Top System Integration Companies in Connecticut
-
Featured
What are Featured Providers?
$10,000+$25 - $49 / hr250 - 999Serves ConnecticutServices 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.
-
UndisclosedUndisclosed10 - 49North Haven, CT
Services provided
Launched in 2017, Gismasoft Pvt. Ltd. Is a data analytics company. The team specializes in BI & big data consulting & SI and Custom Software Development.
Read more -
UndisclosedUndisclosed2 - 9Greenwich, CT
Services provided
DroitCloud, a software development company, was launched in 2009. They focuses on Custom Software Development and cloud consulting & SI.
Read more -
UndisclosedUndisclosedFreelancerWoodbury, CT
Services provided
NDS, a small IT strategy consulting company, is in Woodbury, Connecticut. The team focuses on IT strategy consulting and cloud consulting & SI.
Read more -
UndisclosedUndisclosed2 - 9Groton, CT
Services provided
Delonti is a cloud consulting & SI company headquartered in Groton, Connecticut. They offer cloud consulting & SI and IoT development and were launched in 1998.
Read more -
UndisclosedUndisclosed2 - 9Ridgefield, CT
Services provided
Definition3 Media, a media planning & buying company, was established in 2017. The company specializes in Media Planning & Buying and CRM consulting and SI, and is small.
Read more -
UndisclosedUndisclosed2 - 9Avon, CT
Services provided
Small SMS Marketing company JAL VISIONARY SOLUTIONS, LLC, is based in Avon, Connecticut. The team focuses on SMS Marketing and Social Media Marketing.
Read more -
UndisclosedUndisclosed2 - 9Newtown, CT
Services provided
SpartanSoft, Inc. Is a software development company headquartered in Newtown, Connecticut. Their services include Custom Software Development and API Development.
Read more -
UndisclosedUndisclosed2 - 9Fairfield, CT
Services provided
Glumeberg Innovations is a web design agency. The Fairfield, Connecticut-based company was founded in 2016. Their services include Web Design and Video Production.
Read more -
$5,000+Undisclosed250 - 999Norwalk, CT
Services provided
See all 1 projectsCoretelligent offers financial planning advisory and comprehensive management services. Reviews indicate that Coretelligent is valued for its skilled financial planning assistance, highly positive reviews, and alignment with client values, resulting in improved company ratings. Clients appreciate their effective communication through virtual meetings, phone calls, and email, with no noted areas for improvement.
-
UndisclosedUndisclosed50 - 249Stamford, CT
Services provided
Branding firm ESMSYS was launched in 2003. The agency focuses on Branding and Web Design.
Read more -
UndisclosedUndisclosedFreelancerWindsor Locks, CT
Services provided
AWR Web Design, LLC, a web design agency, is located in Windsor Locks, Connecticut. Their services include Web Design and Search Engine Optimization.
Read more -
UndisclosedUndisclosedFreelancerNorwalk, CT
Services provided
ServFrame is a social media marketing agency. The small Norwalk, Connecticut-based team focuses on Social Media Marketing and Search Engine Optimization. The agency was launched in 2021.
Read more -
UndisclosedUndisclosed2 - 9Norwalk, CT
Services provided
TrueVoice Growth Marketing™ is a Direct Marketing company. Headquartered in Norwalk, Connecticut, the firm was founded in 2008. Their team offers Direct Marketing and Social Media Marketing.
Read more -
$5,000+$100 - $149 / hr50 - 249Wilton, CT
Services provided
Founded in 1988, Kraft & Kennedy, Inc. Is an IT managed services company. Based in New York, New York and Houston, Texas, the team provides IT managed services and IT strategy consulting.
Read more -
UndisclosedUndisclosed50 - 249Norwalk, CT
Services provided
OneOrigin is an AR/VR development company. They are headquartered in Norwalk, Connecticut and Bengaluru, India. Their team offers AR/VR development and Artificial Intelligence.
Read more -
$1,000+$200 - $300 / hr10 - 49Norwalk, CT
Services provided
See all 5 projectsPractical Computer Applications (PCApps) is a software development company that specializes in creating custom management systems and enhancing user experiences. Across their reviews, 100% of clients praised their responsiveness and ability to meet project deadlines, with 80% highlighting their excellent project management and personalized attention. Clients consistently commend PCApps for their alignment with company values and cost-effective solutions.
-
UndisclosedUndisclosed250 - 999Rocky Hill, CT
Services provided
TriMech is a Product Design company. Their midsize team is based in Glen Allen, Virginia and Rocky Hill, Connecticut. Their services include Product Design and Contract Manufacturing.
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 7 Connecticut Best System Integration Companies & Services
-
$1,000+$200 - $300 / hr10 - 49Naugatuck, CT
Ability to deliver
35.8/40.017.2/20 Reviews9.9/10 Clients & Experience8.7/10 Market PresenceService focus
25% System Integrators75% Other -
$10,000+$50 - $99 / hr50 - 249Fairfield, CT
Ability to deliver
34.1/40.016.4/20 Reviews9.2/10 Clients & Experience8.5/10 Market PresenceService focus
10% System Integrators90% Other -
Undisclosed$150 - $199 / hr10 - 49Harwinton, CT
Ability to deliver
29.1/40.015.8/20 Reviews6.6/10 Clients & Experience6.7/10 Market PresenceService focus
100% System Integrators -
$25,000+$100 - $149 / hr10 - 49New Haven, CT
Ability to deliver
31.1/40.017.2/20 Reviews7.4/10 Clients & Experience6.5/10 Market PresenceService focus
10% System Integrators90% Other -
UndisclosedUndisclosed50 - 249Shelton, CT
Ability to deliver
21/40.014.6/20 Reviews1.2/10 Clients & Experience5.2/10 Market PresenceService focus
20% System Integrators80% Other -
$1,000+$200 - $300 / hr2 - 9Westport, CT
Ability to deliver
21.9/40.017/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
10% System Integrators90% Other -
Undisclosed$100 - $149 / hr2 - 9West Hartford, CT
Ability to deliver
20.2/40.016.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
10% System Integrators90% Other -
Undisclosed$100 - $149 / hr10 - 49Farmington, CT
Ability to deliver
5.7/40.00/20 Reviews0/10 Clients & Experience5.7/10 Market PresenceService focus
100% System Integrators -
UndisclosedUndisclosed1,000 - 9,999Stamford, CT
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% System Integrators50% Other -
Undisclosed$150 - $199 / hr50 - 249Rocky Hill, CT
Ability to deliver
5.8/40.00/20 Reviews0/10 Clients & Experience5.8/10 Market PresenceService focus
60% System Integrators40% Other -
$25,000+$150 - $199 / hr10 - 49Stamford, CT
Ability to deliver
6.7/40.00/20 Reviews1.2/10 Clients & Experience5.5/10 Market PresenceService focus
100% System Integrators -
$1,000+Undisclosed2 - 9West Hartford, CT
Ability to deliver
10.2/40.00/20 Reviews5/10 Clients & Experience5.2/10 Market PresenceService focus
45% System Integrators55% Other -
UndisclosedUndisclosed2 - 9Shelton, CT
Ability to deliver
4.6/40.00/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
80% System Integrators20% Other -
UndisclosedUndisclosed2 - 9Wallingford, CT
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
60% System Integrators40% Other -
$1,000+$150 - $199 / hr10 - 49Cheshire, CT
Ability to deliver
4.9/40.00/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
45% System Integrators55% Other -
$5,000+$150 - $199 / hr2 - 9Southington, CT
Ability to deliver
6.4/40.00/20 Reviews1.2/10 Clients & Experience5.2/10 Market PresenceService focus
80% System Integrators20% Other -
UndisclosedUndisclosed50 - 249West Hartford, CT
Ability to deliver
5.6/40.00/20 Reviews0/10 Clients & Experience5.6/10 Market PresenceService focus
50% System Integrators50% Other -
UndisclosedUndisclosed250 - 999Shelton, CT
Ability to deliver
5.3/40.00/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
20% System Integrators80% Other -
$10,000+$100 - $149 / hr50 - 249New Haven, CT
Ability to deliver
9.2/40.00/20 Reviews3.6/10 Clients & Experience5.6/10 Market PresenceService focus
10% System Integrators90% Other -
$5,000+$50 - $99 / hr2 - 9Stamford, CT
Ability to deliver
5.2/40.00/20 Reviews0/10 Clients & Experience5.2/10 Market PresenceService focus
50% System Integrators50% Other -
Undisclosed$150 - $199 / hr10 - 49Ridgefield, CT
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% System Integrators -
Undisclosed$100 - $149 / hr2 - 9Bristol, CT
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
55% System Integrators45% Other
