Kleos

Kleos is cloud-based legal practice software with mobile apps, client document sharing and online payment support. It is best suited to legal teams that want practice tools tied to Microsoft or Google calendars and can work with an always-online service. Its tiered storage and team features make the choice between plans consequential, while custom pricing means you will need a quote to compare total cost.

Overview

Kleos brings legal practice work into a cloud service, with document and time-management capabilities alongside client-facing tools. Its iOS and Android apps extend access to mobile devices, but an internet connection is required, so it is not a fit for teams that need to work offline.

Security is a notable part of the proposition: European data centers use HTTPS, TLS 1.2 and AES 256, and the service is GDPR compliant and certified to ISO/IEC 27001:2013 and 22301:2019. Kleos also supports secure document sharing through Kleos Connect and accepts online payments through Stripe. These features suit firms handling client files and payments within a connected workflow, though they do not remove the need to assess plan limits and custom pricing.

Key features

• Time management: Calendar activity syncs in real time with Microsoft Outlook or Google Calendar, which can help teams keep schedules aligned with tools they already use.
• Office integrations: Microsoft Word and Outlook integrations are included across the tiers; Microsoft Teams is reserved for Advanced and Advanced+. Teams that rely on Teams collaboration will need to budget for one of those higher plans.
• Client documents and payments: Kleos Connect provides a secure channel for sharing documents with clients or third parties, while Stripe support enables online payments. This makes the service more useful for firms that want client interactions to extend beyond internal case work.
• Administration and extensibility: Business reports are included in Advanced and Advanced+, and Advanced+ adds single sign-on (SSO). An API is unavailable in Core and can be added to either higher plan, so integration needs may push a firm beyond the entry tier.
• Expert AI: Kleos Expert AI can review, highlight, summarize, compare and extract data from documents.
• Support: Phone assistance is available five days a week, alongside a digital ticket system available 24/7. The ticket channel provides round-the-clock access to support requests, while phone help has a narrower schedule.

Pricing

Pricing is custom; the supplied plan terms show per-user monthly figures, but no currency-and-term price is published in a form that establishes the payable rate. Request a quote and confirm billing terms before choosing a tier.

Storage rises by 10 GB from Core to Advanced and by a further 5 GB to Advanced+. The API is an add-on rather than a standard inclusion on the two higher plans, so firms that depend on integrations should establish its additional cost. There are no stated seat caps or trial terms to weigh against the per-user structure.

Platforms

Kleos offers mobile apps for iOS and Android, while its cloud-native service requires an internet connection. That combination is convenient for connected mobile work, but the online requirement is a clear limitation when connectivity is unreliable or offline access is essential.

Who it's for

Kleos is most compelling for legal practices that want cloud-based practice management with mobile access, secure client document sharing, calendar synchronization and online payments. Firms already using Outlook or Google Calendar can benefit from real-time syncing; teams that use Microsoft Teams, need business reporting or require SSO should compare the higher tiers. It is less suitable for buyers who need a free or offline option, or who cannot evaluate a per-user custom quote before committing.

Pros and cons

• Pros: Secure sharing, Stripe payments and real-time calendar sync bring client-facing and scheduling functions into the same cloud-oriented offering.
• Pros: European data-center encryption and named security certifications give firms concrete safeguards to consider for sensitive practice information.
• Pros: The three plans distinguish storage and team administration features, with SSO available in Advanced+.
• Cons: No free plan is offered, and custom pricing makes direct budget comparison harder before requesting a quote.
• Cons: Core omits Microsoft Teams, business reports and API availability; the API on higher plans is still an add-on.
• Cons: The internet requirement rules out offline work, and storage is capped at 15 GB, 25 GB or 30 GB according to plan.

Alternatives

For a broader view of legal tools, compare the Legal Practice Management Software and Legal Client Portal Software lists. For adjacent finance and tax needs, see Tax Provision Software, Fixed Asset Management Software, VAT Software and Tax Compliance Software.

Flowie is worth considering if you want a free entry point: its free plan is limited to 24 documents per month (300 per year), basic processing without workflows and one entity. OneStream is a paid alternative with broader platform availability, including mobile, web, Windows and self-hosted options; its platform price is discussed by demo. CSC Corptax is an enterprise corporate tax option with demo-request pricing. Lucasys Tax Provision, PowerPlan Tax Provision, TaxLab Nucleus and TaxProvision.net are other paid tax-provision options. Tax Series may suit buyers open to a proof-of-concept process, with licensing based on scope and a free trial.

Verdict

Choose Kleos if your legal practice wants connected cloud tools, mobile access, client sharing and payments, and values its documented security measures. Its main trade-offs are the always-online requirement, plan-dependent storage and team features, and the need to request custom pricing. Firms that need offline work, a free starting tier or clearer upfront costs should look elsewhere.