Top IT Consulting and Systems Integration (SI) Companies

Specialist IT consulting and SI covers integration and advisory work outside platform categories such as ERP, CRM, cloud or BI: security consulting and penetration testing, independent software testing, integration of niche systems such as HR, payroll or point of sale, architecture reviews and technology due diligence. A business comes here when two systems must talk and no vendor owns the problem, when an auditor or customer demands an independent assessment, or when a technology decision needs outside advice.

The firms here differ widely, so compare them on the system pairs and assessment types they have delivered, look for reviews that describe a project like yours, and match the minimum project to an assessment or a full integration.

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We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

10,000 Companies

List of the Best Other IT Consulting and SI Agencies

Tridium Technology Solutions, LLC
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Running a business is challenging enough without the added worries of cybersecurity, IT infrastructure, and cloud technology. At Tridium Technology Solutions, we empower small and mid-sized businesses to operate confidently by providing enterprise-level IT management, cybersecurity, and Microsoft 36
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Clearwater, Florida, Us
Services Provided+3 Services
8% AI Strategy & Roadmap Consulting
23% Cloud Consulting & SI
12% IT Staff Augmentation
7% Other IT Consulting and SI
AI Summary
“Tridium Technology Solutions delivers comprehensive IT management and cybersecurity services with Microsoft 365 expertise, offering 24/7 threat protection and cloud solutions tailored for growing small to midsize businesses.”
Lemington Consulting
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Lemington Consulting is a prestigious international information technology (I.T.) consulting and managed services firm that focuses on creating high-quality, innovative I.T. solutions for businesses, non-profits, and government entities. With offices located in Atlanta, Dallas, Fairfax, Miami, Tampa
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Jacksonville, Florida, Us
Services Provided+8 Services
4% Unified Communications Consulting & SI
8% Cloud Consulting & SI
5% Other IT Consulting and SI
4% CRM Consulting and SI
AI Summary
“Lemington Consulting is a global IT firm delivering innovative, high-quality consulting and managed services to businesses, non-profits, and government agencies, recognized for excellence and innovation.”
Clearview
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Clearview is a global collective of engineers and support personnel from various countries, including the US, UK, Bosnia and Herzegovina, South Africa, and Indonesia. Our aim is to assist startups and scaling companies in accelerating their software engineering initiatives by leveraging global talen
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
14% Custom Web Application Development
8% API Development & Integration
7% SaaS Product Development
5% Backend Development
AI Summary
“Clearview delivers global, agile software development, AI integration, and BI consulting through vetted remote teams, empowering startups and enterprises with scalable, data-driven, customized technology solutions.”
Reintivity Technology Solutions
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Reintivity Technology Solutions, located in Chicago, has been assisting businesses in maximizing their capabilities since 2013. We create, implement, and oversee cloud, data, AI, and IT solutions designed to enhance operational efficiency, increase productivity, and ensure organizational security. O
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+6 Services
15% API Development & Integration
10% Custom Web Application Development
8% IT Staff Augmentation
6% Other IT Consulting and SI
AI Summary
“Reintivity Technology Solutions delivers tailored cloud, AI, cybersecurity, software development, and IT services to small and mid-sized organizations, enhancing efficiency, security, and operational success.”
Untitled Firm
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Each layer of infrastructure required to integrate sources, transform data, and perform large-scale analytics is powered seamlessly. With Untitled's product, Distilled, you can easily connect, unify, and cleanse data sources in a single secure location. With all your data centralized and prepared fo
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Louisville, Kentucky, Us
Services Provided+5 Services
4% Other IT Consulting and SI
12% BI & Big Data Consulting & SI
9% Cloud Consulting & SI
10% ETL Pipeline Development
AI Summary
“Untitled's Distilled platform streamlines data integration, cleansing, and analytics, enabling efficient reporting, modeling, and custom projects including ETL, cloud warehousing, and BI services.”
Massifi Tech Ventures
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MassifiTech is a tech solutions firm dedicated to providing cutting-edge IT infrastructure and AI-driven automation services for contemporary enterprises. It assists organizations in optimizing their operations with intelligent automation, machine learning, and data-informed decision-making. The com
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
10% Cloud Consulting & SI
5% CRM Consulting and SI
15% Generative AI
13% AI Agent & Multi-Agent System Development
AI Summary
“MassifiTech delivers advanced IT infrastructure and AI-driven automation solutions, enhancing enterprise efficiency through intelligent automation, machine learning, cloud computing, cybersecurity, and smart system integration.”
IA7 Global Trading UG
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IA7 Global Tech offers comprehensive IT solutions aimed at helping businesses grow, scale, and maintain security in a digital-centric environment. We collaborate with startups, small and medium-sized enterprises (SMEs), and large organizations to provide reliable, future-oriented technology solution
Highlights
2-9
Employees
Berlin, Berlin, De
Services Provided+6 Services
15% BI & Big Data Consulting & SI
8% CRM Consulting and SI
5% Cloud Consulting & SI
3% ECM Consulting and SI
AI Summary
“IA7 Global Trading UG delivers tailored IT solutions including software development, cloud services, cybersecurity, and digital transformation to support businesses across various scales and industries.”
ISmile Technologies
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ISmile Technologies provides automation-driven intelligent solutions and managed IT services, positioning ourselves as your reliable technology advisor and essential implementation partner. With a global presence, our extensive expertise empowers businesses to leverage disruptive technologies like A
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Bolingbrook, Illinois, Us
Services Provided+13 Services
4% AI Strategy & Roadmap Consulting
4% BI & Big Data Consulting & SI
8% Cloud Consulting & SI
5% IT Staff Augmentation
AI Summary
“ISmile Technologies delivers global automation-driven IT and intelligent solutions, leveraging AI and analytics to enhance business agility, security, and comprehensive technology management.”
Inrisoft
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INRI Software Pvt Limited provides services to businesses around the world, particularly in the US, Europe, the Middle East and Africa, Africa, and Australia. The company specializes in software development and recognizes the significant impact of digital technologies on business strategies, leading
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Hyderabad, Telangana, In
Services Provided+3 Services
15% Mobile App Development (iOS & Android)
13% Custom Web Application Development
15% ERP & CRM Development
7% E-Commerce Development
AI Summary
“INRI Software Pvt Limited delivers global software solutions, specializing in Mobility, Cloud, ERP, and CRM technologies to enhance digital strategies across sectors like healthcare, e-commerce, and transportation.”
nodebase
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Nodebase is an AI workforce platform that consolidates various SaaS tools into role-specific AI employees. Companies can utilize these AI workers for tasks such as operations, customer support, analysis, coordination, and internal processes. Each AI employee is designed for specific functions, adher
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
5% IT Staff Augmentation
5% Other IT Consulting and SI
15% AI Agent & Multi-Agent System Development
18% Generative AI
AI Summary
“Nodebase offers an AI workforce platform integrating SaaS tools into specialized AI employees to automate operations, customer support, and analysis, enabling scalable, controlled business execution.”

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Top IT Consulting and Systems Integration (SI) Companies

List of the Best Other IT Consulting and SI Agencies

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