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.
-
$5,000+$150 - $199 / hr2 - 9Redlands, CA
Services provided
Established in 2011, eTop Technology, Inc is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.
Read more -
Undisclosed$100 - $149 / hr50 - 249El Segundo, CA
Services provided
Veganext is a Cybersecurity company founded in 2017. The midsize team focuses on Cybersecurity and IT managed services.
Read more -
UndisclosedUndisclosed10 - 49Corona, CA
Services provided
Everconnect Data Systems is a cloud consulting & SI company. The small Corona, California-based team offers cloud consulting & SI and IT strategy consulting. The company was launched in 2010.
Read more -
UndisclosedUndisclosed10 - 49Irvine, CA
Services provided
MR2 Solutions is an IT strategy consulting company. In Irvine, California, the firm provides IT strategy consulting and cloud consulting & SI.
Read more -
Undisclosed$150 - $199 / hr250 - 999Irvine, CA
Services provided
Solugenix is an ERP consulting and SI company. The Irvine, California-based agency was launched in 1969. Their services include ERP consulting and SI and IT managed services.
Read more -
Undisclosed$150 - $199 / hr50 - 249Torrance, CA
Services provided
Headquartered in Torrance, California, Calsoft Systems is a midsize CRM consulting and SI and ERP consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.
Read more -
$10,000+$50 - $99 / hr1,000 - 9,999San Francisco, CA
Services provided
AKQA is a CRM consulting and SI company. In San Francisco, California and London, England, the firm was founded in 1994. Their team provides CRM consulting and SI and E-Commerce Development.
Read more -
$5,000+$100 - $149 / hr250 - 999Newport Beach, CA
Services provided
DynTek is a midsize Newport Beach, California-based IT strategy consulting company. Their services include IT strategy consulting and Custom Software Development.
Read more -
$5,000+$100 - $149 / hr250 - 999San Jose, CA
Services provided
Founded in 2004, Netenrich, Inc. Is a Cybersecurity company. The team specializes in Cybersecurity and cloud consulting & SI.
Read more -
$5,000+$25 - $49 / hr1,000 - 9,999Santa Clara, CA
Services provided
Wangsu is a big data company. They are based in Santa Clara, California and Beijing, China, and their services include BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed250 - 999Campbell, CA
Services provided
Saama, a business intelligence company and cloud consulting & SI company, was established in 1997. The team focuses on BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed250 - 999Mountain View, CA
Services provided
Located in Mountain View, California, Redis Labs is a midsize artificial intelligence development company. The team offers Artificial Intelligence and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249Santa Barbara, CA
Services provided
Ontraport is a CRM consulting and SI company. The Santa Barbara, California-based company was launched in 2008. Their team provides CRM consulting and SI and Email Marketing.
Read more -
UndisclosedUndisclosed50 - 249San Diego, CA
Services provided
PrediqTank is a Product Design company. They specialize in Product Design and BI & big data consulting & SI and are based in San Diego, California.
Read more -
UndisclosedUndisclosed50 - 249Santa Clara, CA
Services provided
Wilco Source, a cloud consulting & SI and CRM consulting and SI company, is in Santa Clara, California. They focus on cloud consulting & SI and CRM consulting and SI.
Read more -
UndisclosedUndisclosed50 - 249Campbell, CA
Services provided
Arcsona, a CRM consulting and SI company, is headquartered in Campbell, California. Launched in 2011, the team provides CRM consulting and SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49San Francisco, CA
Services provided
Original Shift is a cloud consulting & SI and CRM consulting and SI company. Founded in 2018, their team focuses on cloud consulting & SI and CRM consulting and SI.
Read more -
UndisclosedUndisclosed10 - 49Turlock, CA
Services provided
Founded in 2017, Cloud Pathfinder Consulting is a cloud consulting & SI and CRM consulting and SI company. The small team specializes in cloud consulting & SI and CRM consulting and SI.
Read more -
UndisclosedUndisclosed50 - 249San Diego, CA
Services provided
SoftClouds is a cloud consulting & SI company launched in 2005. Their team offers cloud consulting & SI and CRM consulting and SI.
Read more -
$1,000+$25 - $49 / hr50 - 249Anaheim, CA
Services provided
EQuestever - ERP, CRM Implementation & Digital Marketing Company is a SEO agency. Launched in 2014, the company offers Search Engine Optimization and CRM consulting and SI.
Read more -
UndisclosedUndisclosed10 - 49Manhattan Beach, CA
Services provided
ECM consulting and SI and unified communications consulting & SI company IncWorx Consulting focuses on ECM consulting and SI and unified communications consulting & SI. They were established in
Read more -
UndisclosedUndisclosed50 - 249Irvine, CA
Services provided
EJAmerica is a big data analytics company located in Irvine, California. Founded in 2016, the team specializes in BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249San Ramon, CA
Services provided
Trident Consulting Inc, a business intelligence company, offer BI & big data consulting & SI and cloud consulting & SI. They were founded in 2005.
Read more -
UndisclosedUndisclosed50 - 249Oxnard, CA
Services provided
Established in 1987, Western Computer is a midsize big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49Seaside, CA
Services provided
Business intelligence company and CRM consulting and SI company dKomplex IT is located in Seaside, California. Their services include BI & big data consulting & SI and CRM consulting and SI.
Read more -
UndisclosedUndisclosed50 - 249Milpitas, CA
Services provided
OpsaraCloud, a cloud consulting & SI company, is headquartered in Milpitas, California. Launched in 2020, the team offers cloud consulting & SI and IT managed services.
Read more -
UndisclosedUndisclosed1,000 - 9,999Diamond Bar, CA
Services provided
Liferay is an Application Testing company established in 2004. The large team focuses on Application Testing and API Development.
Read more -
UndisclosedUndisclosed50 - 249Danville, CA
Services provided
In Danville, California and Irvine, California, Arrayflair is an IT strategy consulting company. They provide IT strategy consulting and BI & big data consulting & SI and were launched in 2020.
Read more -
$1,000+< $25 / hr50 - 249Santa Clara, CA
Services provided
Goognu data service pvt. Ltd is a business intelligence company. The Santa Clara, California-based firm focuses on BI & big data consulting & SI and cloud consulting & SI.
Read more -
$10,000+$200 - $300 / hr50 - 249Rocklin, CA
Services provided
Blast Analytics & Marketing is a data analytics company. They were established in 1999 and specialize in BI & big data consulting & SI and Conversion Optimization.
Read more -
$1,000+$25 - $49 / hr250 - 999San Mateo, CA
Services provided
ERP consulting and SI company Folio3 Agtech was established in 2005. The agency specializes in ERP consulting and SI and Custom Software Development.
Read more -
$1,000+$100 - $149 / hr2 - 9Los Angeles, CA
Services provided
See all 1 projectsTeamLogicIT is an IT services provider specializing in comprehensive support, including computer monitoring, troubleshooting, and remote backup management. Reviews indicate a high level of satisfaction, with clients praising their tailored solutions and excellent project management. TeamLogicIT is commended for its effective communication, problem-solving skills, and client understanding, with no negative feedback reported.
-
$5,000+$100 - $149 / hrFreelancerSimi Valley, CA
Services provided
ECM consulting and SI company SharePoint/O365 Pros provides ECM consulting and SI and IT strategy consulting. They were launched in 2004.
Read more -
$50,000+$100 - $149 / hr50 - 249San Rafael, CA
Services provided
Founded in 2004, Procyon Technostructure is a midsize San Rafael, California-based ERP consulting and SI company. Their services include ERP consulting and SI and Custom Software Development.
Read more -
$5,000+$200 - $300 / hr250 - 999San Jose, CA
Services provided
SkillNet Solutions Inc is a midsize IT strategy consulting company established in 1996. Their services include IT strategy consulting and cloud consulting & SI.
Read more -
$1,000+$25 - $49 / hr2 - 9West Hollywood, CA
Services provided
Precision Data Strategies LLC is an IT strategy consulting company. The agency is located in West Hollywood, California. Their team offers IT strategy consulting and CRM consulting and SI.
Read more -
UndisclosedUndisclosed250 - 999Fremont, CA
Services provided
IT strategy consulting company BRIDGEi2i Analytics Solutions Inc. Provides IT strategy consulting and BI & big data consulting & SI. They were launched in 2011.
Read more -
$1,000+Undisclosed10 - 49Los Angeles, CA
Services provided
M-Theory Group is a cloud consulting & SI company located in Los Angeles, California. Founded in 1998, the team specializes in cloud consulting & SI and IT managed services.
Read more -
Undisclosed$150 - $199 / hr10 - 49Laguna Hills, CA
Services provided
Zephyr Networks, Inc. Is an IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI, and the company is located in Laguna Hills, California.
Read more -
$1,000+$150 - $199 / hr10 - 49San Ramon, CA
Services provided
Headquartered in San Ramon, California and Newark, California, Clare Computer Solutions is a small IT managed services company. The team focuses on IT managed services and Cybersecurity.
Read more -
$1,000+$25 - $49 / hr10 - 49Huntington Beach, CA
Services provided
Launched in 2019, Rootpal is a cloud consulting & SI company. The small team offers cloud consulting & SI and IoT development.
Read more -
UndisclosedUndisclosed250 - 999San Francisco, CA
Services provided
Data analytics company Sigmoid is located in San Francisco, California. The team specializes in BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249Irvine, CA
Services provided
Midsize custom software development firm Trusted Tech Team, is headquartered in Irvine, California. Their services include Custom Software Development and cloud consulting & SI.
Read more -
Undisclosed$150 - $199 / hr10 - 49National City, CA
Services provided
Founded in 2014, AUTOMATES is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.
Read more -
$1,000+$25 - $49 / hr10 - 49Sacramento, CA
Services provided
Headquartered in Sacramento, California, Amroar Technologies is a CRM consulting and SI company. The team offers CRM consulting and SI and IT strategy consulting.
Read more -
$5,000+$100 - $149 / hr50 - 249Santa Monica, CA
Services provided
Based in Santa Monica, California and Irvine, California, CorpInfo is an IT managed services company. They offer IT managed services and cloud consulting & SI.
Read more -
$5,000+$100 - $149 / hr250 - 999Irvine, CA
Services provided
PreludeSys is an Enterprise App Modernization company. The team is in Irvine, California and Chennai, India, and their services include Enterprise App Modernization and Artificial Intelligence.
Read more -
UndisclosedUndisclosed250 - 999San Francisco, CA
Services provided
UnitedLayer is a midsize IT managed services company based in San Francisco, California. Their services include IT managed services and cloud consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249Redlands, CA
Services provided
Nobel Systems is a cloud consulting & SI and IT managed services company. In Redlands, California, the team offers cloud consulting & SI and IT managed services.
Read more -
$1,000+$25 - $49 / hr50 - 249San Jacinto, CA
Services provided
Established in 2024, Words Doctorate is a data analytics company and Content Writing Services company. The team provides BI & big data consulting & SI and Content Writing Services.
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
