Semantic Processing for Information Access

What Semantic Processing for Information Access does

SEMPRIA GmbH (Semantic Processing for Information Access) is a privately held German software company founded in 2009 in Düsseldorf by Prof. Dr. Hermann Helbig, Dr. Sven Hartrumpf, and members of the IICS research group at FernUniversität in Hagen. The company builds SEMPRIA-Search, a deep semantic (meaning-oriented) search engine that uses the proprietary MultiNet knowledge representation paradigm to understand queries and documents at the linguistic-conceptual level rather than at the character-string level. Core technology includes a semantic parser (SEMPRIA-NetParser), a computational lexicon with ~81,000 entries (SEMPRIA-NetLex), and a background knowledge base with ~725,000 rules and ~626,000 proper names, implemented in ~380,000 lines of Scheme/LISP. Capabilities span automatic disambiguation, synonym/paraphrase/hierarchy matching, question answering, OCR and ASR indexing, semantic duplicate detection, Graph RAG (RAGsem) coupled with locally hosted LLMs, and access-rights enforcement across SharePoint and Active Directory.

The product is delivered in two forms: a SaaS subscription hosted on German data centers, starting at approximately 30 EUR/month and scaling by document volume, and an on-premises server deployment on Linux VMs for enterprises requiring in-house data residency. SEMPRIA also sells Semantic Annotators, a RAGsem module, an intelligent supplier-comparison service (Lieferantenvergleich) for procurement, WILOT (a Wikipedia search consumer product), and ancillary Linux consulting services. Go-to-market is direct and inside sales-led by the CEO, with a free 4-week self-serve test system as the primary acquisition funnel and active promotion of German government funding programs (Digitalbonus Bayern, MID Digital NRW, KI-Gutschein) to subsidize customer acquisition.

The customer base spans German-speaking enterprise and mid-market buyers across media/publishing, consulting, public transportation, education, computer vision, and government. Reference logos include KCW GmbH (Berlin), S&P Unternehmensberatung (Cologne), Humboldt-Universität zu Berlin, Universität Frankfurt, IDS Imaging, Unifield Technologies (London), and an anonymized Großkonzern. The company has won multiple Innovation Prize IT awards (2012 Top Ten, 2013 2nd place, 2018 Best of in Knowledge Management) and was recognized as one of Germany's ten most significant AI technologies by the #KI50 project in 2019. The firm has remained small (1-10 employees) and self-funded aside from an undisclosed BMWK government grant, operating as a founder-led specialist vendor rather than a venture-backed growth business.

Name

Semantic Processing for Information Access

Legal name

SEMPRIA GmbH

Website

https://sempria.de

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

1–10 employees

Short description

SEMPRIA GmbH, founded in 2009 in Düsseldorf, builds SEMPRIA-Search, a deep semantic search engine based on the proprietary MultiNet paradigm, serving German-speaking enterprise, mid-market, public-sector, and media customers via SaaS and on-premises deployments with GDPR-compliant, locally hosted RAG.

Ownership category

akta.pro rank

Product category

Enterprise Search Software

NAICS

Web Search Portals and All Other Information Services (519290), Web Search Portals, Libraries, Archives, and Other Information Services (519)

SIC

Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Search Engines (BPAMAAAB)

akta.pro secondary industries

Enterprise Search, Indexing & Content Discovery (HDAEAGAH), Vertical/Specialty Search (e.g., jobs, real estate, travel, products) (BPAMAAAD)

Keywords

• Semantic search engine
• Cognitive enterprise search
• Natural language processing
• Retrieval augmented generation
• Knowledge representation software

Headquarters

HQ city

Düsseldorf

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. SEMPRIA-Search SaaS Subscription: Monthly subscription-based SaaS pricing for the semantic search engine. Fees start at approximately 30 EUR per month depending on document volume. The SaaS solution runs on German data center servers, is GDPR-compliant, and includes automatic upgrades.
2. On-Premises/Server License: On-premises server deployment option for enterprise customers who require data to remain within their own infrastructure. Operates as a Linux VM on existing hardware. Includes server solution pricing distinct from SaaS.
3. Professional Services: Individual customization and adaptation of SEMPRIA-Search to customer technical environments (ontology integration, document format imports, geographical knowledge, DMS/CMS integration). Also includes training and seminar services on language-understanding search engines, and personal customer service for implementation and ongoing support.
4. Linux Consulting Services: Linux consulting for businesses (Linux-Beratung) at 110-130 EUR/hour (excl. VAT) and for individuals (Linux-Doktor) at 78 EUR/hour (incl. VAT). Services include installation, configuration, hardware selection, network setup, security, data migration, office software, mail servers, web servers, and backup solutions. Initial consultation of up to 10 minutes is free.
5. Intelligent Supplier Comparison Service: AI-based catalog and price list comparison service for procurement optimization across wholesalers. Uses semantic text matching and language understanding to identify identical articles across different supplier catalogs. Delivered as intelligent comparison reports via download area. Pricing is custom per engagement.
6. Semantic Annotator Modules: Semantic annotator modules available as inexpensive add-ons for SEMPRIA-Search. Can be used as SaaS or stand-alone server solution. Includes automatic keywording, headwords, facets, similarity detection, contradiction finding, and terminology review.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels12 records

Core offering

SEMPRIA-Search is a deep semantic (meaning-oriented, cognitive) search engine built on the MultiNet paradigm that understands both search queries and indexed documents at the semantic level rather than matching character strings. The platform is delivered as a SaaS subscription or on-premises Linux VM server deployment with modules for question answering, semantic annotation, RAG (RAGsem), and supplier catalog comparison, supporting German, English, and Mandarin (in preparation).

Product overview

SEMPRIA GmbH offers a unified portfolio centered on SEMPRIA-Search, a deep semantic (meaning-oriented, cognitive) search engine. The portfolio includes SEMPRIA-Search as the core platform — available as SaaS or on-premises server — and a module ecosystem comprising semantic annotators for keywords, facets, and related articles; question-answering capabilities; a RAG (Retrieval-Augmented Generation) solution called RAGsem coupling semantic search with LLMs; and a specialized supplier comparison tool (Lieferantenvergleich) using AI and text understanding for catalog matching. A second named product, WILOT, provides cognitive search specifically for the German Wikipedia. The company also provides Linux consulting services as a secondary offering.

Differentiator

Problem solved

Functional benefit

Brands

• SEMPRIA-Search: Deep semantic search engine that understands the meaning of search queries and documents, featuring cognitive language understanding for German and English.
• WILOT
• RAGsem

Products and services

• SEMPRIA-Search A deep semantic, meaning-oriented (cognitive) search engine that understands the meaning of search queries and indexed documents rather than matching character strings. Delivered as SaaS on German data center servers or as on-premises Linux VM deployment, with German and English language support, OCR/ASR indexing, question answering, faceted search, autocomplete, RAG integration, and access rights enforcement via LDAP/Active Directory.
• WILOT A cognitive semantic search engine for the German Wikipedia that enables meaning-oriented search and direct question answering against Wikipedia content.
• Semantic Annotators Modules available as add-ons for SEMPRIA-Search that automatically generate keywords, headwords, facets, similar articles, info boxes, link boxes, topic pages, and readability assessments using deep language understanding. Also detects repetitions, plagiarism, and contradictions and supports terminology review, catalog comparison, and tender matching.
• RAGsem (Retrieval-Augmented Generation with Semantic Search) A combined RAG solution coupling SEMPRIA-Search as the retrieval component with a GPT specialized in German and English running on local hardware (cloud-free, on-premises or in a German data center). Addresses GPT hallucinations, GDPR compliance, result verification, and ignored access rights, and uses Graph RAG via semantic networks.
• Supplier Comparison (Lieferantenvergleich) An intelligent supplier comparison service using AI and automatic text understanding to match identical articles across different wholesalers' catalogs, detect manufacturer name variants, and generate procurement comparison reports for purchasing savings.
• Linux Consulting Services Linux consulting and support services for businesses and private customers covering installation, configuration, network administration, security, data migration, mail/web servers, and backup solutions. Includes Linux-Beratung at 110-130 EUR/hour (ex-VAT) for businesses and Linux-Doktor at 78 EUR/hour (incl. VAT) for private customers, with up to 10 minutes of free initial consultation.

Quantifiable outcome

• 8x increase in search queries and user adoption growing from 10% to ~50% of employees within an enterprise consulting firm
• +2 more outcomes

Named customers11 records

Segments6 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration11 records

AI capability12 records

Feature12 records

Partnerships

Three partnerships are on record, tiered core and minor.

• FernUniversität in Hagen (IICS Working Group)coreStrategic or Co-development PartnerThe IICS (Intelligent Information and Communication Systems) working group at FernUniversität in Hagen, led by Prof. Dr. Hermann Helbig, is the origin of SEMPRIA's technology. The company was founded in 2009 by Prof. Helbig, Dr. Hartrumpf, and employees of this research group. Over 20 years of academic research in knowledge processing, computational linguistics, and computational logics underpin SEMPRIA-Search. The research group continues to provide ongoing academic backing for the company's technology.
• NUK (Neues Unternehmertum Rheinland e.V.)minorStrategic or Co-development PartnerNUK is a Rhineland startup association. Dr. Sven Hartrumpf was interviewed by NUK as a NUK Alumnus and co-founder of SEMPRIA in 2015, providing media coverage and founder network access.
• KOINNO (Bundesministerium für Wirtschaft und Energie)minorStrategic or Co-development PartnerKOINNO is the innovation platform of the German Federal Ministry for Economic Affairs and Energy. SEMPRIA received the KOINNO Certificate 'Innovatives Unternehmen Professional' recognizing it as an innovative company. KOINNO also provides networking and visibility for innovative German SMEs.

Scale indicators14 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Algolia: Search-as-a-service platform for digital experiences and e-commerce product discovery. Directly comparable for SEMPRIA's CMS site-search and e-commerce product-search use cases (Shopware, Magento, WordPress integrations).
• Lucidworks: Enterprise search and discovery platform built on Apache Solr/OpenSearch with AI/LLM augmentation. Comparable as a cognitive enterprise search vendor with focus on large-scale document search and RAG use cases.
• Mindbreeze: Austrian vendor of AI-based enterprise search and insight engines (Mindbreeze InSpire). Closest comparable by geography, customer profile, and product focus on cognitive enterprise search across SharePoint, file systems, and ECM repositories.
• Sinequa: European (Paris-based) enterprise search platform combining NLP, ML, and generative AI for cognitive enterprise search. Directly comparable in target use cases (enterprise content, RAG-ready retrieval) and mid-to-large enterprise customer base.
• Coveo: AI relevance platform offering semantic and LLM-powered search, recommendations, and merchandising for enterprise and commerce. Comparable as a SaaS semantic search competitor targeting similar enterprise and digital experience use cases.

Broad incumbents

• Elastic: General-purpose search and observability platform with hybrid lexical/vector retrieval (ELSER) and AI assistant features. Wider portfolio than SEMPRIA but competes head-to-head in semantic enterprise search and LLM-augmented retrieval.
• IBM Watson Discovery: IBM's enterprise AI search offering with NLP enrichment, document understanding, and RAG capabilities. Comparable in serving large regulated enterprises needing explainable retrieval, though part of IBM's much broader portfolio.
• Microsoft SharePoint Premium / Microsoft Search: Embedded enterprise search within the Microsoft 365 ecosystem, including SharePoint Premium's semantic indexing and Copilot integration. A broad incumbent many SEMPRIA customers already have licensed by default, posing a substitute threat.

Emerging players

• Kairntech: French NLP vendor providing customizable enterprise semantic/NLP pipelines (extraction, classification, search). Comparable as a smaller European semantic-AI peer targeting regulated and document-heavy enterprise use cases.
• Constructor.io: AI-first product discovery and search platform for e-commerce, including catalog personalization and semantic matching. Comparable as an emerging challenger in the semantic product search niche where SEMPRIA competes for Shopware/Magento customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/sempriade
• Facebookfacebook.com/SEMPRIA
• LinkedInlinkedin.com/company/sempria
• Instagraminstagram.com/sempriade

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Semantic Processing for Information Access