Who owns TRANSITIONZERO?

In the current sources, TRANSITIONZERO is connected to Ms Paraskevi Bertseka, Mr Thomas David Gardner, Mr Geoffrey David Sinclair, Mr Geoffrey David Sinclair, Ms Paraskevi Bertseka and 1 more. Trace the full chain to the ultimate beneficial owner in the WhiteIntel ownership graph.

What is TRANSITIONZERO's risk level?

WhiteIntel flags TRANSITIONZERO as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does TRANSITIONZERO appear across sources?

TRANSITIONZERO is indexed in the WhiteIntel corporate-ownership graph (GB), with a source on every claim.

LIVE · CORPUS

Dossier

■

TRANSITIONZERO

Name: TRANSITIONZERO — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, TRANSITIONZERO, Company, GB

LowActive

CompanyGB

View network JSON / MCPsample

Fig. 01 — Cross-source signature

The finding

Ownership resolves 6 hops deep toward the ultimate beneficial owner.

/01

At a glance

Dimensions on file

Owners: 6
Subsidiaries: 2
Officers: 11
Beneficial owners: 3
Same address: 8
UBO hops: 6

/02

Key facts

Risk signal

Status: active
Incorporated: 2020-09-30
Legal form: private limited guarant nsc limited exemption
Activity: 85590
Registered office: 7 Bell Yard, London, WC2A 2JR, United Kingdom

Low

Risk

TRANSITIONZERO is a private limited guarant nsc limited exemption registered in GB, incorporated 2020-09-30 (active).

/03

Ownership & control

Links are shown as observed in a source registry — we do not currently hold ownership end dates, so a link here may since have ended. Each row carries its source; check it before relying on currency.

Owners / controllers

TRANSITIONZERO
- Ms Paraskevi Bertseka· beneficial owner50%· via OpenOwnership
- Mr Thomas David Gardner· beneficial owner50%· via OpenOwnership
- Mr Geoffrey David Sinclair· beneficial owner50%· via OpenOwnership
- Mr Geoffrey David Sinclair· beneficial owner· via CH PSC
- Ms Paraskevi Bertseka· beneficial owner· via CH PSC
- Mr Thomas David Gardner· beneficial owner· via CH PSC

Holdings / subsidiaries

TRANSITIONZERO
- TRANSITIONZERO SERVICES LTD· beneficial owner100%· via OpenOwnership

Walk the full UBO chain

6 hops lockedStandard

6-step ownership / control trace to the ultimate beneficial owner — cited at every hop. Unlock the full chain.

Unlock in the full dossier

/04

Also at this address

Shared registered office

Other companies registered at the same address — a common structuring / formation-agent signal, not proof of a link.

8 companiesStandard

8 other companies at this registered office — unlock the itemised list.

Unlock in the full dossier

/05

Activity timeline

31 Dec 2026Companies House
Accounts due
27 Oct 2026Companies House
Confirmation statement due
31 Mar 2025Companies House
Latest accounts made up
30 Sept 2020Companies House
Registered

/06

Company profile

live · Companies House

Company no.: 12914740
Status: active
Type: private limited guarant nsc limited exemption
Incorporated: 2020-09-30
Registered office: 7 Bell Yard, London, WC2A 2JR, United Kingdom
SIC: 85590

Officers · 6 active

CHUNG, Ho Yan Yulanda
director · British · appt 2021-10-27
ELVESTAD, Endre Olsvik
director · Norwegian · appt 2026-07-16
GANDHI, Udit
director · American · appt 2025-11-25
GRAY, Matthew Christopher
director · New Zealander · appt 2025-08-19
HOWARTH, Fiona Louise
director · British · appt 2025-11-25
SINCLAIR, Geoffrey David
director · British · appt 2020-09-30
BRISTOW, Nicola Lorna(resigned)
secretary · appt 2021-10-13
BERTSEKA, Paraskevi(resigned)
director · British,Greek · appt 2020-09-30
FERNANDO, Arjuna Gihan(resigned)
director · British · appt 2025-02-24
GARDNER, Thomas David(resigned)
director · American · appt 2020-09-30
OMI, Mayumi(resigned)
director · British · appt 2021-05-25

Beneficial owners · PSC · 0 current

●
Ms Paraskevi Bertseka
individual PSC · England · ceased 2021-10-27
25–50% votes
●
Mr Thomas David Gardner
individual PSC · England · ceased 2021-10-27
25–50% votes
●
Mr Geoffrey David Sinclair
individual PSC · England · ceased 2021-10-27
25–50% votes

Persons with significant control, live from Companies House. Ceased entries are retained as ownership history.

FILING & COMPLIANCE

Accounts type: full
Last accounts: 2025-03-31
Accounts due: 2026-12-31
Confirmation stmt due: 2026-10-27

FORMERLY KNOWN AS

TRANSITIONZERO LTD
ENERGY AND CLEAN AIR ANALYTICS
ENERGY AND CLEAN AIR ANALYTICS LTD

Community intel

Crowd leads · unverified

Tips, corrections and leads contributed by the community on TRANSITIONZERO. These are unverified leads, not WhiteIntel findings — we surface them for investigators to chase, and analyse the corroborated ones into SnakeScore.

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The complete file, cited.

Everything we hold on TRANSITIONZERO, resolved and sourced — yours to keep, no subscription.

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same-address
Live adverse-media scan on unlock
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PROVENANCE

WHAT YOU CAN SEEFREE

Identity, address & registry profile
Sanctions & watchlist detail
Direct connections (1 hop)
Community notes
Full ownership trace to the UBOStandard
Financial history / periodic reportsStandard
Cross-source resolution & same-addressStandard
Property holdings (UK)Premium
Linked vessels & aircraftPremium
Adverse-media & person enrichmentPremium
Full export (PDF + un-redacted JSON) & change alertsPremium

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