Cyber Essentials and Cyber Essentials Plus certification are often mentioned in the same breath, but they aren’t interchangeable. Both sit under the UK Government-backed Cyber Essentials scheme and are built around the same five technical controls – firewalls, secure configuration, user access control, malware protection, and security update management. The difference is primarily how those controls are assessed, and the level of assurance you end up with.
We’ve already covered what separates the two certifications technically – the audit process, what’s tested, and how the pricing compares – in Cyber Essentials vs Cyber Essentials Plus: What’s the Difference? This post takes a different angle: rather than the mechanics, it’s about how to actually decide which one your organisation needs.
It isn’t really a technical question
It’s tempting to treat the choice between Cyber Essentials and Cyber Essentials Plus as a technical decision. In practice, it’s closer to a business one. Both certifications assess the same five controls – the real question is what level of assurance you need to give, and to whom.
Cyber Essentials protects against roughly 80% of the most common internet-based cyber attacks when the five controls are correctly implemented, according to NCSC analysis. That’s true whether you hold standard Cyber Essentials or the Plus version – the technical protection is identical. What changes with Plus is how confidently you can prove it. Read more at NCSC.gov.uk.
Do your customers or contracts require it?
This is usually the most clear-cut question. If a customer, tender or contract specifically requires Cyber Essentials Plus, the decision has effectively already been made for you. This is particularly common for organisations working in government and defence supply chains, where cyber security requirements increasingly form part of the procurement process.
It’s worth checking the specific wording, too. Some contracts ask for Cyber Essentials; others explicitly require Plus. Assuming one satisfies the other can cause problems late in a bid process.
Do you handle sensitive or high-value information?
If your organisation handles commercially sensitive, confidential, or otherwise important information, independent verification may be worth the additional assurance. Cyber Essentials establishes a credible baseline. Cyber Essentials Plus certification gives customers and stakeholders greater confidence that controls have actually been tested, rather than simply declared.
Do you want to demonstrate security, or just state it?
This is perhaps the strongest argument for Plus. There’s a real difference between telling a customer your systems meet a security standard and having an independent assessor test those systems and confirm it.
Government research into the Cyber Essentials scheme found that 61% of certified organisations say they’re more likely to choose suppliers that are also certified, and around a third of contracts entered into by certified businesses required Cyber Essentials as a condition. Certification is increasingly a factor in who gets chosen, not just a compliance checkbox. Read the full report at gov.uk.
If demonstrating security maturity matters to your organisation – for tenders, for reassuring existing clients, or simply for your own peace of mind – Cyber Essentials Plus provides a stronger form of evidence than a self-assessment alone.
Are you trying to win competitive tenders?
Cyber security increasingly forms part of supplier selection. Holding the appropriate certification won’t win a contract on its own, but not holding it can prevent you from bidding in the first place. If certification requirements are becoming more common in your sector, it’s worth checking what level your typical prospects and tenders actually specify before committing to one route over the other.
It isn’t just paperwork
It’s easy to think of certification as an administrative exercise. That misses the point. The five controls address some of the most common ways attackers gain access to systems – firewalls control network traffic, secure configuration reduces unnecessary exposure, access control limits who can reach your data, malware protection defends against malicious software, and update management closes known vulnerabilities.
Certification provides a structured way of checking these areas rather than relying on assumptions. And because the requirements are reviewed periodically – the current technical requirements are version 3.3, effective from 27 April 2026 – organisations need to maintain their security posture rather than treating certification as a one-off exercise.
Here’s a simple way to think about it:
| Features | Cyber Essentials | Cyber Essentials Plus |
|---|---|---|
| Covers the five core technical controls | ✓ | ✓ |
| Verified self-assessment | ✓ | ✓ |
| Independent technical testing | – | ✓ |
| Suitable as a recognised baseline | ✓ | ✓ |
| Often required by government/defence contracts | Sometimes | Frequently |
| Best suited to independently-tested assurance | – | ✓ |
For the full breakdown of what’s technically tested and how the costs compare, see our companion post: Cyber Essentials vs Cyber Essentials Plus: What’s the Difference?
Don’t choose Plus simply because it sounds better
Cyber Essentials Plus provides a higher level of assurance, but that doesn’t mean every organisation needs it. If your customers don’t require Plus, your risk profile doesn’t justify the additional assessment, and your immediate objective is establishing a recognised baseline, standard Cyber Essentials may be the sensible place to start.
On the other hand, if you’re working with government or defence organisations, bidding for contracts with specific security requirements, or simply want independent verification of your controls, Plus is likely to be worth the additional investment. The right certification is the one that matches your requirements – not the one that sounds more impressive.
Cyber Essentials Plus Certification Support from Base3
Base3 is an approved Cyber Essentials Plus certification body, supporting organisations through the certification process from initial readiness through to assessment. Our approach starts with understanding your environment and identifying gaps before you go anywhere near an assessor.
If you’re not sure whether Cyber Essentials or Cyber Essentials Plus is right for your organisation, get in touch and we’ll help you work out what you actually need.