CREST Penetration Testing Services You Can Rely On
Independent penetration testing, delivered to recognised industry standards by experienced certified ethical hackers. Get clear insight into your security risk.
Could You Defend Your Security Posture if Challenged?
At some point, most organisations need to prove that their security measures are working as intended.
You may:
Have invested heavily in security and want to validate its effectiveness
Be preparing for an audit or compliance review
Be responsible for systems or data that carry real business risk
Have made recent changes to infrastructure, applications, or access
Simply want an independent view of where you stand
Whatever the driver, the expectation is the same. You want penetration testing carried out by a trusted and reliable provider, reflecting how attackers actually behave, and results you can rely on to make secure decisions.
Simplifying Things For You.
How Our Pen Test as a Service Works
As an experienced pen testing provider, we follow a structured and transparent approach aligned with recognised industry standards.
- Scoping and context: We define what matters most, whether compliance scope, critical assets, or realistic attack paths.
- Realistic attack simulation: Testing is carried out manually by certified ethical hackers using current security testing techniques.
- Privilege escalation and lateral movement We assess how an attacker could progress once access is obtained.
- Risk-based reporting Findings are prioritised based on likelihood and business impact.
- Remediation support Clear guidance is provided, with optional re-testing to confirm fixes.
What a Professional Pen Test Should Tell You
Effective penetration testing services should provide clear answers you can act on.
This includes:
- Clear evidence of exploitable vulnerabilities
- How attackers could gain and escalate access
- What systems or data would be exposed
- Which controls fail under pressure
- What to fix first, prioritised by risk
- Clear reporting for technical and non-technical stakeholders
These insights should be delivered in a clear report that places vulnerabilities in context, with findings prioritised by criticality and business impact. This allows you to understand risk quickly, focus effort where it matters most, and make informed remediation decisions.
Let Us Help You Today.
Our Penetration Testing Services
Effective penetration testing should provide clear answers you can act on.
Network penetration testing
Identify weaknesses across internal and external networks, including firewalls, endpoints and internet facing assets.
External Penetration Testing
Simulates attacks from outside your organisation to identify exposed services and internet-facing risk.

Internal Penetration Testing
Simulates compromised internal access to assess privilege escalation, lateral movement, and insider threat impact.
Attack simulations
Simulate real-world attacks to identify how an adversary could gain access to your network and move across systems.
Web application pen test
Assess web applications for vulnerabilities that could lead to data exposure or service disruption.
Mobile application penetration testing
Identify insecure authentication, data leakage, and logic flaws.
Hosting configuration testing
Review host and operating system configurations attackers commonly exploit.
Firewall configuration testing
Identify unsafe firewall rules and provide clear recommendations.
Wireless network security testing
Assess wireless networks for unauthorised access risk.
A Penetration Testing Company You Can Trust
Penetration testing only delivers value when it is performed responsibly, consistently, and to recognised standards.
Our CREST penetration testing services are delivered by certified ethical hackers who hold industry-recognised qualifications, including CREST, OSCP, and related offensive security certifications. These standards exist to ensure testing is accurate, ethical, and suitable for regulated and high-risk environments.
What Our Customers Say
“What stands out most is the feedback I hear after introducing others to OmniCyber. They consistently say the team are the best penetration testers they have worked with because they work with you, not just against your systems.”
Global Travel Company
Head of Security
“Your report is the most detailed and practical we have reviewed. The level of clarity and prioritisation made it easy to understand what needed attention.”
Healthcare Industry
DevOps Manager
“The work and interactions (with Louie Augarde in particular) were so impressive we wouldn’t even consider tendering elsewhere at this point.”
UK Registered Charity
IT Infrastructure Manager
Meet Our Expert Penetration Testing Team
Our penetration testing team is made up of highly certified experts, selected for their real-world experience and commitment to staying current with modern attack techniques.
- Senior penetration testers with hands-on delivery experience
- Certified ethical hackers holding CREST, OSCP, and related credentials
- Ongoing training and certification programme
- Testing conducted in line with recognised ethical and industry standards
- Peer review and quality assurance on all findings
This means your testing is carried out by professionals with a clear duty of care to act in the best interests of your security.
A Trusted Approach To Penetration Testing
Why Choose OmniCyber as Your Pen Testing Provider?
OmniCyber is an established cyber security company, founded in 2015, with a proven track record of delivering penetration testing for organisations operating in regulated and high-risk environments.
We work with both global enterprises and SMEs, and we know how to deliver thorough testing that supports compliance, assurance, and real-world decision-making.
Clients choose OmniCyber because we take the time to understand how they work and deliver penetration testing that fits their environment, priorities, and expectations.
- Highly certified testers chosen for technical skill and sound judgement
- Ongoing investment in training to stay current with modern attack techniques
- Clear, risk-led reporting prioritised by criticality and business impact
- Proven delivery across diverse and regulated environments
- Trusted by organisations protecting sensitive and high-value data
If you are comparing pen testing companies, experience, care, and clarity matter far more than price alone.
Cost-Effective, Penetration Testing UK, From A Trusted Cyber Security Company
Our pen test pricing is tailored to meet your company’s unique needs with bespoke packages available to suit all businesses- from large enterprises to SMEs.
Contact us for a personalised pen test as a service quote or to get started with a consultation with the OmniCyber team of cyber experts.