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From Tax Returns to Legal Documents: What Important Files to Keep (and for How Long)

A man and a woman in a storage facility carry cardboard boxes and packing materials; the man pushes a trolley with boxes while the woman holds one box, and they look at each other as they walk down an aisle lined with shelves.
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Storing documents is more than simply placing them on shelves or cabinets. In Ireland, there are several regulations around safely storing items, the length of time required for storage, as well as how to properly dispose of them. 

Businesses in Ireland need to comply with government tax regulations as well as the General Data Protection Regulation (GDPR) obligations. Poor document management can expose you to unnecessary risks, such as fines. With secure storage solutions, managing paperwork becomes far more straightforward.

Business and Tax Records You Must Keep

In Ireland, Revenue requires businesses to keep key financial and tax-related records for at least six years. These documents must clearly demonstrate how figures in tax returns were calculated and should be available if they’re requested.

Common records that your company has to keep include:

  • Receipts for expenses and purchases
  • Sales invoices
  • Accounting books and nominal ledgers
  • Bank statements and supporting documentation
  • Any ‘linking documents’ used to calculate Income Tax, Corporation Tax, or Capital Gains Tax

While digital storage is permitted in many cases, businesses remain legally responsible for record keeping, even if an accountant or agent manages records on their behalf. Where original documents are required by legislation, these must be retained in their original format – which means significant storage space!

Office employees sitting around

Legal, Property, and Professional Documentation

For solicitors, property professionals, and businesses handling legal documentation, document retention periods are often longer and more complex. Files should generally be retained for at least the relevant Statute of Limitations period, protecting both the client and your firm. 

Examples of common retention requirements include:

  • Conveyancing Files: Minimum of 13 years after file closure
  • Solicitors’ Accounting Records: At least 6 years
  • Anti-Money Laundering Records: Minimum of 5 years after the end of the client relationship
  • Probate and Wills: Often retained indefinitely
  • Employee Records: Varying periods depending on the document type

Certain files - such as those involving minors, mentally incapacitated persons, or litigation holds - may require indefinite retention, which means you need to find space to store these for extended periods. 

GDPR and Data Protection Obligations

GDPR adds another layer of responsibility when it comes to storing sensitive documents. Personal data cannot be kept longer than necessary unless there is a lawful reason to do so, such as compliance with tax, legal, or regulatory requirements. Failure to manage this properly can result in data breaches, reputational damage, and significant fines for your company.

To remain compliant, you must:

  • Clearly define document retention periods
  • Inform clients how long their data will be held and why
  • Maintain a documented retention and destruction policy
  • Securely destroy files once statutory periods expire

Why Choose Off-Site Document Storage 

Storing documents onsite may seem convenient and more cost-effective, but it often creates hidden risks. Basements, storerooms, and filing cabinets are not designed to protect sensitive records from external dangers such as damp, fire, theft, or unauthorised access. Professional off-site storage offers a safer and more efficient alternative, especially for archived or infrequently accessed documents.

a padlock on the door of a self storage unit

Benefits of Storing Documents with StorageWise

StorageWise provides businesses in Ireland with secure, purpose-built document storage facilities. By moving records offsite, you can enjoy peace of mind while freeing up valuable office space.

Key benefits include:

  • Climate-controlled storage to protect documents from Ireland’s damp conditions
  • Secure facilities with controlled access and monitoring
  • Organised archiving systems – including cataloguing, auditing, and barcoding - that improve traceability and retrieval
  • Scalable storage options, from a few boxes to thousands of files
  • Improved GDPR compliance through restricted access and defined retention controls
  • Cost-effective solutions for businesses across every sector

Whether you are managing tax records, legal files, employee documentation, or historical business archives, understanding retention requirements is essential. It’s also important to choose a file storage solution that protects sensitive information and supports compliance over the long term.

By combining clear retention policies with secure off-site storage through StorageWise, Irish businesses can reduce risk, improve organisation, and ensure their most important documents are protected for as long as needed. 

Find The Right Self Storage Unit

There are several types of self storage solutions available – whether you’re a student, a business, or a family moving home. Visit our storage unit calculator to see which sizes are available and how much they cost.
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