Penetration testing, red teaming, and security auditing for organisations that cannot afford to guess where they're exposed.
What we do
Offensive security means thinking like an attacker so you don't become a victim.
Every organisation has blind spots. Firewalls pass traffic they shouldn't. Applications trust input they shouldn't. People click things they shouldn't. We simulate real-world attacks from external reconnaissance through to privilege escalation and lateral movement, so you see exactly how an adversary would operate inside your environment.
What you get is not a vulnerability scan. It is a prioritised, evidence-based report showing what is exploitable, what the business impact is, and what to fix first. We work with your teams to close the gaps, not just document them.
Why it matters
Find vulnerabilities before threat actors do. Proactive testing turns unknown risks into controlled, prioritised remediation.
Forgotten subdomains. Shadow IT. Exposed APIs from a project two years ago. You cannot protect what you have not mapped.
Not everything carries the same risk. We focus on the assets that drive your business. Customer data, financial systems, intellectual property.
We use the same tools, techniques, and tradecraft as real adversaries. Not a scanner with a report wrapper. Actual operators trying to break in.
Every finding comes with a severity rating and concrete remediation guidance. Your team knows exactly where to focus first.
Deliverables structured to support NIS2, ISO 27001, and DORA audits. Mapped to control objectives, not just CVE numbers.
What we do
We test web applications, APIs, internal networks, cloud infrastructure, and mobile applications by hand. We chain vulnerabilities and demonstrate real business impact from initial foothold to data exfiltration. Scoped to your environment. Delivered with a report your team can act on.
Full-scope adversary simulation under realistic constraints: phishing, social engineering, physical access, technical exploitation. The goal is not a finding count. It is an honest answer to whether your organisation can detect and respond to a determined, multi-stage attack.
Our offensive operators work alongside your defensive team in real time. We execute attack techniques mapped to MITRE ATT&CK while your SOC validates detections, tunes rules, and closes visibility gaps. Results you see the same day, not six weeks later.
Tailgate attempts, badge cloning, and server room access that test whether your physical barriers hold against someone determined to get through.
We replicate the specific tactics of threat groups relevant to your sector, using the actual playbook of adversaries who have targeted organisations like yours.
Systematic identification and risk classification of weaknesses across your infrastructure. The right starting point before deeper testing.
External footprint discovery across domains, subdomains, exposed services, and leaked credentials. Most organisations are surprised by what turns up.
Manual source code analysis targeting logic flaws, injection vectors, and authentication bypasses that automated tools miss, in the languages your team writes.
Gap analysis against NIS2, ISO 27001, DORA, and CIS Benchmarks covering policies, configurations, access controls, and operations.
Actionable intelligence on threat actors and campaigns relevant to your sector, including dark web monitoring, credential tracking, and briefings tied to your technology stack.
Phishing, pretexting, and social engineering campaigns that show you exactly where human risk sits in your security posture.
Workshops for developers, IT teams, and management covering secure coding, phishing awareness, and executive tabletops, built for your stack and threat landscape.
Containment, forensic investigation, evidence preservation, and recovery on-site or remote. We find what happened, how far it went, and what needs to close. Retainer agreements available so you are prepared before the call comes.
How we work
Every engagement follows a structured, reproducible methodology drawn from internationally recognised security testing standards. Comprehensive coverage from reconnaissance and threat modelling through exploitation and post-engagement reporting. No improvisation. No cutting corners.
Our operators hold recognised offensive security certifications and train continuously. They attend leading conferences, contribute to research, and stay current on emerging attack techniques year-round. Not once at onboarding. All the time.
Why TEXCEL
Offensive security only. That is a deliberate choice, not a limitation. The person testing your systems has spent years doing exactly that. No generalists. No side projects. No upselling into adjacent services we half-know.
We dig. If the obvious path is blocked, we try another. Real vulnerabilities are rarely found on the first pass, and neither are the ones that matter most. We do not stop when the automated tools do.
Our testing follows internationally recognised standards. OWASP, PTES, NIST. Not because frameworks are exciting, but because they produce findings you can act on and defend to auditors. Reproducible methodology. No cowboy approach.
We write reports that tell you the truth about your security posture. Not the version designed to justify next year's contract. If something is not a real risk, we say so. You should know that before you spend a euro on it.
Most of our clients come back. Not because they are locked in. Because the work held up. We think that matters more than a reference list.
We are not optimising for this quarter. We are a small team and our reputation matters more than a rushed engagement. We would rather lose a deal than deliver something we are not proud of.