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Document Management for Small Law Firms

Most small firms start with a shared drive, outgrow it as matters and staff multiply, and eventually face a decision between Microsoft SharePoint and a purpose-built legal document management system. Each option has a real place depending on the firm's size and practice area.

Published August 10, 2026 Updated August 10, 2026 9 min read By Joshua Arimoro Greater Sudbury & Ontario
The short answer

A basic shared drive works for very small firms with simple filing needs, Microsoft SharePoint suits firms wanting matter-centric organization and collaboration within the Microsoft 365 ecosystem, and a dedicated legal DMS such as Primafact suits litigation-heavy practices handling large volumes of scanned discovery and productions. The right choice depends on document volume, practice area, and how many staff need simultaneous matter access.

The three common approaches

Small law firms typically land on one of three approaches to document management, often moving from the first to the second or third as the firm grows.

Comparing the options

Document management options for small law firms
ApproachBest forStrengthsLimitations
Shared network driveVery small firms, simple filing needsSimple, familiar, low costNo matter-centric structure, weak version control, limited security granularity
Microsoft SharePointFirms already on Microsoft 365 wanting better structureGood versioning, permission control, integrates with Teams and OutlookRequires proper setup and governance to avoid becoming another messy shared drive
Dedicated legal DMS (e.g. Primafact)Litigation and personal injury firms with high document volumePurpose-built for case files, strong search across scanned documents, matter-centric by designHigher cost, dedicated infrastructure and support needs

Versioning and why it matters more in legal work

Losing track of which version of a document is current creates real risk in legal work, from an outdated agreement being sent to a client to conflicting drafts circulating among staff. Shared drives handle versioning poorly by default, since multiple people can overwrite the same file without any record of what changed. SharePoint and dedicated legal document management systems both maintain version history natively, which is one of the strongest reasons firms move away from a plain shared drive.

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Matter-centric structure

Organizing documents by matter rather than by document type or date is the single biggest structural improvement most firms can make. A matter-centric structure keeps everything related to a case (correspondence, productions, billing references, and notes) discoverable in one place, which is the core design principle behind dedicated systems like Primafact and can be replicated with discipline in SharePoint.

  • One top-level folder or site per matter, named consistently
  • Standardized subfolder structure applied to every matter
  • Clear naming conventions for documents within each matter
  • Access permissions scoped to the staff actually working the matter where appropriate

Secure client file exchange

Emailing sensitive documents as attachments remains common but is not a secure way to exchange client files, particularly documents containing financial or medical information. Both SharePoint and dedicated legal document management platforms typically offer secure sharing links with expiry dates and access controls, which should replace email attachments for anything sensitive.

How infrastructure choice affects IT support needs

A shared drive depends on basic file server and network support. SharePoint depends on a properly managed Microsoft 365 tenant with correct permission structures. A dedicated legal DMS such as Primafact depends on the more specific server, storage, and backup considerations covered in our Primafact server requirements guide. Whichever path a firm chooses, the underlying managed IT support, backup, and cybersecurity practices need to match the platform.

Making the decision for your firm

  1. Estimate your firm's document volume per matter and total active matters.
  2. Consider whether staff need simultaneous access to large scanned document sets, which favours a dedicated DMS.
  3. Weigh existing Microsoft 365 investment, which favours SharePoint if document needs are moderate.
  4. Factor in secure client file exchange requirements for sensitive documents.
  5. Plan backup and access control needs for whichever platform is chosen, since all three still require proper IT support behind them.

Frequently asked questions

Is SharePoint a good replacement for a legal document management system?

For firms with moderate document volume and existing Microsoft 365 licensing, SharePoint can work well with proper governance. High-volume litigation practices generally still benefit from a dedicated system like Primafact.

Why is a plain shared drive risky for a growing law firm?

Shared drives lack strong version control and matter-centric structure by default, which increases the risk of using an outdated document or losing track of file history as the firm grows.

Is email a secure way to send documents to clients?

Email attachments are not a secure method for sensitive client documents. Secure sharing links with expiry dates and access controls, available in SharePoint and most legal document management platforms, are a stronger alternative.

Do we need different IT support depending on which platform we choose?

The underlying need for managed IT support, backup, and cybersecurity applies regardless of platform, though the specific infrastructure requirements differ between a shared drive, SharePoint, and a dedicated legal DMS.

About the author

Joshua Arimoro

Joshua Arimoro is the Principal Consultant at Nickel City Tech Solutions, a managed IT and cybersecurity provider based in Lively, Ontario, serving businesses across Greater Sudbury and Northern Ontario. He works hands-on with Microsoft 365, server and network infrastructure, endpoint management, and backup and recovery for small and mid-sized organisations.

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