Insights

Executive leadership Recent C‑suite appointments including a new CEO signal strategic shifts and potential emphasis on growth, security productization, and expanding go‑to‑market initiatives — an opportune time to propose executive alignment and enterprise partnerships.

AI driven Launch of SOC AI and an AI‑led MDR approach indicates a strong push toward automation and advanced threat detection, presenting a cross‑sell opportunity for expanded AI tooling, analytics, and integration with existing security stacks.

Scale and funding Substantial funding and revenue range position Critical Start as a growing mid‑market to enterprise MDR provider; opportunities exist to discuss larger contract vehicles, multi‑year SLAs, and regional expansion in new markets.

Talent and culture Recognition as a top place to work and key leadership hires suggest a focus on attracting and retaining skilled security professionals, enabling conversations around differentiated service delivery, training commitments, and co‑sourcing models.

Integrated security Emphasis on seamless integration with existing tools and comprehensive coverage across endpoints, cloud, identity, and OT creates a sales path for consolidating vendors, reducing blind spots, and expanding SOC assurance offerings for complex environments.

Similar companies to Critical Start

Critical Start Tech Stack

Critical Start uses 8 technology products and services including Hotjar, HubSpot Analytics, Apache Kafka, and more. Explore Critical Start's tech stack below.

Media & News

Critical Start's Email Address Formats

Critical Start uses at least 4 email formats:
Critical Start Email FormatsExamplePercentage
First.Last@criticalstart.comJohn.Doe@criticalstart.com
89%
First@criticalstart.comJohn@criticalstart.com
6%
Last@criticalstart.comDoe@criticalstart.com
4%
First.MiddleLast@criticalstart.comJohn.MichaelDoe@criticalstart.com
1%

Frequently Asked Questions

What is Critical Start's phone number?

Minus sign iconPlus sign icon
You can contact Critical Start'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 Critical Start's official website and social media links?

Minus sign iconPlus sign icon
Critical Start's official website is criticalstart.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Critical Start generate?

Minus sign iconPlus sign icon
As of October 2026, Critical Start's annual revenue is estimated to be $100M - $250M.

What is Critical Start's NAICS code?

Minus sign iconPlus sign icon
Critical Start's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Critical Start have currently?

Minus sign iconPlus sign icon
As of October 2026, Critical Start has approximately 267 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: R. D., Chief Technology Officer: R. W. and Chief Product Officer: K. G. Explore Critical Start's employee directory with LeadIQ.

What industry does Critical Start belong to?

Minus sign iconPlus sign icon
Critical Start operates in the Computer and Network Security industry.

What technology does Critical Start use?

Minus sign iconPlus sign icon
Critical Start's tech stack includes Hotjar, HubSpot Analytics, Apache Kafka, Google Workspace, Claude by Anthropic, Qualys, Puppet and Adobe Creative Suite.

What is Critical Start's email format?

Minus sign iconPlus sign icon
Critical Start's email format typically follows the pattern of First.Last@criticalstart.com. Find more Critical Start email formats with LeadIQ.

How much funding has Critical Start raised to date?

Minus sign iconPlus sign icon
As of October 2026, Critical Start has raised $255M in funding. The last funding round occurred on Apr 12, 2022 for $215M.

When was Critical Start founded?

Minus sign iconPlus sign icon
Critical Start was founded in 2012.
Critical Start logo

Critical Start

Computer and Network SecurityTexas, United States201-500 Employees

Critical Start is a United States–based company in the computer and network security industry that provides managed detection and response (MDR) services. The company operates a 24/7/365 security operations center staffed with analysts and offers contractual service-level agreements that include a 10-minute notification for critical alerts and a 60-minute mean time to respond for all alerts. Its MDR offerings are designed to integrate with customers’ existing tools to enable faster containment and broader coverage across endpoint, cloud, identity, OT, and more, supported by a Signal Assurance process that identifies blind spots and missing data sources. The company is headquartered at 6100 Tennyson Parkway, Suite 200, Plano, Texas 75024, United States, and has 201-500 employees. The website is criticalstart.com, and recent developments include the launch of SOC AI in June 2026 and leadership appointments in 2024-2025.

Section iconCompany Overview

Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2012
Employees
201-500

Section iconFunding & Financials

  • $255M

    Critical Start has raised a total of $255M of funding over 2 rounds. Their latest funding round was raised on Apr 12, 2022 in the amount of $215M as a Private Equity.

  • $100M - $250M

    Critical Start's revenue is estimated to be in the range of $100M - $250M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.