Top System Integration Companies in California
-
Featured
What are Featured Providers?
$10,000+$25 - $49 / hr250 - 999Serves CaliforniaServices provided
See all 43 projectsEdvantis is a versatile technology company specializing in software development, data security, and performance testing. Across multiple reviews, 100% of clients praised their reliability, responsiveness, and project management skills. Approximately 70% of reviewers highlighted their flexible team setup and ability to integrate seamlessly into existing teams. Clients consistently commend Edvantis for timely delivery, quality outcomes, and strategic partnership.
-
$100,000+$150 - $199 / hr10 - 49San Diego, CA
Services provided
MoxeHub is a small web development firm established in 2018. Their team offers Web Development and Mobile App Development.
Read more -
$1,000+$150 - $199 / hr10 - 49Los Angeles, CA
Services provided
HealthtechIT is an IT managed services company. Based in Los Angeles, California, the agency was launched in 2007. Their services include IT managed services and IT strategy consulting.
Read more -
$1,000+$25 - $49 / hr10 - 49Los Angeles, CA
Services provided
IQV Cloud is a Cybersecurity company. The Los Angeles, California-based firm was founded in 2012. Their services include Cybersecurity and BI & big data consulting & SI.
Read more -
$5,000+$150 - $199 / hr10 - 49Los Angeles, CA
Services provided
Simplified IT Consulting is an IT managed services company. Founded in 2015, their team offers IT managed services and IT strategy consulting.
Read more -
$10,000+$50 - $99 / hr10 - 49San Diego, CA
Services provided
Xonique is an artificial intelligence firm established in 2010. Their team provides Artificial Intelligence and Generative AI.
Read more -
$1,000+$25 - $49 / hr10 - 49Morgan Hill, CA
Services provided
GreatWorks Technologies is a big data company. The Chennai, India-based team offers BI & big data consulting & SI and Custom Software Development.
Read more -
$5,000+$25 - $49 / hr10 - 49Cupertino, CA
Services provided
See all 1 projectsDeemsoft is a technology company specializing in AI-driven marketing solutions. Reviews highlight their strong expertise, project management skills, and commitment to delivering quality and timely work. While bugs were initially present, Deemsoft's responsiveness ensured quick resolutions. Overall, 100% of the feedback is positive, emphasizing their knowledgeable team and effective lead generation outcomes.
-
$5,000+$150 - $199 / hr2 - 9San Mateo, CA
Services provided
Based in San Mateo, California, Janus Networks is an IT managed services company. Launched in 2007, the team specializes in IT managed services and Custom Software Development.
Read more -
UndisclosedUndisclosed2 - 9Garden Grove, CA
Services provided
OsoLabs is a social media marketing agency founded in 2007. The team offers Social Media Marketing and Email Marketing.
Read more -
UndisclosedUndisclosed2 - 9Temecula, CA
Services provided
Map Ranking is a social media marketing agency. Founded in 2023, the agency specializes in Social Media Marketing and Search Engine Optimization.
Read more -
$1,000+$25 - $49 / hr10 - 49San Francisco, CA
Services provided
Transformyze is a CRM consulting and SI company. Founded in 2022, the company is in San Francisco, California. Their services include CRM consulting and SI and IT managed services.
Read more -
$1,000+$150 - $199 / hr10 - 49Oceanside, CA
Services provided
Cyfer Tech, an IT strategy consulting company, is headquartered in Oceanside, California and Culver City, California. Their services include IT strategy consulting and cloud consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49Westlake Village, CA
Services provided
IT strategy consulting company AI Managed IT Services specializes in IT strategy consulting and cloud consulting & SI. They were founded in 2004.
Read more -
$5,000+Undisclosed2 - 9Redondo Beach, CA
Services provided
JumpSmartTalent, a Recruiting company, was established in 2015. The company provides Recruiting and BI & big data consulting & SI, and is small.
Read more -
$1,000+$150 - $199 / hr2 - 9Samoa, CA
Services provided
Based in Samoa, California, Alternative Business Concepts is an IT managed services company. Their services include IT managed services and unified communications consulting & SI.
Read more -
$5,000+Undisclosed2 - 9San Diego, CA
Services provided
Clinical Enroll is a Conversion Optimization company. Based in San Diego, California, the team provides Conversion Optimization and Pay Per Click.
Read more -
$5,000+$100 - $149 / hr10 - 49Los Angeles, CA
Services provided
Established in 1991, FPA Technology Services Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.
Read more -
UndisclosedUndisclosed10 - 49Los Angeles, CA
Services provided
Infinitely Virtual (IV), an IT managed services company, is based in Los Angeles, California. The team offers IT managed services and Cybersecurity.
Read more -
$1,000+< $25 / hr10 - 49San Ramon, CA
Services provided
Tophat Software Pvt Ltd, a web development firm, was established in 2018. The firm provides Web Development and E-Commerce Development, and is small.
Read more -
$10,000+$100 - $149 / hr10 - 49Los Angeles, CA
Services provided
E-commerce development firm Dimension Software is based in Los Angeles, California. Established in 1998, the team focuses on E-Commerce Development and Mobile App Development.
Read more -
UndisclosedUndisclosed2 - 9Glendale, CA
Services provided
ITGurus is an IT strategy consulting company. Based in Glendale, California, the agency was founded in 2013. Their team provides IT strategy consulting and cloud consulting & SI.
Read more -
$1,000+$150 - $199 / hr2 - 9Salinas, CA
Services provided
Adaptive Information Systems is an IT strategy consulting company. The Salinas, California-based firm provides IT strategy consulting and cloud consulting & SI.
Read more -
Undisclosed$150 - $199 / hr2 - 9Redlands, CA
Services provided
Technolene Solutions, Inc. Is a small IT managed services company. They specialize in IT managed services and IT strategy consulting and were launched in 2009.
Read more -
$1,000+$100 - $149 / hr2 - 9Los Angeles, CA
Services provided
See all 2 projectsOnTime Tech Pros is an IT services provider specializing in comprehensive IT integration and support. With 100% positive feedback, clients commend their reliable and timely service delivery, highlighting their responsive and courteous approach. The company is noted for its exceptional project management and alignment with clients' values and needs.
-
$10,000+$150 - $199 / hr50 - 249Agoura Hills, CA
Services provided
IT strategy consulting company Key Information Systems is based in Agoura Hills, California. Their services include IT strategy consulting and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249Fremont, CA
Services provided
InterSources Inc, a midsize UX agency, is based in Wilmington, Delaware and Fremont, California. The team provides UX/UI Design and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249Sunnyvale, CA
Services provided
Launched in 2004, itsoli is an IT strategy consulting company. The team specializes in IT strategy consulting and ERP consulting and SI.
Read more -
UndisclosedUndisclosed50 - 249Pleasanton, CA
Services provided
AllianceIT Inc is a data analytics company. In Pleasanton, California, the team specializes in BI & big data consulting & SI and ERP consulting and SI.
Read more -
UndisclosedUndisclosed50 - 249San Jose, CA
Services provided
Infobahn Softworld Inc is a cloud consulting & SI company. The agency is based in Toronto, Canada and San Jose, California. Their team focuses on cloud consulting & SI and Application Testing.
Read more -
UndisclosedUndisclosed1,000 - 9,999Sunnyvale, CA
Services provided
Xoriant is an UX agency launched in 1990. The company offers UX/UI Design and BI & big data consulting & SI, and is large.
Read more -
UndisclosedUndisclosed50 - 249Pleasanton, CA
Services provided
Shimento, Inc. Is an IT strategy consulting company established in 2009. Their team offers IT strategy consulting and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed1,000 - 9,999Walnut Creek, CA
Services provided
Exadel People is an user experience design agency launched in 1998. The team provides UX/UI Design and IT strategy consulting.
Read more -
UndisclosedUndisclosed50 - 249Cupertino, CA
Services provided
Codenatives, a CRM consulting and SI company, was launched in 2012. The midsize team offers CRM consulting and SI and Mobile App Development.
Read more -
UndisclosedUndisclosed50 - 249Redondo Beach, CA
Services provided
Silicon Prime AI is a midsize IT strategy consulting company. They provide IT strategy consulting and Custom Software Development and were established in 2011.
Read more -
$5,000+$100 - $149 / hr10 - 49Sacramento, CA
Services provided
Capital Network Solutions is an IT managed services company. The Sacramento, California-based agency was established in 1989. Their team provides IT managed services and cloud consulting & SI.
Read more -
$5,000+$150 - $199 / hr50 - 249Torrance, CA
Services provided
IT managed services company DivergeIT offers IT managed services and Cybersecurity. They are based in Torrance, California and Memphis, Tennessee.
Read more -
Undisclosed$25 - $49 / hr50 - 249Fremont, CA
Services provided
Launched in 2017, Ratna Global Tech is a midsize IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.
Read more -
$1,000+$50 - $99 / hr10 - 49Sacramento, CA
Services provided
See all 1 projectsAt Rysysth Technologies, we design and build AI systems that bring automation, intelligence, and adaptability to businesses ready to lead — not lag.From copilots to custom AI agents, from
Read more -
$1,000+$25 - $49 / hr10 - 49Burbank, CA
Services provided
See all 1 projectsKanusoft LLC is a California-based full-service software solutions company delivering high-quality systems, mobile apps, games, digital products, and marketing solutions for clients
Read more -
$5,000+$100 - $149 / hr10 - 49Los Angeles, CA
Services provided
Vitalpoint IT Suport Los Angeles is a small Los Angeles, California-based IT managed services company. The team focuses on IT managed services and Cybersecurity.
Read more -
$1,000+$100 - $149 / hr10 - 49Rancho Cordova, CA
Services provided
Small IT managed services company Datacate, Inc, is headquartered in Rancho Cordova, California. The team focuses on IT managed services and IT strategy consulting.
Read more -
$1,000+$150 - $199 / hr10 - 49Laguna Hills, CA
Services provided
ProTechtion IT is an IT managed services company. They are in Laguna Hills, California. Their team focuses on IT managed services and cloud consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49Torrance, CA
Services provided
Offsoar, a big data company, was founded in 2012. The team specializes in BI & big data consulting & SI and Web Development.
Read more -
UndisclosedUndisclosed10 - 49San Diego, CA
Services provided
Simpletech IT Solutions Inc. Is an IT strategy consulting company established in 2012. Their team provides IT strategy consulting and cloud consulting & SI.
Read more -
$25,000+$150 - $199 / hr10 - 49Newport Beach, CA
Services provided
LYSI is a small IT strategy consulting company. They offer IT strategy consulting and IT managed services and were established in 2018.
Read more -
$10,000+$150 - $199 / hr10 - 49Irvine, CA
Services provided
SignalAge is an IT strategy consulting company. The Irvine, California-based team provides IT strategy consulting and cloud consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49San Francisco, CA
Services provided
CodeCones is a cloud consulting & SI company. Based in San Francisco, California, the company offers cloud consulting & SI and Custom Software Development.
Read more -
$1,000+$50 - $99 / hr10 - 49Costa Mesa, CA
Services provided
AI development company OpenDrawing focuses on Artificial Intelligence and Data Annotation Services. They were established in 2024.
Read more -
UndisclosedUndisclosed10 - 49Mountain View, CA
Services provided
Launched in 2015, Clodura.AI, a small Market Research company, is located in Mountain View, California and Pune, India. Their services include Market Research and Email Marketing.
Read more -
UndisclosedUndisclosed10 - 49Oakland, CA
Services provided
PC Professional, Inc., a small IT managed services company, is based in Oakland, California. Their services include IT managed services and Cybersecurity.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 California Best System Integration Companies & Services
-
$10,000+$25 - $49 / hr50 - 249Carlsbad, CA
Ability to deliver
34.6/40.017.4/20 Reviews7.5/10 Clients & Experience9.7/10 Market PresenceService focus
70% System Integrators30% Other -
$25,000+Undisclosed250 - 999Los Angeles, CA
Ability to deliver
31.4/40.015.8/20 Reviews6.7/10 Clients & Experience8.9/10 Market PresenceService focus
50% System Integrators50% Other -
$5,000+$100 - $149 / hr10 - 49El Segundo, CA
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% System Integrators70% Other -
$5,000+$200 - $300 / hr50 - 249San Jose, CA
Ability to deliver
35.7/40.017.2/20 Reviews9/10 Clients & Experience9.5/10 Market PresenceService focus
35% System Integrators65% Other -
UndisclosedUndisclosed10 - 49Newport Beach, CA
Ability to deliver
32.4/40.016.2/20 Reviews9.2/10 Clients & Experience6.9/10 Market PresenceService focus
60% System Integrators40% Other -
$1,000+$150 - $199 / hr50 - 249San Francisco, CA
Ability to deliver
30.3/40.016.2/20 Reviews8.8/10 Clients & Experience5.3/10 Market PresenceService focus
75% System Integrators25% Other -
$10,000+$100 - $149 / hr10 - 49San Francisco, CA
Ability to deliver
33.4/40.016/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
50% System Integrators50% Other -
$5,000+$50 - $99 / hr10 - 49Carlsbad, CA
Ability to deliver
32.9/40.018/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
65% System Integrators35% Other -
$5,000+$100 - $149 / hr10 - 49El Segundo, CA
Ability to deliver
30.8/40.016.2/20 Reviews8.1/10 Clients & Experience6.5/10 Market PresenceService focus
70% System Integrators30% Other -
$50,000+$50 - $99 / hr50 - 249Los Angeles, CA
Ability to deliver
36.2/40.016.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% System Integrators80% Other -
$10,000+$25 - $49 / hr50 - 249San Francisco, CA
Ability to deliver
33.7/40.016.4/20 Reviews8.8/10 Clients & Experience8.5/10 Market PresenceService focus
30% System Integrators70% Other -
$5,000+$150 - $199 / hr10 - 49Los Angeles, CA
Ability to deliver
34.6/40.015.8/20 Reviews9.3/10 Clients & Experience9.5/10 Market PresenceService focus
30% System Integrators70% Other -
$5,000+$200 - $300 / hr250 - 999Glendale, CA
Ability to deliver
36.5/40.017/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% System Integrators90% Other -
$25,000+$150 - $199 / hr50 - 249Los Angeles, CA
Ability to deliver
31.5/40.014.2/20 Reviews9.6/10 Clients & Experience7.7/10 Market PresenceService focus
40% System Integrators60% Other -
$1,000+$150 - $199 / hr50 - 249Vista, CA
Ability to deliver
35.4/40.018.2/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% System Integrators80% Other -
UndisclosedUndisclosed50 - 249San Ramon, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% System Integrators85% Other -
$10,000+$200 - $300 / hr10 - 49Manhattan Beach, CA
Ability to deliver
33.3/40.017.8/20 Reviews8.6/10 Clients & Experience6.9/10 Market PresenceService focus
70% System Integrators30% Other -
$5,000+$150 - $199 / hr10 - 49Los Angeles, CA
Ability to deliver
36.7/40.020/20 Reviews7.1/10 Clients & Experience9.6/10 Market PresenceService focus
15% System Integrators85% Other -
$5,000+$150 - $199 / hr10 - 49San Jose, CA
Ability to deliver
35.9/40.017.2/20 Reviews9.6/10 Clients & Experience9.1/10 Market PresenceService focus
20% System Integrators80% Other -
$10,000+$100 - $149 / hr50 - 249Santa Monica, CA
Ability to deliver
27.1/40.016.2/20 Reviews4.4/10 Clients & Experience6.5/10 Market PresenceService focus
80% System Integrators20% Other -
UndisclosedUndisclosed250 - 999San Francisco, CA
Ability to deliver
20.7/40.015/20 Reviews0/10 Clients & Experience5.7/10 Market PresenceService focus
60% System Integrators40% Other -
$10,000+$200 - $300 / hr50 - 249Beverly Hills, CA
Ability to deliver
30.6/40.015.2/20 Reviews7.7/10 Clients & Experience7.6/10 Market PresenceService focus
40% System Integrators60% Other -
$50,000+Undisclosed250 - 999San Francisco, CA
Ability to deliver
32.5/40.015.6/20 Reviews9/10 Clients & Experience7.9/10 Market PresenceService focus
20% System Integrators80% Other -
$5,000+$150 - $199 / hr10 - 49Chino, CA
Ability to deliver
30.9/40.016/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
45% System Integrators55% Other -
$5,000+$150 - $199 / hr50 - 249Los Angeles, CA
Ability to deliver
35.1/40.016.6/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
15% System Integrators85% Other -
$10,000+$150 - $199 / hr10 - 49Los Angeles, CA
Ability to deliver
31.9/40.016.2/20 Reviews9.6/10 Clients & Experience6.1/10 Market PresenceService focus
100% System Integrators -
$10,000+$150 - $199 / hr50 - 249San Diego, CA
Ability to deliver
31.5/40.016.2/20 Reviews5.6/10 Clients & Experience9.7/10 Market PresenceService focus
30% System Integrators70% Other -
UndisclosedUndisclosed50 - 249Calabasas, CA
Ability to deliver
31.4/40.016.8/20 Reviews6.5/10 Clients & Experience8.1/10 Market PresenceService focus
70% System Integrators30% Other -
$50,000+$100 - $149 / hr10 - 49Los Angeles, CA
Ability to deliver
34.9/40.018/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
15% System Integrators85% Other -
$5,000+$200 - $300 / hr10 - 49Santa Clarita, CA
Ability to deliver
33.1/40.017.2/20 Reviews7.5/10 Clients & Experience8.5/10 Market PresenceService focus
25% System Integrators75% Other
