Find Managed Security Service Providers (MSSPs) Worldwide

Ntiva is a national managed IT services company headquartered in McLean, Virginia, in the United States, with offices in cities across the country. Businesses rely on Ntiva for 24/7 support, proactive cybersecurity with round the clock monitoring, cloud solutions, backup and disaster recovery and strategic IT consulting. A layered security approach with multi factor authentication and virtual CISO guidance helps clients stay secure and ready for audits in regulated industries.

Nucleus provides managed IT and managed security from Vancouver in Canada, running cybersecurity as an ongoing discipline for its clients. Continuous monitoring, detection and response operate under SOC 2 security practices, supported by managed backup, cloud and Microsoft 365 management, vCIO strategy and managed voice. Mining, legal, construction and engineering organizations across Metro Vancouver use Nucleus, and its teams also support clients in Victoria, Calgary, Toronto and Prince George with coast to coast coverage.

OPNS is an identity and access management specialist based in Antwerp, Belgium, founded in 1989. The company helps organizations assess, design, integrate and run identity platforms, with services covering privileged access management, identity governance, single sign on, multi factor authentication and user lifecycle management. Its managed services team handles day to day operations, monitoring, routine changes, updates and support for IAM estates, serving clients across Benelux, France, Germany and the Middle East.

OTM Cyber is based in Huntsville, Alabama, in the United States, and provides managed cybersecurity with continuous monitoring and response support for mission critical environments. Its United States based Security Operations Center gives public safety, emergency communications, government, and critical infrastructure organisations sensor first visibility, analyst led investigation, and integrated response help. The firm also supports readiness through training, cyber wargaming, and awareness programmes, and validates controls through testing that respects uptime and operational continuity in Huntsville and beyond.

OVIS IT Consulting runs managed networks for businesses from its base in Berlin, Germany. Its OVISnet service supplies network hardware on a monthly plan, watches systems with 24/7 monitoring, applies regular security updates to every device and gives each client a named contact person. The company also runs its own data centers in Berlin for hosting, backup and colocation, provides fast internet access as an independent provider, and advises clients on planning and improving their networks.

OWN.Security is a Paris based cybersecurity specialist in France, founded in 2008, that builds its work around knowledge of the threat. The company runs a managed SOC that detects, analyses and remediates incidents in real time, and its CERT team handles incident response and forensics. OWN.Security also provides threat intelligence, data leak and brand monitoring, red team exercises, PASSI qualified audits and outsourced CISO and DPO support, helping Paris organisations work towards ISO 27001, NIS2, DORA and GDPR duties.

Octagon Technology provides managed security and IT support from North Hykeham in the United Kingdom, centred on a Security Operations Centre offered as a service. The centre gives businesses continuous monitoring and incident response, gathering logs from Microsoft 365, Google Workspace and in house servers and applying machine learning to spot unusual activity. Experienced cyber security experts work with scanning and detection tools to triage attacks and escalate problems quickly, helping North Hykeham clients protect data while the wider team keeps everyday technology running.

OctoSafes is a cybersecurity firm in Quebec City, Canada, founded in 2016. The firm provides managed security services with real time monitoring and rapid response, plus security architecture, application security, dark web monitoring and cloud security. OctoSafes also offers vCISO leadership, incident response and forensic investigation, risk management, audit and compliance support, and training for business teams that need ongoing protection for their systems and data.

Oesia, or Grupo Oesía, is a Spanish engineering and technology group in Rivas-Vaciamadrid, Spain, founded in 1976, with about 4,000 professionals. Through Cipherbit, its cybersecurity and secure communications brand, the group runs security operations centres with national and international coverage, advanced monitoring and incident response, forensic analysis and offensive security testing in IT and OT environments. A managed security service from its SOC protects connected medical devices in hospitals with continuous scanning and 24x7 network monitoring.

OmniCyber Security Limited is a cyber security firm based in Birmingham in the United Kingdom, with a second office in Canada and clients across North America, Europe, Africa, Asia and Australia. It works as an embedded managed security partner, providing network monitoring and advanced threat detection alongside CREST accredited penetration testing, web application testing and social engineering. The team also helps organisations with PCI DSS, ISO 27001 and GDPR compliance, supplier assurance and security training. Clients range from growing small businesses and nonprofits to governments and large multinational corporations that need ongoing protection for their people, systems and data.

One eSecurity is a cybersecurity firm in Madrid, Spain, that provides managed threat hunting, a SOC-Less monitoring and incident response service managed externally by expert teams, digital forensics and incident response, emergency incident response, cyber threat intelligence and cyber consulting. Founded in 2007, the company works with multinational companies and government agencies, using real time monitoring with SIEM, EDR and XDR tools, recurring hunts across networks and endpoints, and its TRINITY detection platform to find hidden threats early and help clients contain incidents and return to normal operations.

OneCyber is a cybersecurity company in San Cristobal de La Laguna, in the Canary Islands, Spain, and it describes itself as a leading cybersecurity firm in the Canary Islands. Its services include a security operations center that monitors client information systems against cyber threats and data leaks, security audits, penetration testing and Red Team work, and other offensive and defensive cybersecurity services. OneCyber works with private companies and public bodies, from small and medium sized businesses to large companies, that need help finding weaknesses and protecting their business and data.

OneSec Cybersecurity is a cybersecurity firm in Oisterwijk in the Netherlands that helps businesses protect their computer systems, networks, mobile devices and electronic data against unauthorised access and cyber attacks. The team manages client risks and ISMS environments, carries out regular checks, runs security scans and penetration tests, builds incident response plans and supports recovery after an incident. Its clients are business organisations with tens, hundreds or thousands of users that need daily attention for their security.

Onsecc helps businesses in London in the United Kingdom meet cybersecurity compliance duties while staying protected day to day. The company provides 24/7 monitoring and audit support, real time threat monitoring, intrusion detection and prevention, firewall protection, email security and data encryption. Its team also supports standards such as ISO 27001, GDPR, HIPAA, SOC 2, NIST and PCI DSS, guiding organizations through risk work, policies, evidence and audits so security and compliance run as one ongoing service.

Onsys is a managed security and database services company based in Melbourne, Australia. Its security practice runs a 24/7 Security Operations Centre with managed SIEM, proactive threat hunting, managed endpoint detection and response, vulnerability management and cloud security across AWS, Microsoft Azure and Google Cloud. Analysts triage alerts, contain incidents and produce compliance evidence for Australian mid market and small to medium businesses, including organisations in telecommunications, manufacturing, healthcare and payments, while its Australian consultants also run remote database support around the clock.

Open Security is a veteran owned cybersecurity firm in San Antonio, Texas, in the United States, built around operator led testing and an ongoing vulnerability management programme. Its teams run monthly authenticated scanning, rank findings by what is actually exploitable, and guide prioritised remediation cycle after cycle. The firm also offers penetration testing, vulnerability assessments, attack surface discovery, red team work, and continuous exposure management, helping organisations in San Antonio see where risk lives and prove that fixes are working.

Opsio India is the Indian delivery arm of Opsio, a Swedish managed cloud services provider, working from Bengaluru, India, with headquarters in Karlstad, Sweden. Opsio provides 24/7 managed cloud services across AWS, Microsoft Azure and Google Cloud, including managed infrastructure, migration, DevOps automation, security monitoring through its security operations centre and compliance work for ISO 27001, NIST, GDPR and NIS2. Its certified team has completed thousands of projects for clients in Europe and Asia, helping growing enterprises run cloud systems securely at lower cost.

Opus Consulting Group is a managed IT provider in Vancouver, Canada, that small and mid sized teams have trusted since 2002. The team monitors, secures and supports client systems every day, covering managed IT security, helpdesk support, cloud services, backup and disaster recovery, and endpoint security. Its specialists also deliver professional IT projects, from strategic planning and upgrades to full implementations, under a not to exceed statement of work. With offices in Vancouver, Edmonton and Toronto, Opus Consulting Group helps businesses across Metro Vancouver and Canada keep their data safe and their networks secure.

Orange Cyberdefense is the cybersecurity arm of the Orange group, based in Nanterre, France, near Paris La Défense. More than 3,000 security experts deliver managed threat detection and response, CyberSOC monitoring, threat intelligence, endpoint security, vulnerability management, penetration testing and incident response for organisations worldwide. The company supports clients in sectors from healthcare and finance to government, education, manufacturing and retail. Its research teams track threats globally, and country offices across Europe, including Germany, give clients local specialists backed by a global security operation that never closes.

Orange España is the Spanish business of the Orange group, based in Pozuelo de Alarcon near Madrid, and businesses in Spain can draw on Orange Cyberdefense, the group cybersecurity unit. Orange Cyberdefense provides managed security services, managed detection and response and incident response, operated from security operations centres with teams active 24 hours a day. It employs more than 3,300 security experts in 23 countries with 36 detection centres. In Spain, a 2026 agreement with MasOrange set up Orange Cyberdefense Spain for customers across the country.

OrionTechSystems, operating as Orion Secure, provides managed security and technology support in Millersville, Maryland, in the United States for small and medium sized businesses. Its Orion Secure plans bundle cybersecurity protection with encrypted email and collaboration tools, automated daily backup and help desk support, with tiers for small offices through enterprise teams. The company also offers cyber and network security, disaster recovery, network monitoring and infrastructure design, drawing on more than 15 years of experience and a customer first approach built on trust.

Orro Group is based in Sydney, Australia and provides managed IT services, cybersecurity, cloud services, IT consulting, network services, endpoint security. Clients in Sydney use the team for ongoing protection, quick help when problems appear and clear advice on improving their security over time. The company works with healthcare, finance, government, education, retail, nonprofit and mainly serves small and medium sized businesses. People who want a local security partner in Sydney can contact Orro Group to talk through their systems, their risks and the level of support they need.

Outsource IT security is based in Vienna, Austria and provides IT outsourcing with cybersecurity as its main focus, including managed SIEM services, managed firewalls and managed cybersecurity systems. The team handles network audits, network equipment management, server management, vulnerability management and security solution setup for endpoints and access control. Its managed SIEM service monitors systems in real time, collects security data from network devices and servers, and helps clients spot incidents and respond before they disrupt daily work for businesses of different sizes.

Outsource Solutions Group provides managed security and IT services in Naperville, United States. Businesses in Naperville, United States turn to Outsource Solutions Group when they want security handled by a named team instead of a distant call centre. The service covers managed IT services and cybersecurity covering security information and event management, advanced endpoint defense, email threat protection, dark web monitoring, password testing and phishing training. Clients include businesses across Naperville, Chicago and the wider Chicagoland area that want one accountable team for IT support, consulting, helpdesk cover and network support.

Overwatch Technology is a veteran owned managed security and managed IT provider in Peachtree City, United States, serving law firms, manufacturers and professional services firms. Its team runs endpoint detection and response on workstations and servers, email filtering with impersonation protection, multi factor sign in and conditional access for Microsoft 365, plus security awareness training with phishing simulations. Staff read the alerts, act on them and explain what happened in plain English, while also handling patching, backups and help desk support for businesses that cannot afford a bad day.

OxygenIT is a managed IT and cybersecurity provider in Christchurch, New Zealand, founded in 2005. Its team delivers managed cybersecurity with around the clock monitoring, endpoint detection and response, managed email protection, penetration testing and a managed security operations centre. The company also provides Microsoft 365 support, cloud services, backup and data centre colocation for local firms. OxygenIT mainly serves New Zealand businesses with 20 to 200 staff that want fast local help and clear security reporting.

Oyster Technologies Limited is a cyber security provider headquartered in Chessington in the United Kingdom, offering a SOC service with security operations and incident management in real time. Its team covers vulnerability management with a continuous overview of client risks, endpoint detection and response that constantly monitors and analyses networks, incident response with support at any hour, identity and access management, and data security and privacy management with continual monitoring and reporting. It also provides fully managed compliance services and penetration testing for financial institutions, public sector bodies, retailers, and utilities and energy firms.

PCTECHNZ is a managed IT and cyber security provider based in Whangarei, New Zealand, serving businesses across Northland and Auckland. Its managed services include 24/7 device monitoring, endpoint detection and response, cyber security, email, server and network administration, desktop support and helpdesk support. The company also provides cloud services, backup and disaster recovery, business continuity planning, IT consultancy and digital transformation support. PCTECHNZ works with local businesses of different sizes, from small firms needing full IT management to larger organisations using co managed support alongside an internal team.

PCe Solutions is a managed IT and cybersecurity provider with an office in Tampa, United States, and Canadian offices led from Calgary, Alberta. Cybersecurity is included in every engagement, with layered protection across systems and people, threat detection, ransomware protection and compliance support. The firm provides 24/7 monitoring and help desk cover, managed IT, cloud services and migration, Microsoft 365 support, VoIP and unified communications, hardware as a service and managed AI services. Businesses in Tampa Bay and across Canada use PCe for a flat monthly rate, a dedicated IT manager and emergency support that runs 24/7, every day of the year.

PILLIOT CYBERSECURITE ET INFORMATIQUE is based in Aire-sur-la-Lys, France, and provides managed services for business IT security. The team offers real time computer surveillance, incident response, server and network management, backup and recovery management, and technical support for end users. It also provides cybersecurity software, GDPR compliance support, security audits, and cyber insurance, serving private companies, associations, and public administrations of different sizes.

POSMU-IT provides managed IT and security services for companies and medical practices from Langelsheim, Germany. The team plans, builds and maintains networks, supplies its OSOS hardware firewall to protect sensitive practice data, and uses professional monitoring and security tools to spot problems before they cause failures. Clients reach experienced specialists through a hotline and remote maintenance, and POSMU-IT also supplies HP hardware, Kyocera printers, CGM practice software and server and cloud solutions for customers across Europe.

PSM Partners is a managed IT services and cybersecurity company based in Chicago, Illinois, in the United States. The team looks after day to day IT support, cloud services, Microsoft 365, identity and access management, network services, and backup and disaster recovery for small and medium sized businesses. Healthcare groups, financial firms, schools, law firms, nonprofits, manufacturers, and associations across the Chicago area rely on PSM Partners to keep their systems secure, supported, and running well.

Pablosec is a cybersecurity consulting and managed security services provider based in Dublin, Ireland. The firm helps organisations reduce cyber risk, achieve regulatory compliance including NIS2, and operate securely through consulting and managed security services. Its work covers endpoint security, identity and access management, email security, cloud security, incident response and vulnerability assessment, delivered with a vendor agnostic approach and partnerships with platforms such as Fortinet and Palo Alto Networks. Pablosec works from Innovation Quarter at Belgard Square North in Dublin 24 and serves finance, government, healthcare, retail and education clients.

Parachute Technology provides managed IT services and managed security from San Ramon in the United States, with offices across California including San Francisco, Sacramento, Irvine, Los Angeles, San Diego, and San Jose. Help runs around the clock with a dedicated team that knows each client business, rather than a call center. The firm covers managed IT, cybersecurity, cloud services, network services, backup and recovery, Microsoft 365, endpoint security, and penetration testing. Parachute is SOC 2 Type 2 certified, offers Apple certified support with Jamf 400 staff, and serves healthcare, finance, government, legal, and nonprofit clients.

Pathway Communications is based in Markham, Canada and provides managed IT services, cybersecurity, cloud services, IT consulting, network services, backup & disaster recovery. Clients in Markham use the team for ongoing protection, quick help when problems appear and clear advice on improving their security over time. The company works with healthcare, finance, government, manufacturing, retail, nonprofit and mainly serves small and medium businesses. People who want a local security partner in Markham can contact Pathway Communications to talk through their systems, their risks and the level of support they need.

Pentamix Security is a cybersecurity firm in Aurora, Colorado, in the United States, that builds protection around the goals of each client business. Its work covers cloud and infrastructure security with continuous monitoring, Zero Trust identity and access management, data loss prevention and encryption, and real-time threat detection and response. The firm also supports compliance work for CMMC, SOC 2, HIPAA and PCI DSS, and helps teams secure AI tools, cloud workloads and software pipelines. Businesses that need security designed around how they actually operate, rather than a fixed product bundle, are the audience for this Aurora practice.

Pentesec Limited provides managed cyber security services in Peterborough, England, in the United Kingdom, and is part of the Charterhouse Group. Its UK based security operations centre gives 24/7 oversight through managed detection and response, Defender as a Service and Microsoft SIEM as a Service. The team also covers vulnerability management, incident management, configuration management, security advisories and reporting, plus attack simulation and phishing awareness. Pentesec works with public sector and private sector organisations that need constant monitoring and fast response from experienced security analysts.

Perfekt is an Australian owned managed services and cybersecurity company based in Melbourne, Australia. Its Secure IT practice provides cybersecurity strategy, identity and access management, MDR and XDR security operations, a managed SOC, vulnerability management and data protection, while its Run IT team manages hybrid cloud, patching, storage and backup services around the clock. Perfekt supports government, healthcare, mining, utilities, resources, commercial and education organisations across Australia, with offices in several states and an in house engineering team holding ISO/IEC 27001:2022 certification.

PilotIQ provides managed IT and cyber security services from London in the United Kingdom for small and medium sized businesses that want their systems watched and protected every day. The team offers proactive security monitoring and threat response, managed services that keep the full IT setup updated and running, cloud security, penetration testing and cyber security consulting. PilotIQ also helps with IT strategy, business cyber assessments, secure workspaces for staff working on any device, and training that helps employees spot social engineering and other attacks.

Pinpoint Security is a cybersecurity company based in Yukon in the United States, helping organizations build stronger defenses without late night emergency calls. The company offers continuous vulnerability management, log management and continuous monitoring, cloud security and network security, alongside managed services, penetration testing and consulting. Pinpoint Security serves clients in oil and gas, energy, technology, small business, education, healthcare and banking and finance, with a practical approach led by experienced cybersecurity professionals.

Planet 9 provides managed cybersecurity services and compliance consulting in San Francisco, United States, for small and midsize businesses and larger companies. The firm offers virtual CISO services with continuous oversight, security risk management, and readiness support for SOC 2, HIPAA, PCI DSS, and ISO 27001. Its team helps clients protect sensitive data, build information security programs, manage risk, and prepare for audits, with guidance shaped around each client risk profile, compliance needs, and budget.

PlutoSec is a Toronto based cybersecurity company in Canada offering managed security alongside penetration testing and compliance work. Its security operations center monitors clients at all hours with SIEM monitoring, managed detection and response, log management and ongoing vulnerability management, while certified testers check web apps, networks, cloud platforms and Active Directory. Finance, healthcare, retail, government, energy and technology organizations use PlutoSec for cloud security, incident response and readiness for ISO 27001, SOC 2, PCI DSS and HIPAA.

PocketSIEM is a security operations provider based in Horsham in the United Kingdom, part of the th4ts3cur1ty.company family, and voted #1 MSP of 2024 for its managed security services. It delivers SOC as a service and SIEM services built on open source technology, with customised alerting, dashboards and reporting, active threat hunting, incident triage and investigation, and vulnerability management. Clients pay no SIEM licensing fees and keep their SIEM if they leave. Its UK based team supports a global client base in manufacturing, retail, critical infrastructure, government and technology, from small businesses through to established enterprises.

Point Solutions Security is a women owned cybersecurity firm in Denver, Colorado, in the United States, founded in 2017. The firm sells Cybersecurity as a Service, giving clients ongoing security leadership and protection without hiring a full time chief information security officer. Its work covers virtual CISO support, penetration testing, compliance checks, dark web scanning, secure cloud migration and security analytics. It serves organizations from startups to large enterprises, with deep experience in aerospace, SaaS, manufacturing and city and local government work.

Power4ICT is an ICT and telecom partner in Utrecht in the Netherlands that analyses, installs and manages ICT environments for starters and established small and medium sized businesses across the Netherlands and Belgium. Its Managed EDR service protects desktops, laptops, servers and mobile devices with SentinelOne, monitoring endpoint status in real time and acting at once when something happens on a device or in the network. The team also runs cloud services, modern workplaces and Microsoft 365 for its clients.

Pragya is a cybersecurity firm trading as Pragya Cyber, with a United States office in Irving, Texas, and its main office in Hyderabad, India. It runs managed security services with a security operations center that works around the clock, plus vulnerability management, patching and firewall management. The team also delivers security testing across web, mobile, API, network, cloud and operational technology environments, compliance and governance work for SOC 2, ISO 27001 and PCI DSS, virtual CISO guidance, security training and its own SecuraGPT and VERIFI products. It serves organizations across India, the United States, the United Kingdom and the Middle East.

Preactive IT Solutions is a managed IT and cybersecurity provider serving Austin, Houston and San Antonio in Texas, United States, with a focus on construction and engineering firms. The Austin office supports firms with 40 to 400 users, including mechanical, electrical and plumbing firms, general contractors and subcontractors. Services include managed IT, a 24/7 help desk, managed cybersecurity, cloud services, business continuity and onsite support. The team also supports the tools these firms rely on daily, such as Revit, Bluebeam Revu, AutoCAD and Procore, and has served Texas businesses since 2003.

Predict Cyber is a Melbourne based security provider in Australia that helps organisations improve resilience with ongoing threat visibility, continuous vulnerability scanning and software patching. Its team monitors credential leaks, vendor exposure and criminal activity linked to a brand, then helps prioritise the fixes that matter most. Predict Cyber also supports passwordless access and multi factor authentication, penetration testing and practical training for staff, giving small and medium businesses in Melbourne clear steps to prevent attacks, withstand disruption and recover with greater confidence.

Proactive Cyber Security is a cybersecurity and risk consultancy in Clifton, New Jersey, in the United States, built exclusively for small and medium sized businesses. Its monthly security management packages give Clifton firms access to security policies, threat assessments, vulnerability testing, user awareness materials and security snapshots at prices set for smaller budgets. The firm also runs penetration testing, security risk assessments, system configuration reviews, ransomware assessments, incident response planning, data leakage prevention and threat intelligence, and its myCISO service gives companies access to senior security leadership without hiring a full time executive.

Prometheus Cybersecurity is a security first managed service provider in Parker, Colorado, in the United States. The Parker team starts with an assessment of current IT and security risks, builds a clear roadmap with priorities and costs, then deploys the right tools and services for each business. After setup, Prometheus monitors systems, proactively manages and secures the business, and reports back in plain English without tech jargon. Services include security operations center support, incident response and recovery, threat intelligence, risk assessments, compliance support and training, with security at the core of every service the firm delivers.