Running a successful interior design business involves more than just a keen eye for aesthetics. Behind every beautifully curated space is a well-structured process, ensuring clear communication, smooth project execution, and satisfied clients. The right documents serve as the foundation of this process, streamlining workflows and setting expectations from start to finish.
Whether you're just starting your design business or looking to refine your client experience, these essential documents will help you stay organized, professional, and efficient.

Design: Own London | Photography: Dean Hearne
Investment Guide
An Investment Guide is the first touchpoint for potential clients, setting the stage for what they can expect when working with you. This document outlines your pricing structure, project process, and value proposition, ensuring that prospects understand the scope of your services before committing.
Encourage your client to test out any new features, like lighting systems or smart appliances, during this walkthrough. It’s a perfect opportunity to address any technical questions on the spot.
What to Include:
A warm introduction to your brand and design philosophy
An overview of your services and typical project costs
The design process and timeline
Frequently asked questions
This document helps filter inquiries, attracting clients who align with your pricing and process while saving you time answering repetitive questions.
Design Proposal
Once a client expresses interest in moving forward, a Design Proposal lays out the project details, scope, and expectations. This document is essential for securing commitments and preventing misunderstandings later.
Key Components:
Project overview and objectives
Services included (and what is not included)
Estimated budget and payment structure
Timeline and milestones
Terms and conditions
A clear and comprehensive design proposal protects both you and your client, ensuring that everyone is aligned before work begins.
Interior Design Service Agreement
A Service Agreement is a legally binding contract that outlines the terms and conditions of your work with a client. It protects both parties by clearly defining expectations, responsibilities, and deliverables, reducing the risk of disputes.
Key Components:
Scope of work and project details
Payment terms and refund policies
Timelines and deadlines
Cancellation and termination policies
Liability and dispute resolution clauses
Having a well-drafted Service Agreement in place ensures that both you and your client are legally protected while fostering a professional relationship.
Client Process Bundles for Interior Designers
Welcome Guide
After securing a signed agreement, the Welcome Kit sets the tone for a smooth collaboration. It serves as a client onboarding tool, providing all the information they need to navigate the design process with ease.
What to Include:
A welcome message and introduction to your team
Office hours and preferred communication methods
Payment schedule and invoicing details
An overview of the design process and what to expect at each stage
Client responsibilities and action items
Providing a well-crafted Welcome Kit makes clients feel confident in their decision to work with you while reducing uncertainty and confusion.
Client Design Questionnaire
Before you start designing, gathering detailed information from your client is crucial. A Design Questionnaire helps uncover their needs, style preferences, and functional requirements, ensuring a personalized design outcome.
Topics to Cover:
Lifestyle and daily routines
Preferred color palettes and aesthetics
Specific furniture and material preferences
Storage and spatial needs
Budget and timeline expectations
A thorough questionnaire streamlines the creative process, preventing guesswork and unnecessary revisions later.
Design Presentation
The Design Presentation is where your vision comes to life. This document (or digital presentation) showcases your design concept, ensuring alignment before moving forward with procurement and implementation.
Essential Elements:
Mood boards and color schemes
Space plans and furniture layouts
3D renderings or sketches (if applicable)
Material and finish selections
Estimated pricing and sourcing information
By presenting a well-organized and visually compelling concept, you gain client buy-in and reduce the likelihood of mid-project changes.
Spec Book + FFE Schedule Template by IDCO Studio
Spec Book + FFE Schedule Template
A Specification Book (Spec Book) and Furniture, Fixtures, and Equipment (FFE) Schedule ensure that every detail of the project is meticulously documented for contractors, suppliers, and installers.
What This Includes:
Product specifications, dimensions, and pricing
Material finishes and sources
Vendor and order tracking information
Delivery and installation schedules
This document keeps the procurement and execution phases organized, preventing costly errors and delays.
Sourcing Checklist
A Sourcing Checklist is an essential tool for tracking every purchase and ensuring a seamless procurement process. This document provides a clear overview of all selected furnishings, materials, and decor, allowing both your team and clients to stay informed on progress and approvals.
What to Include:
Comprehensive item descriptions, including vendors and pricing
A structured format for tracking client approvals
Order status updates to monitor sourcing progress
Integrated links for easy navigation between sections
A customizable cover sheet to showcase project inspiration
By using a detailed and well-organized Sourcing Checklist, you streamline procurement, maintain clear communication, and ensure that every design element is accounted for.
Goodbye Packet
The project doesn't end when the final pillow is fluffed. A Goodbye Packet serves as a professional and thoughtful wrap-up, ensuring a positive lasting impression and potential referrals.
Key Elements:
A thank-you note and final thoughts
Care instructions for furniture and materials
Contact information for any follow-ups
A request for testimonials and reviews
Referral incentives (if applicable)
Providing a well-crafted Goodbye Packet leaves clients feeling valued and more likely to recommend your services.
Having these essential documents in place elevates your professionalism, improves efficiency, and enhances the client experience. From the first inquiry to project completion, each document plays a role in setting expectations, avoiding misunderstandings, and delivering high-quality results. By implementing these tools, you create a structured workflow that allows you to focus on what you do best—designing exceptional spaces.