Insights

Strong Market Presence First Due Size-Up has established itself as a leader in public safety software, serving over 3,000 agencies across the U.S. and Canada. Its recognition as the #1 Fire & EMS software provider by Inc. 5000 and inclusion in the GovTech 100 highlights its prominent position in the industry, presenting opportunities to expand within existing customer bases and attract new agencies seeking proven solutions.

Growth and Investment With a recent strategic investment of 355 million dollars led by JMI Equity and participation from TCV and Serent Capital, First Due demonstrates substantial financial backing and growth potential. This opens avenues for upselling advanced features or premium services to clients interested in leveraging the company's expanding platform and capabilities.

Expanding Product Suite The launch of First Due LMS and recent integrations like NextNav’s vertical location technology showcase a commitment to enhancing training, incident management, and location services. These innovations create opportunities to cross-sell new modules and increase the platform's value for existing clients seeking comprehensive safety solutions.

Technological Innovation Utilizing leading tech stack components such as AWS, Grafana, and Salesforce, First Due is well-positioned to offer scalable and robust cloud-based solutions. This technological foundation can attract agencies seeking modern, integrated systems and allows for rapid deployment of new features aligned with evolving industry standards.

Future Expansion Potential Given its focus on community engagement, incident management, and personnel scheduling, there are significant opportunities to tailor solutions to adjacent markets such as police or emergency management agencies. Developing targeted offerings or partnerships could facilitate broader market penetration and increase sales conversions.

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 FormatsExamplePercentage
First@firstduesizeup.comJohn@firstduesizeup.com
73%
First.Last@firstduesizeup.comJohn.Doe@firstduesizeup.com
18%
Last@firstduesizeup.comDoe@firstduesizeup.com
1%
LF@firstduesizeup.comDJ@firstduesizeup.com
2%
FirstLast@firstduesizeup.comJohnDoe@firstduesizeup.com
1%
FLast@firstduesizeup.comJDoe@firstduesizeup.com
2%
L.First@firstduesizeup.comD.John@firstduesizeup.com
1%
FirstMLa@firstduesizeup.comJohnMDo@firstduesizeup.com
1%
LFirst@firstduesizeup.comDJohn@firstduesizeup.com
1%
First.Last@firstdue.comJohn.Doe@firstdue.com
82%
FirstLast@firstdue.comJohnDoe@firstdue.com
11%
First@firstdue.comJohn@firstdue.com
6%
FLast@firstdue.comJDoe@firstdue.com
1%

Frequently Asked Questions

Where is First Due's headquarters located?

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First Due's main headquarters is located at 107 7th St Garden City, New York 11530 US. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is First Due's phone number?

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

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

What is First Due's NAICS code?

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

How many employees does First Due have currently?

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As of October 2025, First Due has approximately 412 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Sales Officer (cso): S. M.Chief Of Staff: A. M.Chief Architect: V. V.. Explore First Due's employee directory with LeadIQ.

What industry does First Due belong to?

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First Due operates in the Software Development industry.

What technology does First Due use?

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

What is First Due's email format?

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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?

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First Due was founded in 2016.
First Due

First Due

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.

Section iconCompany Overview

Headquarters
107 7th St Garden City, New York 11530 US
Phone number
NAICS Code
5112 - Software Publishers
Founded
2016
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    First Due's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    First Due's revenue is estimated to be in the range of $100M$250M

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