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

Dreamix
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Dreamix is an IT services provider based in Europe, established in 2007, with extensive experience in developing and enhancing strategic software for prominent companies in North America, Europe, and the Middle East. Our service quality has earned recognition from esteemed organizations like Forbes,
Highlights
$50,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Sofia, Sofia, Bg
Services Provided+24 Services
4% ERP & CRM Development
3% Mobile App Development (iOS & Android)
4% API Development & Integration
5% E-Commerce Development
AI Summary
“Established in 2007, Dreamix provides comprehensive IT services including custom software development, AI, cloud computing, and digital transformation across diverse industries worldwide with recognized quality.”
Synesis Development
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Synesis Development is a software team located in Ukraine that creates digital solutions for businesses that have outgrown standard templates and spreadsheets. We go beyond just coding; we develop comprehensive systems that transform our clients' sales processes, customer service, and scaling effort
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Lviv, Lviv, Ua
Services Provided+3 Services
10% Mobile App Development (iOS & Android)
40% Custom Web Application Development
15% Workflow Automation (Zapier / Make / n8n)
5% Other IT Consulting and SI
AI Summary
“Synesis Development creates tailored digital solutions including CRM, web apps, AI automations, and MVPs, focusing on transforming client workflows and delivering measurable business outcomes.”
ProSmart Automation, LLC
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ProSmart Automation, LLC focuses on control systems for commercial and industrial applications, as well as MES integration and software automation. The company provides extensive support for a variety of Industry 4.0 data sources, including Allen Bradley, Siemens, and Omron PLCs, Modbus, MT Connect
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Services Provided+3 Services
10% Custom Web Application Development
17% Backend Development
7% API Development & Integration
23% Robotic Process Automation (RPA)
AI Summary
“ProSmart Automation, LLC delivers integrated control systems, MES solutions, and Industry 4.0 data support for industrial and commercial automation, leveraging 30 years of multidisciplinary expertise.”
Granite Slopes
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At Granite Slopes, we take pride in our expertise in delivering exceptional CRM solutions customized for your business. As a HubSpot Solutions Partner, we emphasize the seamless integration of your teams and technology within HubSpot, helping your business achieve its sales and marketing objectives
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
60% CRM Consulting and SI
15% Cloud Consulting & SI
10% ERP Consulting and SI
10% Unified Communications Consulting & SI
AI Summary
“Granite Slopes specializes in tailored CRM solutions as a HubSpot Solutions Partner, integrating teams and technology to boost businesses' sales, marketing effectiveness, and ROI.”
iBlue Consulting
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We are a company proficient in grasping, developing, and executing ideas that bring significant value to your business through cutting-edge technologies. Our team comprises over 120 specialists offering a range of innovative services, including Strategy and Product Roadmap, Business Intelligence, Da
Highlights
$75,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Rio de Janeiro, Rio De Janeiro, Br
Services Provided+4 Services
8% API Development & Integration
13% Mobile App Development (iOS & Android)
18% Backend Development
12% Custom Web Application Development
AI Summary
“iBlue Consulting delivers comprehensive digital transformation services, leveraging over 120 experts in strategy, AI, data analytics, cloud, agile development, and IT modernization to enhance business value.”
aNumak & Company
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A worldwide management and technology consulting company specializing in the development of scalable business models across various industries. We provide solutions through consulting, digital transformation, and innovative products. By merging high-quality management consulting with tailored strate
Highlights
50-249
Employees
Bengaluru, Karnataka, In
Services Provided+6 Services
9% Other IT Consulting and SI
8% AI Strategy & Roadmap Consulting
8% Robotic Process Automation (RPA)
8% Machine Learning Model Development
AI Summary
“aNumak & Company is a global consulting firm delivering scalable business models, digital transformation, and innovative strategies by integrating expert insights to enhance enterprise agility and performance.”
VBS IT Services
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Maximize efficiency with VBS IT Services’ high availability CRM and collaboration cloud computing solutions, which offer round-the-clock managed support. This guarantees users uninterrupted access to the technology tools they require at all times.
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Toronto, Ontario, Ca
Services Provided+1 Services
25% Cloud Consulting & SI
5% Other IT Consulting and SI
20% CRM Consulting and SI
35% Managed IT Services
AI Summary
“VBS IT Services delivers high availability CRM and collaboration cloud solutions with 24/7 managed support, ensuring continuous access to essential technology tools for enhanced operational efficiency.”
ThinkAiCorp
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Think AI serves as a reliable strategic ally for business leaders seeking to address intricate challenges through contemporary technologies such as AI, business intelligence, and chatbots. Partnering with Think AI equips you to tackle these complexities with an effective strategy, a well-defined pla
Highlights
250-999
Employees
Irvine, California, Us
Services Provided+1 Services
35% Mobile App Development (iOS & Android)
15% Legacy System Modernization
25% AI Strategy & Roadmap Consulting
20% BI & Big Data Consulting & SI
AI Summary
“ThinkAiCorp specializes in AI development, business intelligence, and software modernization, delivering strategic, AI-driven solutions and modern mobile applications to address complex business challenges effectively.”
Katyella
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Katyella specializes in linking businesses with highly skilled Java consultants who excel in updating legacy Java applications. We have a rich pool of talent with over ten years of experience in Java, especially with Spring Boot and AWS. Our mission is to improve the efficiency, resilience, and futu
Highlights
$100,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Springfield, Virginia, Us
Services Provided+1 Services
25% Cloud Consulting & SI
20% IT Staff Augmentation
5% Other IT Consulting and SI
35% Custom Web Application Development
AI Summary
“Katyella connects businesses with experienced Java consultants, specializing in modernizing legacy applications using Spring Boot and AWS to enhance system efficiency and adaptability.”
Alamo Telecom
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Alamo Telecom is a leading IT procurement and brokerage company located in San Antonio, Texas, committed to making it easier for businesses to source, install, and manage their technology infrastructure. As a carrier-neutral consultant, we serve as your main point of contact for all connectivity, vo
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
20% Cloud Consulting & SI
23% Unified Communications Consulting & SI
8% Other IT Consulting and SI
10% Cloud Infrastructure Setup (AWS / GCP / Azure)
AI Summary
“Alamo Telecom is a carrier-neutral IT procurement and consulting firm offering cloud services, cybersecurity, unified communications, and managed IT solutions tailored to diverse business needs.”

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Top IT Consulting and Systems Integration (SI) Companies

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