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
-
Murano Software specializes in assembling and managing dedicated teams of highly skilled technical professionals to augment your inhouse resources. With corporate headquarters in Los Angeles, CA and software development centers in Europe, Murano offers you the convenience and security of working with a reliable U.S. corporation plus all the benefits of highly affordable development resources.
$25 - $49/hr250 - 9992003Westlake Village, CaliforniaVerified Client Review
-Murano consistently connects us to world-class talent to help us scale our engineering team.
reviewed by: Jeff Harris at Appulate, Inc. -
Logomentary is your one-stop logo design and branding solution. We are a team of talented graphic designers that specialize in logo, branding, illustration, and web design. We've got your back We offer all kinds of visual content - from logos, business cards, and posters to infographics, flyers and more! You'll be able to find what ... read Logomentary reviews & insights
NA2 - 92020Burbank, CaliforniaVerified Client Review
-I had a great logo design from Logomentray and I am inspired
reviewed by: Daniel Valle, Marketing Manager at Pull A Brand -
Carmatec is a result- driven digital transformation company, providing a one-stop solution for all your business needs. Deploy state-of-the-art ERP systems that streamline operations, simplify communications, enhances marketing impact, drives data-driven decision making, kicks accelerates business growth and ultimately captures a higher ROI. Harness the power of technology and digital platforms to transform your business ... read Carmatec reviews & insights
< $25/hr50 - 2492003Los Angeles, CaliforniaVerified Client Review
-My experience with Carmatec Inc. was highly positive
reviewed by: Sibani Sahu, Business Analyst at Oracle Financial Services -
Infobahn specializes in full-lifecycle project and consulting efforts conducted in strategic partnership with some of the world's most prominent companies. Infobahn provides a broad range of IT consulting services leveraging Onsite, Offsite and Offshore models. Our Management Team is experienced having created and nurtured professional services and consulting teams to deliver quality solutions to Fortune ... read Infobahn Softworld Inc reviews & insights
< $25/hr250 - 9991996San Jose, CaliforniaVerified Client Review
-Highly unprofessioanl and unstructured
reviewed by: Jasmeet Kaur, Account Manager at Pyramid Consulting, Inc -
Code Calibre is a professional Web Design, Web Development, and Digital Marketing company located in Delhi, NCR. We are a technology-driven organization stepping forward to take the next step towards evolving as one of the top IT companies in India. We began with the aim to deliver high-quality work to our foreign & local clients in ... read Code Calibre reviews & insights
NA50 - 2492014San Francisco, CaliforniaVerified Client Review
-Their expertise and excellence in Mobile App Development are phenomenal.
reviewed by: Greg Stephen, Senior Vice president at PIVOT AGENCY -
𝐀𝐩𝐩𝐢𝐧𝐠𝐢𝐧𝐞 is one of the best awards winning top mobile app development companies in the USA which guarantees your app to win a marketplace. 𝐀𝐩𝐩𝐢𝐧𝐠𝐢𝐧𝐞 designs impeccable web applications that help the company in branding and get featured in App stores. 𝐀𝐩𝐩𝐢𝐧𝐠𝐢𝐧𝐞 develops apps for Android and IOS devices. The company is known for its ... read Appingine reviews & insights
$25 - $49/hr50 - 2492008Los Angeles, CaliforniaVerified Client Review
-Mobile App Design & Development Service for Education App .
reviewed by: Brandon Walker, Founder at IFS e-Learning -
Seasia Infotech, a CMMI Level 5 certified software development company, has been empowering businesses with innovative solutions for over two decades utilizing Seasia Agile Model (SAM). This proprietary model, coupled with Seasia's commitment to using cutting-edge tools and technologies, positions us uniquely in the market to deliver unparalleled value and quality in our software solutions. More reasons to choose ... read Seasia Infotech reviews & insights
< $25/hr250 - 9992000Emeryville, CaliforniaVerified Client Review
-Outstanding Website Development Partner for Real Estate Development
reviewed by: Vish Walia, CEO at Realesta -
You deserve the freedom to build better digital experiences. Every day, we help SaaS and consumer companies achieve efficient digital transitions with done-for-you software and seamless talent solutions. From legacy software modernization and custom development to scalable staff augmentation and specialty tech expertise, we deliver premium digital solutions that fuel growth. Join 250+ companies scaling ... read Spiral Scout reviews & insights
$50 - $99/hr50 - 2492010San Francisco, CaliforniaVerified Client Review
-Working with Spiral Scout was quick, easy, and highly efficient.
reviewed by: Dr. Thara Vayali, ND, Chief Medical Officer at Hey Freya -
Since 2008 we have done nothing but work and specialize in Software Engineering Alto refers to ¨high¨ in Spanish. It also refers to Palo Alto, California, where the company was founded, even though the two co-founders are from the other side of the planet, Argentina.
NA50 - 2492014Palo Alto, CaliforniaVerified Client Review
-Excellent team
reviewed by: Gabriel Muoz, Founder at Emov Electric -
Yellowstone Labs is a software staff augmentation company focused on helping organizations build and maintain reliable engineering capacity without the challenges of constant hiring or team turnover. We provide full-time software engineers who work alongside client teams, contributing directly to product development, system enhancements, and ongoing technical initiatives. Our company operates as a single organization ... read Yellowstone Labs reviews & insights
$25 - $49/hr10 - 492024Signal Hill, CaliforniaVerified Client Review
-Yellowstone Labs' AI and offline features transformed our platform, exceeding expectations.
reviewed by: Juan Pestana, CTO at Buildpeer -
Nefter helps U.S. companies scale their engineering teams with top-tier LATAM developers. Our staffing model delivers fully integrated, long-term engineers who work in real time with U.S. teams. Key results: • 40%–50% hiring cost reduction • First vetted candidates delivered in 72 hours • 85% client acceptance rate on presented engineers • 92% annual retention ... read Nefter reviews & insights
$25 - $49/hr10 - 492025San Diego, CaliforniaVerified Client Review
-Outstanding team!
reviewed by: Carlos Salvador -
With headquarters in Bolivia and a presence across Latin America, we provide nearshore staff augmentation services to help businesses scale with confidence. Our engineers specialize in software development,QA, DevOps, and more.
$25 - $49/hr1,000 - 9,9992001San Francisco, CaliforniaVerified Client Review
-A seamless extension of our internal team with talent that consistently exceeds expectations.
reviewed by: Brian Whitney, Former Product Engineering Senior Director at ScienceLogic -
As a leading software development company, Matellio has established itself as a trusted partner for businesses across industries worldwide. Our journey began in 2014 with a small team of 25 passionate developers focused on providing custom software development services to startups and small businesses. We started exploring ways to create innovative technological solutions. As we ... read Matellio Inc reviews & insights
$50 - $99/hr50 - 2492014San Jose, CaliforniaVerified Client Review
-Great Shopping Stop
reviewed by: Abhijit Nath, Research Student at University of Cape Town -
We provide strategy, design, and development services for top startups and global enterprises. Our bread and butter is product strategy, mobile and web applications, UX/UI design, front-end web development, back-end infrastructure, and server support. Our core methodology is rooted in agile and is a client-centric, zero-waste development process that delivers immediate and long-term business value. ... read VentureDevs reviews & insights
NA50 - 2492016Los Angeles, CaliforniaVerified Client Review
-Got what we needed....and more!
reviewed by: Billy Dutton, Co-Founder at at Music.com -
SumatoSoft builds complex custom software to help companies apply the best IT innovations to meet their goals through business digitalization. 5 key points we follow and stand for: Focus first on the business value delivery; Make the software delivery process transparent and predictable; Use only relevant solutions, approaches, and technologies; Build reliable and trustworthy communication; ... read SumatoSoft reviews & insights
$50 - $99/hr50 - 2492012San Francisco, CaliforniaVerified Client Review
-A highly skilled and responsive team that delivered outstanding results under challenging deadlines.
reviewed by: Viktoryia Maiseyeva -
Roweb is a custom software development company with 20+ years of experience helping global clients build scalable digital products and high-performing development teams. From startups to large enterprises, we specialize in long-term partnerships that support business growth through tailored web and mobile solutions, automation tools, and digital platforms. In 2025, Roweb joined Sirma Group — ... read Roweb Development reviews & insights
NA50 - 2492004San Francisco, CaliforniaVerified Client Review
-Excelent
reviewed by: Sorin-Stefan Ungureanu, General Manager at Seatbelt Consulting SRL -
Systango excels in IT services with 1,000+ projects in 25 countries. Our 250+ experts drive 40% productivity gains. Our cloud-based solutions have led to cost reductions of up to 50%. Elevate your digital presence while maintaining top-tier security and scalability with Systango!
$25 - $49/hr250 - 9992007San Francisco, CaliforniaVerified Client Review
-Positive experience with Systango
reviewed by: Esther Garibay, Project Officer at The Wellcome Trust Brighton and Sussex Centre for Global Health Research -
American Web Coders is one of the prominent website design and development companies based in the USA. A company has achieved numerous awards by delivering top-quality solutions across the world.
NA10 - 492012Los Angeles, CaliforniaVerified Client Review
-They delivered a stunning website that boosted my SEO and user engagement—worth every penny!
reviewed by: Giggy Brok, Marketing Manager at Solution Thinker (AAF Tech) -
Innovate. Collaborate. Build. GeekyAnts is a global technology consulting firm specializing in digital transformation, end-to-end app development, digital product design, and custom software solutions. We have strong teams in the USA, India, and UK. Our mission is to combine the capabilities of human expertise and modern technologies to deliver innovative, scalable solutions. Industries we specialize ... read GeekyAnts reviews & insights
$25 - $49/hr250 - 9992006San Francisco, CaliforniaVerified Client Review
-Very good partner for software development
reviewed by: Ketan Anand -
Altoros, with headquarters in the United States, operates major development centers in Argentina and Poland. This enables the company to offer competitive rates, align with different time zones, and provide high communication and technological skills, making it a top choice for customers.Take your software products to a completely new level and maximize ROI with Altoros. ... read Altoros Labs reviews & insights
$50 - $99/hr250 - 9992001Pleasanton, CaliforniaVerified Client Review
-I'm really impressed
reviewed by: Terrill Stehech, Web Developer Specialist at Axway Inc -
Based in San Diego, Tateeda is a distinguished custom software development firm and staff augmentation provider. Our impressive talent pool includes more than 100 seasoned engineers. We specialize in assisting companies across various high-tech and business sectors in crafting impactful and scalable software solutions. Our dedicated team is committed to bringing your vision to life ... read TATEEDA GLOBAL LLC reviews & insights
$50 - $99/hr50 - 2492013San Diego, CaliforniaVerified Client Review
-Software Development For A Pharmacy Network
reviewed by: Maryna Bizhikian -
Nextware delivers high-quality development, IT and business process services through its team of technically skilled, agile and responsive professionals.Nextware delivers high-quality development, IT and business process services through its team of technically skilled, agile and responsive professionals.Nextware strives to be your most trusted and recommended partner – the one you rely on to get the ... read Nextware Technologies reviews & insights
$100 - $149/hr50 - 2492006Santa Monica, CaliforniaVerified Client Review
-Highly recommend them!
reviewed by: Romeo Elias, President and CEO at Intellect, formerly Interneer Inc. -
ETEAM is a seasoned digital product agency specializing in transformative growth for different types of businesses, from VC-backed startups to the largest company in the world, for the last decade. We're best known for translating the complex world of digital development into clear and easy-to-understand processes – which results in building better, more cost-effective applications ... read ETEAM reviews & insights
$50 - $99/hr50 - 2492016Irvine, CaliforniaVerified Client Review
-A terrific experience with a contracted engineering team
reviewed by: Corbin Fraser, Group Product Manager at at Bitcoin.com -
Technology Mindz is a cutting-edge IT service and solution provider that empowers enterprises to reshape their businesses in the digital era. With over a decade of expertise and innovation in design, development, and support, we serve as a comprehensive solution for enterprises seeking to overcome their critical IT challenges.
$25 - $49/hr50 - 2492012Cupertino, CaliforniaVerified Client Review
-The IT services provided by Technology Mindz are of a high standard.
reviewed by: Ama William -
DemandDynamics offers On Demand Services for Dynamics 365 customers. Our On Demand Services is a Pay-as-you-Use engagement model which offers our customers Continuous Engagement and On Demand Execution. Our array of Dynamics 365 services include Advisory, Development, Customization, Integration, and Maintenance.
NA50 - 2492020Irvine, CaliforniaVerified Client Review
-It was a great experience working with DemandDynamics for Dynamics CRM Implementation
reviewed by: DemandBlue -
Secure Techies is a trusted Managed IT Service Providers in Los Angeles, California. We give the best quality resources and labor to ensure your network, devices, and systems for your business. For more, visit our website. Secure Techies
NA10 - 49Woodland Hills, California -
ISSQUARED, Inc. is an IT Infrastructure and Security company that was founded in 2010. We deliver Infrastructure Technology Solutions that can include a mix of Networks, Server/Storage, Operating Systems, Databases, Middleware, Enterprise Applications Infrastructure Stack, and Virtualization, We deliver IT Managed Services to support the IT Infrastructure, and operate a Security Operations Center for our ... read ISSQUARED INC reviews & insights
NA250 - 9992009California City, California -
Zoltis Technologies is a Los Angeles-based company that offers computer support, help desk remote support, and expert-managed services. With over 20 years of experience designing software and information systems for small businesses, we use the industry-standard network, workstation, and server remote management technologies to monitor and manage your small business's overall performance, productivity, and security ... read Zoltis Technologies reviews & insights
NA2 - 9Los Angeles, California -
CyberProof is a security services company that intelligently manages your incident detection and response. Our advanced cyber defense platform enables operational efficiency with complete transparency to dramatically reduce the cost and time needed to respond to security threats and minimize business impact. SeeMo, our virtual analyst, automates and accelerates cyber operations by learning and adapting ... read CyberProof reviews & insights
$25 - $49/hr50 - 2492017Aliso Viejo, California -
Digital Shadows minimizes digital risk by identifying unwanted exposure and protecting against external threats. Organizations can suffer regulatory fines, loss of intellectual property, and reputational damage when digital risk is left unmanaged. Digital Shadows SearchLight™ helps you minimize these risks by detecting data loss, securing your online brand, and reducing your attack surface. To learn ... read Digital Shadows reviews & insights
$25 - $49/hr10 - 492011San Francisco, California -
Cyber Defense Group (CDG) is a focused cyber security specialist that provides maximum defense using exceptional knowledge and the most advanced technology against today's advanced threats. We are the trusted security advisor to many leading organizations across the globe, working with our clients to deliver a holistic approach to cyber security.
< $25/hr10 - 492016Los Angeles, California -
LA Networks helps large and small organizations understand, adapt, implement and evolve network infrastructure technologies, cyber security solutions, and managed IT services. We are an authentic, engineering-first organization that stays true to this identity. Technology excites and intrigues us and we never stop working to master the latest innovations from our key partner, Cisco. For ... read LA Networks reviews & insights
$25 - $49/hr10 - 491997Los Angeles, California -
Frontline is a top-ranked Managed IT Service Provider in Los Angeles that offers a comprehensive suite of managed services, including network management, cybersecurity, cloud solutions, data backup, and IT consulting. https://www.frontlineinc.com With Frontline as your trusted managed IT services provider, you are guaranteed a robust and efficient technology infrastructure for your business. Our managed IT services is designed to ... read Frontline, LLC - Managed IT Services reviews & insights
NA10 - 492010Los Angeles, California -
Crimson IT (CIT) is all about customer service. We promise that you will fall in love with our IT support. While our competitors focus on technology and ignore the person using the technology, we focus on both. Customers appreciate the fact that we are experts with technology, but they love us because we treat them ... read Crimson IT reviews & insights
$25 - $49/hr10 - 492011Los Angeles, California -
FPA Technology Services, Inc. is the preeminent outsourced IT service provider for growing businesses in the greater Los Angeles area specializing in working with Registered Investment Advisors, CPA's and Business Managers, Manufacturers and Distributors, and Non-Profits. As a single source for all the technology services an organization may need, FPA focuses on assisting clients to ... read FPA Technology Services reviews & insights
$25 - $49/hr10 - 491991Los Angeles, California -
Cyber-confidence is our Mission. Trust, transparency, accountability, technology, skills and experience together in one, harmonized process. We integrate Managed Security Services with IT teams and Service Providers. The latest in AI, Machine Learning and Cloud technologies allow us to purpose-build AI-based software that keep costs low and quality high. In development for over a decade, ... read ICE Cybersecurity reviews & insights
< $25/hr2 - 92016San Diego, California -
Here at Deloitte, we are continuously evolving how we work and how we look at marketplace challenges so we can continue to deliver measurable, sustainable results for our clients and our communities.
< $25/hr50 - 2492001San Diego, California -
At RSI Security we take great pride in presenting unbiased, independent, and technical in-depth security assessment. We don't have a conflict of interest when it comes to your security weaknesses since we're not interested in implementing your network or selling you additional hardware and software. We simply want to share our expert security guidance so ... read RSI Security reviews & insights
< $25/hr10 - 492008San Diego, California -
Let’s be clear, while we’ll gladly come in and fix what’s broken, we’d prefer that you never experience the loss of business continuity that comes from IT troubles. At Wendego, our business model is based on relentlessly working to prevent system failures or loss of data that can cost your company in the long run. ... read Wendego IT Solutions reviews & insights
< $25/hr2 - 92006San Diego, California -
SOCBOX IS A TEAM OF WORLD-CLASS CYBERSECURITY EXPERTS DEDICATED TO HELPING YOU PROTECT YOUR COMPANY. WE COMBINE A STATE-OF-THE-ART SECURITY OPERATIONS CENTER (SOC) WITH THE BEST CYBERSECURITY TOOLS AND MANAGED SECURITY SERVICES AVAILABLE, DEPLOYED RAPIDLY TO ANY SIZE ENVIRONMENT AT A REDUCED COST.
< $25/hr10 - 49San Diego, California -
AttackIQ, a leader in the emerging market of continuous security validation, built the industry’s first platform that enables red and blue teams to test the effectiveness of their security controls and staff. Our platform supports the MITRE ATT&CK Matrix, a curated knowledge base and model for cyber adversary behavior used for planning security improvements and ... read AttackIQ reviews & insights
< $25/hr50 - 2492013San Diego, California -
Network Titan was founded in 2006 by Mike Hughes because he could no longer find purpose working at AT&T. Mike was a Senior Tier III Network Engineer. Rising into management at a company that size meant lots of meaningless paperwork and bureaucracy. Mike likes to help people, and demystifying technology for small businesses in San ... read Network Titan reviews & insights
< $25/hr2 - 92006San Diego, California -
We specialize in server and workstation installation, and IT support for small medium business in San Diego area and surroundings. We have been helping local small businesses expand and upgrade their existing network. Our typical customer has 5 to 50 workstations and 1 to 10 servers depending on the size of their network, and they ... read Pinnacle Access reviews & insights
< $25/hr2 - 91989San Diego, California -
Logically is the leading provider of Managed IT Services to small and midsize organizations. We help our customers leverage the power of information technology to achieve their goals by becoming their trusted IT ally. Since 1999, we have made IT management easy and secure for hundreds of corporations, healthcare organizations, non-profits and public sector agencies. ... read Logically reviews & insights
< $25/hr250 - 9991999San Diego, California -
AUSGAR is a company of smart, innovative technical team members who can out-think problems faced by our customers in the cybersecurity, experimentation and engineering services marketplace. Specializing in security engineering and accreditation, we protect devices, networks and systems. We successfully execute experimentation and exercises to transition technology to the fleet expeditiously. We also provide a ... read AUSGAR Technologies reviews & insights
< $25/hr50 - 2492003San Diego, California -
Infoguard was founded in the heart of California’s Silicon Valley in 2004 in response to the growing need for top quality services at reasonable rates. Since then many organizations have experienced, with a great level of satisfaction, the technical expertise and quality service provided by our professionals. Our mission is to provide our clients with ... read Infoguard Cyber Security reviews & insights
$25 - $49/hr10 - 492004San Jose, California -
Veltec Networks, Inc. is a Silicon Valley Network Consulting and Managed Services Provider serving businesses in the San Francisco Bay Area. Veltec Networks provide a wide range of IT services tailored to meet the requirements of small and medium businesses. In addition to these services, we also offer Virtual CIO functions that functions as the ... read Veltec Networks reviews & insights
$25 - $49/hr10 - 492007San Jose, California -
Infortech provides Managed IT Services and Tailored Cyber Security, Private and Hybrid Cloud Solutions. Our services cover planning, design, implementation, management, and support of all aspects of IT Infrastructure, including Networks, Data Security Systems, Servers, Desktops, VOIP PBX Systems, and Internet Connectivity Services. We are a Microsoft MidMarket Cloud Solutions Partner and a Managed Security ... read Infortech reviews & insights
$25 - $49/hr10 - 491999San Jose, 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.