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Marks & Spencer versus Tesco
Compare	Marks & Spencer	Tesco
Verdict	Depends	Depends
Best for	UK shoppers wanting quality basics	UK weekly grocery shops
Who it's not for	Bargain hunters	Anyone outside UK/Ireland delivery zones
Privacy	Major 2025 ransomware attack by Scattered Spider halted online orders; services later restored.^⁴	Multiple historical incidents (2014, 2016, 2021); no new breach evidence in the sources reviewed.¹⁶
Support quality	Review snippets too thin to score	Only review counts found, no service detail
Public sentiment	Shoppers praise quality and a brand revival but often call it overpriced, and the 2025 hack dented online-order trust.^²	Shoppers value the range and delivery convenience but repeatedly complain that prices feel volatile, rising, and Clubcard-dependent.
Biggest gotcha	Online orders were suspended after the 2025 cyberattack; check current service status before relying on delivery^⁴	Breach history: Tesco Bank 2016, Clubcard accounts, 2021 hack attempt¹⁶

Pick Marks & Spencer when

UK shoppers wanting quality basics
Food hall and gift buyers
Workwear and homeware shoppers
Shoppers valuing an established brand

When Marks & Spencer is not a fit

Bargain hunters
US shoppers until the Nordstrom rollout lands
Anyone needing guaranteed online delivery post-breach
Budget grocery shoppers

Pick Tesco when

UK weekly grocery shops
Clubcard deal hunters
Online delivery regulars

When Tesco is not a fit

Anyone outside UK/Ireland delivery zones
Buyers evaluating software . this is a supermarket
Shoppers prioritising stable, low prices

Sources

Marks & Spencer - Wikipediaen.wikipedia.org
official
Marks and Spencer Reviews | Trustpilottrustpilot.com
review
Why does M&S have such a good reputation? : r/AskUKreddit.com
review
M&S cyber attack: What we know about it and its impactbbc.com
security
Cyber Update - Marks & Spencercorporate.marksandspencer.com
official
Why Marks & Spencer's £60M Breach Should Put Cyber Risk on Every CFO's Agendagatekeeperhq.com
security
Beloved global clothing brand is returning to the USnypost.com
news
Marks And Spencer Reviews | Reviews.ioreviews.io
review
Tesco.com Trustpilot reviewstrustpilot.com
review
Tesco reported to competition watchdog over pricingreuters.com
news
Tesco website and app back online after hack attempttheguardian.com
security
Tesco apologises after software issue hits website and appbbc.com
news
Tesco changes Clubcard plan after complaintsthe-independent.com
news
Tesco popularity & fame . YouGovyougov.com
review
Who Are Tesco's Main Competitors? . Investopediainvestopedia.com
news
Tesco Bank Suffers Data Breachamtivo.com
security