7 Factors to Evaluate IT Cybersecurity Consultants

Choosing the right cybersecurity consultant is not simply about finding someone who can run a vulnerability scan or help you complete a compliance checklist.

For UK mid-sized organisations, manufacturers and utilities, the right cybersecurity consultant should understand your business risks, assess your existing security controls, provide relevant technical expertise and recommend improvements that are realistic for your organisation.

This is particularly important for organisations operating across both IT and operational technology (OT) environments. Cloud platforms, remote access, third-party suppliers, industrial systems, legacy technology and regulatory requirements can all introduce different types of cyber risk.

The right IT cybersecurity consulting partner should understand how these systems connect, where the most significant risks sit and how security controls can support the business without unnecessarily getting in the way of operations.

So, what should you look for?

Here are seven factors worth evaluating before choosing a cybersecurity consulting partner.

What Type of Cybersecurity Support Do You Need?

Different organisations require different types of cybersecurity expertise. Before comparing consultants, consider your environment and the type of support you are likely to need.

The right provider will depend on your organisation's risk profile, regulatory requirements, technology environment and internal cybersecurity capabilities.

1. Do They Understand Your Business and Risk Environment?

A good cybersecurity consultant should not start by recommending tools.

They should start by understanding your organisation.

That means looking at how your business operates, what systems are critical, what information you need to protect, who has access to it and what would happen if those systems became unavailable or compromised.

For example, the priorities of a professional services company operating primarily in Microsoft 365 will be very different from those of a manufacturer running production equipment alongside corporate IT systems.

Good UK cybersecurity consultants should therefore be able to assess risk in context rather than applying the same security model to every organisation.

Before choosing a partner, ask how they approach the discovery and risk assessment stage. If the conversation immediately moves towards products without first understanding your environment, it may be worth asking why.

2. Can They Assess Your Existing Security Controls?

Most organisations already have some cybersecurity controls in place.

The question is whether those controls are appropriate, configured correctly and providing the protection you expect.

An enterprise security controls assessment can help identify gaps across areas such as:

• Identity and access management

• Multi-factor authentication

• Endpoint protection

• Network security

• Vulnerability management

• Backup and recovery

• Email security

• Logging and monitoring

• Incident response

• Security policies and governance

The goal should not simply be to produce a long list of weaknesses.

A useful assessment should help you understand which gaps create the greatest risk and what should be addressed first.

Look for consultants who can prioritise recommendations based on risk, operational impact, available resources and business objectives.

A 100-page report is not particularly valuable if nobody knows what to do with it.

3. Do They Understand Both IT and OT Security?

For manufacturers, rail organisations, utilities and other organisations operating physical or industrial systems, traditional IT cybersecurity experience may not be enough.

IT and OT security share many cybersecurity principles, but the environments can behave very differently.

In corporate IT, patching a vulnerable system or restarting a device may be relatively straightforward. In an operational environment, the same action could interrupt production, affect availability or create safety concerns.

OT environments may also contain legacy equipment, proprietary protocols and systems that were designed long before modern cybersecurity requirements existed.

A cybersecurity consultant working across IT and OT should understand these differences.

They should be able to consider security alongside availability, operational continuity and, where relevant, safety.

For organisations where IT and OT environments are increasingly connected, this becomes particularly important. A weakness in one environment can create a route into another.

OT-specific checks for manufacturers and utilities

When evaluating a cybersecurity consultant for an industrial or operational environment, check whether they:

• Have experience with relevant OT cybersecurity standards and frameworks, including IEC 62443, and understand how cybersecurity controls need to be applied within operational environments.

• Understand the regulatory, operational and resilience requirements relevant to your sector, including how cybersecurity decisions can affect availability, continuity and safety.

Experience protecting conventional enterprise IT does not automatically translate into experience protecting industrial environments.

4. Can They Evaluate Cloud Security and Migration Risk?

Moving systems and workloads to the cloud does not automatically make them secure.

Cloud providers secure the underlying infrastructure, but organisations remain responsible for many aspects of configuration, identity, access and data protection.

Common risks can include:

• Excessive user privileges

• Poorly configured cloud resources

• Weak authentication

• Exposed storage

• Insecure APIs

• Inadequate logging

• Unmanaged third-party integrations

• Incorrect security configurations during migration

This means cloud security and migration risk should be considered before, during and after a migration.

A strong IT cybersecurity consulting partner should be able to review the architecture, understand the shared responsibility model and identify security risks without unnecessarily slowing down cloud adoption.

They should also consider how cloud services connect to the rest of your environment rather than assessing them in isolation.

5. Can They Support Compliance Without Treating It as a Tick-Box Exercise?

Compliance is often one of the reasons organisations begin reviewing their cybersecurity.

For UK organisations, relevant certifications, standards and assurance schemes may include Cyber Essentials, Cyber Essentials Plus, IASME Cyber Assurance and ISO 27001, alongside industry-specific requirements.

The credentials you should look for will depend on the type of support you require and the sector in which you operate.

For organisations working within the GB rail industry, for example, RISQS can also be relevant when evaluating suppliers. RISQS provides supplier assurance for the rail industry and helps buyers identify suppliers with verified capabilities.

Complete Cyber currently holds:

• Cyber Essentials Plus certification

• IASME Cyber Assurance Level 1

• RISQS verified supplier status

These credentials provide useful evidence of an organisation's own cybersecurity and sector assurance, but credentials should never be considered in isolation.

A good cybersecurity consultant should also demonstrate relevant technical experience and explain how their expertise applies to your specific environment and risks.

What Is the Difference Between Cyber Essentials and Cyber Essentials Plus?

Both Cyber Essentials and Cyber Essentials Plus are based on the same fundamental technical security requirements.

Cyber Essentials uses a verified self-assessment process to demonstrate that an organisation has implemented the required controls against common cyber attacks.

Cyber Essentials Plus builds on the same requirements but adds independent technical testing to verify that the controls have been implemented.

For organisations reviewing potential cybersecurity partners, Cyber Essentials Plus can therefore provide a higher level of assurance that the organisation has implemented the required controls within its own environment.

However, holding Cyber Essentials or Cyber Essentials Plus does not by itself mean that a consultancy is authorised to assess and issue Cyber Essentials certifications to other organisations.

Compliance should support security, not replace it.

How to Compare Different Types of Cybersecurity Consultants

Not every cybersecurity provider offers the same type of support. Understanding the differences can help you create a more relevant shortlist.

Cybersecurity Advisory Consultants

Advisory consultants typically focus on areas such as security strategy, risk assessments, governance, compliance and security improvement programmes.

They can be particularly useful when an organisation needs to understand its current security posture and determine what to prioritise.

Penetration Testing Providers

Penetration testing providers specialise in testing systems, applications or infrastructure to identify exploitable vulnerabilities.

When comparing providers, consider their methodology, technical expertise, relevant accreditations and how clearly they explain and prioritise their findings.

Managed Detection and Response Providers

Managed Detection and Response (MDR) providers focus on ongoing security monitoring, threat detection, investigation and response.

When considering MDR, understand what is monitored, how alerts are investigated, what response support is included and how the service integrates with your existing technology and internal team.

Virtual CISO Support

A virtual Chief Information Security Officer (vCISO) provides strategic security leadership without requiring an organisation to employ a full-time CISO.

This can be useful for organisations that need ongoing support with cybersecurity strategy, governance, risk management, compliance and communication with senior leadership.

Some cybersecurity consultancies provide several of these capabilities, while others specialise in one area.

The right choice depends on the gaps within your existing team and the outcomes you are trying to achieve.

6. Are Their Recommendations Realistic for Your Organisation?

Not every organisation has the budget or resources of a large enterprise.

This is particularly important for mid-market and manufacturing cybersecurity, where organisations may have complex technology environments but relatively small internal IT or security teams.

Recommendations need to reflect that reality.

A consultant might identify twenty improvements, but attempting to implement all twenty immediately may be unrealistic.

A better approach is to prioritise them.

For example:

• Critical: Address immediately because the issue creates significant exposure.

• High priority: Include within the next phase of security improvements.

• Medium priority: Plan as part of the organisation's wider security roadmap.

• Longer term: Consider as cybersecurity maturity develops.

This creates a practical path forward and helps leadership understand where cybersecurity investment will have the greatest impact.

Your consultant should be able to explain not only what needs to change, but also why, when and what risk the change addresses.

7. Can They Become a Long-Term Security Partner?

Cybersecurity is not something that can be assessed once and forgotten.

Technology changes. Employees join and leave. New cloud services are introduced. Vulnerabilities are discovered. Suppliers change. Attack techniques evolve.

Your security requirements will change with them.

When evaluating IT cybersecurity consultants, consider what happens after the initial assessment or project.

• Can they help you review your security posture over time?

• Can they support incident response?

• Can they advise you when your infrastructure changes?

• Can they help you understand emerging threats and regulatory requirements?

• And importantly, can they communicate effectively with both technical teams and senior leadership?

The best cybersecurity relationships are collaborative. Your consultant should work alongside your internal IT, engineering, operations and leadership teams rather than operating separately from them.

Choosing the Right IT Cybersecurity Consulting Partner

There is no single cybersecurity consultancy that will be the right fit for every organisation.

The important thing is to find a partner that understands your environment, your risks and what your organisation is realistically able to implement.

When comparing providers, look beyond certifications and service lists.

Ask how they assess risk. Ask how recommendations are prioritised. Ask about their experience with environments similar to yours. And if your organisation operates both IT and OT, make sure they understand the operational differences between the two.

Ultimately, effective IT cybersecurity consulting should give you more than a report.

It should give you a clearer understanding of your cybersecurity risk, practical priorities for improving your security posture and confidence that your controls support both your technology and your business.

Frequently Asked Questions

Need Help Assessing Your Cybersecurity?

Complete Cyber works with organisations across IT and OT environments, helping businesses understand their cybersecurity risks, assess existing controls and build practical security strategies.

With Cyber Essentials Plus certification, IASME Cyber Assurance Level 1 and RISQS verified supplier status, our team combines cybersecurity expertise with experience across complex IT and operational environments.

Whether you are reviewing your current security posture, preparing for Cyber Essentials, assessing cloud risk or looking at security across IT and OT environments, we can help you identify where to focus first.

Speak to Complete Cyber about your cybersecurity requirements and find out where your biggest risks and opportunities for improvement are.