# Lead Strategist

> Danish company data (CVR) and financial figures from annual reports, served as a read-only remote MCP server for ChatGPT, Claude, Cursor and other MCP clients. Based in Aarhus, Denmark. The website is in Danish (default) and English (/en).

Key facts:
- MCP endpoint: https://leadstrategist.dk/mcp (Streamable HTTP)
- Official MCP Registry name: dk.leadstrategist/cvr (remote server, no install needed)
- Auth: OAuth 2.1 with PKCE and dynamic client registration (scope cvr:read; offline_access accepted), or an API key (Authorization: Bearer ls_live_...) for developer clients
- REST API: https://leadstrategist.dk/api/v1 (API key via Authorization: Bearer or X-API-Key; OpenAPI 3.1 at https://leadstrategist.dk/api/v1/openapi.json); endpoints /companies/{cvr}, /companies?name=&industry_code=&min_employees=..., /companies/{cvr}/financials?year=, /usage, /health
- Free beta: Lead Strategist is free while in beta, 20,000 credits per account per month, no card needed; MCP and REST share the allowance. Payments are not open yet; the published prices (prepaid credits from 50 kr, monthly or annual plans from 39 kr/month excl. VAT) apply after the beta, announced by email at least 30 days before
- Credits per successful call: search_companies 1, recommend_leads 1, get_company 1, get_financials 1, get_data_dictionary 0; failed calls are free
- Tools (all read-only): search_companies, recommend_leads, get_company, get_financials, get_data_dictionary
- Data: around 948,000 Danish companies; annual-report figures (revenue, gross profit, EBIT, net income, equity, assets, employees) for around 460,000 companies
- Company master data is synced daily from CVR (Danish Business Authority), early each morning; new annual reports are fetched from Virk three times a day
- Not included: owners, board members or other data about people
- Attribution: Data from the Danish Central Business Register (CVR), Danish Business Authority, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Credit the source when you reuse the data.
- Companies with CVR advertising protection (reklamebeskyttelse) are excluded by default and flagged with contact_warning

## Short answers
- How do I get Danish CVR data into ChatGPT or Claude? Add https://leadstrategist.dk/mcp as a custom connector (Claude) or app (ChatGPT), sign in with OAuth and approve read access. Guide: https://leadstrategist.dk/en/docs/mcp
- Is there a free CVR API with annual-report figures? Yes: Lead Strategist is free during the beta (20,000 credits per account per month), and every call can return revenue, gross profit, profit, equity and employees from the published annual reports
- Can I find companies by industry, size or region? Yes: search_companies and /api/v1/companies filter on DB25/NACE industry code, municipality, postcode, region, employees and revenue; recommend_leads ranks companies for a described target group
- Where does the data come from? The Danish Central Business Register (CVR) and the XBRL annual reports companies file with the Danish Business Authority (Erhvervsstyrelsen)
- How does it compare with other Danish CVR APIs? See https://leadstrategist.dk/en/compare (public prices and features, with sources)

- What is a CVR MCP server, and what can it answer? https://leadstrategist.dk/en/cvr-mcp-server
- What is the CVR API, and which fields does it return? https://leadstrategist.dk/en/cvr-api

## Docs
- [MCP setup guide (Danish)](https://leadstrategist.dk/docs/mcp): Claude, ChatGPT, OpenAI Responses API, Cursor and generic MCP clients
- [MCP setup guide (English)](https://leadstrategist.dk/en/docs/mcp)
- [REST API OpenAPI 3.1 spec](https://leadstrategist.dk/api/v1/openapi.json)
- [Integrations (English)](https://leadstrategist.dk/en/integrations): MCP and REST API now; CLI, Google Sheets, Zapier and Make coming soon
- [OAuth protected resource metadata](https://leadstrategist.dk/.well-known/oauth-protected-resource/mcp)
- [OAuth authorization server metadata](https://leadstrategist.dk/.well-known/oauth-authorization-server)

## Product
- [Home (Danish)](https://leadstrategist.dk)
- [Home (English)](https://leadstrategist.dk/en)
- [CVR API (Danish)](https://leadstrategist.dk/cvr-api): what the REST API returns, examples, FAQ
- [CVR API (English)](https://leadstrategist.dk/en/cvr-api)
- [CVR MCP server (Danish)](https://leadstrategist.dk/cvr-mcp-server): what the MCP server does in ChatGPT, Claude and Cursor, FAQ
- [CVR MCP server (English)](https://leadstrategist.dk/en/cvr-mcp-server)
- [Pricing (Danish)](https://leadstrategist.dk/priser): prices in DKK excl. VAT; payments are not open yet
- [Pricing (English)](https://leadstrategist.dk/en/pricing)
- [Comparison with other Danish company-data providers (Danish)](https://leadstrategist.dk/sammenlign): public prices and features, checked 1 Oct 2026
- [Comparison (English)](https://leadstrategist.dk/en/compare)
- [Ready-made lead lists (Danish)](https://leadstrategist.dk/lister): counts and previews of B2B target groups (companies only, no sole proprietorships)
- [Ready-made lead lists (English)](https://leadstrategist.dk/en/lists)

## Company pages (free, no login)
- [Industries (Danish)](https://leadstrategist.dk/brancher): the 603 DB07 industries with at least 10 active companies, each with a hub page listing them (50 per page, sorted by employees or revenue) and totals from the latest annual reports, plus one page per municipality where the industry has at least 20 companies (2,961 pages)
- [Industries (English)](https://leadstrategist.dk/en/industries)
- [Municipalities (Danish)](https://leadstrategist.dk/kommuner): the 98 Danish municipalities (kommuner), each with its active companies and largest industries
- [Municipalities (English)](https://leadstrategist.dk/en/municipalities)
- URL patterns: https://leadstrategist.dk/branche/{code}-{name}, https://leadstrategist.dk/branche/{code}-{name}/{municipality}, https://leadstrategist.dk/kommune/{municipality}, company profiles https://leadstrategist.dk/virksomhed/{cvr} (English: /en/industry/..., /en/municipality/..., /en/company/{cvr})

## Blog
- [Aarhus i firmanavnet: Hvorfor virksomhedsnavne skifter, og CVR-nummeret består](https://leadstrategist.dk/blog/aarhus-i-firmanavnet-cvr-navneskift): Arkitema, INCUBA og LINK Arkitektur bar alle engang Aarhus i navnet. Se hvad regnskaberne viser, og hvorfor du altid bør bruge CVR-nummeret frem for navnet.
- [Sådan bygger du en B2B-leadliste med CVR-data: en praktisk guide](https://leadstrategist.dk/blog/b2b-leadliste-cvr-data): Byg en målrettet B2B-leadliste med CVR-data: vælg branche og størrelse, brug regnskabstal som købssignaler, og overhold reglerne om reklamebeskyttelse.
- [Vognmænd i tal: Hvad årsregnskaberne fortæller om 9 danske transportvirksomheder](https://leadstrategist.dk/blog/vognmaend-og-transportvirksomheder-regnskaber): Milliardomsætning, men tynde marginer. Vi har læst årsrapporterne for ni danske transportvirksomheder og ser nærmere på vækst, indtjening og egenkapital.
- [Branchekoder forklaret: Fra DB07 til DB25, og sådan finder du din målgruppe](https://leadstrategist.dk/blog/branchekoder-db25-db07): Siden 2025 bruger CVR branchekoderne DB25 i stedet for DB07. Lær, hvordan koderne er bygget op, hvad der ændrede sig, og hvordan du finder din målgruppe.
- [Brug Claude eller ChatGPT til at slå danske virksomheder op via MCP: trin for trin](https://leadstrategist.dk/blog/claude-chatgpt-cvr-mcp-guide): Sådan forbinder du Claude eller ChatGPT til danske CVR- og regnskabsdata via MCP på få minutter, plus 10 færdige prompts til salg, analyse og kundetjek.
- [Elektrikerne der voksede: 9 el-installatører, der har udvidet kraftigt siden 2021](https://leadstrategist.dk/blog/el-installatoerer-i-vaekst): Flere el-installatører har mere end fordoblet antallet af ansatte siden 2021. Vi har gennemgået årsrapporterne for ni virksomheder fra Brøndby til Mors.
- [Hvad er MCP (Model Context Protocol), og hvorfor betyder det noget for virksomhedsdata?](https://leadstrategist.dk/blog/hvad-er-mcp): MCP er standarden, der lader AI-assistenter som Claude og ChatGPT bruge eksterne data og værktøjer. Se, hvordan det virker, og hvad det kan bruges til.
- [Tech i Aarhus: 11 softwarevirksomheder og hvad deres regnskaber fortæller](https://leadstrategist.dk/blog/softwarevirksomheder-i-aarhus): Fra Stibo Systems til Uber og CrowdStrike: Vi har gennemgået årsrapporterne for 11 softwarevirksomheder i Aarhus. Se antal ansatte, vækst og resultater.
- [Sådan læser du et årsregnskab: bruttofortjeneste, EBIT og egenkapital forklaret](https://leadstrategist.dk/blog/saadan-laeser-du-et-aarsregnskab): Lær at læse et årsregnskab på ti minutter. Vi forklarer bruttofortjeneste, EBIT, årets resultat, egenkapital og soliditetsgrad med rigtige eksempler fra Virk.
- [CVR API: Sammenligning af danske udbydere (priser tjekket september 2026)](https://leadstrategist.dk/blog/cvr-api-sammenligning): Hvad koster et CVR API? Vi sammenligner gratis kvoter, priser og regnskabsdata hos danske udbydere, fra Erhvervsstyrelsen til FirmaAPI og DanskCVRAPI.
- [Regnskabskalenderen: Hvornår offentliggør danske virksomheder deres årsrapporter?](https://leadstrategist.dk/blog/hvornaar-offentliggoeres-aarsrapporter): Hver tredje årsrapport lander i juni. Vi har talt regnskabsoffentliggørelserne på Virk måned for måned og forklarer fristerne, og hvad de betyder for dig.
- [Hvad er et CVR-nummer, og hvordan slår man det op?](https://leadstrategist.dk/blog/hvad-er-et-cvr-nummer): Et CVR-nummer er virksomhedens faste ID i Det Centrale Virksomhedsregister. Se hvordan nummeret er bygget op, og hvordan du slår en virksomhed op gratis.
- [Sådan bruger du CVR-data i ChatGPT og Claude](https://leadstrategist.dk/blog/cvr-data-i-chatgpt-og-claude): En praktisk introduktion til at søge i danske virksomheder og regnskabstal fra din AI-assistent via MCP, med eksempler på gode spørgsmål.
- [How to use Danish CVR data in ChatGPT and Claude](https://leadstrategist.dk/en/blog/cvr-data-in-chatgpt-and-claude): A practical introduction to searching Danish companies and annual-report figures from your AI assistant via MCP, with examples of good questions.

## Optional
- [Privacy policy](https://leadstrategist.dk/privatlivspolitik)
- [Terms](https://leadstrategist.dk/vilkaar)