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Roisin Ann Mccallion

Roisin Ann Mccallion was previously a director of Ossl Limited (until 2020) and 1 other organisation. Source: Companies House records.

Director at Oxford University Student Union · Director at Ossl Limited

0 current roles
2 previous roles
Served alongside 26 people

Roisin's network: 26 people across 2 organisations

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Official record Companies House · updated 4th October 2026 · Free, no card or password

Roles

2 roles across 2 organisations

Oxford University Student Union
Director · 2019-2020
Official record · Companies House

Source
Companies House
Organisation
Oxford University Student Union
Role
Director
Appointed
2019-06-30
Ended
2020-06-27
Record reference
Company 07314850

Previous
Ossl Limited
Director · 2019-2020
Official record · Companies House

Source
Companies House
Organisation
Ossl Limited
Role
Director
Appointed
2019-06-30
Ended
2020-06-28
Record reference
Company 07322922

Previous

People Roisin has served alongside

26 people across 2 organisations

Based on overlapping official board records. Calculated from official records

26 people across 2 organisations

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Connections

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Sources

Companies House: Officer appointments and resignations.
Edition: Register edition compiled 4th October 2026
Identity: Records are treated as the same person only where the evidence confirms it. How people are matched

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