End-to-End UI/UX Design Services Driving Business Growth

Service Overview

User Interface & Interaction Design Service provides enterprises with a full-chain digital product experience design, from user research to high-fidelity prototype delivery, helping clients create intuitive, user-friendly, and commercially valuable interfaces.

This service is centered on a "user-centric" design philosophy, addressing core pain points such as poor product usability, low user retention, and low conversion rates through systematic user behavior analysis, information architecture structuring, interaction flow definition, and visual interface design. Our differentiator lies in deeply integrating design strategy with business goals, ensuring every pixel serves business growth.

This service is suitable for enterprises developing or iterating web and mobile applications, particularly product teams aiming to enhance user experience, reduce user learning costs, and strengthen market competitiveness.

Service Content

Clients will receive the following verifiable deliverables and services:

Basic Services

1. User Research Report: Includes user personas, user journey maps, and core pain point analysis, providing data support for design decisions.
2. Information Architecture Diagram: Clearly displays product feature hierarchy and page flow relationships, ensuring logical rigor.
3. Interactive Prototype (Low-Fidelity): Quickly validates the usability of core workflows, supporting multiple rounds of iterative optimization.
4. High-Fidelity Visual Interface: Includes pixel-perfect design drafts for all core pages, covering multi-platform adaptation (Web/iOS/Android).
5. Design Specification Document: Standardizes colors, fonts, components, and interaction guidelines to ensure consistency in subsequent development.

Value-Added Services (Optional)

6. Usability Testing Report: Organizes real user testing, outputting a list of issues and improvement suggestions.
7. Design System Setup: Establishes a reusable component library and design assets for long-term iterative products.

Delivery Process

The service follows a standard five-stage process to ensure efficient collaboration and high-quality delivery:

1. Requirement Understanding & User Research (1-2 weeks)

   • Key Activities: In-depth interviews with product teams, competitive analysis, user interviews/surveys
   • Participants: Designer + Product Manager
   • Deliverable: User Research Report

2. Information Architecture & Interaction Design (1-2 weeks)

   • Key Activities: Creating information architecture diagrams, defining core interaction flows, producing low-fidelity prototypes
   • Participants: Interaction Designer
   • Deliverable: Information Architecture Diagram + Low-Fidelity Prototype

3. Visual Design & High-Fidelity Prototype (2-4 weeks)

   • Key Activities: Visual style exploration, detailed interface design, multi-platform adaptation
   • Participants: UI Designer
   • Deliverable: High-Fidelity Visual Interface

4. Design Review & Iteration (1 week)

   • Key Activities: Internal review + client review, collecting feedback and completing at least one round of revisions
   • Participants: Designer + Client Team
   • Milestone: Design Finalization

5. Delivery & Specification Output (1 week)

   • Key Activities: Organizing design specification documents, delivering all source files and assets
   • Participants: Designer
   • Deliverable: Design Specification Document + Final Delivery Package

Service Commitment

We provide clear service level commitments to ensure delivery quality and timeliness:

Commitment Item	Specific Metric
Response Time	Reply to client messages within 4 hours on business days
Delivery Time	Deliver on time per project plan milestones, with delays not exceeding 3 business days
Revision Rounds	2 rounds of free revisions per phase
Satisfaction Guarantee	15-day free Q&A period after delivery
Confidentiality Agreement	NDA signed by default to protect client business information

Note: Specific SLA metrics can be detailed in the contract based on project scope.

Team Qualifications

The service is delivered by an experienced design team, with core members possessing the following capabilities:

• Team Size: At least 1 Interaction Designer + 1 UI Designer + 1 Project Manager
• Professional Background: Team members have over 3 years of experience in digital product design, serving clients in finance, e-commerce, healthcare, education, and other industries
• Tool Proficiency: Skilled in mainstream design tools such as Figma, Sketch, Axure, and Adobe XD
• Certifications: Some members hold UXPA (User Experience Professionals Association) certification or Google UX Design certificates
• Industry Experience: Completed over 50 commercial projects, covering B-end backends, C-end applications, and mini-programs

Note: Specific team configuration can be flexibly adjusted based on project requirements.

Pricing Model

Two flexible billing methods are offered to suit different project needs:

1. Fixed Project Quote (Recommended)

   • Applicable Scenarios: Medium to large projects with clear requirements and defined scope
   • Reference Price: ¥50,000 - ¥200,000 (varies based on page count and complexity)

2. Per Person-Day Billing

   • Applicable Scenarios: Agile projects with frequent requirement changes or long-term iterations
   • Reference Price: ¥3,000 - ¥5,000 / person-day

Note: The above prices are reference ranges; final quotes will be determined after evaluating specific requirements.