Insights

Established Market Leader First Due has been recognized as the top fire and EMS software provider by Inc. 5000 and serves over 3,000 agencies across the U.S. and Canada, indicating a strong reputation and extensive market penetration. This primes the company for upselling and expanding its software suite within existing large agencies seeking comprehensive safety solutions.

Major Investment Backing With a recent $355 million strategic investment from prominent firms like JMI Equity and TCV, First Due is positioned for rapid growth and market expansion. This presents opportunities to align with their scaling initiatives by offering complementary modules or localized services to support their expansion plans.

Innovation and Integration The company is actively integrating cutting-edge technologies like NextNav's 3D location services and launching new training and compliance platforms, showcasing a focus on advanced, integrated solutions. This opens avenues to present innovative add-ons or tailored integrations for agency-specific needs.

Technology Stack Compatibility Using popular cloud platforms and database solutions such as Amazon Web Services and PostgreSQL, First Due’s infrastructure aligns well with modern SaaS providers. This facilitates opportunities for offering scalable, secure, and compatible technology solutions that enhance their existing platform capabilities.

Focus on Safety and Community First Due’s emphasis on improving community safety, response efficiency, and incident management indicates potential for partnership or solutions that enhance real-time data analytics, community engagement, or predictive safety measures to further solidify their market leadership.

Similar companies to First Due

First Due Tech Stack

First Due uses 8 technology products and services including Facebook Pixel, Cloudflare, PostgreSQL, and more. Explore First Due's tech stack below.

Facebook Pixel
Analytics
Cloudflare
Content Management System
PostgreSQL
Database
Amazon
E-commerce
Microsoft 365
Email
Ubuntu
Operating Systems
Microsoft Azure
Platform As A Service
Allego
Sales Enablement

Media & News

First Due's Email Address Formats

First Due uses at least 2 format(s):

First Due Email Formats	Example	Percentage
First@firstduesizeup.com	John@firstduesizeup.com	74%
First.Last@firstduesizeup.com	John.Doe@firstduesizeup.com	17%
Last@firstduesizeup.com	Doe@firstduesizeup.com	1%
LF@firstduesizeup.com	DJ@firstduesizeup.com	2%
FirstLast@firstduesizeup.com	JohnDoe@firstduesizeup.com	1%
FLast@firstduesizeup.com	JDoe@firstduesizeup.com	2%
L.First@firstduesizeup.com	D.John@firstduesizeup.com	1%
FirstMLa@firstduesizeup.com	JohnMDo@firstduesizeup.com	1%
LFirst@firstduesizeup.com	DJohn@firstduesizeup.com	1%
First.Last@firstdue.com	John.Doe@firstdue.com	84%
FirstLast@firstdue.com	JohnDoe@firstdue.com	10%
First@firstdue.com	John@firstdue.com	5%
FLast@firstdue.com	JDoe@firstdue.com	1%

Frequently Asked Questions

What is First Due's phone number?

You can contact First Due's main corporate office by phone at

+1-917-692-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is First Due's official website and social media links?

First Due's official website is firstdue.com and has social profiles on LinkedIn Crunchbase.

What is First Due's NAICS code?

First Due's NAICS code is 5112 - Software Publishers.

How many employees does First Due have currently?

As of December 2025, First Due has approximately 424 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Cto: C. K.Chief Sales Officer (cso): S. M.Chief Of Staff: A. M.. Explore First Due's employee directory with LeadIQ.

What industry does First Due belong to?

First Due operates in the Software Development industry.

What technology does First Due use?

First Due's tech stack includes Facebook PixelCloudflarePostgreSQLAmazonMicrosoft 365UbuntuMicrosoft AzureAllego.

What is First Due's email format?

First Due's email format typically follows the pattern of First@firstduesizeup.com. Find more First Due email formats with LeadIQ.

When was First Due founded?

First Due was founded in 2016.

First Due

Q: What is First Due's official website and social media links?

First Due's official website is firstdue.com. First Due has social profiles on LinkedIn.

Q: How many employees does First Due have currently?

First Due has approximately 424 employees.

Q: What technology does First Due use?

First Due's tech stack includes Kubernetes, Microsoft 365, YouTube, Google Tag Manager, Choices.

Software DevelopmentNew York, United States201-500 Employees

First Due Suite is re-imagining how Fire & EMS agencies run their operation by offering best-of-breed Pre-Planning, Fire Prevention, Incident Reporting, Scheduling & Personnel, Assets & Inventory, Community Engagement, and Response – all in a single, cloud-based platform. 

Customers using First Due are transforming how they function, before, during, and after an incident - ultimately leading to better decisions and a safer community.