# Rock Solid Knowledge > Secure. Reliable. Ethical. Sustainable. Accessible. Build websites that matter to you with Rock Solid Knowledge. Ready to build a lasting partnership? ## Services - [Umbraco development in Bristol](https://www.rocksolidknowledge.com/what-we-do/umbraco-development): Umbraco CMS web development (Bristol) by Rock Solid Knowledge, an official Umbraco Gold Partner and Umbraco Contributing Partner specialising in secure content management. - [Web development](https://www.rocksolidknowledge.com/what-we-do/web-development): Web development delivering performant, accessible, and responsive websites using the latest web technology, and Umbraco content management. - [Mobile development](https://www.rocksolidknowledge.com/what-we-do/mobile-development): Mobile apps that run on iOS and Android platforms, reducing platform-specific code. - [Security](https://www.rocksolidknowledge.com/what-we-do/security): We have a dedicated security team ensuring everything we build is protected using the latest security protocols and best practices. ## Case studies - [Cornish Mutual: Moving to Umbraco 13](https://www.rocksolidknowledge.com/our-work/cornish-mutual): Rock Solid Knowledge helped Cornish Mutual securely upgrade their Umbraco 8 solution to Umbraco 13. Making their website; secure, supported and safe - [ExplorEarth: Connecting Hubspot CRM and Umbraco Membership Systems with Confidence](https://www.rocksolidknowledge.com/our-work/explorearth): Rock Solid Knowledge helped ExplorEarth securely connect Umbraco and HubSpot, delivering a GDPR-compliant, scalable CRM integration in just 10 days with zero data loss. - [Garden Games Helper Bot](https://www.rocksolidknowledge.com/our-work/garden-games-helper-bot): A customisable, AI-driven, customer service helper bot with Umbraco CMS and Zendesk. - [Developing a strategic partnership](https://www.rocksolidknowledge.com/our-work/housemark): Identity and strategic applications for Housemark. - [Passwordless](https://www.rocksolidknowledge.com/our-work/passwordless): Creating secure campaign emails - [Gloucester History Festival](https://www.rocksolidknowledge.com/our-work/gloucester-history-festival): The Gloucester History Festival is a renowned history festival delivering many events throughout Gloucester during the first two weeks of September. Prior to 2017, the festival had a limited web presence. We were brought in to design and build a content-managed website to raise the profile of the festival. - [Bridgnorth Art Trail](https://www.rocksolidknowledge.com/our-work/bridgnorth-art-trail): Supporting a local organisation to evolve a scavenging collection app into an trail and fitness app. ## Articles - [Locking & async/await](https://www.rocksolidknowledge.com/articles/locking-asyncawait): You may have noticed that the C# compiler gets very upset if you try to use an `await` inside a `lock` statement. There is a reason for this but what if you need synchronization when calling async methods? - [Let's stop the async suffix BS](https://www.rocksolidknowledge.com/articles/lets-stop-the-async-suffix-bs): There is a common pattern that is used in .NET APIs where anything that returns a Task has the suffix Async… - [Is Umbraco Cloud right for your website?](https://www.rocksolidknowledge.com/articles/is-umbraco-cloud-right-for-your-website): When building, upgrading, or migrating an Umbraco website, one of the first decisions is where you'll host it. Discover how Umbraco Cloud simplifies deployments, security, updates and ongoing maintenance. - [Different ways to learn](https://www.rocksolidknowledge.com/articles/different-ways-to-learn): Learning isn’t one size fits all, so offering content in multiple formats, including AI generated audio with tools like NotebookLM, makes learning more accessible for everyone. - [Context engineering for software engineers](https://www.rocksolidknowledge.com/articles/context-engineering-for-software-engineers): Article describes how context engineering aims to hone the output of LLMs by providing good context and following strong, defined processes - [Taking the leap: becoming an Umbraco contributor](https://www.rocksolidknowledge.com/articles/taking-the-leap-becoming-an-umbraco-contributor): Highlights the journey of becoming an Umbraco contributor, overcoming fear, embracing community support and balancing AI's speed with human judgment to drive growth and collaboration. - [Umbraco Contributing Partner award 2025](https://www.rocksolidknowledge.com/articles/umbraco-contributing-partner-award-2025): Rock Solid Knowledge are proud to have been named Umbraco Contributing Partner 2025, our sixth time being recognised for this award - [Rock Solid Knowledge: Carbon Emissions Report 2024–2025](https://www.rocksolidknowledge.com/articles/rock-solid-knowledge-carbon-emissions-report-2024-2025) - [Hackathon vibes: A day of AI, pizza and creativity](https://www.rocksolidknowledge.com/articles/hackathon-vibes-a-day-of-ai-pizza-and-creativity): The Umbraco and web team spent a day exploring what happens when AI takes the lead. Three pairs, three apps, and a reminder that human-first teamwork still drives the best results - [Rock Solid Knowledge Developer Conference 2025](https://www.rocksolidknowledge.com/articles/rock-solid-knowledge-developer-conference-2025) - [Umbraco opening new Bristol office](https://www.rocksolidknowledge.com/articles/umbraco-opening-bristol-office): Umbraco opens a new Bristol office, strengthening ties with Rock Solid Knowledge. As a Gold Partner, this boosts collaboration, energizes the local community, and enhances events like umBristol and Umbraco Spark. - [Music generation with Suno AI](https://www.rocksolidknowledge.com/articles/music-generation-with-ai): Emma explores the realm of music generation with AI using Suno's AI generation tool - [Umbraco Contributing Partner award 2024](https://www.rocksolidknowledge.com/articles/umbraco-contributing-partner-award-2024): Rock Solid Knowledge are delighted to have been awarded the Umbraco Contributing Partner award for the fifth time. - [What's coming in Umbraco 15? Highlights from Umbraco UK Festival 2024](https://www.rocksolidknowledge.com/articles/umbraco-uk-festival-2024): I recently visited the Umbraco UK Festival 2024 at CodeNode in London, hosted by the UK Umbraco Foundation. The event brought together around 300 Umbraco enthusiasts and professionals, and featured various talks, workshops, and networking opportunities. In this article, I will share numerous exciting Umbraco announcements with you. ## Contact us - [Contact us](https://www.rocksolidknowledge.com/contact-us): Get in touch with Rock Solid Knowledge about your next Umbraco, web or mobile app development project ## Sitemaps - [XML sitemap](https://www.rocksolidknowledge.com/sitemap.xml): Includes all crawlable and indexable pages - [RSS feed](https://www.rocksolidknowledge.com/rss): Includes all crawlable and indexable articles