Owner · Company

Sandstone Midco Limited

Sandstone Midco Limited is a company in the United Kingdom. It is a subsidiary of Macquarie Asset Management UK Holdings No.1 Limited. It has 15 subsidiaries in the data, linked to 4 assets and rights.

Group

Parent companies

From Sandstone Midco Limited up to its ultimate parent in the data.

  1. Sandstone Midco Limited
  2. Macquarie Asset Management UK Holdings No.1 Limited

Also a subsidiary of Macquarie Infrastructure and Real Assets (Europe) Limited and Sandstone Water Holdings Limited.

Subsidiaries

15 companies under Sandstone Midco Limited, direct and through other subsidiaries.

SubsidiaryHeld throughShareAssets and rights
Sandstone Bidco LimitedDirect——
Greensands Junior Finance LimitedSandstone Bidco Limited——
Greensands Senior Finance LimitedGreensands Junior Finance Limited——
Greensands Investments LimitedGreensands Senior Finance Limited——
Greensands Finance Holdings LimitedGreensands Investments Limited——
Greensands Finance LimitedGreensands Finance Holdings Limited——
Southern Water Capital LimitedGreensands Finance Limited——
Southern Water Investments LimitedSouthern Water Capital Limited——
Southern Water (NR) Holdings LimitedSouthern Water Investments Limited——
Southern Water Services Group LimitedSouthern Water Investments Limited——
Southern Water (NR) LimitedSouthern Water (NR) Holdings Limited——
SWS Group Holdings LimitedSouthern Water Services Group Limited——
Southern WaterSouthern Water (NR) Limited—1
SWS Holdings LimitedSWS Group Holdings Limited——
Southern Water Services LimitedSWS Holdings Limited—3

Subsidiaries' portfolio

4 assets and rights across the subsidiaries, each counted once. This total is apart from the portfolio above.

  • Power plants3
  • Grid connection1

Facts

FactValueSource
Name in the sourceSANDSTONE MIDCO LIMITEDCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
LocationEnglandCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Company number16482495Companies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Register statusActiveCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Company typePrivate Limited CompanyCompanies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Incorporated29 May 2025Companies House bulk company data · record · OGL v3 · checked 24 Oct 2026
Industry (SIC)64209 - Activities of other holding companies n.e.c.Companies House bulk company data · record · OGL v3 · checked 24 Oct 2026

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