Leading agencies include Secureworks, Ciklum, TPXimpact Ltd, Harvey Nash Group and RiskIQ. A total of 190 Cybersecurity & Pentesting providers in London, United Kingdom are ready to help. They serve clients such as Finance, Healthcare, Financial Services, Government, Retail, Manufacturing, Technology, Insurance, Education and E-commerce. Local internet speeds average 80.2 Mbps, supporting fast development and collaboration. Population of London, United Kingdom is 8,908,083. Average local salaries are around $38,440, reflecting market rates.
And chose the best one! It‘s free and takes only few minutes
Found 190 matching agencies
Lookout provides a comprehensive data-centric security solution to protect sensitive data from various threats. The company's platform detects and responds to breaches in real-time, using advanced threat intelligence and machine learning algorithms. With Lookout's cybersecurity services, organizations can ensure the secure movement of their mobile devices and applications, as well as protection against phishing attacks and data leakage. By leveraging Lookout's cloud-based security platform, businesses can safeguard their critical data from unauthorized access and minimize the risk of exploitation. Lookout's solution is designed to be flexible and adaptable to the needs of different industries, including healthcare and finance.
team of 101 - 250 people
15+ years of industry experience
rate $150 - $200 / hr
min project budget $5k
BSI Group is a global leader in helping organizations make a positive impact through innovative solutions. By providing expert services in Cloud Consulting, Cybersecurity & Pentesting, and Business Services, BSI enables clients to drive transformation and achieve sustainability goals. This UK-based company has no shareholders, ensuring that profits are reinvested to support impactful initiatives.
team of 501 - 1000 people
unknown
contact for pricing
contact for pricing
Digital Guardian provides IT services and cybersecurity solutions to help organizations protect their sensitive data. Their comprehensive data loss prevention (DLP) platform gives immediate visibility into assets, blocking threats before they're lost. With a market-leading DLP solution, Digital Guardian helps clients monitor and log threats, schedule demos, and watch on-demand webinars for expert knowledge. The company's intuitive dashboards provide real-time insights into data egress, enabling faster deployment and greater progress towards operational security maturity.
team of 101 - 250 people
20+ years of industry experience
rate $150 - $200 / hr
min project budget $10k
Veracode empowers enterprise and public sector development and security teams to create and run secure software. Their AI-powered application security solutions reduce friction and delays, enabling teams to build applications faster and manage risks confidently. Veracode provides complete and accurate application security coverage, integrating find and fix capabilities into developer workflows. By automating onboarding for developers, Veracode enables seamless integration with existing tools. With its comprehensive services, Veracode helps clients create secure software and mitigate application risk.
team of 101 - 250 people
15+ years of industry experience
rate $150 - $200 / hr
min project budget $10k
Cybereason's innovative solutions empower defenders to detect and respond to cyber threats more effectively. The company offers a comprehensive range of services, including Big Data & BI, Cybersecurity & Pentesting, designed to help businesses protect themselves against the ever-evolving threat landscape. By leveraging cutting-edge technologies such as endpoint security, artificial intelligence, and machine learning, Cybereason helps organizations streamline their security operations and reduce the risk of data breaches. With its expertise in incident response, managed security, and technical services, Cybereason empowers defenders to focus on what matters most - mitigating threats and protecting assets. By converging SIEM and XDR capabilities, Cybereason's platform provides a unified view of the entire attack, enabling faster detection and response.
team of 101 - 250 people
10+ years of industry experience
rate $150 - $200 / hr
min project budget $10k
Secureworks provides comprehensive cybersecurity solutions to protect businesses from evolving threats. Their services, including threat defense and managed security operations (MSO), are designed to deliver a strong ROI while minimizing costs. With Taegis, Secureworks offers a unified security platform that leverages data from various sources, such as cloud environments, networks, and endpoints, to provide comprehensive protection. By leveraging the power of collaboration and open-source approaches, Secureworks maximizes ecosystem investments and ensures long-term security effectiveness.
team of 501 - 1000 people
20+ years of industry experience
contact for pricing
contact for pricing
RiskIQ provides Big Data & BI, Cybersecurity & Pentesting services to help organizations protect their digital estates from cyber threats. With its advanced threat intelligence capabilities, RiskIQ helps security professionals uncover and neutralize modern adversaries and cyber threats. By providing a complete view of the internet and tracking day-to-day changes, RiskIQ enables clients to identify vulnerabilities and investigate tools and systems used in cyberattacks. Additionally, RiskIQ's Big Data & BI services help organizations gain insights from large datasets and make data-driven decisions. Its Cybersecurity & Pentesting services provide comprehensive protection against cyber threats and ensure that clients' digital assets are secure.
team of 26 - 50 people
15+ years of industry experience
rate $150 - $200 / hr
min project budget $5k
IOActive provides comprehensive cybersecurity and pentesting services to clients worldwide. By leveraging cutting-edge research and expertise, the company helps organizations protect themselves against emerging threats and vulnerabilities. Its team of security experts assists businesses in identifying weaknesses and implementing robust defenses. This proactive approach enables clients to mitigate potential breaches and ensure the integrity of their digital assets.
team of 26 - 50 people
20+ years of industry experience
rate $150 - $200 / hr
min project budget $5k
Mad Devs provides comprehensive software development services to help businesses reduce costs, optimize resources, and enhance work processes. The company offers a range of services including web & software development, mobile app development, AI development, DevOps, and more. By leveraging their expertise, clients can streamline their operations, improve productivity, and achieve their business goals. Mad Devs' team of experts works closely with businesses to understand their unique needs and provide tailored solutions. With a focus on transparency and open communication, the company ensures seamless collaboration and efficient project management. From transportation and logistics to health and biotech, Mad Devs serves clients across various industries. Their services are designed to drive business growth, improve customer satisfaction, and increase revenue.
team of 26 - 50 people
9 years of industry experience
rate $50 - $75 / hr
min project budget $50k
FORVIS provides integrated approach to tax, assurance, and consulting services. Cybersecurity & Pentesting, Business Services help clients move with momentum. Experienced insight is offered to up the game. Forward Vision informs and anticipates matters. FORSight becomes your insight. Integrated approach and expertise are available for all sizes of industries.
team of 501 - 1000 people
100+ years of industry experience
contact for pricing
contact for pricing
Neoslab Limited is a cybersecurity-oriented company that helps clients understand risks and defend against threats. Their goal is to establish a strong security baseline and business relationship. With customised solutions, they fight and protect against potential threats, safeguard data and assets, and minimise risk. Neoslab provides IT services and consulting, cloud consulting, cybersecurity and pentesting, helping clients secure and empower their digital future in a privacy-focused world. By offering zero-trust segmentation technology, they protect critical applications and valuable digital assets. The company enables consumers and employees to protect their data while securely staying connected without violating privacy and trust.
team of 2 - 10 people
20+ years of industry experience
rate $50 - $75 / hr
min project budget $5k
This company specializes in digital transformation, providing services that improve services, experiences, and outcomes. They cover various disciplines from human-centered design to data modeling and visualization, enabling clients to make predictions and smarter business decisions. Their solutions help build high-quality, scalable systems and services that underpin organizations. The company supports modernization through the latest approaches in cloud, automation, and engineering standards. By applying design thinking and leveraging AI, they help clients connect with their audiences across digital platforms, improving customer loyalty and conversion rates.
team of 101 - 250 people
15+ years of industry experience
contact for pricing
contact for pricing
Ciklum is a cutting-edge custom software engineering firm that partners with businesses to create transformative solutions. By combining next-generation product engineering, slick customer experience, and advanced AI, they accelerate growth and drive impressive results. Their end-to-end partnership approach enables clients to reimagine, reshape, and redefine their business experiences. With expertise in web & software development, mobile app development, e-commerce development, big data & BI, testing services, DevOps, IT services & consulting, cybersecurity & pentesting, and app designing (UI/UX), Ciklum helps global enterprises and digital disruptors create innovative experiences that resonate with customers.
team of 501 - 1000 people
20+ years of industry experience
rate $25 - $50 / hr
min project budget $25k
Ravelin Technology provides innovative anti-fraud and payments solutions to help merchants grow safely online. The company combines machine learning and human insight to optimize transactions and customer journeys, reducing chargeback rates and preventing fraudulent activities. With its expertise in AI development, cybersecurity, and pentesting, Ravelin helps businesses protect their bottom line from policy abuse, supplier fraud, and marketplace threats. By leveraging the power of data and analytics, merchants can make informed decisions and achieve secure growth.
team of 26 - 50 people
10+ years of industry experience
contact for pricing
contact for pricing
Kocho is a leading provider of IT services and consulting, specializing in Microsoft identity, security, and cloud solutions. They help ambitious organisations grow safely, securely, and sustainably by combining the power of Microsoft cloud technology with world-class identity, cyber security, managed services, and a team of talented people. This enables clients to realise their organisation's full potential and achieve real business value through secure cloud transformation. Kocho's expertise in identity and access management has been recognised by Microsoft, earning them multiple Partner of the Year awards and Gold Competencies. They have also helped various industries, including medical imaging services providers, transform with Microsoft Cloud.
team of 101 - 250 people
20+ years of industry experience
contact for pricing
contact for pricing
Harvey Nash Group is a pioneer in professional recruitment and IT outsourcing, providing technology recruitment, IT outsourcing, and leadership services to leading organisations worldwide. With over three decades of experience, the company has supported numerous clients across various industries. Its comprehensive range of services includes web and software development, mobile app development, e-commerce development, big data and BI, testing services, AI development, virtual reality and augmented reality development, IoT development, web3 and blockchain development, IT services and consulting, cloud consulting, cybersecurity, and pentesting. These services empower clients to succeed in a rapidly changing technological landscape. By leveraging its global reach, expertise, and innovative culture, Harvey Nash Group empowers its people to deliver tailored solutions that meet the evolving needs of clients.
team of 501 - 1000 people
30+ years of industry experience
contact for pricing
contact for pricing
Featurespace provides AI Development and Cybersecurity & Pentesting services to help financial institutions prevent fraud and financial crime. Their technology, ARIC Risk Hub, uses adaptive behavioral analytics to identify individual behavior out of character in real-time. This allows computers to understand when a customer's behavior is suspicious and automatically evaluate risk. Featurespace's solutions have been deployed on-premise or via fully hosted cloud in over 180 countries, making them a global leader in fraud and financial crime prevention. By partnering with top banks, payment processors, merchant acquirers, insurance companies, and gaming organizations, Featurespace has made significant strides in reducing false positive alerts, blocking fraud attacks as they occur, and preventing money laundering.
team of 26 - 50 people
15+ years of industry experience
contact for pricing
contact for pricing
BreachLock offers continuous attack surface discovery, penetration testing, and red teaming services to help organizations prioritize and mitigate exposures. With its AI-powered platform, BreachLock provides evidence-backed attack surface management, allowing companies to establish a more accurate baseline for measuring improvements in their security posture.
team of 26 - 50 people
6 years of industry experience
contact for pricing
contact for pricing
Camms provides a fully configurable Enterprise Risk Management solution that’s simple and intuitive for both users and administrators, easily integrates with existing systems and incident management needs, and supports risk management framework direction and maturity aspirations. This solution enables organizations to work smarter and faster, streamline their GRC processes, and achieve operational excellence. With Camms, clients can automate reporting, enhance compliance, and reduce risks. The platform is designed for the transportation and logistics sector, which faces unique challenges in maintaining a safe and incident-free working environment. By leveraging Camms' solution, organizations can optimize their operations, improve customer satisfaction, and minimize costs.
team of 101 - 250 people
20+ years of industry experience
contact for pricing
contact for pricing
Exiger provides award-winning technology to help legal, risk, compliance & supply chain professionals tackle their biggest challenges. Their innovative software accelerates and action business decisions with confidence. With Exiger's AI-powered research engine, customers can organize, scrutinize, and visualize risk information. Risk management workflow technology and sanctions screening are also available. Trusted by 150 Fortune 500 Companies and over 50 Federal Agencies, Exiger helps clients improve supply chain visibility and manage working capital. The company offers a one-platform complete solution for entire supply chain and risk. Their solutions include ESG risk management, healthcare supply chain illumination, and trusted expertise.
team of 101 - 250 people
10+ years of industry experience
contact for pricing
contact for pricing
Databarracks provides backup, disaster recovery & business continuity as a service to help businesses stay on track when disaster strikes. With decades of shared experience working behind the scenes to keep businesses running smoothly, Databarracks keeps organizations secure and resilient. The company launched the UK's first managed online backup service in 2003 and has helped numerous organizations become more secure since then. By performing restores, tests, and real invocations every day, Databarracks ensures that customers can recover instantly from major IT incidents. This service also includes individual file recovery and long-term data retention for governance, risk, and compliance. Furthermore, Databarracks offers strategic capabilities to prepare for and respond to disruption, adapt, and thrive in challenging environments.
team of 2 - 10 people
20+ years of industry experience
rate $100 - $150 / hr
min project budget $5k
ADM computing provides professional IT support and managed services to businesses in Kent and London. With over 38 years of experience, they have established themselves as a leading provider of IT solutions. Their expert IT advisors offer bespoke IT infrastructure solutions that deliver maximum efficiency and minimal downtime. ADM's technical staff are highly qualified with over 450 technical certifications, including Microsoft Gold partner status. This enables them to provide friendly, flexible support to businesses of all sizes. Whether you have an in-house IT team or not, ADM's services can help you achieve your business goals.
team of 2 - 10 people
40+ years of industry experience
rate $100 - $150 / hr
min project budget $5k
Callsign offers a range of services to help businesses navigate the complexities of digital identity. With its expertise in AI development, cybersecurity, and pentesting, Callsign provides tailored solutions for authentication and fraud prevention. By leveraging its cutting-edge technology and unique ensembling methods, Callsign helps organizations ensure the security and integrity of their customers' data. This enables businesses to focus on delivering exceptional customer experiences while maintaining robust compliance and regulatory standards. Callsign's services can benefit clients by enhancing the security and trustworthiness of their digital interactions, ultimately driving growth and revenue.
team of 26 - 50 people
10+ years of industry experience
contact for pricing
contact for pricing
A1qa provides a holistic suite of world-class testing services to help clients deliver exceptional customer experiences. With quality engineering at the helm, A1qa supports global market players in rolling out complex software products and creating operational benefits. The company's ISO-certified pure-play provider approach ensures proficient testing services that make clients feel confident. A1qa helps clients derive business benefits by providing unbiased perspectives on quality. By engaging a1qa, clients can adhere to efficient release schedules, set up QA processes that become integral components of their internal workflow, and evaluate system performance and reliability.
team of 101 - 250 people
20+ years of industry experience
rate $25 - $50 / hr
min project budget $10k
Tell us about your project and get matched with top-rated agencies. It’s fast, free, and backed by expert insight.
Post your project — free & easyCybersecurity and penetration testing (pentesting) services today encompass proactive methods designed to identify and address vulnerabilities in digital infrastructures. These services protect businesses from cyber threats such as data breaches, ransomware, unauthorized access, and compliance violations. Providers often combine automated scans with manual testing to simulate real-world attacks, ensuring comprehensive security assessments.
The cybersecurity market is rapidly growing, projected to reach approximately $424 billion globally by 2030. Decision-makers frequently ask questions such as:
Benefits include enhanced security posture, compliance assurance, protection of sensitive customer data, and improved customer trust. However, pitfalls can arise when providers offer insufficiently detailed reports, lack expertise in specific technologies, or fail to provide actionable remediation guidance. Businesses should choose agencies with proven industry experience, reliable references, and transparent methodologies.
A standard pentesting project generally lasts from one to four weeks, depending on the organization's size and complexity. Providers frequently utilize industry-standard tools such as Nessus, Burp Suite, Metasploit, Wireshark, and OWASP ZAP, combined with manual techniques to ensure thorough testing and accurate vulnerability identification.
In conclusion, hiring a knowledgeable and experienced cybersecurity and pentesting provider can significantly mitigate risks and protect critical business assets. Decision-makers should carefully evaluate providers based on their expertise, transparency, and ability to deliver actionable insights and recommendations.
Explore top locations where agencies offer Cybersecurity & Pentesting
HeroAgencies helps you connect with the best experts in each domain.