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Legal · head to head

Clio vs Mimecast

Clio logo

Clio

Legal

Cloud practice management software for law firms

From
On request
Rated
-
Full reviewWebsite
Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Clio priced per user per month, so cost scales directly with headcount and adds up for growing firms; Mimecast no pricing is published for any product or plan, and every route ends at a quote or demo request
  • They diverge on capability: Clio covers Matter management, Mimecast covers Advanced threat detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Clio and Mimecast actually diverge.

Attributes where Clio and Mimecast differ
AttributeClioMimecast
Starting priceOn request$4/month
Pricing modelPer-user subscription with published tiers; contact vendor for current ratessubscription
PlatformsWeb, iOS, Android, CloudEmail, Cloud, Collaboration
CategoryLegalCybersecurity
FoundedUnknown2003

Identical on both: free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Clio

  • Matter management
  • Time and billing
  • Trust accounting
  • Client intake
  • Document management
  • Integration directory

Only in Mimecast

  • Advanced threat detection
  • Secure sharing
  • Email encryption
  • Message tracking
  • Email archiving
  • Legal hold
  • eDiscovery
  • Backup and recovery

What people use each for

The jobs each tool is most often brought in to do.

Clio

  • Small and mid-sized firms replacing spreadsheets and paper matter filesnot Mimecast
  • Firms needing compliant trust accounting without a separate systemnot Mimecast
  • Practices billing hourly that lose revenue to uncaptured timenot Mimecast

Mimecast

  • Email security filtering against phishing and targeted attacksnot Clio
  • Email archiving, continuity and compliance for organisationsnot Clio

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Clio

  • Priced per user per month, so cost scales directly with headcount and adds up for growing firms
  • Advanced features including some automation and reporting sit in higher tiers rather than the entry plan
  • Aimed at small and mid-sized firms; large firms with complex matter structures often need heavier systems
  • Strongest in North America, with less depth in other jurisdictions’ compliance requirements

Mimecast

  • No pricing is published for any product or plan, and every route ends at a quote or demo request
  • The platform is split into separately sold products for email security, awareness training, data protection and governance
  • Collaboration threat protection, DMARC analysis, incident response and email archiving are all further add ons on top of those

Pricing, plan by plan

Clio

On request

No published plan breakdown. See the Clio review.

Mimecast

$4/month
  • Defender$4/month
    • Per user
    • Threat protection
    • Impersonation prevention
  • Archive$3/month
    • Email archiving
    • Legal hold
    • Search & recall
  • Unified$6/month
    • All Defender features
    • All Archive features
    • Backup

Which should you pick?

Choose Clio if

  • You need matter management.
  • You work on Web, iOS, Android, Cloud.
  • You also want time and billing.
Clio review

Choose Mimecast if

  • You need advanced threat detection.
  • You work on Email, Cloud, Collaboration.
  • You also want secure sharing.
Mimecast review

Questions people ask

Is Clio or Mimecast better?
Neither clearly leads. Clio starts at On request and Mimecast at $4/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Clio or Mimecast?
Clio starts at On request and Mimecast at $4/month.
Does Clio or Mimecast run on more platforms?
Clio runs on Web, iOS, Android, Cloud. Mimecast runs on Email, Cloud, Collaboration.
What is Clio best used for?
Clio is most often used for small and mid-sized firms replacing spreadsheets and paper matter files, firms needing compliant trust accounting without a separate system, practices billing hourly that lose revenue to uncaptured time. Of those, small and mid-sized firms replacing spreadsheets and paper matter files and firms needing compliant trust accounting without a separate system are not what Mimecast is typically brought in for.
What can Clio do that Mimecast cannot?
Clio covers Matter management, Time and billing, Trust accounting, Client intake. Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking.

Answered from the vendors’ own pages

Clio: What does Clio cost?

Clio sells per-user subscriptions across several tiers. Rates change and vary by region, so check the vendor’s current pricing page rather than relying on a third-party figure.

Mimecast: How much does Mimecast cost?

Mimecast does not publish pricing on its website. Customers must request a custom quote by contacting the sales team at +1 617 393 7000 or using the Get a Quote button.

Source
Clio: Does Clio handle trust accounting?

Yes, and it is one of the main reasons firms adopt it, because client fund rules are strict and mishandling them is a regulatory matter.

Mimecast: Is there a free trial of Mimecast?

Mimecast's trial and pricing options are not specified on the public website. Contact sales at +1 617 393 7000 or through their support portal at mimecastsupport.zendesk.com for trial availability.

Source
Clio: Is Clio suitable for a large firm?

It is aimed at small and mid-sized practices. Large firms with complex matter and billing structures usually evaluate heavier enterprise systems.

Clio: Does Clio integrate with existing tools?

Yes. Its integration directory is the largest in legal practice software, covering Microsoft 365, Google Workspace, QuickBooks and many others.

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