Accelerate – Secure – Transform
One partner
for every stage
of your business
Founded in the Netherlands in 2011, Sunbytes has grown from its roots to HR and Tech to support businesses across different industries globally.
Today, we combine consulting with execution to help businesses build and strengthen their workforce, improve operations, and reduce cyber risk.
15+ years supporting businesses
across 20+ countries
Three Pillars
One goal: Your business growth
Accelerate Workforce – Secure by Design – Business Transformation
- Explore accelerate (opens in new window)
Workforce
SolutionsBuild your workforce and streamline HR operations
- Explore secure (opens in new window)
Cybersecurity
SolutionsReduce cyber risk as your business grows.
- Explore Transform (opens in new window)
Transformation
SolutionsBuild digital products & enhance how your business works
AI that works across your business
AI can help your business move faster, from building products and improving processes to security and workforce operations.
Sunbytes applies AI where it creates value, with the right controls and people around it.
Before your product meets real users
You are about to launch, or you already have your first users. If AI helped you build your digital product, now is the time to review its security, architecture, reliability and deployment before more customers depend on it.
When growth adds work faster than it adds revenue
More demand often brings more manual steps, handoffs and approvals. Instead of simply adding people, we look at how the work gets done and automate the parts worth automating to improve productivity, consistency and quality, while keeping human judgment where it matters.
When growth demands more from your product
More users, larger customers and higher expectations put new demands on the product behind your business. We strengthen the architecture, reliability and delivery foundations that need to grow with it, without defaulting to a rebuild.
Less vendor complexity
More accountability
One partner across workforce, cybersecurity and business solutions, Dutch-led with delivery and talent capacity across markets.
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One partner,
fewer handoffsWhen a business challenge crosses workforce, security and technology, you do not need to restart with a new provider every time.
Sunbytes can bring the right capability into the same engagement while keeping ownership clear.
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Dutch-founded,
with global delivery capabilityClear accountability from European-led leadership backed by delivery and talent capacity across the market.
Use the setup that fits the work without being limited to one delivery location.
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Built around
control and evidenceStructured delivery, defined ownership & documented processes sit behind the work, supported by an ISO 27001-certified management system.
Sunbytes operates with an ISO 27001-certified management system and a brand framework.
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Start from
where you need usBegin with one immediate need, whether that is hiring, security, automation or product delivery, and bring in additional capabilities only when relevant.
Start with one need. Broaden the engagement when it adds value.
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Built for
long-term continuitySunbytes can stay involved as your needs change, rather than treating every new requirement as a separate project or vendor search.
That matters when a product grows or an engagement develops into operational support.
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One business context,
multiple capabilitiesBusiness problems rarely stay inside one function. A hiring issue can become an employment problem. A product issue can expose security gaps.
We bring the workforce, security & technical expertise into the same business context.
Tell us what your business needs next
Testimonials
“Sunbytes’ in-depth knowledge and resources helped us several times to make the right decisions for the next stages of the projects.”
“Sunbytes’ ease of communication and efficiency of project work are impressive. The team is very smart, reliable, and independent, they’re the ideal partner for us.”
“Working with the Sunbytes team has given me the benefit of working with flexible well-trained developers without losing control over the project, scope, and impact.”
“We are impressed with the skill set the Sunbytes engineers have. They are experts in multiple areas of web development, and that provides us with a well-rounded knowledge base to pull from.”
“SunBytes is pragmatic, a pleasure to work with, and the communication with both engineers and management has made them direct members of our own team.”
“Sunbytes delivered exactly what we needed. They hit every target, managed the project smoothly, and kept everything on track with clear communication and regular feedback.”
“Sunbytes started to assemble the team at their own risk even before we had our seed investment signed. When that happened we could make a flying start.”
“We were impressed by the vulnerabilities that were discovered. We can tell that the pentesters dug deep to discover the vulnerabilities, and not just a surface scan.”
“Sunbytes’ thorough approach uncovered risks we’d never even considered and opened my eyes to just how important it is to secure our platform from day one.”
“Sunbytes has put a lot of effort in understanding our needs by having in-person conversations and most importantly, by asking the right questions.”
“Sunbytes provided practical, prioritized remediation guidance that our team could act on immediately.”
Customer success is our priority
Eight roles filled in two months, without lowering recruitment standards
Open technical roles were blocking delivery, and quality could not be traded for speed. Sunbytes ran needs assessment, sourcing and technical screening to fill the whole slate.
8 positions filled · 4 developers, 2 testers, 1 QA · 2 months
One platform. Consistent performance across 21 localized versions.
Marketing campaigns were stretching internal development capacity. Sunbytes added support across website performance, DevOps and code quality to improve delivery reliability across 21 localized versions.
600k+ customers served · 21 localized versions · 8-person dedicated team
A pentest that went beyond the surface
A new authentication layer needed deeper validation. Sunbytes combined manual and automated grey-box testing to uncover and classify vulnerabilities, then guided the team through the findings and remediation options.
Grey-box pentest · SOC 2 & ISO-aligned reporting · 9 findings classified
One scalable platform supporting 50M+ monthly visitors
Flexpress was managing a growing portfolio of publisher sites across different technologies. Sunbytes consolidated them onto a unified core platform and strengthened the architecture for high-traffic, campaign-driven workloads.
Hundreds of features delivered · 2M+ user ecosystem · 9-person team
Price and invoice comparisons automated at scale
Manual price and invoice comparisons were slow and error-prone. Sunbytes built integrated tools to classify pricing data, parse supplier invoices, and automate comparison across vendors.
Up to 800K products · ~150K invoices · 10+ suppliers
A full website relaunch with continuous product evolution
JancisRobinson needed to rebuild and relaunch its website without disrupting ongoing operations. Sunbytes supported frontend and backend development, integrated an AI chatbot, and stayed involved for continuous platform improvement.
Revenue up 25% · 3,005 new users in 2025 · 4-year partnership
From concept to a working prototype in 3 sprints
SandGrain needed to turn its post-quantum authentication concept into a secure, scalable cloud platform without compromising reliability. Sunbytes assembled a seven-person multidisciplinary team and delivered a functional prototype in three sprints.
15 releases · 3,380 test cases · 1,777 automated tests
Six weeks from security testing to launch readiness
Methodemeter was preparing to launch a digital education platform without dedicated in-house security expertise. Sunbytes ran a black-box pentest, guided remediation, and aligned testing with GDPR, NIS2 and ISO 27001.
6-week test-to-fix cycle · GDPR, NIS2, ISO 27001 · Launched clean
Keeping high-traffic media platforms moving for six years
Recurrent Ventures managed multiple high-traffic news sites across modern and legacy systems. Sunbytes supported WordPress development, bug mitigation, SEO, DevOps and QA to improve stability, search performance and delivery consistency.
6-person dedicated team · 6-year partnership · Tens of millions of monthly users
Legacy database rebuilt with full migration in five months
3Rs Centre Utrecht needed to modernize a web-based research database running on a non-standard CMS. Sunbytes rebuilt it on WordPress, migrated the legacy data, and improved the user experience.
WordPress rebuild · Full legacy data migration · Delivered on schedule
Web, API and mobile tested before an IPO security audit
C2C needed its production product tested across web, API, iOS and Android before an IPO security audit. Sunbytes ranked each finding and provided remediation guidance the team could act on.
Web, API, iOS & Android · All identified findings remediated · 5.0 Clutch review
Global experience across people, cybersecurity and business solutions
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15+
Years of experience -
20+
Countries -
300+
Result-driven projects completed -
100K+
Skilled professionals in our talent pool
Insights for growing businesses
- Human Resource
10 Best International Recruitment Agencies for 2026
International recruitment agencies do not all solve the same hiring problem. If you are hiring technical roles in two countries while HR needs one reporting owner, brand size alone does not remove the handoffs. A broad workforce group suits recurring multi-country hiring. A specialist firm adds role depth. A multi-region agency can provide closer ownership […]
- Human Resource
SHUI in Vietnam: what employers and recruitment agencies handle
A recruitment agency can source, assess and place an employee in Vietnam. Once the candidate accepts, however, the employment process moves into a different stage. The legal employer must issue the employment contract, register the employee for applicable Social Insurance, Health Insurance and Unemployment Insurance (SHUI), withhold Personal Income Tax (PIT), run payroll and maintain […]
- Human Resource
Employment contracts in Vietnam: mandatory clauses EU employers often miss
Your candidate has accepted the offer, but the employment contract still has no confirmed local legal employer. The probation period comes from a European template, while HR and payroll hold different salary figures. An employment contract Vietnam hiring teams can use safely must identify the employer, include the statutory content under Article 21 of the […]
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