Build a Claude Project That Knows Your Business as Well as You Do

What You'll Learn

• The exact structure for a Claude Project that carries full company context across every conversation
• Which documents to load and what to include in the Project Instructions
• How to test the setup and refine it with 3 structured test queries
• The 4 task types where this saves the most time
• How to expand the setup for a team using Claude Team plan

Every AI power user eventually runs into the same problem. They open Claude, start a new conversation, and spend the first 3 - 5 minutes typing context they already typed in the previous conversation. Company background. Current priorities. Communication style preferences. Budget constraints.

Three to five minutes per session, 10 sessions per day: 30 - 50 minutes of context-setting per day, every day. Claude Projects eliminates this. The setup takes 15 minutes and eliminates context-setting overhead permanently.

This is a PromptHacker Premium article.

The 15-minute setup sequence, Project Instructions template, test protocol, and team scaling guide are available to Premium subscribers.

The 15-Minute Setup

Step 1: Create a new Project.

On Claude Pro or Team plan, click "New Project" in the left sidebar. Name it your company name or "Work Context."

Step 2: Write Project Instructions using this template.

Company context: [Company name] is a [2-sentence descriptor]. Current ARR/stage: [describe]. Team size: [number]. Current top 3 priorities: 1. [Specific priority] 2. [Specific priority] 3. [Specific priority] Communication style: [Direct/Formal/Brief]. Default response format: [bullets/prose/tables]. Response length: [concise/detailed]. Standing constraints: - Budget range for vendor decisions: [describe] - Tools currently in use: [list primary tools] - Audience for external communications: [describe] What to avoid: [2-3 specific things Claude should not do here]

Step 3: Upload 2 - 4 reference documents.

Company one-pager, most recent board deck or executive summary, product/service description, and current customer or account list (anonymized). Do not upload documents with confidentiality clauses before reviewing Anthropic's privacy policy.

Step 4: Run 3 test queries.

Test 1: "Draft a response to this vendor RFP: [short generic RFP]." Test 2: "Based on our current priorities, what is the strongest case for or against [current decision]?" Test 3: "Write a brief all-hands update on our Q1 progress." Score each on accuracy, tone, and relevance to your real context.

Step 5: Refine Project Instructions.

Fix the 2 - 3 things Claude got wrong. After 2 - 3 refinement cycles, the Project produces on-target outputs for 80 - 90% of tasks without further instruction.

The 4 Task Types That Save the Most Time

Vendor RFP and contract responses. Claude drafts grounded in your actual company stage and capabilities. Saves 30 - 60 minutes per RFP response.

Internal communication drafts. All-hands updates, manager briefings, board pre-reads. Claude knows your communication style. Saves 20 - 30 minutes per communication.

Strategic analysis and option evaluation. Claude evaluates options against your actual constraints without re-explanation overhead.

Meeting preparation and follow-up. Pre-meeting briefings, post-meeting action item summaries, follow-up drafts. Paste your calendar for the week and get a full prep set. Saves 10 - 15 minutes per meeting.

Action Steps Summary

• Create a new Claude Project. Takes 2 minutes.
• Write Project Instructions using the template in this article. Replace bracketed text with your actual context. Takes 10 minutes.
• Upload 2 - 4 reference documents. Company one-pager, board deck, product description. Takes 5 minutes.
• Run 3 test queries. Score on accuracy, tone, and relevance. Identify the 2 - 3 things to fix.
• Revise Project Instructions based on test results. Repeat once per quarter as priorities change.