# Bulgaria Government Procurement — CAIS

> Find Bulgarian government contracts on CAIS with AI. Hook turns plain English queries into structured procurement data from Bulgaria's centralized electronic procurement system. Sign up.

*Source: [https://www.selltostate.com/countries/bulgaria/](https://www.selltostate.com/countries/bulgaria/)*

**Country:** Bulgaria (BG)
**Portal:** CAIS
**Portal URL:** https://app.eop.bg
**Currency:** BGN
**Language:** en-BG

## Overview

Bulgaria's CAIS (Централизирана автоматизирана информационна система), operated through the eOP platform, is the mandatory system for all public procurement in the country. With EU accession benefits driving energy sector investments, transport infrastructure, and digital transformation, Bulgarian procurement offers growing opportunities for domestic and international suppliers. Hook indexes every eOP listing so you find tenders without manual portal browsing.

## Why Hook for Bulgaria?

### Full eOP Coverage

Every tender in Bulgaria's centralized procurement system — ministries, municipalities, and state enterprises — in one search.

### Energy Sector Focus

Surface energy infrastructure, grid modernisation, and renewable energy tenders driving Bulgaria's transition.

### Plain English

No Bulgarian-language navigation or CPV code lookups required. Ask what you need and Hook delivers.

### Export-Ready

Structured data with notice numbers, authorities, values in BGN, and deadlines — ready for your bid pipeline.

## How it works

1. **Ask in Plain English** — Describe your products or services in everyday language. Hook maps your query to CPV codes and the procurement categories used on Bulgaria's eOP platform.
2. **Hook Searches CAIS / eOP** — Hook indexes the full CAIS system — open procedures, restricted tenders, and negotiated contracts from ministries, municipalities, energy companies, and state agencies across Bulgaria.
3. **Receive Structured Contract Data** — Results arrive with notice numbers, contracting authority details, estimated values in BGN, submission deadlines, and award criteria — structured for your bid process.

## Use cases

- **Energy Suppliers** — Find nuclear, gas, and renewable energy procurement from NEK, Bulgargaz, ESO, and regional energy distributors.
- **Construction Firms** — Track motorway, rail, and municipal infrastructure projects backed by EU cohesion and recovery funds.
- **IT Vendors** — Surface e-government, digital registry, and cybersecurity tenders from Bulgarian ministries and the State e-Government Agency.

## Built for

Built for Bulgaria

## FAQ

### What is Hook?

Hook is an AI-powered procurement search tool by Sell to State. It lets you query Bulgaria's CAIS/eOP platform in plain English and receive structured contract data from across the Bulgarian public sector.

### What is CAIS?

CAIS (Централизирана автоматизирана информационна система) is Bulgaria's centralized automated information system for public procurement, accessible via the eOP platform at app.eop.bg. All contracting authorities must publish tenders here. Hook indexes it continuously.

### Who is Hook built for?

Bulgarian SMEs, energy sector suppliers, construction firms, IT companies, EU-funded project contractors, and any business targeting public contracts from Bulgarian ministries, municipalities, or state enterprises.

### How much does Hook cost?

360 лв per month, or 3,600 лв per year (saving 720 лв). Sign up to lock in early access pricing.

### What data does Hook cover?

All eOP notices: open procedures, restricted tenders, negotiated procedures, contract awards, framework agreements, and design contests from every Bulgarian contracting authority.

### Can I use Hook as an MCP server?

Yes. Hook exposes a Model Context Protocol interface, so you can query Bulgarian procurement data from any MCP-compatible AI assistant or IDE.

## Pricing

- Monthly: 360 BGN
- Annual: 3600 BGN (saves 17)