Who owns Calvert Mark Sewell?

No ownership or control links for Calvert Mark Sewell are resolved in the current sources yet — view the network graph to expand, or pull the cited JSON dossier.

What is Calvert Mark Sewell's risk level?

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

Where does Calvert Mark Sewell appear across sources?

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

LIVE · CORPUS

PersonLow

Calvert Mark Sewell

Name: Calvert Mark Sewell — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, Calvert Mark Sewell, Person, GB

Calvert Mark Sewell — UK person (psc:mkBPpEBY39SMgzB1rOH2-lX-26A). 1 holding. Every claim linked to its source.

controls 1 company

Ownership graph Export .md

JSON / MCPsample

Live UK registry

The finding

Controls or directs 1 company in the resolved graph.

Investigative lead by resolved identity, not a legal determination.

/01

Registry identity

Controls: 1 company
Risk: Low
Jurisdiction: GB

/02

Control & directorships

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.

Controlled by

None in current sources.

Directorships & controlled companies

Calvert Mark Sewell
- MARK CSIT LTD· beneficial owner87.5%· via CH PSC

Nothing further is withheld here. The ownership and control links above are everything we have resolved for Calvert Mark Sewell — there is no deeper chain behind a paywall. Absence means “not observed in our current sources” — it is not a finding of none.

Monitoring

Coverage of Calvert Mark Sewell is still thin in the current sources. Watch it and we'll flag the moment new ownership, filings or risk signals land.

Explore GB coverage

WHAT YOU CAN SEEFREE

YOURS NOW · FREE

4 items you can read right now — no account, no payment.

Identity, nationality & aliases
Sanctions, PEP & watchlist detail
Direct connections (1 hop)
Community notes

Nothing further on Calvert Mark Sewell is behind a paywall — everything we hold on this subject is already on this page.

/03

People & control

1 party · 0 current

Every officer, person with significant control and cross-company role we hold, resolved into one entry per party. Roles are registry records, not a claim of control.

●
MARK CSIT LTD
Also holds roles at 1 other company
- Calvert Mark Sewellbeneficial owner

1 party · 0 current. Ceased and resigned records are retained as history.

/04

Common questions

Who owns Calvert Mark Sewell?: No ownership or control links for Calvert Mark Sewell are resolved in the current sources yet — view the network graph to expand, or pull the cited JSON dossier.
What is Calvert Mark Sewell's risk level?: WhiteIntel flags Calvert Mark Sewell as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.
Where does Calvert Mark Sewell appear across sources?: Calvert Mark Sewell is indexed in the WhiteIntel corporate-ownership graph (GB), with a source on every claim.

Community intel

Crowd leads · unverified

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

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