CISO Tribune

Vendor comparison · 2 companies

PwC vs Quorum Cyber

PwC sells PwC One, which brings together PwC expertise, client data and AI into a single connected experience. Quorum Cyber delivers Microsoft-first, threat-led cyber security services. CISO Tribune files both under Security consulting and advisory. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • PwC
  • Quorum Cyber
PwC vs Quorum Cyber: Products, Customers and Funding Compared
PwCPwC sells PwC One, which brings together PwC expertise, client data and AI into a single connected experience.pwc.comQuorum CyberQuorum Cyber delivers Microsoft-first, threat-led cyber security services.quorumcyber.com
What it sells
  • PwC One[4]PwC One brings together PwC expertise, client data and AI into a single connected experience.
  • Clarity Defend[1][3][6]Managed detection and response service providing 24/7 monitoring, detection and response to attacks.
  • Clarity Extend[1][3]Enhanced security coverage extending monitoring to Microsoft Cloud and third-party technologies across an organization's IT ecosystem.
  • Clarity Protect[1][3]Service that detects and stops threats, reduces cyber risk, and strengthens security across Microsoft and AI environments, including a CTEM offering.
  • Clarity Data & AI[1][3]Service that helps organizations understand, protect and govern data, reducing exposure to insider threats and AI-related risks.
  • Clarity OT[3]Managed detection and response service for operational technology environments.
  • Incident Response Services[3]Services including incident response preparedness, retainer agreements, and emergency MDR for breach investigation and containment.
Categories
Headquarters
Not stated on its pagesEdinburgh, United Kingdom[1]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • November 3, 2026PwC US announced a three-year, $400 million collaboration investment with Google Cloud, expanding its existing alliance with Google Cloud Security.[6]
  • October 19, 2026PwC reported aggregate gross revenues of US$60.2 billion for the 12 months ending 30 June 2026, up 5.7% in US dollars.[5]
  • March 23, 2026PwC appoints Neil Parekh and Mads Nipper as external directors to its Global Governance Board.[7]
  • September 16, 2026Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.[12]
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[3]
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, PwC sells mainly to clients who want to bring PwC expertise, their own data and AI together. PwC directs material at CEOs on handling uncertainty. PwC also addresses acquirers on delivering on a deal thesis. PwC also speaks to companies facing energy constraints on growth. PwC describes its work with clients through case studies.Not written yet
Last verified
October 12, 2026October 7, 2026

Where they overlap

  • PwC and Quorum Cyber are both filed under Security consulting and advisory.

Where they differ, field by field

  • PwC's primary category is Security consulting and advisory; Quorum Cyber's is MDR and managed SOC.
  • PwC is also filed under Managed security service providers. Quorum Cyber is also filed under Incident response and forensics and OT and ICS security.
  • PwC lists PwC One. Quorum Cyber lists Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
  • Quorum Cyber is headquartered in Edinburgh, United Kingdom.

What it sells: PwC

What PwC One does[4]
PwC One brings together PwC expertise, your data, and AI into a single connected experience. PwC says it lets clients move from question to insight to action, faster.

Questions about PwC and Quorum Cyber

What do PwC and Quorum Cyber sell?
PwC sells PwC One. Quorum Cyber sells Clarity Defend, Clarity Extend, Clarity Protect, Clarity Data & AI, Clarity OT and 1 more.
Are PwC and Quorum Cyber in the same category?
They share Security consulting and advisory. PwC's primary category is Security consulting and advisory and Quorum Cyber's is MDR and managed SOC.
Where are PwC and Quorum Cyber headquartered?
Quorum Cyber is headquartered in Edinburgh, United Kingdom.
Who are PwC and Quorum Cyber sold to?
From its own pages, PwC sells mainly to clients who want to bring PwC expertise, their own data and AI together.
What have PwC and Quorum Cyber announced recently?
November 3, 2026: PwC US announced a three-year, $400 million collaboration investment with Google Cloud, expanding its existing alliance with Google Cloud Security. September 16, 2026: Quorum Cyber announced that it has signed a definitive agreement to acquire Ontinue, a managed extended detection and response provider.

About PwC

PwC sells PwC One, which brings together PwC expertise, client data and AI into a single connected experience.[4]

PwC says PwC One is meant to help clients move from question to insight to action, faster.[4]

PwC publishes case studies that bring its work with clients, and the results it achieves, into focus.[4]

PwC publishes content for acquirers. PwC says only one in three acquirers delivers on its deal thesis.[4]

PwC publishes content on energy. PwC says energy constraints on growth force companies to rethink how they source, manage, and invest in power.[4]

PwC hosts the Intelligence Shift podcast, which explores the balancing act between safety and social protections and correctly pacing innovation.[1][2][4]

PwC on the record

Sources

PwC full record

  1. [1]Cyber managed servicesPwC · pwc.com · undated page, accessed October 12, 2026 · Tier A
  2. [2]pwc.comPwC · pwc.com · undated page, accessed October 12, 2026 · Tier A
  3. [3]PwC Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed November 1, 2026 · Tier C
  4. [4]PwC: Audit and assurance, consulting and tax servicesPwC · undated page, accessed November 3, 2026 · Tier A
  5. [5]PwC announces FY26 global financial performancePwC · published October 19, 2026 · Tier A
  6. [6]PwC US Expands Existing Alliance with Google Cloud Through $400 million Collaboration to Advance AI-Powered Security OperationsPwC · published November 3, 2026 · Tier A
  7. [7]PwC appoints Neil Parekh and Mads Nipper as external directors to its Global Governance BoardPwC · published March 23, 2026 · Tier A

Quorum Cyber full record

  1. [1]quorumcyber.comQuorum Cyber · quorumcyber.com · undated page, accessed October 7, 2026 · Tier A
  2. [2]Difenda will rebrand as quorum cyberQuorum Cyber · quorumcyber.com · undated page, accessed October 7, 2026 · Tier A
  3. [3]Microsoft Cyber Security Services Provider | Quorum CyberQuorum Cyber · undated page, accessed October 31, 2026 · Tier A
  4. [4]About Quorum | Cyber Security CompanyQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  5. [5]Why I’m Passionate about Protecting British Organisations from Cybercrime - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  6. [6]Managed Security Services | Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  7. [7]Cyber Resilience Assessment | Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  8. [8]Quorum Cyber Managed XDR integrates with Microsoft Security Technology - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  9. [9]Quorum Cyber is leveraging Copilot for Security at scale - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  10. [10]Customers Informed of Microsoft Data Breach - Quorum CyberQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  11. [11]Quorum Cyber appoints Chief Information Security OfficerQuorum Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Quorum Cyber Announces Intent to Acquire Ontinue, Building an Unrivaled Microsoft-First Agentic SOC for the Autonomous Threat EraPRNewswire · published September 16, 2026 · Tier A

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