Diadem
Diadem Technologies offers a range of web hosting solutions, including shared hosting, VPS, WordPress hosting, and managed cloud services. With over 20 years of experience, the company is recognized for its reliable infrastructure and is ISO 27001 certified, ensuring a high standard of security and data management. Their managed cloud solutions cater to businesses looking for scalable and efficient hosting options. Diadem is suitable for small to medium-sized enterprises seeking dependable hosting services with a focus on security and performance.
Diadem is a web hosting provider based in Kolkata, India, indexed independently on HostList. As of 2026 it holds an HRI of 65/100, a developing signal, combining four equally-weighted components: trust (14/25), profile completeness (15/25), data freshness (25/25), and performance (11/25). Independent customer feedback: 4.9/5 on Google from 156 reviews, 4.4/5 on G2 from 44 reviews. The listing is unclaimed, so directory data comes from public signals only and may lag the latest pricing or plan changes. HostList ranks all 28,000+ active providers by HRI, never paid placements, never affiliate-influenced. Compare Diadem against alternatives in the same segment below, or see hostlist.io/hri for the full methodology.
Share your ranking
Download branded cards for LinkedIn, social banners, and Instagram. Free to share, verified on HostList.
Before You Sign Up
Diadem Technologies offers a range of web hosting solutions, including shared hosting, VPS, WordPress hosting, and managed cloud services. With over 20 years of experience, the company is recognized for its reliable infrastructure and is ISO 27001 certified, ensuring a high standard of security and data management. Their managed cloud solutions cater to businesses looking for scalable and efficient hosting options. Diadem is suitable for small to medium-sized enterprises seeking dependable hosting services with a focus on security and performance.
What Customers Say About Diadem
Share Your ExperienceAggregate scores sourced from third-party review platforms. HostList does not modify or cache individual review content, click through to read on the source.
Frequently Asked Questions About Diadem
What is Diadem's HRI?
Diadem has a HRI™ of 65/100 on HostList.io. HRI is calculated algorithmically from trust signals (Google, Trustpilot, G2 reviews), profile completeness, data freshness, and performance metrics. Providers can improve their score by claiming their profile, keeping data current, and building verified reviews. No host can pay to increase their score.
What type of hosting company is Diadem?
Diadem is classified as a dedicated web hosting company on HostList.io. Use the HostMatch™ tool at hostlist.io/match to describe your project requirements and get a ranked recommendation from 28,000+ hosting providers including Diadem.
Where is Diadem based?
Diadem is headquartered in Kolkata, India. Hosting companies based in India are listed at hostlist.io/hosting/india. Data centre location may differ from company headquarters, check Diadem's own website for server location details.
How does Diadem compare to other web hosting companies?
Diadem can be compared to any other hosting provider using HostList.io's side-by-side comparison tool at hostlist.io/compare. The tool shows both providers' HRI™ breakdowns, sub-scores (Trust, Completeness, Freshness, Performance), and review data side by side. Diadem has a current HRI of 65/100.
What's Happening at Diadem
Diadem Technologies acquires Catchcal web hosting and domain services ... We are delighted to announce the successful completion of the acquisition of Catchcal.
This month, we just finished adding a whole fleet of new servers (16 new nodes to be exact) to our ever-increasing hardware deployments, buoyed by strong
Diadem Technologies joins hands with Plesk to offer #Plesk-powered #webhosting services to its customers. ➡️Know more: https://www.dailyhostnews. com/diadem-
How Diadem's Score Is Calculated
HRI is calculated algorithmically based on publicly available data. It considers trust signals (reviews, ratings), data completeness, freshness of information, and technical performance. No host can pay to improve their score.
Full methodology →