The library
Every case study and article Castle has published.
The complete catalogue — 33 pieces of client work and 209 articles across 13 categories. Copy is taken from the live site; every figure quoted is one the case study publishes.
Everything here opens on this site. This index is the one place all of it is gathered — the listings show a page at a time, this shows the lot.
Case studies
33 pieces of work, each with the number it published.
Fizzy Whiz
Fizzy Whiz is an online retailer selling a vast range of wholesale supplies to small businesses to make their own bath, body and cleaning products. They came to Castle…
126% Sales, last 7 daysGeepas
Geepas is a global brand selling a wide range of electrical, homewares, kitchenware and beauty/personal care appliances. They came to Castle looking for help to maximise…
239% Conversion rate, year on yearNicholas Charles Fragrances
Nicholas Charles Fragrances is an online brand offering fragrances inspired by designer scents for an affordable price. They came to Castle looking for help to grow…
305% Sales, last 90 daysOprimaze
Oprimaze is a natural weight loss product in the form of a nasal spray developed to curb your appetite using a chemical compound that releases GPL1. They were a…
44% Conversion rate, 90 daysHome and Garden Extras
Home and Garden Extras is an online store selling gardening supplies and related products. They came to Castle looking for help increasing their overall revenue and…
650% More leadsBiFold Local
BiFold Local are a bifold door manufacturing and installation company based in Liverpool. They supply and install high-quality bifold doors to people throughout the UK.
53.85% Revenue, 2021Supreme CBD
Supreme CBD are one of the UK’s leading suppliers of high-quality CBD products. Endorsed by athletes, Supreme CBD products are third-party lab tested and CBD content…
43% Sales vs previous yearSteven Brown Art
Steven Brown Art is an online eCommerce art and lifestyle brand, selling a wide range of products depicting paintings from iconic Scottish artist Steven Brown. Steven…
250% Sales, year oneSwan
Swan is a UK-based homeware and appliance brand with a strong British heritage dating back to the 1920s. Castle was required to generate more traffic and increase sales…
600+ Leads in one monthHNK Solicitors
HNK Solicitors are a specialist civil litigation firm, based in Liverpool. HNK required a complete rebrand, alongside a brand-new website to facilitate lead generation.
Rebrand Identity and guidelinesDSG Accountants
DSG is one of the North West’s leading independent accountancy and advisory firms for small, medium and larger businesses, private clients who serve the not-for-profit…
Campaigns Bespoke advertising designHilton
The prestigious Hilton Hotel, based in Liverpool ONE, asked Castle to develop and design several bespoke advertising campaigns, designed to modernise their existing…
21% Conversion, from 8%Chemist4U
Chemist4U is an online pharmacy who came to Castle needing a safe, secure, and customer-friendly eCommerce site with an advanced filtering system to enable users to…
11,900% Ecommerce sales, year oneKays Medical
Kays Medical is a UK-based occupational health provider, national and international trainer, and distributor of bespoke medical services and supplies. They came to…
Collateral Full corporate redesignGraham Construction
Graham Construction is a long-established UK construction company who work with a range of clients across the public and private sectors. Castle provided Graham…
Farnborough Air Show 2016 launchBradfor
Bradfor Ltd are a Northern Ireland based company who specialise in manufacturing bespoke aircraft seat covers as well as several other components. They came to Castle…
120% Sales, 2016 to 2017Liverpool Business News
Liverpool Business News, formerly YB News, is an online news platform to promote business news to a local and wider audience. They came to Castle for a complete rebrand…
One voice Group-wide rebrandHops & Barley
Hops & Barley are a wholesale alcohol and soft drinks supplier who provide a wide range of beverages to trade outlets throughout the North West. Castle were asked to…
80% Of clinical admin automatedMillennium Pharmacy
Millennium Pharmacy is a pharmacy company who came to Castle as they needed an industry-specific web portal designing and building, separate from their high-street…
Monthly Email campaignsMSB Solicitors
MSB Solicitors is a Liverpool-based full service law firm. They required an email marketing service that included the design, creation and management of their monthly…
120% Sales, 2015 to 2016Sterling Services
Sterling Services is a northwest based construction company who came to Castle looking for a complete rebrand. They needed to present a unique and bespoke image to stand…
12,000 SubscribersShave & Subscribe
Shave & Subscribe is an online subscription service that regularly sends shaving products directly to their customers homes.
150% SalesPrivate Label Supplements
Private Label Supplements is an online supplement store that provides a bespoke service for their clients. They came to Castle looking for a complete revamp of their…
35% Above forecast salesDoctor4U
Doctor4U is an online pharmacy that distributes prescribed medicines to thousands of customers throughout the UK. They required an online eCommerce platform to…
45,000 Instagram, from 3,000365 Gainz
365 Gainz is an online fitness app offering tailored fitness programmes for a monthly subscription fee. Castle was able to rebrand the business, create a…
200% DonationsInvisible Wounds
Invisible Wounds is a specialist support charity who work with survivors of trauma. They required a highly accessible website and a new online brand identity to increase…
25% New revenueDMF Wakefield
DMF Wakefield is an online platform that provides and sells over 5000 consumables for a range of workshop services. Castle designed and built DMF Wakefield a new…
37% More leads in one monthStep Forward Homes
Step Forward Homes is a not-for-profit housing company who came to Castle as they needed a marketing agency who could design and build a new easy-to-use website as well…
30+ Liverpool restaurants stockingCatalan Wines
Catalan Wines are a company who specialise in the distribution of rare and exclusive wines from the Cataluña region of Spain to customers across the UK. Catalan Wines…
Rebrand Full identityPharmaPac
PharmaPac is a significant turnkey solution provider supporting the unique requirements of some of the worlds largest pharmaceutical, consumer healthcare and veterinary…
150% Sales, 2015 to 2016Trade Garage Equipment
Trade Garage Equipment is a long-established business that supplies and installs top quality garage equipment to the automotive industry. Castle provided Trade Garage…
20 years Of high-profile projectsACS Construction
ACS Construction is one of the North West’s leading civil engineering and building contractors. Castle provided them with a complete rebrand which reflected their…
Bespoke Recruitment platformKingsley Recruitment
Kingsley Recruitment are property recruitment specialists based in the North West. They came to Castle requiring a completely bespoke recruitment website for their…
Articles
209 articles, by category.
GEO, AEO and AI SEO first — the work that decides whether an assistant names you — then the rest of the archive.
Featured
29- PPC for ecommerce: the ultimate guide 17 Sep 2024 · 14 min
- Castle International help Swan to launch the world’s first Alexa kettle 21 Mar 2023 · 2 min
- ChatGPT is making your job obsolete – or is it? 10 Feb 2023 · 17 min
- Everything you need to know about NFTs 20 Jan 2023 · 25 min
- Marketing in the metaverse: A comprehensive guide 15 Nov 2022 · 48 min
- The next generation of globalisation: can we protect profit and the planet? 31 Oct 2022 · 20 min
- Automating creativity: Will AI replace artists? 20 Oct 2022 · 30 min
- Protecting young people’s mental health in the pandemic and beyond 10 Oct 2022 · 5 min
- Closing the digital divide: How marketers can drive inclusion 5 Sep 2022 · 17 min
- Socially Responsible Marketing: Catalyst for Change or Capitalist Con? 12 Aug 2022 · 18 min
- TikTok 101 – How marketers can harness the power of TikTok 8 Jun 2022 · 9 min
- Influencers are spearheading the mental health revolution 13 May 2022 · 20 min
- Can digital marketing confront its carbon footprint? 22 Apr 2022 · 12 min
- International Women’s Day 2022: #BreakTheBias 8 Mar 2022 · 12 min
- Beware the expensive false promises of bad marketing agencies. 9 Mar 2020 · 14 min
- Five films every sales person should watch 4 Oct 2019 · 4 min
- SPOTLIGHT: Factory Supplements 4 Jun 2017 · 2 min
- Spotlight: Trade Garage Equipment 2 Feb 2017 · 3 min
- Spotlight: Catalan Wines 2 Feb 2017 · 2 min
- Spotlight: Sterling Services 2 Feb 2017 · 2 min
- Spotlight: Bradfor 2 Feb 2017 · 2 min
- Spotlight: Essential Ormskirk 2 Feb 2017 · 2 min
- Spotlight: Shave & Subscribe Magento Web Design 2 Feb 2017 · 2 min
- Spotlight: Chemist4U 2 Feb 2017 · 2 min
- Spotlight: Private Label Supplements 2 Feb 2017 · 2 min
- Spotlight: DMF Wakefield 2 Feb 2017 · 2 min
- Spotlight: Kingsley Recruitment 2 Feb 2017 · 2 min
- Spotlight: Millennium 1 Feb 2017 · 2 min
- Spotlight: Doctor 4 U 1 Feb 2017 · 2 min
News
58- Elon Musk is buying Twitter – so what happens next? 28 Apr 2022 · 3 min
- The mental health impact of remote working 12 Jul 2021 · 10 min
- Our rebrand story: How we became Castle 21 Jun 2021 · 6 min
- The European Super League: could no one predict the backlash? 30 Apr 2021 · 10 min
- Georgina Currall: ‘I can be a mother and a businesswoman’ 10 Mar 2021 · 11 min
- Meet our digital marketing apprentices! 12 Feb 2021 · 5 min
- Meet our social media, social ads and creative content apprentices! 11 Feb 2021 · 6 min
- Meet our content marketing apprentices! 10 Feb 2021 · 2 min
- Meet our email, web admin and SEO Castle apprentices! 9 Feb 2021 · 4 min
- Meet our affiliate marketing apprentices! 8 Feb 2021 · 4 min
- Persuasion Marketing: How Do Marketers Persuade Customers? 14 Dec 2020 · 5 min
- 10 ways to get more Google Reviews for your business 16 Nov 2020 · 7 min
- Genius marketing campaign by Burger King the ‘Stevenage Challenge’ makes Stevenage FC world-famous 2 Oct 2020 · 6 min
- Top 10 signs you need to overhaul your digital marketing strategy 14 Aug 2020 · 11 min
- Advantages and disadvantages of Facebook marketing 14 Jul 2020 · 7 min
- Why content marketing is vital during a crisis 9 Jun 2020 · 4 min
- Branding in Marketing 1 Jun 2020 · 6 min
- Why should you outsource your new business development? 24 Apr 2020 · 4 min
- How will 2020 reshape and influence the B2B market? 23 Apr 2020 · 3 min
- How B2B businesses can successfully grow their sales with effective lead generation 3 Apr 2020 · 9 min
- Support For Business With Magento 1 Ends in 4 Months 24 Jan 2020 · 3 min
- 8 quick sales presentation tips 9 Sep 2019 · 7 min
- Voicemails: can they help make sales? 2 Sep 2019 · 4 min
- 3 ways to start sales meetings the right way 27 Aug 2019 · 4 min
- How to re-engage old leads 20 Aug 2019 · 2 min
- A simple guide to writing a LinkedIn article 19 Aug 2019 · 2 min
- Bad Agencies and False Promises are pandemic. How do businesses avoid them? 6 Aug 2019 · 14 min
- SALES: THE GOOD, THE BAD AND THE UGLY 20 Jun 2019 · 1 min
- SALES TRAINING: WINNING MAJOR BUSINESS 25 Mar 2019 · 4 min
- How You Can Improve Customer Experience 4 Mar 2019 · 2 min
- Top Marketing Trends for 2019 18 Feb 2019 · 3 min
- 7 WordPress Plugins you need to try 4 Feb 2019 · 2 min
- How Your Website Can Make You More Money 1 Feb 2019 · 1 min
- How To Use Facebook Advertising To Get Conversions 28 Jan 2019 · 2 min
- Marketing Boring Stuff 20 Dec 2018 · 4 min
- How to optimise your content for mobiles 12 Dec 2018 · 2 min
- MiHub: Fishing for Whales – making larger clients your catch of the day 4 Oct 2018 · 1 min
- Leveraging Other People’s Equity 15 Aug 2018 · 1 min
- Uncover the secret to making your business safer, more productive and ready for growth… 15 Aug 2018 · 1 min
- What is Brand Salience? 3 Aug 2018 · 5 min
- Google 2018 algorithm, what does it mean? 3 Aug 2018 · 4 min
- 9 Red Flags to Consider when Choosing a Marketing Agency 24 Apr 2018 · 3 min
- How Digital Marketing has evolved 21 Mar 2018 · 6 min
- Is your Marketing GDPR Ready? 28 Feb 2018 · 3 min
- The Top 10 Trends you Need to Look Out For in 2018 16 Feb 2018 · 3 min
- How to incorporate digital media and technology to multiply the influence of digital marketing 16 Feb 2018 · 5 min
- General Data Protection Regulation: What Europe’s New Privacy Law Means for Email Marketers 14 Feb 2018 · 3 min
- Data Protection – what does the GDPR mean for SME’s? 12 Feb 2018 · 4 min
- What Does the General Data Protection Regulation (GDPR) Mean for E-Commerce Businesses? 9 Feb 2018 · 4 min
- 4 web design tips to increase your sales 19 Jan 2017 · 4 min
- 10 best ways to get the most out of LinkedIn 20 Jul 2016 · 3 min
- 10 Things You Need To Have On A Business Card 13 Jul 2016 · 3 min
- 10 Amazing Tactics For Your Online Store 20 Jun 2016 · 3 min
- 10 Things a Website Must Have 16 May 2016 · 3 min
- The benefits of getting help from Outsourced marketing companies 13 Oct 2015 · 4 min
- Six Musts with Pinterest 22 Mar 2015 · 4 min
- Market your business on a shoestring budget 22 Mar 2015 · 6 min
- Get Started with Goal Setting in Five Step 22 Mar 2015 · 4 min
Marketing
24- Why paid advertising is no longer optional in 2026, and what brands are getting wrong 24 Mar 2026 · 5 min
- Why digital marketing feels harder than it used to, and what still works 23 Feb 2026 · 4 min
- Why your website is holding back your digital marketing, even if traffic looks fine 16 Feb 2026 · 5 min
- Choosing a digital marketing agency in the UK, why location still matters more than people admit 3 Feb 2026 · 4 min
- How to choose a digital marketing agency in the UK, and what to avoid 2 Feb 2026 · 4 min
- How digital marketing actually works in 2026, and why most businesses are still using outdated strategies 2 Feb 2026 · 6 min
- Why your marketing stopped working in 2026 (and what actually fixes it) 28 Jan 2026 · 6 min
- Why Liverpool Has Become One of the UK’s Smartest Cities for Digital Marketing 26 Jan 2026 · 5 min
- Marketing agency UK, what businesses should actually look for in 2026 9 Jan 2026 · 4 min
- Why the fragmented agency model is quietly breaking down in 2026 2 Jan 2026 · 8 min
- January strategy: what brands should actually focus on when the noise dies down 28 Dec 2025 · 3 min
- Ecommerce is Changing Fast, and 2024 Proved It 8 Dec 2025 · 4 min
- What to Expect in Early 2026: The Marketing Shifts Already Taking Shape 21 Nov 2025 · 4 min
- The Future of AI in Digital Marketing: What It Means for Brands in 2026 18 Nov 2025 · 4 min
- How data-led decision making transforms your marketing ROI 6 Nov 2025 · 6 min
- Why your brand needs a full digital marketing partner in 2025 28 Oct 2025 · 5 min
- The 10 biggest digital marketing mistakes businesses make in 2025 (and how to avoid them) 21 Oct 2025 · 4 min
- Why a full-service digital marketing agency delivers better results than single-channel solutions 1 Oct 2025 · 6 min
- Are Facebook ads worth it for my business? 20 Aug 2024 · 14 min
- 5 reasons you need a Google Ads agency to run Google Ads for your business 30 Jul 2024 · 12 min
- 11 red flags to look out for when hiring a marketing agency 29 May 2024 · 18 min
- Battle of the bots: Which AI-powered chatbot is the most effective tool for digital marketers? 24 May 2023 · 26 min
- A Marketer’s Guide to April Fool’s Day Campaigns 31 Mar 2022 · 6 min
- Environmental marketing: The possibilities and pitfalls of turning your brand green 8 Sep 2021 · 23 min
SEO
16- How to take advantage of GEO in 2026 11 Dec 2025 · 6 min
- Why GEO Matters More Than SEO in 2026 2 Dec 2025 · 5 min
- Duplicate Meta Descriptions: How harmful are they? 19 Oct 2021 · 5 min
- How long does SEO take to work? 15 Oct 2021 · 8 min
- How to track SEO 1 Aug 2021 · 10 min
- What are the different SERP features? 18 Jul 2021 · 9 min
- What is bounce rate and what does it mean for SEO? 5 Jul 2021 · 9 min
- SEO Keywords – which keywords should you target and why? 22 Jul 2020 · 6 min
- 5 ways to audit SEO on your eCommerce website 30 Jun 2020 · 5 min
- The importance of SEO 28 May 2020 · 4 min
- How to get your website to the top of Google 1 May 2020 · 5 min
- The ultimate guide to proofreading 14 Apr 2020 · 7 min
- How to Optimise your Landing Pages 21 Jan 2019 · 2 min
- Tricks to Help Lower your Bounce Rate 26 Apr 2018 · 4 min
- 8 Reasons Why SEO is Important 30 Sep 2016 · 4 min
- 5 ways to use Google Analytics to maximize SEO 29 Jun 2016 · 3 min
Social
16- Paid media in 2026, how Google, social, and ecommerce advertising actually work together 19 Feb 2026 · 4 min
- How paid social media advertising works in 2026 6 Jan 2026 · 8 min
- Paid social vs organic: why the smart money is on performance marketing 23 Oct 2025 · 5 min
- How to schedule a Facebook post 12 Oct 2021 · 6 min
- How to take good Instagram photos? 30 Sep 2021 · 6 min
- How to change the page name on Facebook 12 Aug 2021 · 3 min
- How to Add Multiple Photos to an Instagram Story 5 Aug 2021 · 3 min
- Who to follow on Instagram: An insight into the best Instagram accounts 30 Jul 2021 · 4 min
- How to grow your Instagram account 21 Jul 2021 · 5 min
- How to get verified on Instagram 9 Jul 2021 · 4 min
- Colin vs. Cuthbert: social media management at its finest 20 Apr 2021 · 3 min
- Viral TikTok: Little Moons and TikTok Marketing 26 Mar 2021 · 3 min
- Top 10 tips for a great christmas social media campaign 25 Nov 2020 · 8 min
- Using Social Listening To Your Advantage 25 Feb 2019 · 2 min
- How effective is social media marketing? 21 Dec 2018 · 5 min
- How to generate organic traffic in a limited market 11 Dec 2018 · 3 min
Web
10- The future of eCommerce marketing in 2025 and beyond 23 Oct 2025 · 6 min
- How to create a website design brief 30 Apr 2020 · 8 min
- Website quality assurance – How to QA a website 23 Apr 2020 · 7 min
- Some Really Good Reasons Why You Shouldn’t Build Your Own Website 3 Aug 2018 · 6 min
- 10 Tips for Web Design That Drives Sales 18 Apr 2018 · 4 min
- Essential Elements Every Homepage Should Have 12 Apr 2018 · 6 min
- The Anatomy of the Perfect Sales Page 9 Apr 2018 · 4 min
- Web Design Trends – 10 to Watch for in 2018 15 Feb 2018 · 4 min
- Fall in love with your website again – time for a website refurb! 7 Feb 2018 · 6 min
- 10 Things You Must Do Before Launching a Website 29 Jun 2016 · 3 min
GEO
11- The Top 10 GEO, AEO & AI SEO Agencies in the UK 1 Sep 2026 · 7 min
- ChatGPT Business Ranking Requires These 10 Essential Tactics 26 Aug 2026 · 8 min
- AEO, GEO and AI SEO: The 2026 Glossary of AI Search Terminology 18 Aug 2026 · 6 min
- What Is AI Search Optimisation? A Practical Guide for UK Businesses 13 Aug 2026 · 6 min
- Generative Engine Optimisation vs Traditional SEO: What Actually Changed in 2026 10 Aug 2026 · 5 min
- The complete guide to ChatGPT ads (2026) 21 Jul 2026 · 25 min
- Why Most SEO Strategies Are Quietly Failing in 2026 (And What to Do Instead) 3 Apr 2026 · 11 min
- GEO: why generative engine optimisation is the future of digital marketing, and how brands need to adapt now 18 Mar 2026 · 6 min
- SEO in 2026, what still works, what no longer does, and how search has really changed 5 Feb 2026 · 5 min
- GEO and SEO in 2026: how search really works now, and why most brands are already behind 24 Jan 2026 · 8 min
- Why paid ads and GEO now work as one system, not two strategies 18 Jan 2026 · 4 min
Design
15- How to make a good design portfolio? 26 Oct 2021 · 5 min
- How is animation used in advertising? 13 Oct 2021 · 4 min
- What is corporate branding? 6 Oct 2021 · 4 min
- What is product branding? 28 Sep 2021 · 8 min
- How to increase the resolution of an image 20 Aug 2021 · 3 min
- How to increase the resolution of an image without Photoshop 10 Aug 2021 · 3 min
- How to make an animation in Photoshop 28 Jul 2021 · 3 min
- How to trademark a logo in the UK 14 Jul 2021 · 3 min
- Top 5 Innovative Design Trends For 2021 7 Jan 2021 · 5 min
- Great Rebranding Examples 22 Jul 2020 · 7 min
- Graphic Design Trends 2020: how have they changed throughout the year? 1 Jul 2020 · 6 min
- Why investing in a professionally designed logo is important 24 Jun 2020 · 6 min
- Secrets to Designing the Perfect Brand 9 Apr 2018 · 5 min
- Print and Graphic Design are Shaping Up for a Stimulating 2018 18 Feb 2018 · 3 min
- How to provide the best graphic design service: Kays Medical 2 Feb 2017 · 2 min
PPC
5- How Google Ads actually work in 2026, and why most accounts are quietly wasting money 29 Jan 2026 · 6 min
- The ROI of eCommerce SEO and paid advertising working together 31 Oct 2025 · 5 min
- What are the key success metrics for PPC? 22 Aug 2021 · 3 min
- What is Quality Score in Google Ads? 23 Jul 2021 · 4 min
- How to set up AdWords remarketing 11 Jul 2021 · 3 min
Affiliate
8- Castle partners with Flight Centre to maximise revenue through affiliate marketing 27 Jun 2022 · 5 min
- How many followers do you need to be an influencer? 28 Oct 2021 · 8 min
- How to monetise Instagram 19 Aug 2021 · 4 min
- Getting started with affiliate marketing 25 Jul 2021 · 6 min
- How to find influencers for affiliate marketing 15 Jul 2021 · 6 min
- How to become a successful affiliate in a fast-growing market 13 Nov 2020 · 2 min
- Why should your business use affiliate marketing to grow your brand? 10 Aug 2020 · 7 min
- What is Affiliate Marketing and how does it work? 15 Jan 2019 · 2 min
Events
4Uncategorised
11- Answer Engine Optimisation Explained: How to Get Cited by AI Assistants 25 Aug 2026 · 6 min
- SEO vs GEO: Which One Does Your Business Actually Need? 5 Aug 2026 · 6 min
- Why Manchester has become one of the most important cities for UK business growth 6 Mar 2026 · 7 min
- 10 signs your digital strategy is outdated 26 Feb 2026 · 4 min
- Ecommerce marketing in 2026, why traffic alone no longer converts 12 Feb 2026 · 5 min
- GEO explained, how brands actually show up in AI search results in 2026 9 Feb 2026 · 6 min
- What businesses actually mean when they search for a marketing agency in 2026 15 Jan 2026 · 6 min
- How do I find a trustworthy full-service marketing agency? 12 Jan 2026 · 5 min
- Paid social media in 2026: what actually works now 24 Dec 2025 · 5 min
- Why working with a full service agency actually gives you faster results in 2025 16 Dec 2025 · 3 min
- Leading with purpose: How brands can navigate the cost of living crisis 4 Apr 2022 · 13 min
Video
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