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Linkdex

1 known investors

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Linkdex provides an SEO platform for enterprise brands and their agencies to manage search engine optimization activity and content marketing. The platform serves in-house teams and large advertising and SEO agencies globally.

Founders & leadership

JSJohn Straw
John StrawFounder NED2009–2016John Straw has spent more than 30 years founding and scaling technology companies at the intersection of data, search, and AI, including ventures acquired by Microsoft. He has held senior roles including Chief Digital Officer at Thomas Cook and advisor to McKinsey, and now invests in and advises early-stage companies applying advanced technologies to business problems.
MRMatt Roberts
Matt RobertsCo-founder and VP Product / Marketing2009–2014Matt Roberts is a two-time SaaS founder with a venture-backed exit who has spent eight years building operating systems and scaling operations across companies ranging from dozens to thousands of employees globally. He now works with leadership teams at Linkdex to design organizational infrastructure including goal-setting frameworks, operating rhythms, and decision-making systems.

Investors · 1

500 Globallisted by 500 GlobalPalo Alto · $150K

How we know: open dataset · 500 Global portfolio 2026-08 · Not right? Tell us

Companies House · registry record

View on Companies House ↗
Has charges registeredInsolvency historyAccounts overdueConfirmation statement overdue
Registered name
LINKDEX LIMITED
Company number
06569025
Status
Liquidation
Company type
Private limited company
Incorporated
17 Apr 2008
Registered office
90 Chancery Lane, London, WC2A 1EU
Nature of business (SIC)
62012 — Business and domestic software development74909 — Other professional, scientific and technical activities n.e.c.
Previous names
H.L.Q. LIMITED (2008–2008)
Accounts
last made up to 31 Dec 2017 · next due 30 Sept 2019
Confirmation statement
last made up to 17 Apr 2019 · next due 1 May 2020

Current officers · 1

  • Efrem Michael Ainsley — director, appointed 1 Aug 2017

Source: Companies House public register · retrieved 20 Sept 2026. Contains public sector information licensed under the Open Government Licence v3.0.

Frequently asked questions

What does Linkdex do?
Linkdex provides an SEO platform for enterprise brands and their agencies to manage search engine optimization activity and content marketing. The platform serves in-house teams and large advertising and SEO agencies globally.
Who founded Linkdex?
Linkdex was founded by John Straw, Matt Roberts.
Who are Linkdex's investors?
Linkdex's investors include 500 Global.