• Post a Project

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

Select Focus Area
Application Platforms
Amazon Application Development Framework
20%
Azure Platform
20%
Other app platform
20%
Linux server
10%
Windows server
10%
CMS Focus
Joomla CMS
100%
Frameworks and CMS
CodeIgniter
5%
Programming & Scripting
PHP
20%
Python
15%
Go
10%
Java
10%
Ruby
10%
SQL
10%
Industries
Advertising & marketing
30%
Government
30%
Information technology
20%
Business services
10%
Legal
5%
Medical
5%
Clients
Small Business (<$10M)
70%
Midmarket ($10M - $1B)
30%

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

  • 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.

  • Effective Software Development Services

    Sunbytes has demonstrated proficiency in both front-end and back-end development, significantly enhancing site performance and user experience. Their work has led to increased site speed and a 25% revenue boost for clients.

  • 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.

  • 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.

  • 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.

  • 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.

Sunbytes Reviews

Submit a Review
All Filters

0 selected

Sort by
Services
Project Cost
Industry
Location

Cybersecurity & App Testing Services for Technology Company

  • Application Testing Cybersecurity
  • Application Security
  • 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
  • NextJS
    +6
  • 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
  • Azure Platform
  • $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
  • Application Security
  • $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
  • WordPress CMS
  • $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

Contact Sunbytes

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Connect with Sunbytes on Social

Get connected to see updates from Sunbytes like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.

C2C Tech Hub

(1)
C2C Tech Hub Logotype

Yoshiyuki Saigusa

Gadre Infotech Pvt. Ltd.

(1)
Gadre Infotech Pvt. Ltd. Logotype

Shalaka Teli

JancisRobinson.com

(1)
JancisRobinson.com Logotype

Lance Johnson

Sunbytes

(1)
Sunbytes Logotype

Amanuel Flobbe

Additional Connections

(1)