# Mainframe I Gp LLP

## Details

- **Company number:** [OC459165](https://find-and-update.company-information.service.gov.uk/company/OC459165)
- **Status:** active
- **Type:** llp
- **Incorporated:** 16 Dec 2025
- **Registered office:** C/O NOTION CAPITAL MANAGERS LLP, 91 WIMPOLE STREET, LONDON, W1G 0EF
- **Corporate group:** [Mainframe Vc Ltd](/group/23871) (2 companies)


## Previous names

- Alphagraph I Gp LLP (until 3 Sep 2026)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ALPHAGRAPH SERVICES LTD | corporate-llp-designated-member | 16 Dec 2025 |  |
| ALPHAGRAPH VC LTD | corporate-llp-designated-member | 16 Dec 2025 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Alphagraph Vc Ltd | voting-rights-75-to-100-percent-limited-liability-partnership, right-to-share-surplus-assets-75-to-100-percent-limited-liability-partnership, right-to-appoint-and-remove-members-limited-liability-partnership | 16 Dec 2025 |  |




## Owned by

Mainframe I Gp LLP → [Mainframe Vc Ltd](/company/16906761)




## Directors' other companies

- [ALPHAGRAPH VC LTD](/person/7914983) - corporate-llp-designated-member at [Mainframe I Cp LLP](/company/OC459148)



## Companies at the same address

- [Alphagraph Mgmt Ltd](/company/15829460) (15829460)
- [Alphagraph Services Ltd](/company/16914209) (16914209)
- [Included Vc Limited](/company/13256621) (13256621)
- [Mainframe I Cp LLP](/company/OC459148) (OC459148)
- [Mainframe Vc Ltd](/company/16906761) (16906761)
- [Notion Capital Advisors LLP](/company/OC345114) (OC345114)
- [Notion Capital Co-Investment Partner LLP](/company/OC371867) (OC371867)
- [Notion Capital Iii Co-Investment LLP](/company/OC399966) (OC399966)
- [Notion Capital Iii Gp LLP](/company/OC399964) (OC399964)
- [Notion Capital Iv Co-Investment LLP](/company/OC426803) (OC426803)