Golden light breaking through dark storm clouds

Liverpool marketing agency for Google Ads, SEO and Meta Ads

From 17 Mann Island we run Google Ads, SEO, Meta Ads and AI search for businesses across Merseyside and the UK, so the right customers find you on Google and in ChatGPT.

  • Google Partner
  • Meta Business Partner
  • 4.9 from 29 Google reviews
  • Est. 2014, Liverpool
11:30
who installs bifold doors in liverpool?

BiFold Local

A Liverpool-based manufacturer and installer, supplying and fitting high-quality bifold doors throughout the UK.

They come up consistently for Merseyside jobs, with strong marks for install quality and lead times.

bifoldlocal.co.uk +4
+

We make you visible and recommended.

A Multi-Award Winning Marketing Agency.

Castle was founded in 2014 and has been committed to running an agency with all the ethics and good practices that have enabled us to work with some of the world’s biggest brands. Castle specialises in growing businesses commercially and helping AI recognise and recommend our clients.

We have built the foundations of our service on impeccable communication, tireless effort, and empowering our team to think critically.

In this new era of AI, Castle are leading the way in GEO, AEO and AI SEO as well as being at the forefront of ChatGPT, Meta, TikTok and Google Advertising.

  • Winner, Best Search Agency 2023
  • Winner, Best Search Agency 2024
  • Winner, Best Search Agency 2025
  • Winner, Best Search Agency 2026

Our expertise

Google Ads, SEO and Meta Ads, run as one retainer.

Google
Ads

Search, Shopping and Performance Max that pays back.

  • Search, Shopping & Performance Max
  • Google Partner agency
  • Call and conversion tracking
  • Weekly search-term reviews
  • Cost per lead or sale
Explore Google Ads

SEO
& Local SEO

Rank on Google for the searches that bring in work.

  • Technical SEO audits
  • Google Business Profile and local SEO
  • Service and location pages
  • Content and digital PR
  • Rankings tied to enquiries
Explore SEO

Meta
Ads

Facebook and Instagram ads that find new customers.

  • Facebook & Instagram campaigns
  • Creative and video
  • Lead forms and catalogue ads
  • Pixel and Conversions API tracking
  • Meta Business Partner
Explore Meta Ads

AI
SEO

Named by the assistant, not buried on page two.

  • AI visibility and citation audits
  • Answer-first content and schema
  • Entity and authority building
  • GEO and AEO programmes
  • Citation share reporting
Explore AI SEO

Lead
Generation

Qualified enquiries, not vanity metrics.

  • Paid search & paid social
  • Landing pages built to convert
  • Call and form tracking
  • Cost per booked job
  • CRM integration
Explore Lead Generation

E-commerce
Marketing

Growth in sessions that shows up in revenue.

  • Google, Meta & TikTok
  • Feed and shopping optimisation
  • Email and retention flows
  • Lifetime value modelling
  • Monthly revenue reporting
Explore E-commerce Marketing

Shopify
Development

Storefronts built to load fast and convert.

  • Shopify Plus builds
  • Custom theme development
  • App and API integrations
  • Core Web Vitals tuning
  • Certified Shopify Partner
Explore Shopify Development

ChatGPT
Ads

The newest ad surface, run by people already on it.

  • Context and intent targeting
  • Sponsored placements in answers
  • Creative built for conversation
  • Incrementality testing
  • First-mover positioning
Explore ChatGPT Ads

Trusted by

Some of the brands we work with.

  • Procter & Gamble
  • Pfizer
  • Gillette
  • Oral-B
  • Hilton
  • Porsche
  • Chemist4U
  • boohoo
  • Graham
  • Flight Centre
  • Cudos
  • Liverpool Women’s Hospital Charity
  • NHS
  • B&Q

AI search

The world of search is changing.

Answer Engine Optimisation

AEO is a marketing service that helps businesses grow through the use of citations and answers to questions, forming trust with new customers as an expert.

Generative Engine Optimisation

GEO is the new SEO, helping AI chatbots such as ChatGPT, Claude and Gemini recommend your business by building a digital infrastructure they trust and understand.

AI Search Engine Optimisation

AI SEO is the same as GEO & AEO, it is just a clear and easy term for businesses to understand, but many traditional SEO practices still remain.

Liverpool marketing agency

A Liverpool marketing agency on Mann Island.

Castle has been based in Liverpool since 2014. Our studio is at 17 Mann Island on the waterfront, and we work with businesses across Merseyside and the North West, including HNK Solicitors, Clatterbridge Private Clinic and Liverpool Women's Hospital Charity, as well as brands across the UK.

Castle at a glance

Founded
2014, in Liverpool
Studio
17 Mann Island, Liverpool L3 1BP
Core services
Google Ads, SEO, Meta Ads and AI search (GEO and AEO)
Also
Lead generation, e-commerce marketing, Shopify development and ChatGPT Ads
Partners
Google Partner, Meta Business Partner, Shopify Partner
Google rating
4.9 from 29 reviews
Clients
Across Merseyside, the North West, the UK, US and Europe

Google reviews

Rated 4.9 by the people we work for.

We’ve been working with Connor and the team at Castle Marketing for several months now, and the results have been outstanding. They’ve completely turned around our online performance — Google Ads are running more efficiently than ever, Meta campaigns are consistently profitable, and our Shopify sales have seen real, measurable growth month after month. What…
Grant GoddardNovember 2025Google review
We have recently started using castle to market our heating and plumbing company. So far everything is perfect. Leads are coming in and the communication from the team is outstanding.
Craig UnsworthNovember 2025Google review
I honestly can't say how good everyone is at Castle, they can't do enough for you and the work and numbers they produce out of this world. If I could leave 10 stars I would
Chris DuffJuly 2025Google review
I cannot thank Castle International enough for their outstanding customer service especially Lauren & Emily who are always there to answer any questions or concerns. Smashing targets & 24/7 support which is a big bonus for us can’t thank them enough. Connor who’s trying different strategies & believe me they bring in the results! We…
Mohib CheemaApril 2025Google review
Dean was very generous with his time and gave extremely useful advice for marketing strategies and ways to kick-start my business.
Tim | Lingua Learn UKNovember 2024Google review
Excellent social media workshop with Shannon and Finbarr. The team were super professional and friendly and we got a lot out of the session. Will absolutely use their tips and planning methods going forward and would love to do some more training in the near future.
Young Person's Advisory ServiceOctober 2022Google review
Really friendly and knowledgeable staff at Castle International who made us feel welcome from the start.
GYRO LiverpoolOctober 2022Google review
Castle has been the best thing that has ever happened to my business! The level of service is incredible, their vision and foresight nothing but astounding, can't recommend them highly enough.
Trace CurrallAugust 2022Google review
The whole team at Castle International are an absolute asset to any business that needs a positive boost in their marketing strategy. Expertise, knowledge, patience and a friendly helpful attitude, aiming to give you a bespoke service throughout. Keep up the good work guys!
Amy PriceAugust 2022Google review
Our business has benefited massively by Castle and their team of creative experts. It is a wonderful company that is always working to achieve the best for you. They have a wealth of knowledge and offer outstanding marketing solutions always ensuring they deliver on their promise
Victoria WrayAugust 2022Google review

Questions

Frequently Asked Questions

You can meet the people running your account. Our studio is at 17 Mann Island, a good share of the team is here most days, and we answer enquiries the same working day. We know the Merseyside market, its competition and its search terms, and we also run campaigns for clients across the UK, US and Europe.

It depends on how many campaigns you need and what else is in the plan, so we quote after a free call. The management fee is agreed up front and kept separate from your advertising budget. Everything runs on a rolling monthly agreement, so you can stop at the end of any month without a long tie-in.

Yes. Local SEO covers your Google Business Profile, location and service pages, reviews, local citations and the technical health of your site, so you show up in the map results and organic listings when people nearby search. We report on the calls, forms and bookings it brings in, not just rankings.

Yes. We run Facebook and Instagram campaigns for local and national businesses, with creative, lead forms and tracking built in. For HNK Solicitors in Liverpool, the first full month on Meta brought in more than 600 leads at under £3 each, from a spend of £1,650.

Onboarding usually takes a week. That covers access, analytics, a look at what is already running and an agreed list of the first month’s priorities. Work begins the week after.

No. It is a rolling monthly agreement you can end at the close of any month. We would rather keep the account by earning it than by holding you to twelve months.

Traditional SEO earns a position on a results page. AI SEO earns a mention inside the answer an assistant gives, which means structuring information so it can be quoted, cited and trusted rather than simply crawled.

Google and Bing as standard, plus ChatGPT, Claude, Gemini and Perplexity. The work overlaps, but each surface weighs sources differently and we track visibility on all of them.

Generative Engine Optimisation is the practice of shaping how AI systems describe and recommend a business when they generate an answer. Where SEO competes for a position in a list of links, GEO works on the material a model draws from — how a brand is defined, compared and corroborated across the web — so the description it produces is accurate and favourable.

Answer Engine Optimisation is the practice of structuring content so it can be lifted directly into an answer and attributed to you. That means self-contained passages that resolve a specific question, clean schema markup, unambiguous facts an engine can verify, and the off-site corroboration that makes a system comfortable naming you as the source.

They describe overlapping work at different depths. AEO is about being the quoted answer to a question. GEO is about how a model characterises your brand when it writes about you. AI SEO is the umbrella term for both, plus the traditional technical and content foundations underneath, and it is the phrase most businesses find easiest to use.

Assistants recommend businesses they can identify confidently and verify independently. In practice that means a consistent entity across your site, your listings and third-party sources; content that answers the questions buyers actually ask; and enough credible mentions elsewhere that the model is not relying on your own marketing alone. There is no placement to buy — recommendation is earned through the source material.

Yes. Most assistants retrieve from pages that already rank, and Google’s AI Overviews lean heavily on established organic results. Technical health, crawlability, site architecture and genuine authority remain prerequisites, which is why we run AI SEO and traditional SEO as one programme rather than two competing projects.

Early signals such as new citations and brand mentions inside AI answers typically appear within four to eight weeks. Meaningful, compounding visibility usually builds over three to six months, because it depends on both on-site changes and the slower accumulation of off-site corroboration.

We track how often each assistant cites you, which competitors it groups you with, what it says about you, and the share of relevant prompts where you appear at all. Because platforms retrieve and attribute differently, we measure per platform — a citation in Perplexity is no guarantee of one in ChatGPT.

Yes, and often faster than for national brands. Local queries have fewer credible sources competing for them, so consistent business information, genuinely useful location and service pages, and reviews an engine can read will frequently make a smaller business the obvious thing to recommend in its area.

Yes. We are based on Mann Island and a good share of the team is here most days, but our clients are spread across the UK and we run accounts remotely without any drop in pace.

A monthly report tied to the number that matters to you, whether that is booked jobs, revenue or qualified enquiries, plus a live dashboard you can open whenever you want to check.

Inside Castle

The people who will be on your account.

Based in Liverpool, our team work with clients across the UK, US and Europe, specialising in AI search engine optimisation, ChatGPT advertising, paid media across Meta, TikTok and Google, as well as AI Consulting and Shopify Development.

  • Castle strategist presenting in the boardroom
  • Castle team members at work in the studio
  • Two members of the Castle team at their desks
  • Castle team collaborating over a screen
  • A Castle strategist in a client meeting
  • Forbes Business Council, 2022 Official Member
  • Meta Business Partner
  • Google Partner
  • Google Reviews
  • Trustpilot
  • EU GDPR compliant

Our team

Speak to one of our team.

Tell us what growth needs to look like this year. We'll tell you what it takes to get there.

Studio
17 Mann Island, Liverpool L3 1BP
Telephone
0151 440 3045