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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
    Portess, Valerie Margaret
    Individual (1 offspring)
    Officer
    icon of calendar 2015-05-09 ~ now
    OF - Secretary → CIF 0
  • 2
    Portess, Jonathan William
    Born in May 1990
    Individual (1 offspring)
    Officer
    icon of calendar 2015-05-09 ~ now
    OF - Director → CIF 0
    Mr Jonathan William Portess
    Born in May 1990
    Individual (1 offspring)
    Person with significant control
    icon of calendar 2017-01-20 ~ now
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
  • 3
    Portess, Nigel
    Born in September 1949
    Individual (1 offspring)
    Officer
    icon of calendar 2015-05-09 ~ now
    OF - Director → CIF 0
    Mr Nigel Portess
    Born in September 1949
    Individual (1 offspring)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
Ceased 1
  • Black, Marion
    Administrator born in November 1949
    Individual (5 offsprings)
    Officer
    icon of calendar 2015-05-09 ~ 2015-05-11
    OF - Director → CIF 0
parent relation
Company in focus

S. T. PORTESS & SON LTD

Standard Industrial Classification
41202 - Construction Of Domestic Buildings
41201 - Construction Of Commercial Buildings
43290 - Other Construction Installation
43390 - Other Building Completion And Finishing
Brief company account
Fixed Assets
64,218 GBP2021-06-30
38,169 GBP2020-06-30
Current Assets
425,579 GBP2021-06-30
201,125 GBP2020-06-30
Creditors
Amounts falling due within one year
-296,593 GBP2021-06-30
-200,151 GBP2020-06-30
Net Current Assets/Liabilities
131,709 GBP2021-06-30
3,434 GBP2020-06-30
Total Assets Less Current Liabilities
195,927 GBP2021-06-30
41,603 GBP2020-06-30
Creditors
Amounts falling due after one year
-47,500 GBP2021-06-30
0 GBP2020-06-30
Net Assets/Liabilities
145,322 GBP2021-06-30
39,223 GBP2020-06-30
Equity
145,322 GBP2021-06-30
39,223 GBP2020-06-30
Average Number of Employees
72020-07-01 ~ 2021-06-30
62019-07-01 ~ 2020-06-30

  • S. T. PORTESS & SON LTD
    Info
    Registered number 09583211
    icon of addressRavensfield West Fen Drainside, Frithville, Boston, Lincolnshire PE22 7EU
    PRIVATE LIMITED COMPANY incorporated on 2015-05-09 (10 years 6 months). The company status is Active.
    The last date of confirmation statement was made at 2025-05-26
    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.