Top IT Services Companies in California
Are you looking to seek consultation from the best IT services companies in California? Professional IT services lend you a fresh perspective and help you analyze your existing setup. Innovative solutions from IT service providers will act as a catalyst to bring about positive changes in your current setup and help you strengthen the security of your data. With cost-effective, customized solutions, you can realize more productivity in your structure. Here is a list of the top IT firms in California rated on quality, reliability, and ability.
List of IT Services Companies in California | Top IT Firms in California
-
Welcome to Delta Infotek - Your Trusted Partner in Digital Transformation! 🚀 Delta Infotek is a dynamic IT Services and Consulting company committed to empowering small to medium businesses with cutting-edge digital solutions. Headquartered in the vibrant tech hub of San Diego, our dedicated team, spanning across diverse locations, collaborates seamlessly to deliver unparalleled services. ... read Delta Infotek reviews & insights
$25 - $49/hr2 - 92022San Diego, California -
At Cloudpacer, we don’t settle for ordinary. We are passionate about technology and its power to transform businesses. Our commitment to innovation, customer satisfaction, and teamwork sets us apart in the industry. Our team of experts is dedicated to provide you with tailored software solutions that will take your business to the next level. So ... read Cloudpacer reviews & insights
$25 - $49/hr10 - 492019Pleasanton, California -
With an unwavering passion to help your people succeed, years of technical experience backed by our custom solutions, process and unparalleled customer service, we deliver every time. People You deserve the best. We have the best. SImply put, we care — every single one of us, from the account managers to the technicians. We hire, ... read Think Scale reviews & insights
NA2 - 9West Covina, California -
Intronsoft offers technology solutions & services which are mind crafted for your business. From strategy to execution, our winning combination of innovative thinking, scientific design, sophisticated development, and ongoing analysis ensure we are delivering value to help you grow. Bring us your challenges. We will bring incredible talent, amazing ideas, and fresh perspective.We moved into ... read Intronsoft reviews & insights
$25 - $49/hr2 - 9Riverside, California -
CrosLinks is a leading outsourcing and offshore company in the USA, offering high-quality and cost-effective solutions to businesses worldwide. Our extensive services include IT outsourcing, customer support, healthcare solutions, real estate lead generation, and digital marketing, all delivered by a team of skilled professionals. We leverage the latest technologies and industry best practices to provide reliable ... read CrosLinks reviews & insights
NA10 - 49Anaheim, California -
We augment technical teams by seamlessly providing high-caliber IT talent, to augment your teams when and where you need it. Our Agile experts deliver agreed upon functionality as we manage your IT projects, all on time, with high quality and within budget. We offer top-shelf IT talent at globally competitive rates, within compatible time zones, resulting in ... read Software NextDoor reviews & insights
$25 - $49/hr10 - 492009San Francisco, California -
Global IQ Services is a full-spectrum software development company delivering innovative, secure, and scalable digital solutions. From idea to execution, we build intelligent products that power business transformation across industries. With a strong focus on Agentic AI, LLM customization, and Salesforce integration, we combine advanced technologies with deep domain expertise to create solutions that are ... read Global IQ Services reviews & insights
$25 - $49/hr10 - 492024San Mateo, California -
We are a leading staff augmentation and offshore software development company based in the USA, specializing in providing skilled talent for diverse projects. Our expert developers seamlessly integrate with your team, delivering high-quality solutions across various technologies. With a focus on innovation, reliability, and cost-efficiency, we empower businesses to scale quickly and achieve their project ... read Progress Arc reviews & insights
$25 - $49/hr2 - 92024Irvine, California -
At Query Minds, we empower businesses with intelligent IT solutions that drive efficiency, security, and growth. Our expertise spans across workflow automation, cloud solutions, cybersecurity, data analytics, and IT infrastructure management. We specialize in: ✅ Workflow Automation – Streamlining business processes with Power Automate & AI-driven automation. ✅ Cloud Solutions – Secure cloud migration and ... read Query Minds, LLC reviews & insights
$50 - $99/hr2 - 92025Sacramento, California -
Iksula is a leading e-commerce solutions provider in the United States, offering end-to-end services that drive online business growth. With expertise in technology, digital transformation, and operational excellence, we help retailers, brands, and marketplaces optimize their online presence.
$100 - $149/hr1,000 - 9,9992006California City, California -
After 10 years in the IT industry, we decided to alter direction. Now, we share use our experience to help others. Our ramp-up process is designed to empower your technical team and outfit them with the tools they need to succeed. Ask us about: Software development Web development Mobile development Cloud-based development End-to-end integration QA ... read Deverno Inc. reviews & insights
< $25/hr10 - 492021San Francisco, California -
Boost Media Group is a full-service, data-driven digital marketing, demand generation, and software development company. Founded in 2011 as Creatine Marketing, Boost Media Group has evolved its core services to adapt to businesses' ever-changing needs and challenges. We help businesses achieve their goals through digital marketing and application development services including: 🚀 SOCIAL MEDIA MARKETING ... read Boost Media Group reviews & insights
$50 - $99/hr10 - 492009Folsom, California -
Founded in 2006, Technosys Solutions is a software development partner specializing in custom web and mobile app development, enterprise automation, and AI-driven solutions. With over 18 years of proven expertise, we help startups, SMEs, and enterprises accelerate their digital transformation journeys through scalable, secure, and high-performance technology. Our hybrid delivery model combines onsite collaboration in ... read Technosys Solutions reviews & insights
NA10 - 492006California City, California -
Cornerstone Technologies has what it takes to deliver data intelligently, exactly where it needs to be. Our only job is your vision, your need, or your issue to patch. We see it through that we build what you need, with assurance you have our full spectrum of attention and expertise every stop of the way. ... read Cornerstone Technologies reviews & insights
$25 - $49/hr10 - 492007San Jose, California -
Business Brio is a specialized Big Data Analytics and Research organization. It was established in 2013 with a focus on Business and Social Development Analytics. Led by a set of accomplished corporate veterans, team Business Brio possesses significant experience in corporate and development sectors and imparts valuable technical skills to any assignment – irrespective of ... read Business Brio reviews & insights
$25 - $49/hr10 - 492013San Jose, California -
We are a strategic information technology (IT) solutions and services provider headquartered in Oklahoma with offices in Washington D.C. and Silicon Valley. Our services enable government agencies to succeed in their mission by solving their most demanding challenges. AI-Vets supports economic growth and increased opportunities in historically underutilized business zones. In addition to HUBZone certification, ... read ai-vets reviews & insights
$25 - $49/hr50 - 2492017San Jose, California -
At Valerian Technology, we're not just a tech consulting firm; we're revolutionizers of the IT consulting landscape. Specializing in Fractional CTO, CTO Consulting, and Fractional CIO services, we stand out with our US-based team of developers and industry mavens. Our forte lies in bridging the gap between advanced technology strategy and effective management, positioning us ... read Valerian Technology reviews & insights
< $25/hr10 - 492018San Diego, California -
Object Automation is a pioneering technology company headquartered in California, specializing in the integration of cutting-edge technologies and fostering strategic partnerships in the ever-evolving tech landscape. We are dedicated to research, solution development, and the establishment of tech centers of excellence across various domains. With a development center in India and numerous global partners, the ... read Object Automation reviews & insights
< $25/hr10 - 492018San Diego, California -
Radixiy is an IT solutions provider headquartered in San Jose, California, United States. We are a team of technology leaders with backgrounds in engineering, design, and development, united by a shared vision for advancing technology. We specialize in custom software development, mobile and web applications, product design, product development, cloud services, and emerging technologies like ... read Radixiy, Inc. reviews & insights
$50 - $99/hr10 - 492025San Jose, California -
Riverstone's team excels in building world class solutions for design, technology and software. Each team member is empowered to make decisions with support from the rest of the team. This method creates continuous growth and shared expertise to benefit our customers. At Riverstone, we are following our vision to be a world class team excelling in design, ... read Riverstone Infotech reviews & insights
$25 - $49/hr250 - 9992001San Francisco, California -
Canvendor is a global business directory and B2B platform designed to connect companies with trusted partners, tools, and opportunities. We make it easier for businesses to discover, compare, and choose the right vendors across industries. With verified listings, seamless navigation, and a focus on reliability, Canvendor empowers organizations to make smarter decisions and accelerate growth.
< $25/hr50 - 2492016Dublin, California -
Founded in 2007, NerdTek Inc. has established itself as a global leader in software services, offering cutting-edge technology solutions across diverse industries. As an ISO-certified, mid-sized IT company, we are dedicated to delivering innovative business solutions that drive digital transformation and enhance brand presence.
NA2 - 92007Rancho Cucamonga, California -
Roxosoft is an innovative custom software development agency based in the United States, known for delivering tailored software solutions that meet complex needs. With extensive experience designing and developing enterprise applications, automation tools, and advanced engineering solutions, Roxosoft leverages modern trends and methodologies to ensure top-notch results. Its team consists of highly qualified developers with ... read Roxosoft LLC reviews & insights
$50 - $99/hr10 - 492008Sunnyvale, California -
DynTek provides cloud solutions from the data center to the device. DynTek provides professional technology solutions across the three core areas of your technical environment: Infrastructure/Data Center, Application Platforms and End Point Computing.
< $25/hr250 - 999Irvine, California -
Being a Technology & Solution Consulting company, we co-build technology products to help companies accelerate growth. We achieve this by leveraging our technical, process and domain expertise and access to the best price-for-value Eastern European engineers. Over 100 US-based and 200 worldwide businesses have chosen us as their Technology Consulting Partner. Domain expertise: ∙ Finance ... read AltexSoft reviews & insights
$25 - $49/hr50 - 2492007Carlsbad, California -
Best website designing and development services at Qdexi Internet Marketing Agency under guidance of web developers and digital marketing experts. We assure clients for quality image of website on internet by means of trending market strategies.
NA10 - 492014California City, California -
Trianz is a leading-edge technology platforms and services company that accelerates digital transformations at Fortune 100 and emerging companies worldwide in data & analytics, digital experiences, cloud infrastructure, and security. Our "IP Led Transformations" approach, informed by insights from a recent global study spanning 20+ industries and 5000+ companies, addresses challenges posed by the rapid ... read Trianz reviews & insights
$50 - $99/hr1,000 - 9,9992001Santa Clara, California -
Established in 2012, Xgrid has a history of delivering a wide range of intelligent and secure cloud infrastructure, user interface and user experience solutions. Our strength lies in our team and its ability to deliver end-to-end solutions using cutting edge technologies. Our key areas of operation include Amazon Web Services Migration, Sales Enablement & Sandboxing ... read Xgrid, Inc. reviews & insights
$50 - $99/hr50 - 2492012Santa Clara, California -
Definity First is a software development firm headquartered in California with 18+ years of experience, we are a leading professional I.T. service provider of advanced enterprise-grade solutions for some of the most important companies and organizations worldwide. Some of our biggest clients have been with us for more than ten years! Empowered by our creativity, skills, ... read Definity First reviews & insights
$50 - $99/hr50 - 2492004San Diego, California -
DeepX: AI Machine Learning & Computer Vision DeepX is an R&D-intensive and innovation-driven consortium led by DEEPXTECH S.R.L. Italy, Covijn Ltd (“Co-vision project”) the United Kingdom, and AIMech Technologies (“Omnidetector” product) the United States, that provides Artificial Intelligence-powered Computer Vision solutions for businesses, empowering medium-sized and large enterprise companies with advanced AI-driven solutions since 2018. ... read DeepX reviews & insights
NA10 - 492018San Francisco, California -
At Fastest Digital LLC are expertise is not only tied up to certain skills, therefore our company is associated with some of the award-winning designers and animators of the industry. We produce explainer videos for businesses that can help them boost their sales and bring more customers to their business. Our professional animators are undoubtedly ... read Fastest Digital LLC reviews & insights
$100 - $149/hr50 - 249San Diego, California -
Transform Enterprise IT Solve business challenges with our focus on people, processes, and technology STAND 8 is a trusted IT services and solutions technology partner to the world's largest enterprises with offices throughout United States and the world.
NA50 - 2492009Morro Bay, California -
At Artemis, we offer a talent delivery methodology, that actually delivers. We go above and beyond the checkboxes, references and resumes. By harnessing our unique delivery methodology, we can produce higher quality talent at a much quick and more efficient speed, offering your organization better results in a timely manner for the following talent verticals: ... read Artemis reviews & insights
NA10 - 492009Irvine, California -
Techforce Solutions was born out of necessity. We found over the years that consulting had become one sided in terms of profit. Consultants were looking for billable hours and not how to deliver value to clients. Business should be centered around relationships and adding value. We take a different approach that is completely focused on ... read Techforce Solutions reviews & insights
NA2 - 92015Glendora, California -
We are a company specializing in medical billing and coding, collection of accounts as well as providing payment processing for your medical practice. At Columbus healthcare, we are dedicatedly committed to helping you, our client, and we strictly follow (HIPAA) Health Insurance Portability and Accountability Act. Our team understands how important is patient health Information (PHI) ... read Columbus Healthcare services LLC reviews & insights
< $25/hr10 - 492017Los Angeles, California -
We started EZ Digital with a simple belief that technology is pivotal for fostering business expansion and rapid scalability. Our expertise spans various products, platforms, and cutting-edge technologies, supported by a team of seasoned professionals—developers, designers, project managers, business development experts, and customer success advocates—we are committed to setting new standards in customer service and ... read EZ Digital reviews & insights
$25 - $49/hr2 - 9Los Angeles, California -
Rivi is a technology-first company. A holistic technology partner for forward-thinking companies in industries like automotive, travel and hospitality, sports, retail, ecommerce, healthcare and wellness, education and e-learning, logistics and supply chain, drone management, construction and real estate, social media, among many others. We provide expertise in software development, machine learning, product design, product management, ... read Rivi reviews & insights
$100 - $149/hr10 - 492017San Francisco, California -
BytesFarms Technologies, a leading Software Development Company, offers 20+ years of expertise. We optimize operations, enhance customer engagement, and drive growth with Software Development, Salesforce, Web/Mobile application development, Cloud & DevOps consulting, and Blockchain solutions. With a wealth of industry experience, our expert team understands clients' business challenges. We collaborate closely to craft tailored solutions ... read BytesFarms Technologies reviews & insights
$25 - $49/hr10 - 492021San Diego, California -
A digital marketing agency helps businesses grow online by leveraging strategies like SEO, social media marketing, pay-per-click advertising, content marketing, and email campaigns. These agencies create tailored marketing plans to boost brand visibility, drive targeted traffic, and increase conversions, ensuring a strong online presence and measurable business success.
NA2 - 92010Fallbrook, California -
At IntuitionLabs, we're dedicated to helping pharmaceutical companies optimize their operations and maintain compliance through Veeva CRM implementations, intelligent automation, and data-driven solutions. Founded in 2023 in San Jose, California, IntuitionLabs emerged from our founder's extensive background as a former CEO serving hundreds of B2B clients and 25 years of enterprise software development experience. Adrien ... read IntuitionLabs reviews & insights
< $25/hr10 - 492023San Jose, California -
We operate from our German headoffice and also local branches in over 45 countries, with the experience to deliver services to you in the most challenging territories. DeRisk Technologies offers your business; - Digital IT Solutions from SAP, Microsoft, Blockchain - 24 x 7 x 365 support services - Data Analytics and A.I. solutions - ... read DeRisk Technologies reviews & insights
$150 - $199/hr1,000 - 9,9992020Los Angeles, California -
SAN Data Branch offices in Singapore, Malaysia, Hong Kong and India, and development centers in the USA and India With 32-year IT experience and a strong team of full-stack software engineers and consultants, we help our clients to achieve unsurpassed quality at all stages of the cloud infrastructure design and implementation as well web, mobile, ... read SAN Data Systems reviews & insights
$25 - $49/hr50 - 2491993Los Angeles, California -
CosmosBoard is the partner of choice for many of the world’s leading enterprises, SMEs and technology challengers. We help businesses elevate their value and increase their work efficiency through custom software development, product design, QA and consultancy services. We can help to maintain and modernize your IT infrastructure, solve various infrastructure-specific issues a business may ... read Cosmos Board reviews & insights
< $25/hr10 - 492020San Diego, California -
Our founder had the same problem you do: drowning in bad hires. Most VAs looked good on paper but disappeared after a few weeks. Then he found one who could replace two full-time employees. She showed up every day, communicated clearly, and solved problems without being told. It changed everything. He realized other business owners ... read Stellar Staff reviews & insights
$50 - $99/hr250 - 9992022Newport Beach, California -
Sogos Consulting is a multidisciplinary consulting firm focused on analyzing, designing, and implementing intelligent systems that enhance business and product performance. We bridge strategy, analytics, and technology, helping organizations optimize operations, improve decision-making, and achieve sustainable growth. Our work is powered by deep analytical insight and intelligent system integration. From uncovering inefficiencies to automating workflows, ... read Sogos Consulting reviews & insights
$100 - $149/hr2 - 92022Los Angeles, California -
Proactive SEO Solutions is a digital marketing agency serving Los Angeles, Orange County, and clients around the nation, providing lead generating SEO, revenue-minded PPC, dynamic web design, and an overall plan-of-attack to elevate your business' online presence.
NA2 - 92013Long Beach, California -
HCLSoftware is a global leader in software innovation, dedicated to powering the Digital+ Economy. We develop, market, sell, and support transformative solutions across business and industry, intelligent operations, total experience, data and analytics, and cybersecurity. Built on a rich heritage of pioneering spirit and unwavering commitment to customer success, we deliver best-in-class software products that ... read HCLSoftware reviews & insights
NA1,000 - 9,9992019Sunnyvale, California -
We are a Palo-Alto-based premium software development service provider with delivery centers across Eastern Europe. We focus on developing top-notch: mobile and web applications Uber for X and on-demand apps Magento and Hybris based eCommerce solutions UI/UX website and app design GET A FREE QUOTE FOR YOUR PROJECT OR IDEA We believe there’s ... read Provectus reviews & insights
$50 - $99/hr250 - 9992010Palo Alto, California
Confused about which partner to choose?
Let our experts study your requirements and send a curated list of trusted companies.
Get a shortlistWhy Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 110,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 110,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.
Everything You Want to Know About Rule-Based Prompts
The podcast discussion highlights the importance of rule-based prompts in software development and its benefits.
Common Pitfalls to Avoid Mobile App Development Failure
The podcast article highlights why mobile app development fails and how to avoid it.
Emerging Technologies are Fueling Game Development to Provide Immersive Experiences
This podcast discussion highlights how the new emerging technologies are fueling the game development industry.