Maksim Kosourov's Work | ContraWork by Maksim Kosourov
Maksim Kosourov

Maksim Kosourov

Automation & CRM Expert - Make, Zapier, n8n

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Followed by Bram D, StackShortlist , and Rustam R

Ha Long, Vietnam

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Ha Long, Vietnam

Cover image for A company was losing deals
A company was losing deals to its own quoting speed. Every request meant a manager opening the price catalog, finding the right items among 12,000 positions, calculating the quote by hand, and formatting it — often the better part of a full day. By the time the quote went out, the client had sometimes already moved on. I built an n8n workflow connected to their Google Sheets catalog. Now one request triggers the whole thing: the workflow reads the request, pulls the right items and current prices from the catalog, runs the calculation, and returns a formatted, ready-to-send quote — no manual lookup, no spreadsheet math. What used to take close to a day now takes under 15 minutes. The manager reviews and sends instead of building each quote from scratch. Quotes go out while the client is still deciding, not a day later when the moment has passed. The speed came from removing the manual steps between a request and a ready answer — not from anyone working faster. Tools: n8n, Google Sheets, API.
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Cover image for A B2B firm was verifying
A B2B firm was verifying every counterparty by hand before signing a contract. A manager would open several official government registries one by one, checking tax ID, registration number, name, address, status, and director - then check the bank details separately, by eye. Slow, dependent on one person's attention, and errors slipped through: a dissolved company here, a wrong account number there. I built an n8n workflow that lives inside their CRM. Now one "Verify" button runs the entire check. It pulls the record, queries the government business registries for legal status and details, validates bank name, routing code and account against the central bank's directory, checks the account number by its checksum, and applies custom rules to phone, email and signatory format. It even detects whether the counterparty is a company or a sole proprietor and checks each accordingly. The result comes back into the record as one of three clear statuses, with a plain-language report showing exactly which field is wrong and why. A missing or invalid tax ID stops the check early, so nothing runs on bad input. What changed: several registries collapsed into one button, routine checks no longer need a lawyer, and the CRM sets the verification status automatically. No more contracts signed with dissolved companies or incorrect bank accounts. Tools: n8n, CRM platform, registry APIs.
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Cover image for A consulting firm with 20
A consulting firm with 20 employees and 7 key roles had no system to manage operations. Built a full CRM from scratch over 4 months: 9-stage sales pipeline, cross-department kanban boards, automated task handoffs between Sales, Legal, Product and Accounting teams, checklists and notification triggers at every stage. Result: fully automated operations from day one. CRM has been running 4 years with no structural issues. Client retained me for ongoing support and referred me to colleagues from their entrepreneur community.
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Cover image for A recruitment agency with 17
A recruitment agency with 17 employees had no unified phone system — managers called from personal numbers with no recording or CRM connection. Built complete telephony infrastructure in 2 weeks: 25 numbers, smart routing, CRM integration, call recording, auto-attendant and notification system. Result: zero personal numbers from day one, full call history in CRM. First-touch contact rate increased by 13% thanks to auto-attendant capturing missed calls.
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