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

InfoSec Governance
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InfoSec Governance is a company dedicated to information security, focused on educating and safeguarding businesses against cyber threats. We prioritize our clients, collaborating closely to enhance the security of their operations. By understanding your needs, we develop tailored solutions that bes
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Newton Aycliffe, England, Gb
Services Provided
50% Managed IT Services
50% Other IT Consulting and SI
AI Summary
“InfoSec Governance specializes in safeguarding businesses through tailored information security solutions, including certification, penetration testing, managed services, and security awareness programs.”
AVP
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AVP is a provider of innovative information solutions. Our specialists deliver effective strategies to assist you in safeguarding, managing, and utilizing the data and information assets that are important to you.
Highlights
$25,000+
Min Project Size
$150+/hr
Avg Hourly Rate
10-49
Employees
Brooklyn, New York, Us
Services Provided
50% Change Management Consulting
50% Other IT Consulting and SI
AI Summary
“AVP specializes in innovative information solutions, offering strategic expertise to protect, manage, and optimize critical data and information assets for diverse organizations.”
Netstar
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Netstar is an IT support firm located in Central London, offering comprehensive IT support, cybersecurity, and technology consulting services. Established in 2002, the company has experienced considerable growth and currently serves more than 150 clients in London and the surrounding South East regi
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
London, England, Gb
Services Provided
50% Managed IT Services
50% Other IT Consulting and SI
AI Summary
“Netstar, founded in 2002 in Central London, provides comprehensive IT support, cybersecurity, and technology consulting services to over 150 clients in London and the South East.”
SCD Information Technology
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SCD's mission is to offer cutting-edge, advanced IT solutions to business professionals and defense organizations in the Baltimore, Washington, and Virginia regions. SCD takes pride in being a Maryland State Certified MBE/DBE/WBE. As a comprehensive IT company, SCD is devoted to delivering a diverse
Highlights
50-249
Employees
Columbia, Maryland, Us
Services Provided
50% Managed IT Services
50% Other IT Consulting and SI
AI Summary
“SCD Information Technology provides advanced IT solutions and diverse services to business and defense clients, emphasizing long-term support across Baltimore, Washington, and Virginia regions.”
Redkite Network LLP
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Redkite Network consists of proficient experts in GRC (IT) compliance, cyber security, data protection, and data privacy who collaborate to deliver tailored and comprehensive solutions for our clients. We are committed to utilizing the latest industry best practices alongside advanced tools and tech
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Ahmedabad, Gujarat, In
Services Provided
50% Cybersecurity Assessments & Hardening
50% Other IT Consulting and SI
AI Summary
“Redkite Network LLP offers expert GRC compliance, cybersecurity, risk assessment, and data privacy solutions, helping clients manage risks and ensure regulatory adherence in a dynamic digital landscape.”
SimpleFly Tech
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We stand out from the rest. SimpleFly Tech is a Managed IT Services Provider based in Denver that prioritizes simplicity for our clients, ensuring that your digital assets remain protected and secure. Allow us to handle all aspects of IT management for a flat monthly fee, so you can concentrate on y
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Denver, Colorado, Us
Services Provided
50% Managed IT Services
50% Other IT Consulting and SI
AI Summary
“SimpleFly Tech is a Denver-based Managed IT Services Provider offering comprehensive IT management and security solutions with straightforward, flat monthly pricing to support business growth.”
Inflow Technologies
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Inflow Technologies is a specialized company in the Distribution Services sector that offers Value Added Distribution for products and services in Cyber Security, Networking, Unified Communications and Collaboration, AIDC & POS, Infrastructure & Application Software, Storage Management, and Electron
Highlights
$50,000+
Min Project Size
50-249
Employees
Bengaluru, Karnataka, In
Services Provided
50% Other IT Consulting and SI
50% Operational Process Consulting
AI Summary
“Inflow Technologies is a South Asia-based value-added distributor specializing in cybersecurity, networking, software, and electronic security, delivering diverse IT products and services across 15 locations.”
4Tutela
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4Tutela provides cybersecurity services and solutions that adhere to industry best practices and standards, ensuring the reliability and safety of Industrial Control Systems (ICS) and Operational Technology (OT) environments. As a prominent global player in the OT and Industrial Internet of Things (
Highlights
$1,000+
Min Project Size
$150+/hr
Avg Hourly Rate
2-9
Employees
Houston, Texas, Us
Services Provided
50% Cybersecurity Assessments & Hardening
50% Other IT Consulting and SI
AI Summary
“4Tutela specializes in global OT and IIoT cybersecurity, delivering best-practice solutions that enhance Industrial Control Systems' visibility, reduce risks, and protect critical infrastructure safety and operations.”
KSP Technology
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KSP Technology is an IT firm focused on enhancing customer service, enabling clients to leverage technology as a competitive edge for business growth. Their team of experts comprehends the essential processes of their clients and seeks effective strategies to tackle arising challenges and offer assi
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Regina, Saskatchewan, Ca
Services Provided
50% Other IT Consulting and SI
50% Business Consulting Services
AI Summary
“KSP Technology is an IT firm specializing in delivering tailored, reliable solutions to enhance customer service and drive business growth through strategic technology use.”
Raxis
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Raxis is a premier penetration testing company relied upon by organizations seeking more than mere compliance. In contrast to transactional vendors that provide shallow, automated scans, Raxis offers authentic adversarial simulations—thorough, manual penetration tests led by experts that effectively
Highlights
$5,000+
Min Project Size
$150+/hr
Avg Hourly Rate
10-49
Employees
Atlanta, Georgia, Us
Services Provided
50% Cybersecurity Assessments & Hardening
50% Other IT Consulting and SI
AI Summary
“Raxis provides expert-led manual penetration testing, delivering thorough adversarial simulations that exceed compliance standards to identify genuine vulnerabilities and enhance organizational security.”

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