AiAdvisors

Top choice in n8n Agencies

One-engineer n8n practice in Warsaw building agentic automations and MCP servers

Last reviewed 30 August 2026How we rank

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HQ
Warsaw, Poland
Founded
Not published
Team
1
Pricing
project bands $1,000-$80,000 (n8n directory)
Regions
Europe
Stack
n8n, n8n-mcp, Claude / Claude Code, MCP, Supabase, Google Workspace, Coda
Industries
Ecommerce, Accounting Firms, Law Firms, Agencies, Healthcare

About AiAdvisors

AiAdvisors is the most platform-native operation in this category and also the smallest. The work goes past workflow assembly into custom microservices, MCP server design, document intelligence and model fine-tuning, and the practitioner is the author of n8n-mcp, an open-source project stated at 22,600+ GitHub stars. That is a rare thing in this market: a technical claim a buyer can verify without asking anyone.

What surrounds that engineering is much less substantiated. There is no review profile on Clutch, G2, DesignRush or Google, no founding year published, and the Warsaw base is recorded by the n8n partner directory rather than by his own site, which publishes a phone number and little else. Two of the three published case studies are anonymized, so the checkable client evidence reduces to one named engagement.

Our verdict

This is the pick when the problem is genuinely technical: a workflow that needs a custom microservice behind it, an MCP server, a retrieval layer over messy documents. The n8n-mcp project is the strongest piece of verifiable technical evidence anywhere in this category, and the Energy House build shows the same depth applied to an ordinary back-office problem. The limitation is structural and does not go away. This is one person. If he is booked, ill or moves on mid-project there is no named second engineer, and a buyer committing $20,000 to a system the business will run on has to price that risk in. Anyone who needs parallel workstreams, a procurement-friendly counterparty or an independent review record should look further down this list.

Pros

  • Author of the open-source n8n-mcp project, stated at 22,600+ GitHub stars; the only public open-source n8n work by any agency in this category
  • Named build for Energy House: twelve connected n8n automations that de-duplicate and file cost invoices arriving across seven team inboxes
  • Scope extends past workflow building into custom microservices, MCP server design, RAG and model fine-tuning

Cons

  • A single-person operation. The site is written in the first person singular and names one individual, so there is no named backup and no continuity plan if he becomes unavailable.
  • Two of the three published case studies are anonymized, so most of the client evidence cannot be independently checked.
  • No review profile exists on Clutch, G2, DesignRush or Google, and no founding year is published anywhere.
  • The Warsaw location comes from the n8n partner directory rather than his own site, which publishes only a phone number and no address.

Where AiAdvisors ranks

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