What is the Best Contract Lifecycle Management (CLM) Software?

We've narrowed down the top CLM vendors on the market and identified the essential features you should be looking for in your CLM software.
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Contracts are crucial in today's business landscape, with 80% of B2B revenue being governed by agreements, according to World Commerce & Contracting research.

Managing contracts across various departments is challenging due to manual, time-consuming processes, leading to delays, errors, and increased risk.

Contract Lifecycle Management software (CLM) simplifies digital contract processes, making them faster, more consistent, and accessible to the wider business – all while minimising financial and operational risk.

Companies of all sizes and industries can benefit from implementing a CLM solution for cost and efficiency gains. To help you evaluate the landscape, we have analysed seven CLM companies and their offerings to help you choose the best contract lifecycle management software in the market.

What is CLM?

Contract lifecycle management begins pre-signature, at the proposal stage of an agreement, finishes at post-signature management, and covers all parts of the end-to-end journey. It involves the following steps:

  • Drafting
  • Reviewing
  • Negotiation
  • Signing
  • Execution
  • Renewal or expiry

What is CLM Software?

CLM software is typically a cloud-based solution that efficiently manages a business’s contract portfolio throughout each lifecycle stage.

CLM software allows legal teams and business users to streamline and accelerate contract processes, making them relevant and useable to the wider business. It automates and accelerates manual work prone to human error at the click of a button, making the crucial data inside contracts valuable and actionable.
Summize Dashboard and Analytics

Features of the Best CLM Software

The once underserved market of CLM is now overflowing with vendors, all with a different take on the process of managing contracts. Seeing a huge range of features can make you want them all, even if they are not the most useful or necessary for your team.

So, we’ve narrowed it down to the three most important, game-changing features that will help you achieve smarter digital contracting.


Almost every department deals with contracts, so a CLM solution must integrate with existing productivity tools and workflows to benefit the wider business. Summize uses Microsoft Teams, Word and Slack as the primary user interface, creating a frictionless experience for contracting processes by ensuring maximum adoption by legal and non-legal users.

Dynamic Repository

Regulations are constantly changing, making contracts more complex and costly to manage. A CLM solution should have advanced repository search capabilities, allowing legal and business users to access contractual information easily.
Summize Repository

Artificial Intelligence (AI)

AI is taking the CLM market by storm, working alongside lawyers to redefine existing processes. The Summize Contract Analysis Engine works alongside humans to digitalise and streamline manual legal processes without requiring teams to learn a new system. Legal teams can leverage AI to eliminate process bottlenecks, enabling contract creation in under 2 minutes, with a first-pass review completed in less than 5.

What is the Best CLM Software in 2023?

1. Summize

Summize is the world’s first Integrated Contract Lifecycle Management solution that takes a unique approach to the end-to-end process of creating, reviewing, executing, and managing legal contracts.

Its integrations first approach uses Teams, Slack and Word as the primary user's interface to ensure maximum adoption and utilisation by legal and non-legal users.

At the heart of the solution, The Contract Analysis Engine combines human experience and AI to digitalise contractual processes. Users can create accurate, actionable summaries and intelligent workflows. Contract processes are fast, simple and the user experience gets rave reviews.

Summize Benefits

Fast and frictionless contracting
With Slack and Teams as its primary user interface, business users can create contracts using a Q&A-style chatbot in under 2 minutes. A first-pass review can also be completed in less than 5, removing bottlenecks from your contract lifecycle process.

Shorter contract cycles
By embedding contract workflows into your existing tools, communication between legal and commercial users is streamlined. Pre-signature and post-signature contract processes, such as create and review, are faster, more consistent, and more efficient – accessed directly through familiar collaboration tools for almost-instant results.

Mitigated risk
With enhanced AI and natural language capabilities, contract summaries are actionable, accurate and immediate, with their key dates and tasks extracted and added to your calendar. Areas of concern are red-flagged, allowing legal teams to mitigate financial and operational risk in minutes. Summize’s strength and origins as a contract summary solution continue to play a pivotal role in the CLM solution, now including OpenAI integration for ChatGPT natural language summaries – making the contents of a contract more usable than ever.

2. Kira Systems

Kira is an advanced machine-learning software designed to identify, extract, and analyse content within contracts and documents. Initially founded in 2011, Kira was acquired in 2021 and is now a part of the Litera family.


  • Easy-to-use interface
  • Good search capabilities
  • Strong project management functionality


  • Expensive price packages
  • Immature AI capabilities
  • Inability to rename files and folders

    3. Concord

    Concord was founded in 2014 and offered a straightforward design driven by simplicity. Concord is designed to help legal teams be proactive regarding changes in regulations and compliance, making it easy to manage the entire contract lifecycle in one place.


    • Bulk upload features
    • Strict version requirements for a consistent audit trail
    • Quick set-up


    • Immature product with reports of a poor user experience and interface
    • Difficult to integrate contracts that have been signed outside of the platform
    • Poor document management capabilities

    4. Donna AI

    Founded in Sweden in 2017, Donna is an AI-powered Microsoft Office Add-In for lawyers that helps users to draft and review contracts and agreements.


    • Is a Microsoft Office Add-In
    • Competitive pricing packages


    • Limited end-to-end capabilities
    • Tailored towards small businesses
    • Lack of product features

    5. SimpliContract

    Built by technologists, lawyers, and contract management experts, SimpliContract is a Cloud-based AI-powered CLM platform supporting organisations across the contract lifecycle.


    • Simple-to-use interface
    • Strong search capabilities
    • Responsive support team


    • Requires a change in working habits
    • Limited features available
    • Immature AI ability

    6. PandaDoc

    PandaDoc aims to be a feature-rich, affordable, all-in-one solution with enhanced contract and document management platforms. Founded in 2011, it is an intuitive platform that allows teams to oversee the entire contract lifecycle. It enables businesses to build, track and sign all their agreements in one place.


    • Built-in e-signature option
    • Comes with 200+ free templates
    • Shareable links between internal and external teams


    • Limited integrations
    • Requires vast training
    • Lack of ability to create documents

    7. Leeway

    A French company with clients worldwide, Leeway is a tool for legal teams to draft, negotiate, sign and track contracts in one place. The start-up aims to reduce the time spent on contract management and give greater control and visibility over legal and financial risks.


    • Simple onboarding process
    • Access rights feature


    • Lack of integrations into existing systems
    • Requires a change in working habits
    • Immature product with a lack of features
    • Poor user experience

    Tips for choosing the best CLM tool for your business

    Implementing the right CLM solution can significantly impact your legal team and wider business. So, to ensure that the solution can reduce costs and return ROI, as well as addressing contractual challenges, it’s crucial that you first identify the critical business requirements, your use case and research the market.

    As you meet the vendors and evaluate the options, We recommend that you ask yourself these questions:

    • Which vendors offer your must-have CLM features?
    • Does the new CLM require a change in working habits?
    • Which CLM solutions integrate into your existing workflow
    • Can you eliminate vendors that don’t align with your immediate needs?
    • What are the customers saying about each solution?
    • Does it support self-serve capabilities for the wider business?
    • How easy is it to use?
    • What is the implementation process?
    • What support packages are available?

    Forget the rest. Choose the best CLM solution!

    Choosing the right CLM solution is crucial to meeting your goals. Summize offers an AI-powered end-to-end contracting solution that streamlines the business' contracting workflows. Its integrations with Teams, Slack, and Word make contracts accessible and usable to the entire company without user training, which is crucial for user adoption and overall success.

    Ready to experience Summize?
    Contact us today to arrange your personalised demo.
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