2021 Best Tech Startups in Alexandria

Powered by CrunchbaseThe Tech Tribune staff has compiled the very best tech startups in Alexandria, Virginia. In doing our research, we considered several factors including but not limited to:

  1. Revenue potential
  2. Leadership team
  3. Brand/product traction
  4. Competitive landscape

Additionally, all companies must be independent (unacquired), privately owned, at most 10 years old, and have received at least one round of funding in order to qualify.

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1. Skydweller


Founded: 2019

“Skydweller is a US-Spanish aerospace company developing the world’s first solar-powered, unmanned perpetual flight vehicles. These unprecedented autonomous systems will enhance government and commercial telecommunication, geospatial, meteorological, and emergency operation efforts around the world allowing our customers to operate in more challenging areas for longer durations with reduced environmental impact.”

2. Nisos Inc.

Nisos Inc.

Founded: 2015

“Nisos is the Managed Intelligence company. Our services enable security, intelligence, and trust & safety teams to leverage a world-class intelligence capability tailored to their needs. We fuse robust data collection with a deep understanding of the adversarial mindset delivering smarter defense and more effective response against advanced cyber attacks, disinformation, and abuse of digital platforms. For more information visit:”

3. Signal Vine, Inc.

Signal Vine, Inc.

Founded: 2013

Also honored in:

“Signal Vine provides an effective, intelligent two-way text messaging platform that is proven to deliver high student engagement.

Signal Vine’s platform empowers customers to combine text messaging with student data to deliver personalized information, prompt timely action, and ultimately improve outcomes for higher education organizations, nonprofits, and government programs.”

4. Clowder


Founded: 2013

Also honored in:

“The #1 native app solution for associations and their members. Clowder™ apps drive year-round member engagement and connectivity through mobile. Each is configured to meet the needs of any organization.”

5. Dark Cubed

Dark Cubed

Founded: 2014

Also honored in:

“Dark Cubed is a veteran founded startup from Alexandria, Virginia. We deliver powerful cyber security capabilities to companies of all sizes quickly and more efficiently than anything else on the market today. Our unique and flexible community-based platform combines real time monitoring, threat intelligence, predictive analytics, and active blocking to allow our customers to finally protect what matters most

We believe that the cyber security market is broken and it is time for something new. Dark Cubed has developed a new way to deliver and consume cyber security capabilities for companies of all sizes. It is no exaggeration to say that we can get a network configured with real time monitoring, threat intelligence correlation, logging, predictive analytics, an elegant user interface, workflow, and active blocking in 15 minutes.”

6. TransVoyant


Founded: 2011

Also honored in:

“From devices such as radar, sensors, satellites, smartphones, meters and other devices that make up the Internet of Things (IoT), TransVoyant collects, cleanses and constantly updates one of the world’s largest repositories of real-time big data—over one trillion events each day. By applying advanced machine learning algorithms to these real-time data streams, TransVoyant gives leading companies and government organizations a live global picture of their static and moving assets, as well as predictive insights that enable them to anticipate and avoid threats and disruptions resulting from a multitude of internal and external factors such as weather, port congestion, natural disasters, supplier failure, road construction, competitor behavior and labor strikes, to name a few. For more information, visit”

7. Cross Screen Media

Cross Screen Media

Founded: 2017

“Cross Screen Media is a media analytics and technology company focused on helping brands optimize their media buying across all screens.”

8. Sheeva.AI


Founded: 2016

“Sheeva.AI (Techstars ’20) disrupts parking, tolling, fleet management and other forms of location-based mobility. It is differentiated by its elimination of outdated and cumbersome roadside equipment and infrastructure such as parking meters and toll tags. Our patented, precise location technology—far more accurate than will ever be possible with mobile phones—combines through an IoT-based interface with a secure back office that allows for convenient payments and an analytics suite that provides targeted and relevant information to both users and operators. Our solution can be provided as a software load accessible directly to onboard electronics systems through an API in new Connected Vehicle technology applications (such as within the Telematics Control Unit); for back-fitting legacy vehicles and fleets our small, inexpensive GNSS transponder will provide immediate state-of-the-art connectivity and automated mobility services for any vehicle.”

9. WhoHub


Founded: 2014

“WhoHub is the one App Built by Realtors for Realtors, providing a vital mobile connection between real estate agents, their resources, their trusted vendors, and their clients.

Our mission is to provide one centralized hub for real estate brokerages to easily communicate and access critical documentation and resources for a mobile workforce. Easily branded for your team, WhoHub keeps brokers and agents informed and connected whether in the office, at a showing or in a meeting.”

10. OneVim


Founded: 2019

Also honored in: 2020 Best Tech Startups in Alexandria

“OneVim offers a customizable transportation solution that enables individuals and companies to request pick-up and delivery of their goods.”