Skip to content
Declared
Official portrait of Mark Duffy
Photo: Houses of the Oireachtas

Politician · Senator · 27th Seanad

Mark Duffy

Fine Gael

Constituency / panel
Labour Panel
Membership
2025-01-29 → current
Committees
4 current — Joint Committee on Climate, Environment and Energy; Joint Committee on Transport; …
10
Declared items
2
CRO-matched interests
0
Awards to declared companies
173
Lobbying returns
Reports for 2017–2025 (party) and 2020–2022 (members)
0
SIPO donation records
185 of 221 divisions
84%
Vote participation

Check it yourself

Lobbying returns

Returns filed on the Register of Lobbying, newest first, with the policy area and intended results as the lobbyist published them.

Download CSV 3 rows, with the filters applied
  • Development and Zoning
Clear

Filters

Clear all
AreaAll 173Energy and Natural Resources 29Health 29Transport 19Environment 15Budgetary matters 8Economic Development and Industry 7Children and Youth Affairs 6Finance 6Justice and Equality 6Agriculture 5Taxation 5Community 4Foreign Affairs 4Housing 4Sports and Recreation 4Trade 4Development and Zoning 3Social Protection 3Arts 2Communications 2Public Expenditure and Reform 2Tourism 2Banking and Financial Institutions 1Employment 1EU Affairs 1Food 1
Register of Lobbying2026-09-22

Lobbying return by Yewtree Infotainment Unlimited Company

Development and Zoning
Intended results

To maintain political and stakeholder awareness of the project's progress in South Mayo, identify any additional local risks or considerations, and keep councillors, the Senator and the Minister of State informed ahead of further project developments.

Derived link · Matched by exact company name

Published name "Yewtree Infotainment Unlimited Company" equals CRO name "YEWTREE INFOTAINMENT UNLIMITED COMPANY" (CRO 643702) after normalising legal forms such as Ltd = Limited. No other CRO company has this name. Names can be shared, so compare the address and dates on the CRO record.

Register of Lobbying2026-09-21

Lobbying return by Regnum Renewables Development Ltd

Development and Zoning
Intended results

To maintain political and stakeholder awareness of the project's progress in South Mayo, identify any additional local risks or considerations, and keep councillors, the Senator and the Minister of State informed ahead of further project developments.

Register of Lobbying2026-01-20

Lobbying return by DP Energy Ireland Limited

Development and Zoning
Intended results

To address key barriers and not falling short to meet Ireland 2030 renewable energy goals.

Derived link · Matched by exact company name

Published name "DP Energy Ireland Limited" equals CRO name "D P ENERGY IRELAND LIMITED" (CRO 345411) after normalising legal forms such as Ltd = Limited. No other CRO company has this name. Names can be shared, so compare the address and dates on the CRO record.