# What does Flag use? Flag (flag.co.uk) shows public evidence of 30 tools, according to runsonwhat (last checked 2026-10-19). - Industry: Management Consulting - Size: 51–200 employees - Based in: London, United Kingdom - Founded: 1984 - LinkedIn: https://www.linkedin.com/company/flag_3 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Motion](https://www.runsonwhat.com/reverse/framer-motion) | Media & UI | Website code | | | [Perplexity](https://www.runsonwhat.com/reverse/perplexity) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | Custom domain | 2018-10 | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Campaign Monitor](https://www.runsonwhat.com/reverse/campaign-monitor) | Marketing | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code | | | [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [Have I Been Pwned](https://www.runsonwhat.com/reverse/hibp) | Security & Compliance | DNS verification records | | | [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records | | ## FAQ ### What tools does Flag use? As of October 2026, runsonwhat has found 30 tools at Flag (flag.co.uk) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, Vimeo and GSAP. Data & Observability: Google Analytics and web-vitals. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Apple Business and Cookiebot. Last checked October 19, 2026. ### What CRM does Flag use? Flag uses HubSpot for its CRM, alongside Zoho and ZoomInfo, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on flag.co.uk. HubSpot is used by 93,942 companies runsonwhat tracks. ### What email provider does Flag use? Flag uses Microsoft 365 for email and office software, alongside Apple Business and Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on flag.co.uk. Microsoft 365 is used by 710,170 companies runsonwhat tracks. ### What does Flag use for customer support? Flag uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 41,822 companies runsonwhat tracks. ### What analytics tools does Flag use? Flag uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on flag.co.uk. Google Analytics is used by 879,787 companies runsonwhat tracks. ### What is Flag's website built with? Flag uses HubSpot CMS for its website, according to runsonwhat (October 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS and code on flag.co.uk. HubSpot CMS is used by 33,216 companies runsonwhat tracks. ### How long has Flag used Zoho? Flag has used Zoho since at least October 2018, going by the first public certificate of the flag.co.uk subdomain that points at Zoho. ### Does Flag use Google Fonts? Yes. runsonwhat found Google Fonts at Flag through Google Fonts code on flag.co.uk. Google Fonts is a Media & UI tool used by 809,839 companies runsonwhat tracks. ### Does Flag use AI tools? Yes. runsonwhat has found Anthropic and Perplexity at Flag; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Flag may use more AI tools than these. ### Which companies have a tech stack similar to Flag's? The companies with the stacks most like Flag's are Leadership Services, ALTR, eos and Manawanui, according to runsonwhat (October 2026). Each shares 7 to 14 tools with Flag, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Flag uses? runsonwhat reads public records only. Of the 30 tools at Flag, 12 were found through code on flag.co.uk, 8 through email records, 7 through DNS records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and flag.co.uk about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/flag.co.uk (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.