Accenture, Cognizant, Capgemini, IBM, Tata Consultancy Services - these are among the top system integrators enterprises select to unify technology ecosystems, streamline operations, and implement scalable infrastructure solutions that support secure and efficient business growth.

Best System Integration Companies

2 Companies - Rankings updated: September 04, 2026

Every system integration company featured on DesignRush is evaluated based on service quality and client feedback. Some placements may be paid.

System Integrator
System Integrator × Dental × $50,000 & Up × Clear Filters
  • We integrate, innovate, and elevate enterprise systems.

    Intellectsoft builds lasting relationships by delivering IT Services that transform enterprise operations. Market-leading insight positions us as the clear choice in API integration, legacy modernization, and app portfolio consolidation—ensuring scalable, reliable solutions that drive global success...

    Top Services:

    • Software Development
    • Mobile App Development
    • Wearables
    • Software Testing
    • Blockchain
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    12 Projects Listed

    Intellectsoft Services

    • Software Development
    • Mobile App Development
    • Wearables
    • Software Testing
    • Blockchain
    • AI Development
    • UI/UX Design
    • Big Data Analytics
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Harley-Davidson
    • the London Stock Exchange
    • Ernst & Young
    • Qualcomm
    • Bombardier
    Data sourced from the agency's DesignRush profile

    Intellectsoft Reviews & Testimonials

    • Harshal Chhajed
      Harshal Chhajed Undisclosed at Undisclosed
      4.5

      Software Development Review from Harshal Chhajed

      They have highly skilled support staff for faster resolution which leads to customer satisfaction. Also, it has many features including IoT and blockchain apart from regular software development. If there are any changes in the scope of the project at a later stage, it can prove quite costly and also difficult to accommodate last-minute client-side scripting changes. They are versatile, cost-effective, and offer quick customer support. They offer a very customized software development tool where business needs can be addressed. It is very cost-optimized and hence can help generate good returns for business investment.

    • Vitaly Dyachenko
      Vitaly Dyachenko CEO and Founder at UppLabs LLC
      5.0

      Software Development Review from Vitaly Dyachenko

      Intellectsoft provided a great partnership by delivering quality services and working fast. They helped us to accomplish all the clients' projects on time. The team communicated transparently and showed [] great dedication. They were an ideal partner! (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Production AI you're not allowed to get wrong.

    iSimplifyMe is an AI Infrastructure & Orchestration firm. We architect and operate production AI on private AWS...

    Top Services:

    • AI Development
    • Software Development
    • Cloud Consulting
    • CRM Consulting
    • IT Services
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $299/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed

    iSimplifyMe Services

    • AI Development
    • Software Development
    • Cloud Consulting
    • CRM Consulting
    • IT Services
    • DevOps Consulting
    • Web Development
    • IT Compliance Solution
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bartco Lighting
    • Dr Jay Calvert
    • Signature Dentistry
    Data sourced from the agency's DesignRush profile

    iSimplifyMe Reviews & Testimonials

    • Dr. Millicent Rovelo
      Dr. Millicent Rovelo Review from Google
      5.0

      Dr. Millicent Rovelo's Review Sourced from Google

      I could not be happier with this company! I have had two websites designed by them and the whole experience was amazing. Their technology and skills are top of the line and their customer service is excellent. Not to mention a good eye for aesthetics and skilled at SEO building. Highly recommend!!

    • Nikki Lazzara
      Nikki Lazzara Review from Google
      5.0

      Nikki Lazzara's Review Sourced from Google

      Joe and James and AJ have done wonders for our business. Excellent design as well as support while we navigate our new website. Professional. I highly recommend them if you are looking to improve your digital marketing.

    • Anita Patel
      Anita Patel Review from Google
      5.0

      Anita Patel's Review Sourced from Google

      I’ve worked with ISimplifyMe on a number of different projects over the years, and I think they are second to none. I am very particular about whom I choose to work with, and had interviewed a lot of companies before deciding to go with ISimplifyMe. I had contemplated going with a local company (Los Angeles), thinking it may be easier to communicate, but with ISimplifyMe the time difference was a nonissue. They replied faster and more thoroughly than local companies, and have been able to deliver time and time again. They have consistently produced high quality work, while being honest, reliable, and trustworthy.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

5 Frequently Asked Questions About System Integrator Companies

Who needs system integrator company services?

Any business that uses multiple software systems and needs them to work together needs a system integrator. When systems are disconnected, data duplicates, processes slow down, and errors increase. 

Typical use cases: 

  • Mid-size and enterprise companies that have multiple tools (ERP, CRM, HR, finance) that must share data 
  • Companies running legacy systems with outdated software that does not connect easily with modern tools 
  • Fast-growing businesses that are adding new tools quickly and losing control over data and workflows 
  • eCommerce and retail companies that need to sync orders, inventory, payments, and customer data in real time 
  • Manufacturing and logistics companies that require tight coordination between supply chain, inventory, and operations systems 
  • Finance and healthcare organizations that handle sensitive data and need secure, compliant integrations 
  • Companies undergoing digital transformation that move to cloud systems, automation, or new platforms 

Clear signal you need an integrator: 

  • Data is entered manually into multiple systems 
  • Reports do not match across tools 
  • Teams rely on spreadsheets to “connect” systems 
  • Processes break when one system changes 
  • Scaling creates more errors instead of efficiency 

At that point, integration is no longer optional. 

How much do system integrator companies charge for their services?

System integrator services typically cost $15,000 to $1,500,000+, depending on how complex your systems are and how many platforms need to be connected. 

Here is how pricing usually breaks down: 

  • Simple integrations (2 systems): $15,000 to $75,000 
  • Mid-level integrations (3–5 systems): $75,000 to $300,000 
  • Enterprise-wide integrations (5+ systems): $300,000 to $1,500,000+ 

Cost also follows a clear structure across the project: 

  • Planning and architecture: 10 to 20% of the total cost 
  • Development and setup: 50 to 70% of the total cost 
  • Testing and QA: 15 to 25% of total cost 
  • Training and rollout: 5 to 15% of total cost 

There are ongoing costs that most companies ignore at the start. After launch, expect: 

  • Support and maintenance: 15 to 25% of the initial cost per year 
  • Cloud, tools, and licenses: Ongoing monthly or annual fees 
  • API and data usage costs: Depends on volume 

Costs increase fast when systems are outdated, data is messy, or real-time processing is required. Legacy systems alone can add 20-50% to cost, and most companies should plan an extra 20-30% buffer for unexpected issues. 

What is a typical timeline for system integration projects?

Most system integration service providers require from 3 to 18 months for their projects, depending on the number of systems, data complexity, and business size. 

Here is how timelines usually break down: 

  • Small to mid-size projects: 3 to 9 months
  • Large enterprise projects: 6 to 18 months 
  • Simple integrations (2 systems): 6 to 12 weeks 
  • Complex integrations (multiple systems): 9 to 18+ months 

How system integration companies execute the project also affects speed: 

  • Phased rollout: 4 to 12 months, lower risk, more stable 
  • Big bang (all at once): 3 to 6 months, faster but higher risk 

Several factors directly impact the timeline: 

  • Data cleanup and migration can take 15 to 20% of the total time 
  • Custom features add 3 to 6+ months 
  • Legacy systems slow everything down 
  • Testing and go-live add 1 to 2 months if done properly 

Delays are common. Around 43% come from technical issues, and 40% from changing scope during the project. 

How much downtime does system integration require?

Most system integrations require little to no downtime if planned correctly, but in practice, expect a few hours to a few days of disruption during final switchovers. 

Downtime depends on how the company executes the project: 

  • Parallel integration (best case): Near-zero downtime 
    The new system runs alongside the old one, and then the switch happens quickly 
  • Phased integration: A few hours at a time 
    Work is done in small parts during planned maintenance windows 
  • Full cutover (big bang): Hours to several days 
    The entire system is replaced at once, with the highest risk of disruption 

Several factors increase downtime risk: 

  • Legacy systems: Harder to connect, more failures 
  • Poor planning: No fallback or rollback options 
  • High system dependency: If one system fails, others stop 
  • No testing environment: Issues appear during live use 

Strong teams reduce downtime by using backups, testing in advance, and scheduling work during low-activity periods. In well-managed projects, operations continue with minimal interruption. 

What kind of support do system integrator companies provide after the project is finished?

System integration service providers do not stop at launch. They provide ongoing support to keep systems stable, secure, and working as expected. Without this, integrations break over time as systems update or data grows. 

Post-project support usually includes: 

  • Fixing errors, broken connections, or data sync issues that appear after launch 
  • Tracking system health, fixing slow processes, and improving speed as data volume grows 
  • Adjusting integrations when connected platforms change or update 
  • Patching vulnerabilities and maintaining data protection standards 
  • Helping internal teams resolve issues and answering day-to-day questions 
  • Adding new features, connecting new systems, or expanding integrations as the business grows 
  • Providing guides and training so teams can use and manage the system properly 

Most companies charge ongoing support as 15–25% of the initial project cost per year. Without this support, systems degrade, errors increase, and internal teams take on hidden maintenance work. 

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