The IT Services and IT Consulting companies in Rotterdam are a mix of large established firms and younger specialized companies. Croonwolter&dros, founded in 1875, specializes in intelligent systems and sustainable solutions, while CGI Nederland, established in 1976, is a global leader in IT and business consultancy. Ortec Finance provides software for investment decision-making, and Flo Group, Part of Accenture, works on optimizing logistics performance. Avantage IT focuses on optimizing business through IT services, and Ciphix solves business challenges with practical IT solutions.
Many of these companies, such as Intermax with its secure cloud solutions and Blockbax with its IoT and sensor data analysis, demonstrate a strong focus on advanced technology and data-driven solutions. The presence of companies like DASA, specializing in DevOps and Agile, also indicates a trend towards modern development methodologies.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Croonwolter&droscroonwolterendros.nl
The company specializes in creating intelligent systems and sustainable solutions in electrical and mechanical engineering, automation, and information technology for clients |
2,864 | |||
| 2 |
CGI Nederlandcgi.com
Established in 1976, a global leader in IT and business consultancy, offering insights and results-driven solutions across 21 industries worldwide |
1,435 | |||
| 3 |
Ortec Financeortecfinance.com
Provides advanced software models and technology for investment decision making, risk management, and financial planning to global financial institutions. |
399 | |||
| 4 |
Flo Group, Part of Accentureflo-group.com
A global team working with organizations to optimize logistics performance, drive business transformation, and deliver value through supply chain solutions |
251 | |||
| 5 |
Avantage ITavantage.nl
The company focuses on providing quality IT services to help customers optimize their business through information, communication, technology, productivity, and mobility |
204 | |||
| 6 | 154 | ||||
| 7 |
Intermaxintermax.nl
Intermax specializes in designing and managing secure cloud solutions to support critical processes using cutting-edge technology and highly qualified professionals |
151 | |||
| 8 | 146 | ||||
| 9 |
Alphacomm - the revenue boosting platformalphacomm.io
A pioneering FinTech company providing secure online payment processing, fraud prevention, and pre-paid solutions with cutting-edge API-based technology globally |
101 | |||
| 10 |
XSARUS | Digital Commercexsarus.nl
XSARUS is a top digital commerce agency in the Benelux market, specializing in omnichannel e-commerce for manufacturers, wholesalers, and retailers |
92 | |||
| 11 |
railcuberailcube.com
RailCube offers a comprehensive ERP solution for Railway Undertakings, improving operations management with innovative features and a mobile application for efficient communication |
59 | |||
| 12 |
Blue Horizon Technologiesbluehorizon.nl
A software company based in the Netherlands that develops platforms and applications to analyze and solve complex problems using data |
31 | |||
| 13 |
Bugs Businessbugsbusiness.nl
We are advisors and software providers for the insurance industry, offering solutions to make business operations more efficient with clear platforms and exceptional customer support |
25 | |||
| 14 |
Blockbaxblockbax.com
This company assists businesses in leveraging IoT and sensors to collect and analyze data for improved agility and efficiency |
20 | |||
| 15 |
Drive Consultingdriveconsulting.nl
Drive is an Agile consultancy firm focused on empowering organizations to improve services, products, and collaborations by fostering a proactive Agile mindset among clients |
19 | |||
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| 16 |
Procysprocys.com
A technology company dedicated to automating routine work processes, offering services like data extraction, invoice processing, and customized solutions for businesses |
19 | |||
| 17 |
Clockworksclockworks.co
A leading AI innovator in Rotterdam, specializing in high-performance AI solutions focused on computer vision and unstructured data integration for businesses worldwide |
15 | |||
| 18 |
Kuikcokuikco.com
Provider of data labelling, annotation, and localization solutions for enhancing AI systems, specializing in Western European languages at the data & language intersection |
12 | |||
| 19 |
Active Professionalscmotions.com
Active Professionals is a Dutch intelligence company specializing in transforming data into valuable insights, offering personalized solutions with a passionate team of data specialists |
11 | |||
| 20 |
Tradetomatotradetomato.com
Next-gen trade and portfolio automation platform, managing crypto finances across wallets, exchanges, and financial crypto services with AI and machine learning. |
10 | |||
| 21 |
DataRocksdatarocks.eu
A consulting company passionate about data analytics, focused on improving enterprise data analytics for Financial, Retail, and FMCG industries |
9 | |||
| 22 |
Agnicioagnicio.com
Incorporating data analytics, Agnicio empowers organizations with transformative insights to drive informed decisions, strategic choices, growth, and innovation |
9 | |||
| 23 |
PromptTalentsprompttalents.com
PromptTalents trains AI-powered marketers to push boundaries, accelerate marketing output, and scale departments for leading companies in the digital age |
8 | |||
| 24 |
in4Datain4datascience.com
Transforming data from a secondary concern to the heart of business operations, enabling improved customer insights, increased margins, and smoother processes for companies Contact for expert assistance |
7 | |||
| 25 |
Unchained Carrotunchainedcarrot.com
A marketing software platform that helps businesses create content, boost sales, and increase traffic online and offline with automation, rewards, events, and advanced analytics |
3 | |||
| 26 |
Pairopairo.tech
Specializing in optimizing business processes through Robotic Process Automation and AI to automate repetitive tasks and enhance performance cost-effectively |
3 | |||
| 27 | 2 | ||||
| 28 |
SMBinvoicessmbinvoices.com
SMBinvoices specializes in AI-powered solutions for automating business processes, particularly through their Invoice Recognition API for efficient invoice processing and data extraction |
2 | |||
| 29 |
AI Business Academy | AI Trainingen & Solutionsai-businessacademy.nl
Specializing in AI-driven business optimization, we develop custom solutions to drive direct business impact through seamless integration of AI for efficiency and innovation |
2 | |||
| 30 |
Dataviator.ai
Specializing in Generative AI technology, the company creates advanced AI solutions tailored to individual needs in various industries |
2 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
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The same list elsewhere in Netherlands
- IT Services and IT Consulting companies in the Netherlands 690
- IT Services and IT Consulting companies in North Holland 205
- IT Services and IT Consulting companies in South Holland 121
- IT Services and IT Consulting companies in North Brabant 86
- IT Services and IT Consulting companies in Gelderland 40
- IT Services and IT Consulting companies in Overijssel 27
- IT Services and IT Consulting companies in Amsterdam 140
- IT Services and IT Consulting companies in Utrecht 72
- IT Services and IT Consulting companies in Eindhoven 29