Sinn Féin
Sinn Féin is an Irish republican political party founded in 1905 and headquartered in Dublin. It fields elected representatives across the Dáil, Northern Ireland Assembly, Westminster, the European Parliament, Seanad, and local councils, and is funded through member donations and merchandise sales.
- Company typePrivate
- Founded1905
- HeadquartersDublin, Ireland
- Headcount5,001–10,000
- GTM typeB2C
- OfferingServices
What Sinn Féin does
Sinn Féin is an Irish republican political party founded in 1905, headquartered at 44 Parnell Square, Dublin 1, and self-described as the largest party on the island of Ireland. It fields elected representatives across every major legislative body on the island — the Dáil and Seanad in the Republic of Ireland, the Northern Ireland Assembly, the UK Parliament at Westminster, the European Parliament, and hundreds of local councils — serving voters and citizens across both jurisdictions. The party's substantive policy work spans housing, healthcare, childcare, workers' rights, mental health, immigration, and the long-running campaign for a united Ireland.
Its core digital platform is a bilingual (English/Gaeilge) website at sinnfein.ie, supported by a CMS, the NationBuilder member-management SaaS, the proprietary Abú electoral register database for the Republic of Ireland, a parallel Northern Ireland electoral database, and Cloudflare for security infrastructure. Around this core, the party operates an ecosystem of dedicated sub-sites for each major policy area, the Alternative Budget 2026 publication, the Ógra Shinn Féin youth wing, the affiliated An Phoblacht newspaper, the Sinn Féin Bookshop merchandise channel, and the Commission on the Future of Ireland public-consultation initiative.
Sinn Féin's revenue model is that of a regulated political organization rather than a commercial enterprise: it is funded through member donations, membership fees, and merchandise sales, with donations above €1,500 in the Republic governed by the Standards in Public Office Act and donations above £11,180 in the UK governed by the Political Parties, Elections and Referendums Act 2000. The party is led by Mary Lou McDonald TD as Leader and Declan Kearney MLA as Party Chairperson, and is currently operating with active legislative representation across all chambers.
Sinn Féin firmographics
Firmographics- Name
- Sinn Féin
- Legal name
- Sinn Féin
- Website
- https://sinnfein.ie
- Company type
- Private
- Founded year
- 1905
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Sinn Féin is an Irish republican political party founded in 1905 and headquartered in Dublin. It fields elected representatives across the Dáil, Northern Ireland Assembly, Westminster, the European Parliament, Seanad, and local councils, and is funded through member donations and merchandise sales.
- Ownership category
- akta.pro rank
Sinn Féin industry classification
Industry- Product category
- Political Party
- NAICS
- Political Organizations (81394)
- akta.pro primary industry
- Civil Liberties & Constitutional Rights Advocacy (BPAGAFAA)
Keywords
Where Sinn Féin is headquartered
LocationHeadquarters
- HQ city
- Dublin
- HQ country
- Ireland
- HQ region
- Europe
Offices1 record
Markets served
Sinn Féin business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Others
Distribution channels6 records
Marketing channels7 records
Sinn Féin product offering
Product offeringCore offering
Sinn Féin is an Irish republican political party that provides political representation and policy advocacy through elected representatives in the Dáil, Northern Ireland Assembly, Westminster, European Parliament, Seanad, and local councils. It sells no commercial product; its core offerings are constituency representation, policy publications (e.g., Alternative Budget 2026), the bilingual sinnfein.ie information portal with dedicated policy sub-sites, the Commission on the Future of Ireland initiative, the affiliated An Phoblacht newspaper, and merchandise through the Sinn Féin Bookshop.
Product overview
Sinn Féin operates primarily as an informational web platform rather than a commercial technology product. The core offering is the sinnfein.ie website, a bilingual (English/Gaeilge) political information portal providing access to party representatives, policies, news, and membership functionality. The platform includes multiple dedicated sub-sites and portals covering specific policy areas including housing, healthcare, childcare, mental health, and immigration. The party also maintains youth engagement through Ógra Shinn Féin, an Irish Unity commission, and links to affiliated publications like An Phoblacht. Fundraising and membership tools are available through the main site and dedicated donation pages supporting both Euro and GBP currencies.
Differentiator
Problem solved
Functional benefit
Brands
- Ógra Shinn Féin: Youth organization of Sinn Féin
- An Phoblacht
- Sinn Féin Budget
- The Commission on the Future of Ireland
Products and services
- sinnfein.ie website
Companies that use Sinn Féin
Customer profileSegments3 records
Ideal customer profiles3 records
Sinn Féin technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Sinn Féin partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and flagship.
- Ógra Shinn FéincoreYouth wing organization of Sinn Féin, operating as a separate but affiliated organization that engages younger members in political activism, education, and party activities. Listed separately on the website under party and policy sections.
- The Commission on the Future of IrelandflagshipA Sinn Féin-led initiative inviting all sections of Irish society to participate in discussions and submissions on the future of a united Ireland. The commission engages citizens in planning for Irish Unity through research, articles, policies, and public consultation.
- Progressive AlliancecoreInternational network of social democratic and progressive political parties. Sinn Féin participates through activities such as nominating candidates for Lord Mayor and Deputy Mayor positions in Dublin City Council through the Progressive Alliance.
Scale indicators2 records
Recent moves6 records
Expansion highlights5 records
Sinn Féin competitors and assessment
Company assessmentRegional players
- Scottish National Party (SNP): Scottish independence party. Sinn Féin's most relevant international peer on the constitutional-nationalist axis — both pursue territorial reunification through referendum and frame themselves as progressive alternatives to established centre-right parties.
- Plaid Cymru: Welsh nationalist party pursuing Welsh independence. Comparable to Sinn Féin in constitutional ambition (sub-state nationalism), left-of-centre policy positioning, and bilingual cultural framing, though operating at smaller scale.
Direct peers
- Irish Labour Party: Social democratic party operating in the same Dáil, Seanad and local council arena as Sinn Féin. Both parties compete for working-class, trade-union-aligned voters on housing, healthcare and workers' rights — areas of clear policy overlap with Sinn Féin.
- Fine Gael: Ireland's centre-right party historically in coalition with Fianna Fáil. Directly competes with Sinn Féin in Dáil, European Parliament and local council elections, contesting the same urban and suburban seats.
- Alliance Party of Northern Ireland: Cross-community NI party with growing Assembly representation. Competes with Sinn Féin directly for moderate and middle-ground voters in NI Assembly and local council elections.
- SDLP (Social Democratic and Labour Party): Northern Ireland moderate nationalist party and the most direct ideological peer to Sinn Féin within NI. Both parties compete for the nationalist vote in Assembly and Westminster elections, historically splitting the constitutional-nationalist bloc.
- Democratic Unionist Party (DUP): Largest unionist party in Northern Ireland. Sinn Féin's principal opposing bloc in the NI Assembly, sharing the power-sharing executive and competing for Assembly, Westminster and local council seats.
- Fianna Fáil: Ireland's largest centre-republican party and Sinn Féin's principal rival on the island. Operates in the same Dáil/local council ecosystem, fields similar candidate types, and competes head-to-head for the same working-class and rural voter segments Sinn Féin targets.
Emerging players
- Social Democrats (Ireland): Progressive Irish party holding a small Dáil footprint. Overlaps with Sinn Féin on housing, healthcare and cost-of-living policy but is materially smaller and does not contest NI, the UK or the Unity question.
- People Before Profit: Irish socialist party with TDs in the Dáil. Shares a left-leaning policy space with Sinn Féin on housing and workers' rights but at a smaller scale and with a more explicitly socialist platform.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Sinn Féin social profiles
Digital presenceSinn Féin financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sinn Féin leadership team
Management profileNumber of profiles
Profiles2 records
Sinn Féin funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sinn Féin M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sinn Féin
What does Sinn Féin do?
Sinn Féin is an Irish republican political party that provides political representation and policy advocacy through elected representatives in the Dáil, Northern Ireland Assembly, Westminster, European Parliament, Seanad, and local councils. It sells no commercial product; its core offerings are constituency representation, policy publications (e.g., Alternative Budget 2026), the bilingual sinnfein.ie information portal with dedicated policy sub-sites, the Commission on the Future of Ireland initiative, the affiliated An Phoblacht newspaper, and merchandise through the Sinn Féin Bookshop.
Is Sinn Féin a public or private company?
Sinn Féin is a private company. It is classified as unknown and is currently operating.
When was Sinn Féin founded?
Sinn Féin was founded in 1905. It employs 5,001 to 10,000 people.
Where is Sinn Féin based?
Sinn Féin is headquartered in Dublin, Ireland, in the Europe region.
Who are Sinn Féin's main competitors?
Regional players on record are Scottish National Party (SNP) and Plaid Cymru. Direct peers are Irish Labour Party, Fine Gael, Alliance Party of Northern Ireland, SDLP (Social Democratic and Labour Party), Democratic Unionist Party (DUP) and Fianna Fáil. Emerging players are Social Democrats (Ireland) and People Before Profit.
Does Sinn Féin have an API?
No public API is recorded for Sinn Féin.
What industry is Sinn Féin in?
Sinn Féin's product category is Political Party. Its primary akta.pro industry code is BPAGAFAA, Civil Liberties & Constitutional Rights Advocacy. Its NAICS code is 81394.