SB
SANDSTONE BIDCO LIMITED
ActiveCompany number 16482992
London, United Kingdom · Incorporated 29 May 2025
C/O Alter Domus (Uk) Limited 10th Floor, 30 St Mary Axe, London, EC3A 8BF, United Kingdom
Last updated on 2 September 2026
Activities of other holding companies n.e.c. · SIC 64209
Status
Active
Company age
1 year
Company type
Private limited
Accounts
Up to date
Total raised
£550,236,003
Shares allotted
354,839,350
Latest round
25 March 2026
Company overview
Summary
Sandstone Bidco Limited is an active private limited company incorporated on 29 May 2025 under the jurisdiction of England and Wales. The company is registered at C/O Alter Domus (UK) Limited, 10th Floor, 30 St Mary Axe, London, EC3A 8BF. Its principal activity is classified under SIC code 64209.
As of the latest filings, the company remains in good standing with no charges registered and no history of insolvency. Its next accounts are due by 31 December 2026 (made up to 31 March 2026), and the next confirmation statement is due by 11 June 2027.
The board consists of two directors: Catherine Isabelle Harber (Australian, appointed 29 May 2025) and William David George Price (British, appointed 20 December 2025). Alter Domus (UK) Limited acts as corporate secretary. Significant control rests with Sandstone Midco Limited, which holds 75–100% of the shares and voting rights and the right to appoint and remove directors, together with Macquarie Infrastructure And Real Assets (Europe) Limited, which exercises significant influence or control.
Recent filings include an updated confirmation statement on 28 May 2026 and a capital filing (SH08) on 15 July 2026 relating to the naming of a class of shares.
Compliance
Annual accounts
Up to date
Last filed
—
Next due
31 December 2026
4 months left
Confirmation statement
Up to date
Last filed
28 May 2026
Next due
11 June 2027
9 months left
Financial snapshot
Last accounts type
Period end
—
Detailed figures (assets, liabilities, net worth) are available in the full credit report.
Capital table
Updated on 2 September 2026- SANDSTONE MIDCO LIMITED (88.5%)
- IDF III USD NO.2 S.À.R.L (1.6%)
- WESTBOURNE INFRASTRUCTURE DEBT 2 L.P. ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED (1.4%)
- WESTBOURNE INFRASTRUCTURE DEBT 5 LP ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED (1.4%)
- IDF III JPY NO.2 S.À.R.L (1.1%)
- IDF III EUR NO.2 S.À.R.L (0.9%)
- WESTBOURNE INFRASTRUCTURE DEBT OPPORTUNITIES FUND II, L.P. ACTING THROUGH ITS GENERAL PARTNER, RIMOR FUND II GP LIMITED (0.7%)
- IDF III USD HEDGED NO.2 S.À.R.L (0.7%)
- WESTBOURNE INFRASTRUCTURE DEBT 3 LP ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED (0.6%)
- IDF IV USD HEDGED NO. 1 S.À R.L. (0.6%)
- WESTBOURNE INFRASTRUCTURE DEBT L.P. ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED (0.5%)
- INFRASTRUCTURE DEBT FUND III (ELP) L.P. (0.4%)
- AWARE SUPER PTY LTD AS TRUSTEE OF AWARE SUPER (0.4%)
- WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF FFH NO. 3 TRUST (0.4%)
- IDF IV USD NO. 1 S.À R.L. (0.2%)
- IDF IV EUR NO. 1 S.À R.L. (0.2%)
- INFRASTRUCTURE DEBT FUND IV (ELP) L.P. (0.2%)
- WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF Q INFRASTRUCTURE YIELD TRUST (0.1%)
- IDF IV JPY NO. 1 S.À R.L. (0.1%)
- WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF WESTBOURNE YIELD FUND NO. 4 (0.1%)
- WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF WESTBOURNE YIELD FUND NO. 6 (0.0%)
Total shares
100,100,000
Nominal value
£30.000
AI confidence
(95%)
Data quality
High
Share classes
| Class | Allocated shares | Currency | Nominal value | Voting | Dividend | Transfer | Anti-dilution |
|---|---|---|---|---|---|---|---|
| A Ordinary | 88,629,334 | GBP | £10.000 | ||||
| B Ordinary | 11,370,666 | GBP | £10.000 | ||||
| Preference | 100,000 | GBP | £10.000 | ||||
| Total | 100,100,000 | ||||||
Shareholders
| Shareholder | Share class | Shares | Shareholding | Votes | Voting |
|---|---|---|---|---|---|
| SANDSTONE MIDCO LIMITED | A Ordinary | 88,629,334 | 88.54% | 88,629,334 | 100.00% |
| AWARE SUPER PTY LTD AS TRUSTEE OF AWARE SUPER | B Ordinary | 367,014 | 0.37% | — | — |
| IDF III EUR NO.2 S.À.R.L | B Ordinary | 891,364 | 0.89% | — | — |
| IDF III JPY NO.2 S.À.R.L | B Ordinary | 1,109,090 | 1.11% | — | — |
| IDF III USD HEDGED NO.2 S.À.R.L | B Ordinary | 646,356 | 0.65% | — | — |
| IDF III USD NO.2 S.À.R.L | B Ordinary | 1,590,989 | 1.59% | — | — |
| IDF IV EUR NO. 1 S.À R.L. | B Ordinary | 189,339 | 0.19% | — | — |
| IDF IV JPY NO. 1 S.À R.L. | B Ordinary | 115,780 | 0.12% | — | — |
| IDF IV USD HEDGED NO. 1 S.À R.L. | B Ordinary | 569,149 | 0.57% | — | — |
| IDF IV USD NO. 1 S.À R.L. | B Ordinary | 236,786 | 0.24% | — | — |
| INFRASTRUCTURE DEBT FUND III (ELP) L.P. | B Ordinary | 401,992 | 0.40% | — | — |
| INFRASTRUCTURE DEBT FUND IV (ELP) L.P. | B Ordinary | 169,134 | 0.17% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF FFH NO. 3 TRUST | B Ordinary | 367,014 | 0.37% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF Q INFRASTRUCTURE YIELD TRUST | B Ordinary | 148,803 | 0.15% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF WESTBOURNE YIELD FUND NO. 4 | B Ordinary | 109,105 | 0.11% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF WESTBOURNE YIELD FUND NO. 6 | B Ordinary | 29,773 | 0.03% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT 2 L.P. ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | B Ordinary | 1,347,316 | 1.35% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT 3 LP ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | B Ordinary | 594,428 | 0.59% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT 5 LP ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | B Ordinary | 1,347,316 | 1.35% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT L.P. ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | B Ordinary | 466,261 | 0.47% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT OPPORTUNITIES FUND II, L.P. ACTING THROUGH ITS GENERAL PARTNER, RIMOR FUND II GP LIMITED | B Ordinary | 673,657 | 0.67% | — | — |
| AWARE SUPER PTY LTD AS TRUSTEE OF AWARE SUPER | Preference | 3,228 | 0.00% | — | — |
| IDF III EUR NO.2 S.À.R.L | Preference | 7,839 | 0.01% | — | — |
| IDF III JPY NO.2 S.À.R.L | Preference | 9,754 | 0.01% | — | — |
| IDF III USD HEDGED NO.2 S.À.R.L | Preference | 5,685 | 0.01% | — | — |
| IDF III USD NO.2 S.À.R.L | Preference | 13,992 | 0.01% | — | — |
| IDF IV EUR NO. 1 S.À R.L. | Preference | 1,665 | 0.00% | — | — |
| IDF IV JPY NO. 1 S.À R.L. | Preference | 1,018 | 0.00% | — | — |
| IDF IV USD HEDGED NO. 1 S.À R.L. | Preference | 5,006 | 0.01% | — | — |
| IDF IV USD NO. 1 S.À R.L. | Preference | 2,082 | 0.00% | — | — |
| INFRASTRUCTURE DEBT FUND III (ELP) L.P. | Preference | 3,535 | 0.00% | — | — |
| INFRASTRUCTURE DEBT FUND IV (ELP) L.P. | Preference | 1,488 | 0.00% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF FFH NO. 3 TRUST | Preference | 3,228 | 0.00% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF Q INFRASTRUCTURE YIELD TRUST | Preference | 1,309 | 0.00% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF WESTBOURNE YIELD FUND NO. 4 | Preference | 960 | 0.00% | — | — |
| WESTBOURNE CREDIT MANAGEMENT LIMITED AS TRUSTEE OF WESTBOURNE YIELD FUND NO. 6 | Preference | 262 | 0.00% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT 2 L.P. ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | Preference | 11,849 | 0.01% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT 3 LP ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | Preference | 5,227 | 0.01% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT 5 LP ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | Preference | 11,849 | 0.01% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT L.P. ACTING THROUGH ITS GENERAL PARTNER, WESTBOURNE INFRASTRUCTURE DEBT GP LIMITED | Preference | 4,100 | 0.00% | — | — |
| WESTBOURNE INFRASTRUCTURE DEBT OPPORTUNITIES FUND II, L.P. ACTING THROUGH ITS GENERAL PARTNER, RIMOR FUND II GP LIMITED | Preference | 5,924 | 0.01% | — | — |
| Total | 100,100,000 | 100% | 88,629,334 | 100% |
Officers
No officers on record.
Persons with significant control
PS
Macquarie Infrastructure And Real Assets (Europe) Limited
Significant Influence Or Control
29 May 2025
PS
Sandstone Midco Limited
Ownership Of Shares 75 To 100 Percent
Voting Rights 75 To 100 Percent
Right To Appoint And Remove Directors
29 May 2025
Funding
23 funding rounds25 March 2026
Ordinary · 1 shares allotted
£1
25 March 2026
Ordinary · 1 shares allotted
£1
13 November 2025
PREFERENCE · 5,006 shares allotted
£5,006,000
13 November 2025
PREFERENCE, A ORDINARY · 88,725,346 shares allotted
£1,018,000
13 November 2025
PREFERENCE · 1,665 shares allotted
£1,665,000
13 November 2025
PREFERENCE · 1,488 shares allotted
£1,488,000
13 November 2025
PREFERENCE · 2,082 shares allotted
£2,082,000
13 November 2025
PREFERENCE · 3,535 shares allotted
£3,535,000
13 November 2025
PREFERENCE, ORDINARY · 88,720,225 shares allotted
£5,685,000
13 November 2025
PREFERENCE · 9,754 shares allotted
£9,754,000
13 November 2025
PREFERENCE · 13,992 shares allotted
£13,992,000
13 November 2025
PREFERENCE · 7,839 shares allotted
£7,839,000
13 November 2025
PREFERENCE · 5,924 shares allotted
£5,924,000
13 November 2025
PREFERENCE, A · 88,683,195 shares allotted
£11,849,000
13 November 2025
PREFERENCE · 5,227 shares allotted
£5,227,000
13 November 2025
PREFERENCE · 11,849 shares allotted
£11,849,000
13 November 2025
PREFERENCE · 4,100 shares allotted
£4,100,000
13 November 2025
PREFERENCE · 3,228 shares allotted
£3,228,000
13 November 2025
PREFERENCE · 3,228 shares allotted
£3,228,000
13 November 2025
PREFERENCE · 262 shares allotted
£262,000
13 November 2025
PREFERENCE · 960 shares allotted
£960,000
13 November 2025
PREFERENCE · 1,309 shares allotted
£1,309,000
13 November 2025
A ORDINARY · 88,629,134 shares allotted
£450,236,001
Total (23 rounds, 354,839,350 shares)
£550,236,003
Filing history
Capital Name Of Class Of Shares
Capital
15 July 2026
View
Confirmation Statement With Updates
Confirmation Statement
28 May 2026
View
Appoint Person Director Company With Name Date
Officers
2 March 2026
View
Termination Director Company With Name Termination Date
Officers
2 March 2026
View
Change To A Person With Significant Control
Persons With Significant Control
22 December 2025
View
Termination Director Company With Name Termination Date
Officers
22 December 2025
View
Appoint Person Director Company With Name Date
Officers
22 December 2025
View
Change Registered Office Address Company With Date Old Address New Address
Address
22 December 2025
View
Capital Allotment Shares
Capital
26 November 2025
View
Capital Allotment Shares
Capital
25 November 2025
View
Capital Allotment Shares
Capital
19 November 2025
View
Capital Allotment Shares
Capital
19 November 2025
View
Capital Allotment Shares
Capital
19 November 2025
View
Capital Allotment Shares
Capital
19 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Allotment Shares
Capital
18 November 2025
View
Capital Alter Shares Subdivision
Capital
17 November 2025
View
Capital Variation Of Rights Attached To Shares
Capital
17 November 2025
View
Memorandum Articles
Incorporation
17 November 2025
View
Capital Allotment Shares
Capital
17 November 2025
View
Capital Allotment Shares
Capital
17 November 2025
View
Capital Allotment Shares
Capital
17 November 2025
View
Capital Allotment Shares
Capital
17 November 2025
View
Capital Allotment Shares
Capital
17 November 2025
View
Capital Allotment Shares
Capital
17 November 2025
View
Resolution
Resolution
17 November 2025
View
Resolution
Resolution
17 November 2025
View
Capital Allotment Shares
Capital
14 November 2025
View
Appoint Corporate Secretary Company With Name Date
Officers
13 November 2025
View
Change Person Director Company With Change Date
Officers
14 August 2025
View
Change Account Reference Date Company Current Shortened
Accounts
30 July 2025
View
Incorporation Company
Incorporation
29 May 2025
View
No filings match this type.
Risk at a glance
- Company active
- Accounts up to date
- Confirmation statement up to date
- No insolvency history
- No registered charges
- Credit score
- Recommended limit
- Payment risk
Get the complete credit report
- Detailed financial statements
- Credit score & payment risk
- CCJs, charges & insolvency checks
- Recommended credit limit
Secure checkout · Report delivered instantly