Customers and employees share something important: when they need an answer, they want it fast. The biggest knowledge base benefits span the organization, helping customers self-serve, giving employees reliable information, and reducing repetitive work for support teams.
In my experience, when I need help with a product or service, I try to find the answer myself before reaching out to customer support. But self-service only works when the right information is easy to find, accurate, and useful enough to actually solve the problem.
A well-maintained knowledge base creates that centralized source of information for customers and employees. In this guide, I’ll break down how knowledge bases benefit both groups, how to measure their ROI, and seven practical tips for building one that people actually use.
HubSpot's Knowledge Base Software
Enable customers to get answers quickly with a searchable knowledge base built from common support questions.
- Create self-serve help articles that are optimized for search
- Make it easy to browse knowledge base articles by topic
- Improve knowledge base content and fill gaps with insights
- And more!
What is a knowledge base?
A knowledge base is a digital collection of organized information that helps customers or employees quickly find reliable answers.
An external knowledge base supports customer self-service with resources such as FAQs, help articles, troubleshooting guides, product documentation, and video tutorials. An internal knowledge base gives employees a centralized place to find company processes, training materials, product information, and other internal documentation. Both external and internal knowledge bases reduce the need to rely on one-to-one help for information people need repeatedly.
Why Knowledge Bases Matter
Customers and employees need fast, reliable access to information. When answers are scattered across support tickets, internal documents, or individual team members, people spend more time searching or waiting for help. Zendesk’s 2026 CX Trends research found that 88% of customers expect faster response times than they did a year ago.
A well-maintained knowledge base provides customers with a self-service path to accurate answers and employees with a centralized source of reliable information. Those advantages lead to broader benefits for customer experience, support efficiency, and the business.
Benefits of Using a Knowledge Base
A knowledge base benefits both customers and employees by making information easier to access while reducing repetitive work for support and customer-facing teams. Here are eight of the biggest benefits of building and maintaining one.
Enables 24/7 Self-Service
A knowledge base gives customers access to support resources whenever they need them, even when your support team isn’t available. Help articles, FAQs, troubleshooting guides, and other resources can walk customers through common questions and issues without requiring a ticket or waiting for a response.
Customers don’t always want to contact support with a question. Often, they just want an accurate answer and to get back to what they were doing.
That 24/7 access can also reduce customer effort and shorten time to value. Instead of making support the first stop for every question, you give customers another path to getting the information they need. And, according to Zendesk, three in four consumers will spend more with a business that provides a good customer experience. Offering easy access to straightforward answers is part of that.
Improves Customer Satisfaction
A knowledge base can improve customer satisfaction by helping customers find accurate answers faster and reducing unnecessary friction in the support experience. When customers can easily find what they need, they don’t have to wait for a support rep to resolve many common or time-sensitive questions.
Personalization can strengthen that experience further. In a 2024 study, Deloitte found that 80% of consumers surveyed preferred brands that offer personalized experiences. Organizing knowledge base content around different roles, needs, or stages of the customer journey can make self-service feel more relevant and useful.
Nicole Theohary of Slang AI compared that experience to great hospitality. Theohary said, “A great knowledge base is like a really attentive host at a restaurant — it anticipates your needs, makes answers easy to find, and leaves you feeling taken care of.” She added, “At Slang, we think about support as an extension of hospitality. We create resources that are ready-to-go and easy to access, because restaurants don’t have time to wait — they need answers fast.”
The easier it is for customers to find useful information and move forward, the less effort they have to put into getting help, and the better their overall support experience can be.
Reduces Repetitive Support Demand
A knowledge base reduces the demand for repetitive support by allowing customers to resolve common questions without opening a ticket. When answers to frequently asked questions, troubleshooting issues, and routine tasks are easy to find, fewer of those requests need to enter the support queue in the first place.
In my experience, letting customers self-serve common questions also frees support reps to focus their time and expertise on customers with more complex needs. Instead of repeatedly answering the same Tier 1 questions, reps can spend more time on issues that genuinely require human support.
Support and search data can also help teams identify which questions are creating the most repetitive demand. Those patterns can inform new or updated knowledge base content, creating more opportunities for customers to resolve questions through self-service.
Lowers Service Costs
A knowledge base can lower service costs by resolving more customer questions through self-service rather than requiring one-on-one assistance from a support rep. As self-service adoption increases, teams can support a growing customer base without support demand rising at the same rate.
The Office Gurus’ 2026 cross-industry benchmarks for North American mid-market and enterprise operations put self-service at $0.10–$0.60 per successful resolution, compared with $9–$16 per voice contact.
Although knowledge bases can reduce service costs, they require upfront and ongoing investment to create, organize, and maintain useful content. That content can answer the same question repeatedly without requiring additional support time each time a customer needs help.
This also lets support reps spend more time on nuanced or complex customer issues, where human assistance provides the most value.
Increases Product Adoption and Retention
A knowledge base can increase product adoption and retention by helping customers understand how to use your product, overcome roadblocks, and discover additional ways to get value from it. Instead of leaving customers to figure things out on their own, you can provide resources that support them from foundational tasks through more advanced use cases.
In one of my previous roles, for example, we created knowledge base documentation showing customers how to build and test three of our most popular advanced chatbot use cases. We included a video tutorial so customers could build the flows themselves, helping them move beyond basic product adoption and explore more sophisticated ways to use the platform.
That support matters throughout the customer relationship. When customers can quickly find help when they get stuck and continue discovering new ways to use a product, it’s easier for them to realize its value over time. This can support stronger adoption and give customers more reasons to keep using the product at renewal.
Improves Employee Productivity and Onboarding
Internal knowledge management software improves employee productivity and onboarding by giving teams a centralized place to find reliable information without having to rely on another employee for answers. Whether a customer success manager (CSM) needs information about a new feature or a support rep is troubleshooting an integration, employees can find what they need faster and keep work moving.
A 2025 Bloomfire-sponsored article in Harvard Business Review reports that employees spend an average of 10% of their workweek searching for information they need to do their jobs. A knowledge base can be especially valuable for new employees who are still learning the product and company processes. In customer-facing roles, I’ve relied on knowledge base content in real time when I didn’t immediately know the answer to a customer’s question. Instead of delaying the conversation, I could find the relevant documentation with the customer and help remove their blocker.
Keeping internal knowledge current also helps employees stay up to date as products and processes change. When teams know where to find accurate documentation, they spend less time searching for information or asking colleagues to fill in gaps and more time helping customers.
Standardizes Knowledge and Messaging
A knowledge base standardizes knowledge and messaging by giving customers and employees a shared source of accurate, up-to-date information. Instead of answers changing depending on which employee a customer speaks with, teams can rely on the same documented guidance to answer questions or explain how something works.
That consistency matters most as products, policies, and processes change. Keeping knowledge base content current gives customer-facing teams a reliable reference, reduces the risk of outdated or conflicting information reaching customers, and supports stronger knowledge base SEO.
Pro tip: Create a clear process for what employees should do when they can’t find an answer in the knowledge base. In my experience, it’s always better to flag a documentation gap and find the right answer than to guess and risk giving a customer incorrect information.
HubSpot's Knowledge Base Software
Enable customers to get answers quickly with a searchable knowledge base built from common support questions.
- Create self-serve help articles that are optimized for search
- Make it easy to browse knowledge base articles by topic
- Improve knowledge base content and fill gaps with insights
- And more!
Reveals Customer and Content Insights
A knowledge base can reveal customer and content insights by showing teams what users search for, where they struggle to find answers, and which topics repeatedly require support. Those patterns can help customer success, support, product, and content teams identify gaps and prioritize improvements based on what customers actually need.
Nic Brown, a customer education and enablement professional, told me, “In my experience, a well-maintained knowledge base surfaces trends you might otherwise miss. You start to notice what people are struggling with most often, and that can feed directly into product improvements, onboarding strategies, or even how you talk about your product externally.
“So while it might seem like a simple support tool, it actually plays a big role in how a company scales and stays connected.”
For example, frequent searches that return no useful results can point to missing content. At the same time, repeated support questions around the same feature may signal an opportunity to improve documentation, onboarding, or even the product experience itself. Looking at these signals together turns the knowledge base into more than a library of support content — it becomes another source of customer feedback teams can use to make better decisions.
Featured resource: I dug through help desk knowledge base examples — Here are my favorites and how they get results
How to Measure Knowledge Base ROI
Knowledge base ROI depends on whether your content helps customers and employees successfully find the information they need, not simply how many people view an article. A highly viewed article may still be ineffective if customers leave without an answer and submit a support ticket anyway.
Start by connecting knowledge base performance to the goals you established when building it. Depending on those goals, useful metrics can include the following.
- Ticket deflection: How often customers find an answer without opening a support ticket.
- Cost per assisted interaction: The cost of support interactions that require an employee compared with successful self-service.
- Search success: Successful searches, zero-result searches, and repeated or refined queries that may reveal content gaps.
- Article helpfulness: Ratings and other feedback indicating whether content answered the user’s question.
- Time to resolution: How quickly customers or employees resolve issues when knowledge base content is available.
- Support volume by topic: Changes in ticket volume for topics covered by your knowledge base.
- Employee onboarding time: How quickly new employees reach productivity milestones or begin working independently.
- Product adoption or task completion: Whether users complete important tasks or adopt features supported by your content.
- Content costs: The resources required to create, review, update, and maintain your knowledge base.
Look at these metrics together rather than relying on a single number. Declining ticket volume is more meaningful when search success and article helpfulness show customers are finding answers rather than abandoning their searches.
Ultimately, measuring ROI means comparing the value of successful self-service and improved efficiency with the cost of creating and maintaining your knowledge base. Connecting those results to your original business goals gives you a much clearer picture of its impact than traffic alone.
Tips for Building a Knowledge Base
Building an effective knowledge base starts with understanding who it needs to serve, what you want it to accomplish, and how you’ll keep its content useful over time. These seven tips can help you create a knowledge base that customers and employees actually use.
1. Define goals and ownership.
Before creating knowledge base content, define the problems you want it to solve and the metrics you’ll use to measure progress. Your goals might include:
- Reducing support ticket volume.
- Improving product adoption.
- Helping customers self serve more successfully.
- Giving employees faster access to reliable information.
I recommend starting with a gap analysis that compares your current state with where you want to be. For example, if support ticket volume is increasing or adoption of a new feature is lower than expected, those insights can help you prioritize the knowledge base content most likely to address those problems rather than trying to document everything at once.
You should also establish who owns the knowledge base and is responsible for maintaining it. Clear ownership helps ensure articles are reviewed, updated, and retired as your products, processes, and customers’ needs change.
2. Choose a suitable knowledge management system.
Choose a knowledge management system that makes it easy for your team to create and maintain content and for users to find the information they need. Your requirements will depend on your organization, but I recommend evaluating a few core capabilities:
- Search. Users should be able to quickly find relevant information, even if they don’t use the exact terminology found in your articles.
- Analytics. Look for reporting that shows how people search for and interact with your content so you can identify gaps and measure performance.
- Integrations. Connecting your knowledge base with tools such as your CRM and help desk can make it easier to use customer and support data to inform your content.
- Permissions and governance. Consider who needs to create, edit, review, or access content and whether the platform gives you enough control to keep information accurate.
- AI assistance. AI features can help teams create, refine, translate, and identify opportunities for new content, but make sure the capabilities fit your actual workflow.
For example, HubSpot’s knowledge base software lets teams create a searchable self-service library. It includes built-in analytics, multi-language support, and content-gap recommendations to help teams identify what to write next.
Featured resource: The best SaaS knowledge bases and what your company can learn
3. Identify and segment the audience.
Identify who will use your knowledge base and what each audience needs to accomplish. Customers, employees, partners, administrators, and other users may need different information, so understanding those needs can help you organize and prioritize the right content.
For example, a B2B product may have both platform admins and core users. An admin may need documentation about configuration, permissions, or account management, while a core user needs guidance for completing everyday tasks. Your knowledge base should make it easy for both audiences to find information relevant to their roles.
Don’t overcomplicate segmentation, though. Create separate content or pathways where users genuinely have different needs rather than duplicating articles unnecessarily. This keeps the knowledge base easier for users to navigate and for your team to maintain.
4. Make content easy to navigate and search.
Make your knowledge base easy to navigate so users can quickly find the right information without already knowing exactly where it lives. Organize content around intuitive categories such as products, features, common tasks, or desired outcomes, and provide a prominent search function for users who want to go directly to an answer.
Think about the user journey when deciding how to structure those categories. In my previous roles as a CSM, for example, I spent a lot of time training new admins and users. Creating dedicated user guides or new-admin resources gives customers a clear starting point, rather than requiring them to piece together information from individual articles.
Finally, make it obvious what users should do if they can’t find an answer. Providing a clear path to additional help, such as creating a support ticket or contacting your support team, prevents an unsuccessful search from becoming a dead end.
5. Use support and search data to prioritize content.
Use customer support and search data to determine which knowledge base content to create or update first. Support tickets can reveal questions customers ask repeatedly, while knowledge base search data can show what users are actively trying—and sometimes failing — to find.
Other customer signals can also help identify content gaps. Look at where customers get stuck, common reasons for churn or returns, and feedback from sources such as customer surveys and call analysis. When the same issue appears across multiple sources, that’s a strong signal that it may deserve new or improved documentation.
Brown told me, “An underused tactic is watching how people search — not just what they click on. Tools like search analytics or ticket deflection tracking show where users are getting stuck, or what terms they’re using that don’t match your wording.
“Those gaps are gold. They tell you where to improve, what to rename, or even which articles to prioritize.”
6. Create a cross-functional publishing process.
Create a cross-functional publishing process so new and updated information consistently makes its way into the knowledge base. Product, support, customer success, enablement, and other teams may all uncover information customers or employees need, but there should be a clear process for turning that knowledge into useful documentation.
For example, when your product team releases a new feature, decide who owns the related documentation, who reviews it for accuracy, and when to publish it. Customer-facing teams should also have a way to flag missing or outdated content when they encounter gaps.
Pro tip: I like using free knowledge base article templates to keep content consistent across contributors. HubSpot’s knowledge base article template guide also shows how a shared structure can make publishing and review easier to manage.
7. Review and improve content continuously.
Review and update your knowledge base regularly so the information remains accurate and useful as your products, processes, and customers’ needs change. Outdated documentation can make it harder for users to find reliable answers in knowledge bases.
Use knowledge base analytics, search behavior, support tickets, and user feedback to identify articles that need to be updated or areas where new content is needed. It’s also worth establishing a regular review process for existing articles so you can revise or retire outdated information before it creates confusion.
Brown shared another tip with me: “Write for future you, not just current users. Most people focus on documenting what’s immediately useful — but great knowledge bases anticipate growth, change, and turnover. That means building content that’s easy to update, repurpose, and hand off to someone else down the line.”
Building maintenance into your knowledge base strategy from the beginning makes it easier to keep the resource useful as your organization grows.
Frequently Asked Questions About Knowledge Base Benefits
What are the main benefits of a knowledge base?
The main benefits of a knowledge base include enabling 24/7 self-service, improving customer satisfaction, reducing repetitive support demand, lowering service costs, increasing product adoption and retention, improving employee productivity and onboarding, standardizing information, and revealing customer and content insights.
What is the difference between an internal and external knowledge base?
An internal knowledge base is designed for employees, while an external knowledge base provides customers or other outside users with self-service information. Internal knowledge bases typically contain resources such as company processes, training materials, and product documentation. In contrast, external knowledge bases focus on help articles, troubleshooting resources, product guidance, and other customer-facing content.
What is the difference between a knowledge base and an FAQ?
A knowledge base is a broader collection of organized information, while an FAQ is one type of content that can be included within a knowledge base. FAQs generally provide short answers to common questions, whereas a knowledge base can also contain in-depth help articles, tutorials, troubleshooting guides, videos, and other resources.
How do you measure knowledge base ROI?
Measure knowledge base ROI by assessing whether the resource helps users find answers and improves customer or employee outcomes relative to its maintenance cost. Metrics such as ticket deflection, search success, article helpfulness, time to resolution, support volume, employee onboarding time, product adoption, and content creation and maintenance costs can help quantify its impact.
When should a company create a knowledge base?
A company should consider creating a knowledge base when customers or employees regularly need access to the same information, support teams spend significant time answering repetitive questions, or important documentation is scattered across multiple locations. Building one before those challenges become difficult to manage can also make it easier to support growth without relying entirely on one-to-one assistance.
What should a knowledge base include?
A knowledge base should include accurate, searchable resources that address the most common questions and tasks of its intended audience. Depending on who it serves, that may include FAQs, help articles, troubleshooting guides, product documentation, tutorials, videos, company processes, onboarding materials, and links to additional support when users can’t find the answer they need.
A knowledge base benefits customers and employees.
A knowledge base benefits customers and employees in different but connected ways. Customers get faster access to reliable answers through self-service, while employees get a centralized knowledge source that helps them work more efficiently and provide more consistent support.
Throughout my career in customer success, I’ve seen that dual value firsthand. A strong knowledge base helps customers overcome roadblocks without waiting for assistance, while giving customer-facing teams the resources they need to answer questions, support product adoption, and keep customers moving forward.
If you’re ready to put those benefits into practice, HubSpot’s knowledge base software can help you build a searchable self-service library, track how customers use your content, and identify content gaps over time.
Editor's note: This post was originally published in June 2025 and has been updated for comprehensiveness.
HubSpot's Knowledge Base Software
Enable customers to get answers quickly with a searchable knowledge base built from common support questions.
- Create self-serve help articles that are optimized for search
- Make it easy to browse knowledge base articles by topic
- Improve knowledge base content and fill gaps with insights
- And more!