Case Study
north-west.at
Sales research as an assembly line: find companies, identify decision-makers, verify emails, from three sources, through one form, with cost control per run.
Case Study
Sales research as an assembly line: find companies, identify decision-makers, verify emails, from three sources, through one form, with cost control per run.
north-west.at wanted to build up B2B sales systematically: find target industries in specific regions of Austria, identify the right contacts and reach them with a verified email address. Manually, that means clicking through Google Maps, cross-checking the WKO directory, searching LinkedIn, guessing addresses. For a sales operation that is meant to scale, that's not an option.
The entry point is a single n8n form: choose the source (Google Maps, WKO or LinkedIn), then enter industry, region and category. Behind it run three scraper paths: Google Local Finder and Business Info API via DataForSEO, the WKO company directory via an Apify actor, LinkedIn profiles via Google search. All of them write to the same Data Tables. A postcode grid ensures large regions are covered completely without storing duplicate results.
In the results table, sales sets an action per company. Every five minutes the workflow picks up the flagged rows, identifies the decision-makers via an AI model, finds and verifies the email addresses in a waterfall process and writes up to three contacts with title, LinkedIn profile and email status directly into the company row, in wide format, the way the team works with it. Sorted by reliability: verified emails first, then unverified, then fallback to the company address.
Every API call is logged with date and cost in a dedicated table. The grid loop saves after every single query, so an abort only loses the current query and a restart skips what's already known. Over four versions we worked through an error catalogue together with the client (duplicates, identical names, status logic of the email verification) until the system runs through without rework.
n8n (forms, Data Tables, schedule trigger), DataForSEO SERP/Local Finder/Business Info, Apify WKO actor, Claude for decision-maker identification, Cleanlist for email verification, Gemini as fallback. No Google Sheets, no Apps Script: everything in one instance the client operates themselves.
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