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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

Lobbying returns

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

Register of Lobbying2026-09-14

Lobbying return by Ballina Chamber of Commerce

Economic Development and Industry
Intended results

To identify and clarify on particular economic development projects for Ballina and its environs.

Derived link · Matched by name with added legal form

Published name "Ballina Chamber of Commerce" has no legal form. "BALLINA CHAMBER OF COMMERCE COMPANY LIMITED BY GUARANTEE" (CRO 277149) is the only CRO company with that name plus any legal form (Limited, DAC, UC, CLG, PLC or Teoranta). Confirm against the CRO record before relying on it.

Register of Lobbying2026-09-11

Lobbying return by EDF Renewables Ireland Limited

Energy and Natural Resources
Intended results

To appraise key stakeholders of the perspective of EDF power solutions Ireland on budgetary and policy matters relating to renewable energy in Ireland

Derived link · Matched by exact company name

Published name "EDF Renewables Ireland Limited" equals CRO name "EDF RENEWABLES IRELAND LIMITED" (CRO 659883) 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 Lobbying2026-09-08

Lobbying return by Independent Broadcasters of Ireland

Communications
Intended results

Increased awareness and understanding, and action, relief or intervention at policy or legislative level in relation to rapid, large-scale increase in the radio levy, without warning; the need for action in legislation or in the context of the Budget, including accessible and…

Derived link · Matched by name with added legal form

Published name "Independent Broadcasters of Ireland" has no legal form. "INDEPENDENT BROADCASTERS OF IRELAND COMPANY LIMITED BY GUARANTEE" (CRO 166985) is the only CRO company with that name plus any legal form (Limited, DAC, UC, CLG, PLC or Teoranta). Confirm against the CRO record before relying on it.

Register of Lobbying2026-08-31

Lobbying return by National Greenway Action Association

Transport
Intended results

To secure a public-land-first approach; genuine voluntary agreement for private land; no CPO for recreational Greenways; avoidance of farm severance; whole-farm, safety and economic assessment; early meaningful landowner engagement; and appropriate DAFM involvement where…

Register of Lobbying2026-05-22

Lobbying return by Trócaire

Foreign Affairs
Intended results

Ireland to commit to a fair and funded phase out of fossil fuels and to support a fossil fuel non-proliferation treaty::Irish government increases ODA and publishes roadmap to reach 0.7% GNI in ODA by 2030::Justice, poverty relief and respect for human rights in occupied…

Derived link · Matched by exact company name

Published name "Trócaire" equals CRO name "TROCAIRE" (CRO 661147) 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 Lobbying2026-05-21

Lobbying return by Vulcan Consulting Limited

Health
Intended results

To progress Programme for Government commitments linked to orphan medicines access and rare disease policy.

Derived link · Matched by exact company name

Published name "Vulcan Consulting Limited" equals CRO name "VULCAN CONSULTING LIMITED" (CRO 578963) 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 Lobbying2026-05-21

Lobbying return by Ibec

Environment
Intended results

Possible amendment for consideration at Seanad Committee Stage

Derived link · Matched by name with added legal form

Published name "Ibec" has no legal form. "IBEC COMPANY LIMITED BY GUARANTEE" (CRO 8706) is the only CRO company with that name plus any legal form (Limited, DAC, UC, CLG, PLC or Teoranta). Confirm against the CRO record before relying on it.

Register of Lobbying2026-05-21

Lobbying return by RWE Renewables Ireland (formerly Innogy Renewables Ireland Limited)

Energy and Natural Resources
Intended results

To ensure relevant local elected representatives are informed throughout the development phase of the project.

Register of Lobbying2026-05-21

Lobbying return by Hanover Media Strategy Limited

Transport
Intended results

To discuss the taxi supply shortage in rural Ireland and potential solutions.

Derived link · Matched by exact company name

Published name "Hanover Media Strategy Limited" equals CRO name "HANOVER MEDIA STRATEGY LIMITED" (CRO 596029) 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 Lobbying2026-05-21

Lobbying return by American Chamber of Commerce Ireland

Economic Development and Industry
Intended results

Communicate AmCham views with regard to Dublin Airport Bill and the passenger cap

Derived link · Matched by exact company name

Published name "American Chamber of Commerce Ireland" equals CRO name "AMERICAN CHAMBER OF COMMERCE IRELAND" (CRO 18926) 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.