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Global Tech & HR Solutions

Sunbytes is a Dutch technology company (HQ: the Netherlands) with a delivery hub in Vietnam. For 15 years, we’ve helped clients worldwide Transform · Secure · Accelerate—turning strategy into reliable delivery, with security built in.

  • Min project size
    $50,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Utrecht, Netherlands
  • Year founded
    Founded 2012
  • Languages
  • Timezones

3 Languages that we service

  • Vietnamese
  • English
  • Dutch

2 Timezones that we service

CET
Central European Time (CET)
VST
Vietnam Standard Time (VST)

2 Locations

  • Utrecht , Netherlands
  • Ho Chi Minh City , Vietnam

No have been added yet...

    Pricing Snapshot

    Min. project size $50,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.8 /5

    What Clients Have Said

    Sunbytes offers competitive pricing with projects ranging from $200,000 to over $500,000, emphasizing good value for cost and a strong cultural fit. Clients consistently highlight their reliable project management and effective communication, making them a solid choice for various software and security solutions.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $200,000 - $999,999 based on 6 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Sunbytes Review Insights

    Overall Review Rating

    5.0
    • Quality 4.9
    • Schedule 4.7
    • Cost 4.8
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Excellent Communication and Flexibility

      Sunbytes is lauded for its effective communication and flexibility, crucial for accommodating client schedules and urgent needs. Their proactive approach fosters smooth collaboration and client satisfaction.

    • Wide Range of Technical Expertise

      Sunbytes' engineers possess a broad skill set, particularly in web development and WordPress. Their ability to integrate quickly and contribute immediately is highly valued by clients.

    • Strong Security Assessment Expertise

      Sunbytes excels in penetration testing and security assessments, successfully identifying vulnerabilities and providing clear, actionable remediation guidance tailored for IPO audits. Clients appreciate their thoroughness and the clarity of their reports.

    • Cultural and Value Alignment

      Sunbytes is frequently chosen for their cultural fit and alignment with client values, contributing to effective partnerships and successful project outcomes.

    • Areas for Improvement: Progress Updates

      Some clients note minor areas for improvement, such as more frequent progress updates during projects. However, this does not significantly impact overall satisfaction.

    • Significant Talent Recruitment Capabilities

      Sunbytes has successfully aided clients in recruiting top talent, enhancing team strength. Their deep understanding of market needs and technical skills in recruitment are key strengths.

    Sunbytes Reviews

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    Cybersecurity & App Testing Services for Technology Company

    • Application Testing Cybersecurity
    • Confidential
    • Apr. - May 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They provided practical, prioritized remediation guidance that our team could act on immediately."

    Jun 10, 2026
    CTO, C2C Platform Co., Ltd.
    Yoshiyuki Saigusa
    Verified
    • Information technology
    • Japan
    • 51-200 Employees
    • Online Review
    • Verified

    Sunbytes provided penetration testing services for a technology company. The team tested the web/API layer and iOS and Android mobile applications in a dedicated test environment.

    Cybersecurity Assessment for Sports Event Mgmt Software Co

    • Cybersecurity
    • Confidential
    • Feb. - Mar. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The overall project management was great."

    Mar 20, 2025
    Executive, Sports Event Management Software Company
    Anonymous
    Verified
    • Information technology
    • Amsterdam, Netherlands
    • 1-10 Employees
    • Online Review
    • Verified

    Sunbytes conducted a security assessment for a sports event management software company. The goal was to improve the client's software's security posture and test a new authentication layer.

    SEO & Web Development for Digital Media Company

    • Custom Software Development Search Engine Optimization Web Development
    • Confidential
    • Jan. 2020 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "We are impressed with the skill set the Sunbytes engineers have."

    Jul 21, 2023
    Product Manager, Recurrent Ventures
    Aaron Segal
    Verified
    • Media
    • Miami, Florida
    • 201-500 Employees
    • Online Review
    • Verified

    Sunbytes provides web development and SEO services for a digital media company. Sunbytes manages bug mitigation and feature development on WordPress CMS. The team also maintains websites based on older systems.

    Custom Software Dev for Security Systems Company

    • Application Testing Custom Software Development IoT Development Other Application Development Web Development
    • $200,000 to $999,999
    • Mar. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    "Their commitment and engagement are impressive."

    Jul 21, 2023
    CTO, SandGrain BV
    Pieter Hooijmans
    Verified
    • Other industries
    • Eindhoven, Netherlands
    • 1-10 Employees
    • Online Review
    • Verified

    Sunbytes has developed a cloud platform software for a security systems company. The team is responsible for the architecture, security reviews, backend development, DevOps, quality testing, and documentation.

    Dev Staff Augmentation for Publishing Software Company

    • Custom Software Development IT Staff Augmentation
    • $200,000 to $999,999
    • Jan. 2020 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    “We wouldn’t have been able to expand without them.”

    Oct 27, 2021
    CTO, Empire
    Justin DeMaris
    Verified
    • Other industries
    • San Francisco, California
    • 11-50 Employees
    • Phone Interview
    • Verified

    Sunbytes provides full-stack engineers to the tech arm of a publishing company. They act as part of the internal team and help with various development projects related to WordPress, PHP, and JavaScript.

    Custom Software Dev for Mental Healthcare Company

    • Custom Software Development
    • Confidential
    • Jan. 2016 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    4.5

    "When we contact each other, it usually takes less than five minutes to respond and react."

    Oct 20, 2021
    Project Manager, Kwadraad
    Wouter Bruijning
    Verified
    • Other industries
    • Gouda, Netherlands
    • 501-1,000 Employees
    • Online Review
    • Verified

    Sunbytes has developed custom software for a mental healthcare company. This platform allows the internal team to record their work and remind them that the customers have access to their data.

    Web & Software Development for Media Company

    • Custom Software Development Web Development
    • $200,000 to $999,999
    • Jan. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Sunbytes' ease of communication and efficiency of project work are impressive."

    Jan 27, 2026
    CEO, JancisRobinson.com Limited
    Lance Johnson
    Verified
    • Media
    • London, England
    • 11-50 Employees
    • Online Review
    • Verified

    Sunbytes provides software development services for a media company. The team works on the client's website, including the development of front- and backend systems.

    Black-Box Penetration Testing for Teaching Methods Platform

    • Cybersecurity
    • $10,000 to $49,999
    • Dec. 2024 - Jan. 2025
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "Their commitment, engagement and skill sets are impressive."

    Feb 3, 2025
    Executive, MethodeMeter
    Anonymous
    Verified
    • Other industries
    • Gouda, Netherlands
    • 1-10 Employees
    • Online Review
    • Verified

    Sunbytes conducted a black-box penetration test for a teaching methods platform. The team was responsible for identifying vulnerabilities in the client's website, framework, and hosting solution.

    Database Reprogramming & Migration for Research Organization

    • Custom Software Development
    • $10,000 to $49,999
    • Aug. - Dec. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their personal approach was impressive."

    Feb 27, 2024
    Director, 3Rs Centre Utrecht
    Jeffrey Bajramovic
    Verified
    • Other industries
    • Utrecht, Netherlands
    • 1-10 Employees
    • Online Review
    • Verified

    A research organization hired Sunbytes to reprogram and migrate their database from an unconventional CMS to WordPress. Moreover, the team was tasked with enhancing the UX/UI design of the client's database.

    Recruitment Services for Tech Company

    • Recruiting
    • Confidential
    • Mar. - May 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Our team is now stronger than ever."

    Aug 21, 2023
    Manager, Topicus
    Anonymous
    Verified
    • Information technology
    • Ho Chi Minh City, Vietnam
    • 51-200 Employees
    • Online Review
    • Verified

    Sunbytes provided recruiting services for a tech company. They assisted in identifying suitable candidates for the company's vacant positions.

    Showing 1-10 of 11 Reviews

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    10
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    June 10, 2026

    Business Entity

    Business Entity Name Sunbytes B.V.
    Source KVK
    Jurisdiction of Formation The Netherlands
    Date of Formation September 20, 2016
    Status Active
    Last Updated April 19, 2022
    ID 66873630

    Credit Report Results

    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated April 28, 2022
    Learn More About The Clutch Verification Process

    Locations (2)

    Stadsplateau 7 UtrechtNetherlands 3521 AG

    16 - 20

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    C2C Tech Hub

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    Yoshiyuki Saigusa

    Gadre Infotech Pvt. Ltd.

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    Shalaka Teli

    JancisRobinson.com

    (1)
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    Lance Johnson

    Sunbytes

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    Amanuel Flobbe

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