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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 3
  • 1
    Zulager, Ried
    Company Secretary
    Individual (1 offspring)
    Officer
    icon of calendar 2004-06-10 ~ now
    OF - Secretary → CIF 0
  • 2
    Major, Keesha Anne
    Born in July 1976
    Individual (1 offspring)
    Officer
    icon of calendar 2025-10-01 ~ now
    OF - Director → CIF 0
  • 3
    icon of address2450, N Street Nw, Washington, Washington Dc, United States
    Corporate (2 offsprings)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
Ceased 13
  • 1
    Claassen, Bjorn
    Company Director born in April 1962
    Individual
    Officer
    icon of calendar 2001-12-13 ~ 2002-08-31
    OF - Director → CIF 0
  • 2
    Slagmuylder, Jean-michel
    Director born in February 1962
    Individual (1 offspring)
    Officer
    icon of calendar 2000-06-09 ~ 2004-06-10
    OF - Director → CIF 0
  • 3
    Christenson, Harry Oliver
    Corporate Executive born in June 1944
    Individual
    Officer
    icon of calendar 2002-08-31 ~ 2004-02-01
    OF - Director → CIF 0
  • 4
    Williams, Mikel H
    Director born in February 1957
    Individual
    Officer
    icon of calendar 2002-08-31 ~ 2004-02-01
    OF - Director → CIF 0
  • 5
    Finke, Dieter, Doctor
    Director born in January 1954
    Individual
    Officer
    icon of calendar 2000-06-09 ~ 2002-08-31
    OF - Director → CIF 0
  • 6
    Kaidy, Jana
    Individual
    Officer
    icon of calendar 2015-08-07 ~ 2022-05-31
    OF - Secretary → CIF 0
  • 7
    Taylor, Michael John
    Barrister born in June 1956
    Individual (5 offsprings)
    Officer
    icon of calendar 2000-06-09 ~ 2001-01-19
    OF - Director → CIF 0
    icon of calendar 2000-06-09 ~ 2001-11-13
    OF - Director → CIF 0
  • 8
    Smedley, Bernard Ronald
    Corporate Executive born in July 1936
    Individual
    Officer
    icon of calendar 2002-08-31 ~ 2004-02-01
    OF - Director → CIF 0
  • 9
    Schaeffer, Dave
    Chairman And Ceo born in April 1956
    Individual
    Officer
    icon of calendar 2004-06-10 ~ 2025-10-01
    OF - Director → CIF 0
  • 10
    Teissier, Vincent
    Company Director born in August 1967
    Individual
    Officer
    icon of calendar 2001-12-13 ~ 2004-06-10
    OF - Director → CIF 0
  • 11
    OVAL (1337) LIMITED - 1998-09-07
    icon of address7th Floor Hillgate House, 26 Old Bailey, London
    Active Corporate (7 parents, 1 offspring)
    Officer
    2000-06-09 ~ 2000-06-09
    PE - Director → CIF 0
    2000-06-09 ~ 2009-06-26
    PE - Secretary → CIF 0
  • 12
    OVALSHELFCO (NUMBER SIXTEEN) LIMITED - 1978-12-31
    icon of address2 Temple Back East, Temple Quay, Bristol
    Active Corporate (11 parents, 37 offsprings)
    Officer
    2009-06-26 ~ 2015-08-07
    PE - Nominee Secretary → CIF 0
  • 13
    OVAL (1305) LIMITED - 1998-09-07
    icon of address7th Floor, 26 Old Bailey, London
    Active Corporate (8 parents, 1 offspring)
    Officer
    2000-06-09 ~ 2000-06-09
    PE - Director → CIF 0
parent relation
Company in focus

COGENT COMMUNICATIONS UK LTD

Previous names
FIRSTMARK CARRIER SERVICES (UK) LIMITED - 2001-06-18
LAMBDANET COMMUNICATIONS (UK) LIMITED - 2004-07-26
Standard Industrial Classification
61900 - Other Telecommunications Activities
62090 - Other Information Technology Service Activities

  • COGENT COMMUNICATIONS UK LTD
    Info
    FIRSTMARK CARRIER SERVICES (UK) LIMITED - 2001-06-18
    LAMBDANET COMMUNICATIONS (UK) LIMITED - 2001-06-18
    Registered number 04014628
    icon of address5th Floor Halo, Counterslip, Bristol BS1 6AJ
    PRIVATE LIMITED COMPANY incorporated on 2000-06-09 (25 years 6 months). The company status is Active.
    The last date of confirmation statement was made at 2025-06-09
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.