AI Governance Engineer
GitHub

Deployer

By Updated

Under the EU AI Act, whoever uses an AI system under its own authority, other than in a purely personal, non-professional activity 1. For high-risk systems it follows the instructions for use, staffs oversight, monitors, keeps logs, informs affected people and, in listed cases, performs the FRIA. The label names a task, not a kind of organisation.

Developed in
ch. 18, The EU operator roles
ch. 18, Deployer duties (Article 26)
Chapters
ch. 15, Deployment · ch. 18, EU AI Act
Contrast with
Provider
Source
1 numbered reference, listed below

Commonly confused

  • Provider versus Deployer

    Provider
    Under the EU AI Act, whoever develops an AI system or general-purpose AI model, or has one developed, and places it on the market or puts it into service under its own name or trademark, whether for…
    Deployer
    Under the EU AI Act, whoever uses an AI system under its own authority, other than in a purely personal, non-professional activity.

    The differenceDevelops the system and places it on the market under its own name, against uses it under its own authority.

    Why it mattersDifferent duties and different evidence; a substantial modification can turn a deployer into the provider.

Where it is used

16 chapters of the Body of Knowledge use the term. Each link opens the first section that does.

Deployer: mentions per chapter228 mentions of the term across 16 of the 23 chapters of the Body of Knowledge; the chapters the glossary cross-references are drawn solid.Cross-referenced chapterOther chapter04 The Stack: 1 mention04 The Stack106 The Role: 1 mention06 The Role108 Regulatory Map: 52 mentions08 Regulatory Map5210 Reading List: 1 mention10 Reading List112 Governance Program: 9 mentions12 Governance Program913 Risk Management: 11 mentions13 Risk Management1114 Development: 12 mentions14 Development1215 Deployment: 33 mentions15 Deployment3316 Fairness & XAI: 14 mentions16 Fairness & XAI1417 Incidents: 19 mentions17 Incidents1918 EU AI Act: 41 mentions18 EU AI Act4119 Privacy & AI: 9 mentions19 Privacy & AI920 Existing Law: 4 mentions20 Existing Law421 AI Laws Worldwide: 8 mentions21 AI Laws Worldwide822 Principles & Standards: 1 mention22 Principles & Standards123 AI Agents: 12 mentions23 AI Agents12No mentions in the other 7 chaptersSource: the Body of Knowledgev0.5.0
Deployer: mentions per chapter228 mentions of the term across 16 of the 23 chapters of the Body of Knowledge; the chapters the glossary cross-references are drawn solid.Cross-referenced chapterOther chapter0001020304 The Stack: 1 mention1040506 The Role: 1 mention1060708 Regulatory Map: 52 mentions520810 Reading List: 1 mention1101112 Governance Program: 9 mentions91213 Risk Management: 11 mentions111314 Development: 12 mentions121415 Deployment: 33 mentions331516 Fairness & XAI: 14 mentions141617 Incidents: 19 mentions191718 EU AI Act: 41 mentions411819 Privacy & AI: 9 mentions91920 Existing Law: 4 mentions42021 AI Laws Worldwide: 8 mentions82122 Principles & Standards: 1 mention12223 AI Agents: 12 mentions1223Source: the Body of Knowledge v0.5.0
Mentions per chapter How often each chapter names the term, with the chapters the glossary cross-references drawn solid. The longest bar is where to read the term in use; bars spread across many chapters mark a term that runs through the discipline.
Mentions as a table
Mentions of Deployer per chapter
ChapterMentionsCross-referenced
00 Preface0No
01 Definition0No
02 Why Now0No
03 Values & Principles0No
04 The Stack1No
05 Patterns0No
06 The Role1No
07 Maturity Model0No
08 Regulatory Map52No
10 Reading List1No
11 AI Defined0No
12 Governance Program9No
13 Risk Management11No
14 Development12No
15 Deployment33Yes
16 Fairness & XAI14No
17 Incidents19No
18 EU AI Act41Yes
19 Privacy & AI9No
20 Existing Law4No
21 AI Laws Worldwide8No
22 Principles & Standards1No
23 AI Agents12No

Patterns that use this term

20 pattern pages use the term; the 10 that use it most:

Deployer: related terms and patternsThe term at the centre; related terms on solid edges, the terms it is contrasted with on dashed edges, and the patterns that use it most in the colour of their layer.RelatedContrastColour: stack layer of the pattern01 Govern-as-Code02 Inventory04 Runtime Controls05 AssuranceDeployerRelated terms (7)Authorised representative · RelatedAuthorised representativeDecision notice · RelatedDecision noticeDistributor · RelatedDistributorDownstream provider · RelatedDownstream providerImporter · RelatedImporterOperator (EU AI Act) · RelatedOperator (EU AI Act)Placing on the market · RelatedPlacing on the marketContrast with (1)Provider · ContrastProviderPatterns using it most (6)Drift & Fairness Monitor, 4 mentions · Uses the termDrift & Fairness MonitorExplanation Artefact, 3 mentions · Uses the termExplanation ArtefactFRIA-as-Code, 6 mentions · Uses the termFRIA-as-CodeIncident Pipeline, 9 mentions · Uses the termIncident PipelineStaged Rollout with Rollback Criteria, 4 mentions · Uses the termStaged RolloutVendor / Model Due-Diligence Gate, 4 mentions · Uses the termVendor / Model Due-Diligence
Deployer: related terms and patternsThe term at the centre; related terms on solid edges, the terms it is contrasted with on dashed edges, and the patterns that use it most in the colour of their layer.RelatedContrastColour: stack layer of the pattern01 Govern-as-Code02 Inventory04 Runtime Controls05 AssuranceRelated terms (7)Authorised representative · RelatedAuthorised representativeDecision notice · RelatedDecision noticeDistributor · RelatedDistributorDownstream provider · RelatedDownstream providerImporter · RelatedImporterOperator (EU AI Act) · RelatedOperator (EU AI Act)Placing on the market · RelatedPlacing on the marketContrast with (1)Provider · ContrastProviderPatterns using it most (6)Drift & Fairness Monitor, 4 mentions · Uses the termDrift & Fairness MonitorExplanation Artefact, 3 mentions · Uses the termExplanation ArtefactFRIA-as-Code, 6 mentions · Uses the termFRIA-as-CodeIncident Pipeline, 9 mentions · Uses the termIncident PipelineStaged Rollout with Rollback Criteria, 4 mentions · Uses the termStaged RolloutVendor / Model Due-Diligence Gate, 4 mentions · Uses the termVendor / Model Due-DiligenceDeployer
The term's neighbourhood Terms related to this one on solid edges, terms it is often confused with on dashed edges, and the patterns that use it most in the colour of their layer. Follow a dashed edge to check the distinction before you use either term.
Neighbourhood as a table
Neighbourhood of Deployer
FamilyItemRelation
Related termsAuthorised representativeRelated
Related termsDecision noticeRelated
Related termsDistributorRelated
Related termsDownstream providerRelated
Related termsImporterRelated
Related termsOperator (EU AI Act)Related
Related termsPlacing on the marketRelated
Contrast withProviderContrast
Patterns using it mostDrift & Fairness Monitor, 4 mentionsUses the term
Patterns using it mostExplanation Artefact, 3 mentionsUses the term
Patterns using it mostFRIA-as-Code, 6 mentionsUses the term
Patterns using it mostIncident Pipeline, 9 mentionsUses the term
Patterns using it mostStaged Rollout with Rollback Criteria, 4 mentionsUses the term
Patterns using it mostVendor / Model Due-Diligence Gate, 4 mentionsUses the term
  • Authorised representative

    Under the EU AI Act, a person established in the Union with a written mandate from a non-EU provider of a high-risk AI system or general-purpose AI model to…

  • Decision notice

    The notice a person receives at the point of an automated or AI-assisted decision, rendered from a versioned template and the decision record: that a system…

  • Distributor

    Under the EU AI Act, a person in the supply chain, other than the provider or the importer, who makes an AI system available on the Union market.

  • Downstream provider

    Under the EU AI Act, the provider of an AI system that integrates an AI model, its own or one supplied by another entity.

  • Importer

    Under the EU AI Act, a person established in the Union who places on the market an AI system bearing the name or trademark of a provider established outside…

  • Operator (EU AI Act)

    The umbrella term for the actors the AI Act binds: provider, product manufacturer, deployer, authorised representative, importer and distributor.

  • Placing on the market

    Under the EU AI Act, the first making available of an AI system or general-purpose AI model on the Union market; later supplies in the course of a commercial…

Sources

  1. [1] Regulation (EU) 2024/1689 (AI Act), consolidated text as amended by Regulation (EU) 2026/1744 (Digital Omnibus on AI, in force 27 Jul 2026; definitions in Art. 3, incl. 3(1), 3(3) to 3(14), 3(14b), 3(20), 3(22), 3(23), 3(29) to 3(32), 3(49), 3(55) to 3(57), 3(60), 3(61), 3(63), 3(68); Arts. 4, 5, 6 (incl. 6(3) third subparagraph, profiling), 9, 10, 11, 13, 14, 15, 17, 22 to 27 (incl. 26(11)), 40, 41, 43, 47, 48, 50, 53 (incl. 53(1)(c)), 55, 57, 60, 72, 73, 86; Annexes I, III, IV). Publications Office of the EU (EUR-Lex). 2026-07-27. https://eur-lex.europa.eu/eli/reg/2024/1689/2026-07-27/eng (verified: primary)

Definitions of legal terms paraphrase the cited text, which governs. Dated statements are as of .

Cite this term

García Aibar, J. (2026). Deployer. In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0), Glossary. https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/glossary/deployer. CC BY 4.0

BibTeX

@misc{aige2026deployer,
  author  = {Jorge García Aibar},
  title   = {{Deployer}},
  note    = {Glossary, AI Governance Engineering: The Thesis \& Body of Knowledge, version 0.5.0},
  year    = {2026},
  doi     = {10.5281/zenodo.22956197},
  url     = {https://aigovernanceengineer.com/glossary/deployer}
}