- [Home](https://truthsignal.com/) - [Business](https://truthsignal.com/business) - Which? # which.co.uk Markdown: [Snapshot](https://truthsignal.com/business/which.co.uk/snapshot.md) [Full report](https://truthsignal.com/business/which.co.uk/report.md) ## Website which.co.uk Which? | Expert testing, reviews and advice - Which? Which? works for you reviewing products and services, so that you make the best purchase decisions for your needs. which.co.uk One of the first images collected of this website on 27 Jan 2006 Checked on 12 Nov 2026, 20:57 Unclaimed Own this business? Claim it now and get instant access to analytics, insights and further ways to improve your truth score. ## Truth score Truth score 88 out of 100, High truth signals. Customer satisfaction: insufficient evidence 88 / 100 High truth signals Top 10% of businesses we’ve checked ## Business details Category: Reviews and ratings site Years in business: 65 years Founded: 1957 Sells: Subscription or membership Sells to: The public Licensed trade: No licence normally needed Domain age: 31 years Address: [2 Marylebone Road, London, NW1 4DF](https://www.google.com/maps/search/?api=1&query=2%20Marylebone%20Road%2C%20London%2C%20NW1%204DF) Email address: support@which.co.uk Phone number: [+44 29 2168 2899](tel:+44%2029%202168%202899) Contact page: Not found Website: [which.co.uk](https://which.co.uk/?utm_source=truthsignal.com&utm_medium=referral) Social media: Not found ## Do the sources agree? Company name: WHICH? LIMITED Its website agrees Companies House agrees ## Customer reviews, accreditations and complaints No reviews we could read We looked on SmartCustomer, G2, Capterra, Reviews.io, Feefo, Trustindex, ComplaintsBoard and ConsumerAffairs Trustpilot reviews are not included in this assessment. This business also has a [Trustpilot page](https://uk.trustpilot.com/review/www.which.co.uk), which may contain additional customer reviews. We recommend checking these alongside the reviews shown here. Customer satisfaction Insufficient evidence · No reviews found App experience Insufficient evidence · No app ratings found ## Summary Is which.co.uk legit and trustworthy? Truth score 88 out of 100, high truth signals: 8 public checks clear, 1 not found, 1 for information. Legitimacy confidence: high. App experience: insufficient evidence. Customer satisfaction: insufficient evidence. which.co.uk is run by Which? Limited, an active UK company registered at Companies House 65 years ago, and was founded in 1957. Its website address was registered 31 years ago, and is locked against transfer to someone else. No malware or phishing warnings found for its website. We could not find social media profiles or a customer rating. ### Positives - An active UK company registered at Companies House, set up 65 years ago. - Its website address was registered 31 years ago. - No malware or phishing warnings found for its website. ### Not found - Social presence information was not found from our checks. - Reviews information was not found from our checks. Our technical team has been informed. Important context: Truth Signal weighs public evidence about this business. A high score means strong evidence that the business is established and legitimate, not a promise that it is safe to buy from or that every purchase will go well. A low score means the evidence is thin or raises concerns, not that the business is unsafe or a scam. ### What they offer Which? works for you reviewing products and services, so that you make the best purchase decisions for your needs. — Which?, in their own words About them Customer stories: [Air fryers](https://www.which.co.uk/reviews/air-fryers) Sources [Its homepage](https://www.which.co.uk/) ### How to check if which.co.uk is legit To check if which.co.uk is legit yourself, look at the same public records we did: the company register, who owns the web address and since when, customer reviews (where buyers leave praise and complaints), visitor numbers, how long the site has existed, social profiles, malware lists, data breaches and email security. Each row below shows what that record says about which.co.uk; open a row to see the facts and the source to check them yourself. Step by step: [how to know if a shopping site is legit](https://truthsignal.com/guides/how-to-know-if-a-shopping-site-is-legit). ### Who they are Company details An active UK company registered at Companies House, set up 65 years ago - Its registered office at Companies House is 2 Marylebone Road, London, NW1 4DF - Its latest accounts at Companies House run to 30 June 2025 - It has filed at Companies House regularly for the last five years, with no gap longer than 15 months - Registered with the Information Commissioner's Office (ICO) to handle personal data Country Where the company is based: UK Why we believe that: it is registered at Companies House, which is a registration for UK businesses, its terms are governed by the laws of England and Wales Which countries the company serves: UK Why we believe that: its address ends .uk, £ prices on its homepage Registration Companies House registration: Registered as WHICH? LIMITED Data protection registration (ICO): Registered, number Z7154913 VAT number: Not found Companies House register Company found in official company register: Yes Registered company name: WHICH? LIMITED Company status: active Company age: 65 years Registered address: 2 Marylebone Road, London, NW1 4DF Accounts overdue: No Confirmation statement overdue: No Insolvency history: No Registered office in dispute: No Filing history consistent: Yes ICO data-protection fee payer: Yes Registered to do: 58142 Publishing of consumer and business journals and periodicals 58190 Other publishing activities Previous names: CONSUMERS' ASSOCIATION LIMITED (31 Jan 1987 to 1 Apr 1995) CONSUMER PROTECTION LIMITED (13 Dec 1960 to 31 Jan 1987) Company type: Private limited company Size and borrowing Accounts filed: Full accounts The most detailed kind a company files. Secured loans (charges): 0 No secured loans outstanding at Companies House. From Wikipedia Type (Wikipedia): private company limited by shares Founded: 1957 Employees: 792 Revenue: 100521000 pound sterling Sources [Companies House](https://find-and-update.company-information.service.gov.uk/company/00677665) [Wikipedia](https://en.wikipedia.org/wiki/Which%3F) [ICO register entry](https://ico.org.uk/ESDWebPages/Entry/Z7154913) Domain registration Its website address was registered 31 years ago - Its website address is locked against being transferred to someone else Domain age: 31 years Domain transfer lock enabled: Yes Sources [ICANN Lookup](https://lookup.icann.org/en/lookup?name=which.co.uk) Website details We read 3 of its pages: about, terms and privacy - Company contact email is available HTTPS enabled: Yes Contact phone number found: [+44 29 2168 2899](tel:+442921682899) Contact page linked: Yes Hosting company: Amazon Technologies Inc. Sources [Homepage](https://which.co.uk/) [About page](https://which.co.uk/about-which/sitemap) [Privacy page](https://which.co.uk/help/our-policies-and-standards/1975/which-privacy-policy) Search engines and AI Lets in search engines and AI answers; blocks 1 of 7 AI training tools Which search engines and AI tools its robots.txt file lets read the website. Search engines list it in results; AI training tools learn from it; AI answer tools read it to answer someone’s question. Search engines All allowed Google Search: Allowed by default Googlebot Bing: Allowed by default Bingbot AI training 1 of 7 blocked OpenAI: Allowed by name GPTBot Anthropic: Allowed by name ClaudeBot Google AI: Allowed by name Google-Extended Apple AI: Allowed by default Applebot-Extended Common Crawl: Allowed by default CCBot Meta: Allowed by default meta-externalagent ByteDance (TikTok): Blocked by its robots.txt Bytespider AI answers All allowed ChatGPT search: Allowed by default OAI-SearchBot ChatGPT: Allowed by name ChatGPT-User Claude search: Allowed by name Claude-SearchBot Claude: Allowed by name Claude-User Perplexity: Allowed by name PerplexityBot User-agent: Bytespider User-agent: Dotbot User-agent: PetalBot Disallow: / User-agent: GPTBot User-agent: ChatGPT-User User-agent: Google-Extended User-agent: Amazonbot User-agent: Linkup User-agent: PerplexityBot User-agent: Perplexity-User User-agent: ClaudeBot User-agent: Claude-SearchBot User-agent: Claude-User User-agent: Claude-Web Disallow: /reviews/skincare/article/best-led-masks-a2qS83V7Qiat Disallow: /reviews/nutrition-and-supplements/article/best-multivitamin-supplements-ayQZG4q4kyL1 Disallow: /reviews/air-fryers/article/how-to-buy-the-best-air-fryer-aTeOo5k172u0 Disallow: /reviews/robot-vacuum-cleaners/article/how-to-buy-the-best-robot-vacuum-cleaner-aG8rV0p2VwZc Disallow: /reviews/televisions/article/how-to-buy-the-best-tv-a9tS88t0XIjP Disallow: /news/article/things-we-loved-this-black-friday-aGzVQ7P7ah2L Sources [robots.txt](https://which.co.uk/robots.txt) ### Reputation and track record Customer reviews, accreditations and complaints It has a review page on [Trustpilot](https://uk.trustpilot.com/review/www.which.co.uk) Platform · Rating · Reviews [Trustpilot](https://uk.trustpilot.com/review/www.which.co.uk) · Unknown · Unknown Business mentions 1 thread on Reddit mentions this business Platform · Thread · What it says Reddit, r/AskUK · [Does anyone here pay for 'Which? ' membership? Is it worth it?](https://www.reddit.com/r/AskUK/comments/11azjd0/does_anyone_here_pay_for_which_membership_is_it/) · “Which is good if you need to purchase appliances but for a company that reviews things they really don't review very much else to make it very useful day to day. The world is full of stuff I'd like independent advice on but which seems a bit limited in scope.” Visitor traffic Real people visited its website in 24 of the last 24 months - Real people have visited its website since February 2021 or earlier - It is among the 50,000 most-visited sites on the internet (Cloudflare Radar) Monthly visitor data Popularity among Chrome users: top 50,000 sites First known user traffic: Feb 2021 or earlier Months with real traffic, of the last 24: 24 Traffic pattern: sustained Rank jump in the last 12 months: none Rank drop in the last 12 months: none Cloudflare Radar Popularity across the internet: top 50,000 sites Where its visitors are Share of people looking up which.co.uk, by country, over the last 2 days. - Over 50% - 5 to 50% - 1 to 5% - 0.2 to 1% - Under 0.2% - None seen - 1 United Kingdom 60.7% - 2 United States 12.4% - 3 Singapore 11.3% - 4 Germany 2.5% - 5 Puerto Rico 2.2% - 6 Indonesia 1.8% - 7 Austria 1.5% - 8 Brazil 1.5% - 9 Canada 1.5% - 10 Netherlands 1.5% Top 10 of 18 countries. Sources [Chrome UX Report](https://developer.chrome.com/docs/crux) [Cloudflare Radar](https://radar.cloudflare.com/domains/domain/which.co.uk) Web history and authority The Internet Archive first saved a copy of its website 26 years ago Website archive history: 26 years Sources [First archived copy](https://web.archive.org/web/20000407/which.co.uk) Social presence We could not check how big its social media following is: the check ran out of time. ### What data this site collects about you Tracking tools on its homepage Google Tag Manager Named in its homepage's code when we read it. Others may load later, so this list may not be complete. Google Tag Manager: Loads other tracking tools, which may not be listed here. Uses OneTrust to ask which cookies you allow. Source [Its homepage](https://which.co.uk/) ### Safety Malware and phishing No malware or phishing warnings found for its website This check is not perfect: it can miss a harmful site, and it can wrongly warn about a safe one. Malware or phishing threat status: None found Sources [Google Web Risk](https://docs.cloud.google.com/web-risk/docs/advisory) Data breach history No known data breach involving the company Known data breaches found: 0 Sources [Have I Been Pwned](https://haveibeenpwned.com/) Domain and email security Its email is protected: mail forged in its name goes to spam Email MX records: Yes SPF record: Yes DKIM key: Yes DMARC record: Yes DMARC policy: quarantine Certificate Security certificate browsers warn about: No Certificate issuer: Amazon Certificate type: DV Certificate expires: 29 Dec 2026 Hosting Nameservers: ns-1422.awsdns-49.org ns-177.awsdns-22.com ns-1917.awsdns-47.co.uk ns-523.awsdns-01.net Address: 18.200.153.89 52.215.33.33 52.49.217.217 Sources [Its DNS records](https://dns.google/query?name=which.co.uk&rr_type=TXT) ### Proof of ownership What the business has done to prove it runs this website. Each proof adds points to its truth score, up to 5. A proof it has not added is never counted against it. DNS record Not added yet +3 possible What we check: A record the business adds in its domain's settings. Only someone who runs the website can add one. When we check: On every check. The points stay only while the record is there. Points: 0 of 3 added Source which.co.uk's DNS records Run which.co.uk? Add the record and 3 points are added to its truth score. [Prove you run this website](https://truthsignal.com/claim/which.co.uk) Email at its own domain Not added yet +1 possible What we check: That someone at the business has confirmed an email address at its own website's domain. When we check: When the address is confirmed. It counts from then on. Points: 0 of 1 added Source Truth Signal's own records Run which.co.uk? Confirm an email address at the domain and 1 point is added to its truth score. [Prove you run this website](https://truthsignal.com/claim/which.co.uk) Lets our checker read it Not added yet +1 possible What we check: That its robots.txt file names our checker, TruthSignal, and lets it read the whole website. When we check: On every check. The point stays only while the file allows it. Points: 0 of 1 added Source which.co.uk/robots.txt Run which.co.uk? Let our checker read the whole website and 1 point is added to its truth score. [Prove you run this website](https://truthsignal.com/claim/which.co.uk) Points added to its truth score 0 of 5 Is this your business? Get the code to show this score on your website Truth Signal truth score for which.co.uk The badge always shows your latest score and links to your full report. Something wrong on this report? [Dispute this page](https://truthsignal.com/contact?dispute=which.co.uk). Tell us which row or warning is wrong and why. A person checks it against its source and replies by email; the report stays as it is until then. ### Change over time - Truth score - Social Followers - Data points [Register / log in to view](https://truthsignal.com/login?to=/business/which.co.uk%23change) ### Similar businesses Other businesses in Reviews and ratings site and related categories, those most like Which? first. 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Licence Truth Signal terms: free to read and quote with a link back; bulk copying, data sets, resale, white-label and model training need the paid API plan (https://truthsignal.com/terms). The same report as JSON: https://truthsignal.com/business/which.co.uk.json