The 12 Best Client Collaboration Tools for Agencies in 2026

Agencies rarely struggle with client collaboration because they lack effort. More often, the problem is that collaboration happens across too many disconnected places.

Feedback lands in email. Project updates live in chat. Files are shared in one tool, approvals happen in another, and task management sits somewhere else entirely. The result is slow project progress, endless email threads, duplicate work, and frustrated teams and clients.

The right client collaboration tools fix that by giving agencies a clearer way to collect feedback, manage tasks, track progress, and keep clients informed without adding more admin. Some are built for website and website design feedback, others focus on project management, client portals, visual collaboration, or client communication.

The last of those is important across all collaboration tools, as PMI research has cited poor communication as a contributing factor in 56% of failed projects.

Increasingly, the best client collaboration software also includes AI features that reduce manual work by summarizing updates, organizing feedback, and surfacing project details automatically.

In this guide, we break down 12 of the best client collaboration tools for agencies across five categories. That way, instead of buying more software than you need, you can identify the exact gap in your current workflow and choose a better-fitting client collaboration solution.

What makes a good client collaboration tool

Before comparing platforms, it helps to define what separates a genuinely useful client collaboration solution from just another tool your team has to manage. In practice, the right client collaboration tool usually gets five things right.

• It’s easy for non-technical clients to use, with minimal account setup and a user friendly interface.
• It fits your existing workflow instead of forcing team members to rebuild how they manage projects, assign tasks, or track time.
• It gives feedback enough context to be actionable, whether that means annotations, version history, clear project tasks, or structured comments.
• It supports approvals, reviews, or sign-offs so the constant back and forth does not drag on indefinitely.
• It gives clients the right level of visibility, so they can track progress without being overwhelmed by internal noise.

AI is becoming part of that equation too. The most useful collaboration tools now reduce cognitive load by summarizing threads, auto-translating text, turning messy updates into structured action items, or tagging incoming feedback automatically.

Website feedback and bug reporting tools

For agencies building or redesigning websites, website feedback tools solve a very specific problem: clients often know something looks wrong, but they struggle to describe it clearly. These tools let clients comment directly on the page, which removes guesswork and gives developers cleaner inputs for the development process.

Once feedback becomes specific and clear, revision cycles shrink. The next challenge is turning that feedback into visible, trackable work inside your broader project management platform.

Marker.io

What it’s best for: Agencies that need clients to submit precise, in-context website feedback with minimal effort.

Marker.io is the strongest fit in this category for agency-client collaboration because it’s purpose-built for website feedback, bug tracking and reporting, UAT, and annotation. It lets agencies collect visual feedback with screenshots and advanced technical metadata, and allows clients to submit feedback without creating an account.

Key features

• Browser-based annotated screenshot capture through the website widget, so clients can comment directly on live sites or staging environments.
• Automatic metadata capture, including technical details that help developers reproduce issues faster.
• Powerful integrations with communication, project management and issue tracking tools such as Slack, Jira, Trello, ClickUp, Asana, and Azure DevOps.
• Guest reporting, so clients and stakeholders can send feedback without a Marker.io account.
• Built-in session replay so your team and clients can see exactly what happened when the reporter encountered in issue.
• AI features that keep global teams aligned with translations, the ability to turn raw feedback into structured input, and the automatic generation of clear issue titles.

BugHerd

What it’s best for: Agencies that want visual feedback and simple task management in the same customer collaboration tool.

BugHerd makes website feedback easy with a point, click, comment workflow and automatically turns those reports into tasks. It also has its own lightweight, integrated Kanban board, which makes it useful for teams that want project tracking and bug triage in one interface.

Key features

• Point-and-click feedback pinned directly to page elements on the website.
• Built-in Kanban task board for managing reported issues and work in progress.
• Automatic capture of browser, OS, URL, screen resolution, and page location metadata.
• Guest-style client feedback flow, so clients can leave feedback from a shared link without a full BugHerd seat.
• Integrations with tools such as Jira, Slack, and Trello

Usersnap

What it’s best for: Agencies and product teams that need feedback across the full build cycle.

Usersnap has broadened beyond bug capture. It is a user feedback and product development platform, with workflows for discovery, analysis, prioritization, and engagement. That wider scope makes it useful for agencies that support websites or digital products beyond launch, but can make it more complex for teams that want a simple tool their clients can quickly onboard onto.

Key features

• Visual feedback capture with screenshots and metadata for more actionable reporting.
• Feedback collection that spans product discovery, QA, and post-launch improvement workflows.
• AI-assisted categorization and feedback analysis through its Airis sidekick and AI automations.
• Integrations with Jira, Trello, Slack, Asana, Azure DevOps, and a much broader ecosystem.
• GDPR-compliant data handling and published security documentation.

Project management tools

If website feedback tools solve the problem of vague revisions, the next layer is managing everything that happens after feedback is submitted. For agencies juggling multiple tools, project management software creates the shared visibility that keeps timelines, deliverables, resource allocation, and project progress moving in the same direction.

The best project management tools for client collaboration do more than help internal teams manage tasks, they also help invite clients into the right parts of the process.

Teamwork.com

What it’s best for: Agencies that want one system for client projects, billable work, and client visibility.

Teamwork.com is explicitly built around client work. It offers client user roles for collaboration and visibility, built-in time tracking, workload planning, proofs for review and approval, and AI features designed around project delivery and resourcing.

Key features

• Client user access designed to give clients visibility and collaboration without full internal permissions.
• Built-in time tracking for billable hours, profitability, and project planning.
• Proofs for structured client review and sign-off on deliverables.
• Workload planner for balancing team capacity against scheduled work.
• TeamworkAI for summaries, project setup, smart assignment, utilization visibility, and update catch-ups.
• Integrations with Slack, HubSpot, QuickBooks, and more.

Integrate Marker.io with Teamwork for optimized bug reporting and fixing.

ClickUp

What it’s best for: Agencies that want a highly flexible project management platform they can shape around their process.

ClickUp is one of the most customizable project management tools on the market. That makes it attractive for agencies with varied service lines, because you can manage projects, docs, dashboards, automations, comments, and task tracking inside one workspace.

Key features

• Multiple views including List, Board, Calendar, Gantt, Team, and Workload.
• Guest access and permissions, which makes it easier to invite clients into specific shared spaces.
• Built-in Docs and wikis that connect documentation directly to workflows.
• Automations for status changes, assignment flows, email updates, and AI-generated updates.
• ClickUp Brain for summarizing task activity, docs, comment threads, and progress updates.
• A free forever plan remains available.

Integrate ClickUp and Marker.io to benefit from a seamless bug squashing experience.

Monday.com

What it’s best for: Agencies that want a visual, easy-to-understand workspace for teams and clients.

Monday.com’s strength is clarity. Its dashboards, status-driven boards, and automations make it easy to track progress and present project details to external stakeholders without much training. It’s a strong option when client communication depends on simple visibility.

Key features

• Live dashboards and automated reporting for progress, performance, and resource utilization.
• Customizable visual widgets, including chart, numbers, battery, and Gantt views.
• Automations and integrations to keep workflows moving across tools.
• Monday AI supports AI blocks, AI-powered automations and columns, workflows, and board suggestions.
• Plain-language access to reporting through Sidekick and activity insights.

Check out how the integration between Monday.com and Marker.io can help you.

Client communication tools

Once project tracking is in place, the next issue is usually setting up effective communication. Project management tools structure the work, but client communication tools keep day-to-day collaboration moving, whether that means quick clarifications, async status updates, or sharing context without another meeting.

Not every client interaction should become a task. Some belong in messaging, and some are clearer in video, so the next two tools complement the project management layer rather than replace it.

Slack

What it’s best for: Agencies that want a dedicated space for day-to-day client communication outside email.

Slack remains one of the most familiar collaboration tools for teams and clients. Through Slack Connect, agencies can work with external organizations in shared channels or DMs, while AI features now help summarize busy conversations and surface what matters faster.

Key features

• Slack Connect for working with clients and other external stakeholders in shared channels or direct messages.
• Channel-based and threaded messaging to keep topics organized.
• Search, files, and integrations that keep project context from scattering across other tools.
• AI conversation summaries, thread summaries, daily recaps, AI search, and file summaries.
• Free plan support remains available, though message and file history is limited to 90 days and older data may be deleted after one year.

Discover what connecting Slack and Marker.io could do for you.

Loom

What it’s best for: Agencies that need to explain work clearly without scheduling another call.

Loom is not a replacement for real-time collaboration, but it does help reduce unnecessary video meetings. Agencies can record walkthroughs, design reviews, project progress updates, or decision explanations, so clients can watch them when it’s most convenient.

Key features

• Screen and camera recording across desktop, browser, and mobile.
• Transcriptions, closed captions, and Loom AI workflows that can transform a recording into a written doc.
• Time-stamped comments and emoji reactions on specific moments in a video.
• Viewer insights and engagement data.
• Easy sharing and embedding across other tools and workflows.

Design and visual collaboration tools

If communication tools keep the conversation moving, design and visual collaboration tools help agencies make abstract ideas concrete. They are especially useful when clients need to react to visual elements, review interfaces, or participate in workshops rather than just read status updates.

This category is the bridge between project planning and client buy-in. In other words, after the conversation is clear, the next step is often getting alignment on what the work should actually look like.

Figma

What it’s best for: Agencies doing UI and UX work who need client review, comments, and developer handoff in the same environment.

Figma has become the default tool for interface design for a reason. Clients can review files and prototypes in the browser, or leave comments directly on designs, while developers can use Dev Mode to understand what changed and what is ready to build. Figma also now has an expanding set of AI tools.

Key features

• Browser-based file and prototype sharing for clients and stakeholders.
• Comments directly on files and prototypes.
• Version history for tracking design changes over time.
• Dev Mode for clearer design-to-development handoff and change tracking.
• Figma AI tools for getting started faster, finding assets, generating drafts, and supporting broader creative workflows.

Mural

What it’s best for: Agencies that run workshops, discovery sessions, or strategic collaboration with clients.

Mural is strongest when collaboration is exploratory rather than linear. Its digital whiteboard works well for kickoff sessions, stakeholder mapping, strategy workshops, and collaborative planning where a visual approach helps teams and clients think together.

Key features

• Infinite-canvas collaboration with sticky notes, diagrams, and templates.
• Real-time and async collaboration in the same mural.
• Facilitation Superpowers such as timer, summon, and other workshop controls.
• Voting sessions and private mode, including anonymous contribution options.
• Mural AI features including summarize, cluster, classify, rewrite, generate, diagram, and AI chat.

Client portal tools

Different tools solve different moments in the client journey. Client portals step back and focus on the overall client experience, giving agencies a branded place for communication, document management, billing, approvals, and client interactions.

This category matters most when you want not only reliable project execution, but also a good agency-client working relationship. If the earlier categories improve collaboration mechanics, portals improve the experience surrounding them.

Assembly

What it’s best for: Agencies that want a branded hub for messaging, files, billing, and client-facing workflows.

Assembly is the current name of the platform previously known as Copilot. It offers a white-labeled client portal built for service businesses, with messaging, file-sharing, contracts, invoicing, tasks, custom branding, and embedded external apps.

Key features

• White-labeled, branded client portals with custom theme and domain controls.
• Messaging, file sharing, contracts, invoicing, tasks, and onboarding workflows in one place.
• Embedded third-party tools and custom app support through the platform.
• AI assistant and AI-powered client management positioning.
• Strong focus on modern service businesses, including agencies.

HubSpot

What it’s best for: Agencies already using HubSpot that want CRM, service, and client communication in one system.

HubSpot is not a purpose-built agency project management tool, but it can be useful when the agency already runs sales, marketing, and service inside the HubSpot ecosystem. Its customer portal is built around tickets and support interactions, while its conversations inbox centralizes communication, and Breeze adds AI across the broader platform.

Key features

• A login-protected customer portal where contacts can access and manage support tickets.
• Shared conversations inbox for centralized team communication.
• CRM connection so every interaction is tied to the contact record.
• Breeze AI across the customer platform, including assistants, agents, and broader AI workflows.
• Large integration ecosystem and marketplace.

How to choose the right tools for agency-client collaboration

After you’ve reviewed the categories above, and the options each, the best next step is auditing where friction actually lives in your current workflow.

• If the problem is unclear website feedback, look for a solution to that.
• If the problem is project tracking and approvals, prioritize project management functionalities.
• If the problem is fragmented or lost conversations, choose a communications tool.
• If the problem is a fragmented client-facing experience, focus on client portals.

Agencies often lose time not because they lack software, but because they’re juggling multiple tools that overlap badly and force clients to jump between systems.

The same rule applies if you’re evaluating tools for agency-client collaboration or looking at leading AI tools for advisor-client collaboration: start with the bottleneck, not the buzzword.

It also helps to think in layers. A website feedback tool, a project management platform, and a client communication tool can work together without duplicating each other. For example, Marker.io can capture precise issues, Teamwork or ClickUp can manage project tasks and project planning, and Slack can handle day-to-day communication.

That kind of stack usually works better than forcing one platform to do everything badly.

Whatever you choose, adoption matters more than feature count. A right client collaboration tool is one your team members and clients will actually use without constant training, extra admin, or yet another login that gets ignored.

AI features are useful, but they should stay secondary to workflow fit. The best AI-assisted collaboration features are the ones that reduce admin, summarize messy updates, surface blockers, and give clients the context they need without being chased for it.

They’re useful whether you manage marketing retainers, website redesigns, consulting engagements, or advisory relationships – but much less useful when it sits on top of a broken process.

Final thoughts

The best client collaboration software depends on where your agency feels the most friction. If your pain point is vague feedback, look first at website feedback and bug reporting tools. If the challenge is project progress, approvals, and task management, start with project management tools. If the real issue is day-to-day client communication, visual collaboration, or the overall client experience, then communication platforms, design tools, and client portals become more important.

But for agencies whose biggest problem is unclear website feedback and QA processes, Marker.io is the most direct fix.

It lets clients annotate issues on live pages in seconds, sends those reports into the tools your team already uses, captures the technical context developers need, and offers a 15-day free trial with no credit card required, making it one of the most practical client collaboration tools on this list for web-focused agencies.