Public Sector × Retainer Work
Best Public Sector AI Agencies for Retainer Work (September 2026)
Public Sector AI agencies with verified retainer client evidence — ranked by depth of documented work, then editorial quality.
Each listed agency documents retainer engagements on its own site or in a published case study; the model is never inferred from a service list.
Ranked agencies for retainer clients
Rankings updated · Newest review
Dublin, Ireland
Client evidence: 20 documented clients overall
Best for: Irish organizations already running Dynamics 365 or Power Platform that want Copilot and Azure AI advice from a Microsoft partner.
ontolux
#2Berlin, Germany
Client evidence: 13 documented clients overall
Best for: German public bodies, broadcasters and publishers that need tagging and search over large German-language text collections.
Dublin, Ireland
Client evidence: 6 documented clients overall
Best for: Insurers, brokers and public bodies automating document-heavy back-office work with an ISO 42001-certified delivery partner.
Bismart
#4Barcelona, Spain
Client evidence: 6 documented clients overall
Best for: Organizations whose AI plans depend on fixing the data layer first, especially in healthcare, public services and tourism.
Helsinki, Finland
Client evidence: 5 documented clients overall
Best for: Regulated Finnish and Nordic enterprises that need an AI system governed, certified and operated, not just delivered.
Adnovum
#6Zurich, Switzerland
Client evidence: 5 documented clients overall
Best for: Swiss institutions wanting a conversational AI system built into their own cloud and then operated for them.
Munich, Germany
Client evidence: 4 documented clients overall
Best for: Regulated German industrial and mid-market firms that want the model running inside their own Azure or AWS tenant.
Dublin, Ireland
Client evidence: 4 documented clients overall
Best for: Software vendors and public bodies modernizing an Azure platform, where new AI has to fit systems already carrying live volume.
Contiamo
#9Berlin, Germany
Client evidence: 4 documented clients overall
Best for: German municipal utilities, housing companies and consumer brands adding GPT-based assistants to customer service and content work.
TEKenable
#10Dublin, Ireland
Client evidence: 4 documented clients overall
Best for: Irish and UK organizations running on Microsoft platforms that want AI added to systems they already depend on.
Dublin, Ireland
Client evidence: 4 documented clients overall
Best for: Consumer-facing telecom and utility operators, and Irish public bodies, that need models tested and evidenced rather than built.
Faculty
#12London, United Kingdom
Client evidence: 3 documented clients overall
Best for: Enterprises and public bodies that need AI deployed under regulatory or safety scrutiny.
Sngular
#13Madrid, Spain
Client evidence: 3 documented clients overall
Best for: Enterprises staffing a multi-year engineering program in infrastructure, banking or back-office automation with a single partner.
wegewerk
#14Berlin, Germany
Client evidence: 3 documented clients overall
Best for: Nonprofits and associations adding AI to a digital operation that already carries accessibility and procurement obligations.
Berlin, Germany
Client evidence: 3 documented clients overall
Best for: Public bodies and institutions that need an AI system they can operate, inspect and publish afterwards.
wukonig.com
#16Graz, Austria
Client evidence: 3 documented clients overall
Best for: B2B and industrial firms that want to be named in AI answers and will fund a measured, ongoing program.
Grepton
#17Budapest, Hungary
Client evidence: 3 documented clients overall
Best for: Hungarian companies on Microsoft Dynamics 365 or Azure that want AI added inside the ERP, CRM and data systems they already run.
Amsterdam, Netherlands
Client evidence: 2 documented clients overall
Best for: Regulated institutions and retailers with a pricing, risk or monitoring problem that can be measured.
Dublin, Ireland
Client evidence: 2 documented clients overall
Best for: Teams that want the senior consultant doing the build, with the architecture and its limits written down before delivery.
Dublin, Ireland
Client evidence: 2 documented clients overall
Best for: Enterprises standardizing on ServiceNow that want customer workflows implemented and the platform's AI features actually adopted.
Codec
#21Dublin, Ireland
Client evidence: 2 documented clients overall
Best for: Irish public bodies and regulated organizations buying case management or a data platform from a long-established Microsoft partner.
About this list
Most of the public-sector work on this page is Microsoft and ServiceNow platform delivery run as a managed service, with operated AI systems beside it. The platform work is largely Irish: Storm Technology built citizen services on Dynamics 365 and Power Platform for Limerick City & County Council and case management for the Labour Court, Spanish Point Technologies built PAMS for the National Treatment Purchase Fund, live in 40 public and 18 private hospitals, and TEKenable's AI is a component, detecting patient-identifiable information in media uploaded to the training platform it built for the Royal College of Surgeons in Ireland. Version 1's Department of Social Protection work is a 2026 framework award, not yet a delivery.
The operated AI is narrower and better documented. Adnovum's Berna takes Gebäudeversicherung Bern's claim calls in parallel during storms at up to 2,700 a day, transcribing Swiss German dialect into structured claim files; Adnovum runs the managed service on Spitch's speech layer, and Berna covers storm and hail claims in German only. Pexon Consulting's speech documentation at Klinikum Landsberg am Lech, live since March 2025, pseudonymizes audio inside the hospital and had transcribed more than 1,300 consultations.
The sorting question is what the retainer pays for: operating an AI system, or maintaining the platform an AI feature may later sit on. For the first, ask what a successor contractor would receive at re-tender—call flows, the speech vendor contract, pseudonymization keys—and in whose tenant the audio sits. For the second, ask for a named AI system already in production on that platform, not the roadmap slide.
Intro by Gabor Kiss, curator · How we rank
Expert Insight
Why Public Sector experience matters
Procurement fluency—Tender rules, framework agreements, and evaluation criteria shape what can be bought and how. Specialists write compliant bids and structure engagements to fit thresholds; agencies new to public buying lose months learning the process on your calendar
AI Act depth where it bites hardest—Many public-sector uses sit in the EU AI Act's high-risk tier, with risk-management, logging, human-oversight, and registration duties. Specialists deliver the documentation as a work product, not a promise
Explainability as an acceptance criterion—Automated decisions touching citizens must be explainable to the citizen, the caseworker, and eventually an auditor. Specialists design plain-language explanation into the system; retrofitting it after a complaint is the expensive version
Accountability-grade delivery—Public projects end up in audit reports. Specialists document decisions, data sources, and model changes to the standard an oversight body applies, and they design human handoff into every citizen-facing flow rather than treating it as a failure state
Frequently asked questions
21 agencies in our directory combine verified retainer client evidence with documented Public Sector work. The current top-ranked are Storm Technology, ontolux, Version 1 — ordered by depth of documented client evidence, then our editorial scoring (portfolio quality, credibility, completeness); placement is never paid.
Published rates across this page's agencies run €45–175 per hour (median ~€108). Project totals depend on scope — the rate index at /rates breaks the computed bands down by region, country and team size.
Every agency here documents retainer work on its own site or in a published case study, describing the engagement structure rather than a service-list claim. We never infer the model from portfolio tone, so this list only contains agencies that operate retainer engagements deliberately.
2 of the agencies on this page document an embedded / team-extension working model. See the team-extension page for the full verified list, or check the engagement chips on individual profiles.