa Monica, California. | $8.5M / Series A / Oct 31, 2017 | ||
| Branch is the leading workforce payments platform that helps businesses deliver fast, flexible options for workers to get paid. Whether it’s sending earnings to employees or contractors, companies choose Branch because they know that faster payments can help them strengthen worker loyalty, save time and money, and drive business growth. | $10M / Series A / Aug 02, 2017 | ||
| Trinity Mobile Networks seeks to improve data speed and total network bandwidth for mobile networks. The company develops wireless mesh networking technologies to provide affordable connectivity for its users.Trinity Mobile Networks has developed a new network architecture that improves the performance of mesh networks and an accompanyingandroid application which makes use of its platform. This application allows android devices to receive data through high-quality, inexpensive mesh connections and reduce their reliance on expensive cellular services. | $2.6M / Venture - Series Unknown / Apr 19, 2017 | ||
| Shippabo is an online platform that provides its users with shipping rates and shipment scheduling solutions.The platform offers freight forwarding, government filings, and trucking and drayage services to its users. It features online bookings, online custom bond purchases, real-time notifications, and shipment management.Shippabo waslaunched by Calvin Lo, Nina Luu, Wes Chien, and Sam Luu and is based in California. | $850K / Seed / Feb 16, 2017 | ||
| Reaction Commerce is a modern and open commerce platform built for the scale and simplicity required by today’s business owners, designers, and developers. Reaction is the first intelligent and easily customizable cloud solution to provide real-time merchandising, pricing and promotions, and live monitoring of conversions. The full-stack platformis internationalized and localized, architected for shops and marketplaces, and is the largest JavaScript commerce project on GitHub, with developer interest growing more than 232 percent year over year. Their managed cloud solution has now seen over 14,000 signups. Reaction Commerce is headquartered in Santa Monica, California. | $2.7M / Venture - Series Unknown / Oct 05, 2016 | ||
| Bitium is a Santa Monica-headquartered provider of cloud-based identity and access management solutions, including single sign-on, password management, and analytics for small, medium and enterprise businesses. Founded in 2012, the company aims to give growing companies the ability to manage access to all of their web-based applications --including Google Apps and Office 365, as well as social networks and CRM, collaboration and marketing tools -- in one place without hindering employee adoption of these applications. Organizations such as GroupM, Fullscreen, Movember and Demand Media use Bitium for an easy-to-use solution that delivers increased flexibility and security. Bitium is backed by Polaris Partners, Resolute VC, Double M Partners, Karlin Ventures, Social Leverage and a group of strategic investors in the enterprise cloud space. | $6M / Venture - Series Unknown / Aug 30, 2016 | ||
| PingThings brings real-time big-data technology and an innovative solution to machine-learning for physical systems together to transform the management of the state of the electric utility grid and high-value industrial assets such as GSU transformers and step-down transformers. PingThings' PredictiveGrid technology is designed from theground up with sensor analytics in mind, focusing on storing and manipulating time-series data and modeling complex relationships between synchrophasors' high-resolution signals. | $1.5M / Seed / Jun 30, 2016 | ||
| An intelligent mobile wellness coach starting with students. | $825K / Convertible Note / Apr 26, 2016 | ||
| See all 72 investments → | |||
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FAQ
What does Double M Partners invest in?
Double M Partners invests primarily in Software, Advertising and Mobile startups, most often at Seed and Series A stage. Most of the 72 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Double M Partners's check size?
Double M Partners typically joins rounds of $1M–$3.8M at Seed, $2M–$10M at Series A and $1.8M–$20M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Double M Partners participates in.
How do I contact Double M Partners?
Public channels for Double M Partners include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Double M Partners?
The team at Double M Partners includes Mark Mullen (Founder & Managing Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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