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Top Cyber Security Companies in Bristol (15)

Boeing
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
33 Offices
170,000 Employees
110 Benefits Hiring Now
Explore New Horizons

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

Boeing

Boeing's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is rising, with 2025 reaching $89.5B (highest since 2018) and Q2 2026 at $24.6B as deliveries increased versus last year. The multi‑quarter trend indicates business scale is recovering.

Healthy Cash Flow: Cash generation is improving, highlighted by Q2 2026 positive operating cash flow and $0.6B in free cash flow. This shift reflects higher deliveries and working‑capital tailwinds.

Resilient & Sustainable Growth: Backlog has reached a record ~$715B, including over 6,200 commercial airplanes, supporting multi‑year production. This depth of contracted demand underpins revenue visibility.

Dragos
Security • Cybersecurity
6 Offices
295 Employees
32 Benefits
Join a mission that can save the world.

Dragos is an industrial (OT/ICS/IIoT) cybersecurity company on a mission to safeguard civilization. Our integrated software platform provides critical visibility into ICS and OT networks so that threats are identified, and can be addressed before they become significant events, our solutions are optimized for emerging applications like the Industrial Internet of Things (IIoT), enabling our clients in power and water...

Dragos

Dragos's Top Stability & Growth Strengths

Strong Revenue Growth: Annual recurring revenue tied to Dragos together with runZero and NetRise was described at about $208M as of June 2026 with roughly 53% year-over-year growth, indicating accelerating topline momentum. Earlier disclosures also point to sustained multi‑year increases in revenue and ARR.

Investor Backing & Capital Strength: An announced majority stake by Accenture at an approximately $3.2B valuation, up from a $1.7B mark in 2023, signals stronger capital support and confidence. Prior financing, including a 2023 Series D extension, further underscores access to growth resources.

Product Line Growth: The June 2026 acquisition of Phosphorus extends coverage into xOT connected devices, broadening platform scope across critical infrastructure. Earlier moves such as acquiring Network Perception and continued OT/ICS research cadence reinforce portfolio depth.

Immersive
Enterprise Web • HR Tech • Information Technology • Software • Cybersecurity
2 Offices
330 Employees
71 Benefits Hiring Now
Immersive helps organizations continuously prove and improve their cyber resilience to be ready for what's next.

Immersive, the leader in people-centric cyber resilience, helps organizations continuously prove and improve its ability to prevent and respond to cyber threats. Tailored to individual roles, our approach ensures organizations are always ready for an ever-evolving threat landscape, including the opportunities and challenges posed by AI. With a relentless focus on evidence, Immersive provides unmatched visibility into an organization's cyber...

Immersive

Immersive's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst recognition as a Leader in The Forrester Wave: Cybersecurity Skills and Training Platforms (Q1 2026, and previously 2023) highlights strength in current offering and strategy. Claims of 400+ customers, Fortune‑scale adoption, and visible enterprise/public‑sector footprints reinforce this positioning.

Innovation-Driven Growth: New GenAI‑powered capabilities and continued investment in the unified “Immersive One” platform indicate active product development. Frequent 2025–2026 feature launches and AI‑centric updates suggest a robust roadmap.

Strategic Partnerships: Collaborations such as Arctic Wolf joining the Cyber Million initiative and public‑sector programs (e.g., UK Defence, CyberTrust Massachusetts) signal expanding ecosystem reach. These relationships align with companies leaning into broader market expansion.

Zeetta Networks
Cybersecurity
Bristol
50 Employees

Enabling enterprises to deploy applications at scale. Zeetta Networks Ltd is a software company delivering a technology-agnostic, self-management interface that simplifies connectivity and cloud-managed services offered through mobile private networks. Zeetta’s approach extends the concept of network slicing introduced by 5G mobile private networks to create application focussed connectivity through the other network technologies used in enterprises. Zeetta’s vision is to make...

Zeetta Networks
OnSecurity
Software • Cybersecurity • Automation
Bristol
53 Employees

OnSecurity offers CREST-accredited penetration testing, vulnerability management and threat intelligence to customers globally. We help you find and fix the security issues that modern cybercriminals prey on. https://www.onsecurity.io/

OnSecurity
Resillion
Information Technology • Cybersecurity
5 Offices
486 Employees

From the expertise of Eurofins Scientific’s Digital Testing, Cyber Security, Digital Forensics and Content divisions, Resillion brings together over 700 experts with a passion for delivering the best in testing technologies. Resillion is a global company with end-to-end capabilities: no matter your industry, your geographical location, or stage in your digital journey. With offices in North America, Europe, and Asia, Resillion...

Resillion
Edge Cyber Security
Cybersecurity
Bristol
10 Employees

Edge Cyber Security is a cyber security firm in the UK offering a great service in the security and compliance market for small and large businesses. We strive to offer the best solution for your business and impartial advice at an honest price. We are constantly investigating new technologies and recommend them when they make sense. We love what we do,...

Edge Cyber Security
Experis
Cloud • Information Technology • Cybersecurity
28 Offices
6,774 Employees
24 Benefits

Experis is a global leader in IT professional resourcing, project solutions, and managed services specializing in Business Transformation, Enterprise Applications, Cloud and Infrastructure, Digital Workspace and Cyber Security. As digital transformation and acute skills shortages in tech continue unabated, Experis provides talent with the powerful combination of in-demand technical skills together with the soft skills that are critical for business...

Experis

Experis's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst assessments repeatedly place the company in a top-tier position for U.S. IT contingent talent and strategic solutions, indicating sustained delivery capability and market success. Its offering breadth spans beyond staffing into managed and project solutions across multiple technology domains, supporting competitive differentiation.

Strong Brand Reputation: The brand is framed as widely recognized within its defined segment, with a multi-year streak of third-party “Leader” recognition suggesting consistency rather than a one-off result. Backing by a large parent platform reinforces external perceptions of scale and credibility in the market.

Diversified Revenue Streams: Capabilities are described as extending beyond pure staffing into managed/project solutions such as cloud, digital workspace, enterprise applications, and cybersecurity. This mix implies multiple service lines that can support resilience when one demand area softens.

soVision IT
Cybersecurity
Bristol
20 Employees

soVision IT provides a single point of contact for all your IT requirements. Our priority is to ensure your time isn’t wasted with day-to-day IT administration allowing you to focus on running your own business and not the computer services which support it. No matter what size or location of your Business, soVision will provide a Solution that is fully...

soVision IT
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Chorus
Information Technology • Consulting • Cybersecurity
Bristol
100 Employees
Chorus helps organisations thrive with Microsoft-led managed IT services, cyber security and business apps.

Chorus is a long‑established Bristol managed IT services provider (MSP) with more than 25 years’ experience supporting organisations with Microsoft IT, cyber security, and business applications. Based in Bristol and working with UK clients nationwide, Chorus helps small to mid‑large organisations run secure, reliable, and scalable IT environments. As a Microsoft Solutions Partner and member of the Microsoft Intelligent Security Association...

Chorus
PwC Greece
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
80 Offices
2,108 Employees
2 Benefits

At PwC our purpose is to build trust in society and solve important problems. We’re a network of firms in 155 countries with over 327,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.

PwC Greece
Netcraft
Information Technology • Cybersecurity
4 Offices
176 Employees
15 Benefits

Netcraft provides powerful phishing detection, cybercrime disruption and website takedown solutions to the world's largest organizations

Netcraft
Logiq Consulting
Software • Cybersecurity
Bristol
124 Employees

Logiq Consulting provide a full range of Cyber Security, Information Assurance and System Engineering services. We specialise in delivering excellence, whether it is a bespoke system development, system design, compliance audit or cyber strategy. Our combination of technical expertise and business understanding means we are able to provide our clients with a complete cyber solution, enabling them to conduct their...

Logiq Consulting
Focus Group (UK)
Information Technology • Cybersecurity
20 Offices
638 Employees
16 Benefits Hiring Now

Welcome to Focus Group. Established in 2003, we’re proud to be one of the UK’s leading independent providers of essential business technology. Here to take care of all your telecoms, IT and connectivity services. This means everything in one place, one point of contact and one bill to cover everything you need. SME or global enterprise business; public sector, service...

Focus Group (UK)
QinetiQ US
Robotics • Security • Cybersecurity • Defense
27 Offices
1,592 Employees
34 Benefits

For over 60 years, QinetiQ US has been providing world-class technology development, engineering research and development and revolutionary products to the defense, security, and commercial markets. Our mission-led approach to innovation ensures we get the best capabilities rapidly into the hands of our customers. Our capabilities include Mission Operations, ISR, Cyber, Information Advantage and Robotics & Autonomous Systems. Together, these play...

QinetiQ US

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