Orange County may be best known for its beaches and sprawling coastal communities, but it has also developed into a significant Southern California tech hub. Irvine anchors much of the region’s technology sector, while companies across Costa Mesa, Newport Beach, Anaheim and Tustin are building products in industries ranging from fintech and cybersecurity to gaming, e-commerce and enterprise software.
That mix has given Orange County a tech identity that extends well beyond its proximity to Los Angeles. The companies below represent some of the region’s most notable employers and illustrate the range of technology businesses putting down roots throughout the county.
Best Places to Work in Orange County
- Cie
- iHerb
- SendGrid
- Acorns
- CrowdStrike
- Better
- Kareo
- Mophie
Location: Irvine, California
Industry: Cybersecurity
What they do: CrowdStrike protects corporate networks through its cloud-native Falcon platform, which stops cyberattacks by continually monitoring devices, cloud environments and user identities. The system relies on centralized sensor data and automated intelligence models to identify suspicious behavior before damage occurs. Organizations use CrowdStrike to streamline security operations and defend critical digital assets against modern threats.
Location: Irvine, California
Industry: Gaming and Digital Media
What they do: Irvine-based video game publisher Blizzard Entertainment designs and operates major interactive entertainment franchises, including World of Warcraft, Diablo, Overwatch and Hearthstone. Founded in 1994, the company continuously expands its online game ecosystems through ongoing software updates, server maintenance and multi-platform content releases. Millions of players worldwide access Blizzard Entertainment's persistent multiplayer environments for casual play and competitive esports.
Location: Tustin, California
Industry: FinTech
What they do: Happy Money provides fixed-rate personal loans designed for debt consolidation through its proprietary Hive lending platform. The company collaborates with credit unions, banks and institutional investors to fund these credit offerings without hidden fees. By incorporating behavioral psychology into its underwriting framework, Happy Money guides borrowers toward informed financial choices throughout the repayment process.
Location: Irvine, California
Industry: E-commerce
What they do: iHerb runs a global health e-commerce network stocking tens of thousands of wellness products and nutritional supplements. The company maintains climate-controlled logistics hubs worldwide to safeguard inventory condition before shipping directly to international consumers. Through targeted acquisitions like Vitacost and strategic regional distribution nodes, the iHerb delivers personal care goods across hundreds of countries.
Location: Newport Beach, California
Industry: InsurTech
What they do: Protecht delivers governance, risk and compliance software that unifies risk assessment, regulatory tracking and operational resilience within a single system. Built with embedded AI functionalities, the platform helps banking, insurance and fintech organizations manage complex compliance frameworks. Enterprises configure Protecht's risk management tools to monitor operational vulnerabilities, anticipate regulatory shifts, and maintain business continuity.
Location: Irvine, California
Industry: Fintech
What they do: Acorns is a financial wellness app that helps users save and invest automatically through spare change from everyday purchases. The company links to users' bank accounts and rounds up transactions to the nearest dollar, investing the difference into diversified portfolios with no account minimums or trading fees. Acorns offers additional features including recurring investments, a Money Manager tool that splits funds across investing and saving, and a debit card for teens and kids.
Location: Irvine, California
Industry: Project Management Software
What they do: Kantata provides software that unifies project planning, team collaboration, and financial tracking for professional services firms. The platform operates as two distinct systems — Kantata OX and Kantata SX — to accommodate varying enterprise IT setups. Companies like Box, RSM, Sage and Esri rely on Kantata's tools to allocate staff resources efficiently and oversee client engagements from initial proposal to final billing.
Location: Costa Mesa, California
Industry: Wellness and Fitness
What they do: FightCamp builds at-home boxing and kickboxing systems that combine live coaching from professional trainers with AI motion-tracking technology to measure punches and kicks in real time. The company’s smart equipment and app-based workouts deliver structured programs with performance metrics, enabling users to track progress and compete against their own benchmarks from home.
Location: Irvine, California
Industry: Gaming
What they do: Bonfire Studios is an independent video game developer founded by Rob Pardo, former Chief Creative Officer and lead designer of World of Warcraft at Blizzard Entertainment. The studio is currently developing Arkheron, a live-service multiplayer player-versus-player game built with the Unity engine that entered private playtesting. Bonfire Studios has secured funding led by Andreessen Horowitz and focuses on developing games with collaborative mechanics.
Location: Costa Mesa, California
Industry: Digital Advertising
What they do: AdQuadrant runs an AI marketing consultancy out of Irvine, California, helping consumer brands scale digital media investments. The agency combines predictive forecasting algorithms with automated content production to deploy campaigns across platforms like Meta, Google and TikTok. Utilizing its proprietary Prism measurement software, AdQuadrant guides media strategy and performance tracking for direct-to-consumer businesses.
Location: Orange County, California
Industry: Video Delivery Software
What they do: MediaZilla is a video delivery platform that enables filmmakers, studios and creative professionals to upload and deliver video projects with branded client experiences. The platform supports encrypted delivery of 4K content across devices and includes monetization capabilities. MediaZilla serves video professionals and studios seeking to deliver projects to clients and audiences in a polished, professional format.
Location: Anaheim, California
Industry: Digital Media and E-Commerce
What they do: HomeLife Media manages a portfolio of pet-centric digital properties, including the core channels iHeartDogs and iHeartCats. The company oversees an extensive network of online publications and social media channels dedicated to animal care education and retail products. Through its content creation and direct-to-consumer commerce operations, HomeLife Media delivers specialized resources to a global audience of pet owners.
Location: Anaheim, California
Industry: Manufacturing Software
What they do: Parsec Automation designs manufacturing software built around its TrakSYS platform to bridge factory operations with enterprise management systems. By monitoring real-time production flow, quality metrics and maintenance schedules, the TrakSYS software equips plant managers to address operational bottlenecks instantly. Industrial facilities deploy Parsec Automation’s infrastructure to minimize machine downtime, streamline inventory tracking, and systematically scale production capacity.
Location: Irvine, California
Industry: Marketing Technology
What they do: Viant Technology powers a demand-side advertising engine that automates ad purchases across connected TV, mobile apps and digital channels. Operating from Irvine, the firm uses algorithmic learning models alongside first-party data sets to target specific audience groups. These tools allow agency media buyers and corporate marketing departments to evaluate campaign ROI while optimizing ad placements in real time.
Location: Irvine, California
Industry: Real Estate and FinTech
What they do: Better operates a digital lending platform that uses automated underwriting tools to process residential mortgages and streamline home acquisitions. The company generates instant pre-approval decisions while linking home buyers directly to title services, real estate agents and property insurance providers. Better’s end-to-end framework eliminates traditional loan paperwork and accelerates the closing sequence for mortgage borrowers.
Location: Tustin, California
Industry: Consumer Electronics
What they do: Mophie manufactures mobile power accessories, including multi-device charging stands, car adapters and portable power stations compatible with iOS and Android devices. The company incorporates StealthCharge technology into its hardware to maintain lower temperatures while delivering faster power transfers. Through specialized travel gear and magnetic chargers optimized for mobile devices, Mophie supplies consumers with portable energy options on the go.
Location: Irvine, California
Industry: Mobile Application Software
What they do: Phunware operates a guest intelligence platform that equips resorts with automated booking tools and concierge assistance. The system connects directly with hotel management software and payment processing networks to shape visitor experiences throughout their stay. Major destinations like Atlantis Paradise Island, Wailea Beach Resort and Marriott properties use Phunware's software to personalize visitor services and boost secondary hotel revenue.
Location: Irvine, California
Industry: Market Research
What they do: MFour Data Research operates a largest first-party consumer panel tracking billions of monthly signals across location, apps, web, receipts and AI conversations. The company uses validated survey responses and behavioral data to help brands understand consumers and make data-driven decisions. MFour solves data fraud and commoditization challenges in market research through its end-to-end insights platform.
Location: Newport Beach, California
Industry: Veterinary Digital Marketing
What they do: PetDesk builds clinical communication software that integrates directly with veterinary practice management systems to streamline appointment scheduling. Expanded through its acquisition of WhiskerCloud, the platform manages automated client reminders, digital marketing and web booking for animal care facilities. Veterinary staff utilize PetDesk's integrated tools to minimize manual administrative tasks and maintain direct contact with pet owners.
Location: Irvine, California
Industry: Tech Studio / Incubator
What they do: Cie operates as a venture studio that co-builds new businesses alongside founders from early concept to full launch. The firm uses a Zero to One development framework to manage product engineering, finance and operational tasks directly. By stepping in as an active co-founder rather than a passive investor, Cie allows entrepreneurs to focus fully on product refinement and sales growth.
Location: Irvine, California
Industry: Document Capture Software
What they do: Ephesoft engineers intelligent document processing software that uses machine learning algorithms to extract data from physical and digital files. The system interfaces with corporate enterprise resource planning and robotic process automation setups to categorize inbound documents automatically. Financial institutions, healthcare providers and government agencies implement Ephesoft’s platform to accelerate invoice processing, mailroom sorting and client onboarding.
Location: Irvine, California
Industry: Cloud Email Solutions
What they do: Twilio SendGrid maintains an enterprise email delivery network that processes transactional notifications and promotional messages through developer-friendly APIs. Operating with technical support hubs in Orange County, the system gives organizations web interfaces and code libraries to manage inbox placement. Companies employ SendGrid’s cloud communication tools to route high-volume user communications and monitor message deliverability rates.
