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.
-
UndisclosedUndisclosed50 - 249Santa Clara, CA
Services provided
Launched in 2000, Rootshell Inc is a midsize Santa Clara, California-based CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.
Read more -
UndisclosedUndisclosed10 - 49San Diego, CA
Services provided
Fusion Factor Corporation is a Cybersecurity company. Their small team is based in San Diego, California and Carlsbad, California. Their team offers Cybersecurity and cloud consulting & SI.
Read more -
$25,000+$150 - $199 / hr10 - 49Tustin, CA
Services provided
Small IT managed services company Haag Networking LLC, is in Tustin, California. Their services include IT managed services and cloud consulting & SI.
Read more -
Undisclosed$50 - $99 / hr10 - 49Los Angeles, CA
Services provided
See all 10 projectsQualityWorks Consulting Group is a distinguished QA and software testing agency, renowned for its comprehensive testing solutions including manual, automated, and performance testing. The majority of clients commend their professionalism, agile project management, and seamless integration into existing teams, with 100% expressing satisfaction with service quality. Their ability to meet deadlines and deliver high-quality work consistently is frequently highlighted across reviews, with many clients emphasizing their effective communication and alignment with company values.
-
$25,000+$150 - $199 / hr10 - 49San Diego, CA
Services provided
OhanaOne, a CRM consulting and SI company, focuses on CRM consulting and SI and Application Management & Support. The firm is headquartered in San Diego, California.
Read more -
$1,000+$150 - $199 / hr10 - 49Los Angeles, CA
Services provided
In Los Angeles, California, ION AVT Inc. Is an IT managed services company. They specialize in IT managed services and other IT consulting and SI and were launched in 2010.
Read more -
UndisclosedUndisclosed10 - 49Los Angeles, CA
Services provided
Founded in 2019, Togglr is a small Bengaluru, India-based cloud consulting & SI company. Their services include cloud consulting & SI and IT strategy consulting.
Read more -
$1,000+< $25 / hr50 - 249Pleasanton, CA
Services provided
United Techno is an IT managed services company. Their midsize team is in Pleasanton, California and Toronto, Canada. Their services include IT managed services and cloud consulting & SI.
Read more -
UndisclosedUndisclosed2 - 9Carlsbad, CA
Services provided
Sigma Voice is an unified communications consulting & SI company. They provide unified communications consulting & SI and were launched in 2004. The firm is headquartered in Carlsbad, California.
Read more -
$1,000+Undisclosed10 - 49San Diego, CA
Services provided
Scalesta is a small cloud consulting & SI company based in San Diego, California. The team offers cloud consulting & SI and IT managed services.
Read more -
UndisclosedUndisclosed50 - 249San Francisco, CA
Services provided
Demanday intent driven is a Market Research company headquartered in San Francisco, California and Pune, India. They specialize in Market Research and IT strategy consulting.
Read more -
UndisclosedUndisclosed50 - 249Los Angeles, CA
Services provided
PCFitment is an e-commerce development company. The team specializes in E-Commerce Development and cloud consulting & SI, and the agency is headquartered in Los Angeles, California.
Read more -
Undisclosed< $25 / hr250 - 999Sacramento, CA
Services provided
ER Tech Pros is an IT managed services company. Based in Sacramento, California, the firm was founded in 1998. Their team offers IT managed services and cloud consulting & SI.
Read more -
$10,000+$50 - $99 / hr50 - 249Folsom, CA
Services provided
IT strategy consulting company Tek Yantra was established in 2016. The midsize team specializes in IT strategy consulting and IT managed services.
Read more -
UndisclosedUndisclosed250 - 999Laguna Beach, CA
Services provided
See all 1 projectsData-Entry-India.com offers a range of data enrichment services, including identifying and eliminating duplicate entries, updating invalid emails, and digitizing paper forms. Reviews highlight the company's responsiveness, professionalism, and ability to deliver accurate, timely results. Clients appreciate their attention to detail and proactive communication, making them a reliable partner for data-related projects.
-
$5,000+$150 - $199 / hr10 - 49Berkeley, CA
Services provided
42 Inc is a small IT managed services company. They provide IT managed services and cloud consulting & SI and were founded in 1992.
Read more -
$5,000+$100 - $149 / hr10 - 49San Francisco, CA
Services provided
Kelihi, a big data company, was founded in 2021. They specializes in BI & big data consulting & SI and AI Consulting.
Read more -
Undisclosed$150 - $199 / hr10 - 49Laguna Hills, CA
Services provided
InSync Computer Solutions is an IT managed services company. Their team is based in Laguna Hills, California and specializes in IT managed services and IT staff augmentation.
Read more -
$1,000+Undisclosed10 - 49Palo Alto, CA
Services provided
Dataplatr is a big data company. They are located in Palo Alto, California and have small team of experts. Their services include BI & big data consulting & SI and AI Consulting.
Read more -
$50,000+$150 - $199 / hr1,000 - 9,999San Francisco, CA
Services provided
See all 1 projectsBluewolf is a marketing automation and Salesforce development company, offering integrated solutions that connect marketing tools like Eloqua with CRM systems. Reviews highlight their deep expertise in Salesforce as a core competency, with clients noting a reduction in costs and improvements in campaign management and integration simplicity. Approximately 100% of feedback emphasizes their unique ability to handle complex environments efficiently.
-
UndisclosedUndisclosed10 - 49San Francisco, CA
Services provided
Established in 2016, ScreenMeet is a small San Francisco, California-based IT strategy consulting company. Their services include IT strategy consulting and CRM consulting and SI.
Read more -
UndisclosedUndisclosed2 - 9San Francisco, CA
Services provided
Founded in 2009, Wheelhouse Enterprises is a cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI.
Read more -
$1,000+Undisclosed10 - 49Folsom, CA
Services provided
Stech Group is an unified communications consulting & SI company. They were launched in 2016, and their services include unified communications consulting & SI and IT managed services.
Read more -
Undisclosed$25 - $49 / hr10 - 49Palo Alto, CA
Services provided
9bloom Inc. Is a business intelligence company. The Palo Alto, California-based team offers BI & big data consulting & SI and ERP consulting and SI.
Read more -
$10,000+Undisclosed10 - 49Sacramento, CA
Services provided
Launched in 2025, Corebackend is a small Sacramento, California-based IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.
Read more -
Undisclosed$100 - $149 / hr10 - 49Chino, CA
Services provided
ERP consulting and SI company The Data Morphs was founded in 2023. The company provides ERP consulting and SI and CRM consulting and SI.
Read more -
$1,000+$25 - $49 / hr2 - 9San Francisco, CA
Services provided
See all 4 projectsZona Digital is a web development company recognized for delivering high-quality, modern websites that meet client needs and expectations. They are praised for their quick response times and effective communication, as noted by 100% of reviewers. Clients report satisfaction with their project management and delivery timeliness, with no negative feedback mentioned.
-
$25,000+$100 - $149 / hr50 - 249Newport Beach, CA
Services provided
Evinex is a midsize IT staff augmentation company headquartered in Newport Beach, California. The team provides IT staff augmentation and Staffing.
Read more -
$10,000+$300+ / hr2 - 9Santa Monica, CA
Services provided
RyTECHan Consulting, an IT strategy consulting company, is headquartered in Santa Monica, California. The team focuses on IT strategy consulting and other IT consulting and SI.
Read more -
Undisclosed$150 - $199 / hr10 - 49Glendale, CA
Services provided
See all 1 projectsPartner with us to design a CRM, Marketing Automation, or AI solution that’s engineered to scale your business and propel your growth.
Read more -
UndisclosedUndisclosed250 - 999San Francisco, CA
Services provided
Launched in 2016, Alpha Cube is an other IT consulting and SI company. The midsize team offers other IT consulting and SI and Branding.
Read more -
UndisclosedUndisclosed2 - 9Thousand Oaks, CA
Services provided
Ninecoves is a small big data company and AI firm based in Thousand Oaks, California. The team focuses on BI & big data consulting & SI and Artificial Intelligence.
Read more -
UndisclosedUndisclosed2 - 9Burbank, CA
Services provided
Based in Burbank, California and Woodbridge Township, New Jersey, Mentor Consulting Services is a small ERP consulting and SI company. The team offers ERP consulting and SI.
Read more -
UndisclosedUndisclosed10 - 49San Diego, CA
Services provided
Impel Consulting is a CRM consulting and SI company. The team is headquartered in San Diego, California and Irvine, California, and their services include CRM consulting and SI.
Read more -
UndisclosedUndisclosed10 - 49Monrovia, CA
Services provided
ERP consulting and SI company DigitBridge is headquartered in Monrovia, California. They specialize in ERP consulting and SI and Business Consulting and were established in 2020.
Read more -
UndisclosedUndisclosed10 - 49Los Angeles, CA
Services provided
Yavda Analytics Private Limited is a business intelligence company. Founded in 2018, the team offers BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249San Francisco, CA
Services provided
Vector Health Compliance is a Compliance Consulting company. The San Francisco, California-based company specializes in Compliance Consulting and BI & big data consulting & SI.
Read more -
$10,000+$150 - $199 / hr10 - 49Irvine, CA
Services provided
Established in 2018, Conveyance Solutions is a small Irvine, California-based ERP consulting and SI company. Their team offers ERP consulting and SI and API Development.
Read more -
$10,000+Undisclosed50 - 249Calabasas, CA
Services provided
Daten Technology Solutions is a cloud consulting & SI company. Established in 2021, their team provides cloud consulting & SI and IoT development.
Read more -
$5,000+$150 - $199 / hr2 - 9Los Angeles, CA
Services provided
CRM consulting and SI company SalesX was established in 2022. The team provides CRM consulting and SI and is located in Los Angeles, California.
Read more -
$1,000+$50 - $99 / hr10 - 49Hacienda Heights, CA
Services provided
IT strategy consulting company Alpha & Omega Computer Inc. Is headquartered in Hacienda Heights, California. They specialize in IT strategy consulting and IT managed services.
Read more -
$1,000+$100 - $149 / hr2 - 9San Francisco, CA
Services provided
GeniusHub, a CRM consulting and SI company, was founded in 2018. They offers CRM consulting and SI and AI Consulting.
Read more -
UndisclosedUndisclosed10 - 49Ventura, CA
Services provided
Ideal Security and Technology, an IT managed services company, is headquartered in Ventura, California. The team focuses on IT managed services and cloud consulting & SI.
Read more -
$5,000+$150 - $199 / hr10 - 49Pleasant Hill, CA
Services provided
Small IT strategy consulting company LookingPoint, is headquartered in Pleasant Hill, California and Livermore, California. The team focuses on IT strategy consulting and IT managed services.
Read more -
$1,000+< $25 / hr50 - 249Los Angeles, CA
Services provided
Get Contact Help is an IT strategy consulting company. They were launched in 2018, and their services include IT strategy consulting and IT managed services.
Read more -
UndisclosedUndisclosed50 - 249Irvine, CA
Services provided
Technijian is a midsize IT strategy consulting company in Irvine, California and Los Angeles, California. The team focuses on IT strategy consulting and cloud consulting & SI.
Read more -
$1,000+< $25 / hr10 - 49Long Beach, CA
Services provided
Cloud consulting & SI company Safe Harbor Technology specializes in cloud consulting & SI and IT staff augmentation. They are based in Long Beach, California.
Read more -
UndisclosedUndisclosed10 - 49Escondido, CA
Services provided
Hoop5 Networks is a Cybersecurity company in Escondido, California. They provide Cybersecurity and IT managed services.
Read more -
$1,000+$25 - $49 / hr10 - 49Tulare, CA
Services provided
Established in 2019, Latest Lead is a data analytics company. The firm offers BI & big data consulting & SI and Business Consulting.
Read more -
UndisclosedUndisclosed10 - 49Irvine, CA
Services provided
BB2 Technology Group is a small Irvine, California-based UX design company. The team focuses on UX/UI Design and BI & big data consulting & SI.
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
