Summary
The search engine optimisation services market size has grown rapidly in recent years. It will grow from $90.35 billion in 2024 to $106.9 billion in 2025 at a compound annual growth rate (CAGR) of 18.3%.
One of the most common questions business owners ask is: “How much does SEO cost UK?” The honest answer is: it depends. SEO pricing in 2025 varies widely, depending on your industry, competition, goals, and the type of provider you choose.
With AI-driven marketing, search optimisation is no longer just about keywords and backlinks. It now includes AI-SEO, GEO (geographic optimisation), and AEO (answer engine optimisation), making the cost question even more important.
In this updated guide, we’ll break down the typical SEO costs in the UK for 2025, explain why pricing varies, and show you what you can expect from different service levels, from freelancers to full-service agencies that specialise in AISEO and future-ready strategies.
When trying to budget for SEO, UK businesses need to consider several factors:
In other words, asking “how much does SEO cost UK?” doesn’t have a single answer; it depends on your goals, timelines, and ambition.
Not every business wants ongoing SEO. Sometimes, you need a one-off project:
A few agencies offer pay-for-performance SEO, where fees are tied to rankings or traffic milestones. However, this often comes with a base retainer to cover ongoing costs, and it isn’t common for UK businesses in 2025.
SEO isn’t static, and in 2025, traditional SEO is blending with AI-SEO and AEO (Answer Engine Optimisation).
As AI tools like ChatGPT, Perplexity, and voice assistants dominate, brands need to optimise for AI-driven search environments.
In fact, Gartner predicts that traditional search engine volume will drop by 25% by 2026 because of generative AI, making it essential to optimise not only for Google but also for AI discovery platforms.
To learn more about AEO (AISEO) and GEO, read our blog “AEO/GEO Playbook 2025: Dominate AI Search & Future-Proof”
Tenacious Sales operates globally as Tenacious AI Marketing Global, and their AISEO packages are designed for businesses that want to future-proof their visibility by not only ranking on Google but also in AI-driven results like ChatGPT.
These packages are designed for businesses that want to future-proof their visibility by not only ranking on Google but also in AI-driven results like ChatGPT.
| SEO Type | Typical Cost | Included Services | Best For |
| Basic SEO (Monthly) | £500–£1,500/month | On-page, local SEO, basic keywords | Local businesses/startups |
| Growth SEO (Monthly) | £1,500–£4,000/month | Content, technical SEO, backlinks, reports | SMEs & scale-ups |
| Enterprise SEO (Monthly) | £4,000–£10,000+/month | Full-scale, PR, national campaigns | Large/national brands |
| Project SEO | £1,000–£10,000+ | Audits, migrations, and content campaigns | One-off needs |
| AISEO Light (Tenacious) | £450/month | Schema, FAQs, profile setup | Startups preparing for AI search |
| AISEO Win (Tenacious) | £1,200/month | + LinkedIn, social, voice search | Growing brands |
| AISEO Dominate (Tenacious) | £2,000/month | + PR, backlinks, structured authority | Businesses aiming for AI dominance |
So, how much does SEO cost UK in 2025?
Ultimately, the right investment depends on your goals. If you want to dominate Google alone, traditional SEO still works.
But if you want to appear in AI assistants like ChatGPT and voice search, AISEO and AEO are no longer optional, they’re essential.
If you’re serious about future-proofing your visibility, Tenacious Sales operates globally as Tenacious AI Marketing Global, blending traditional SEO with AISEO, AEO, and GEO.
Whether you’re a startup or a national brand, Tenacious Sales helps you answer the question “how much does SEO cost UK” with transparent, scalable packages.
Book a consultation today and ensure your brand isn’t just searchable, it’s AI-discoverable.
1. How long before I see ROI from SEO?
Typically, 3–6 months for local/basic SEO. National campaigns or AISEO strategies may take 6–12 months for measurable results.
2. Why do some agencies charge £10,000+ monthly?
High-level agencies handle complex technical SEO, advanced PR, and competitive industries where authority costs more to build.
3. Can I skip traditional SEO and just invest in AISEO?
AISEO is vital for future visibility, but it works best when combined with traditional SEO. A hybrid strategy ensures you rank across Google and AI assistants.
4. Is project-based SEO worth it?
Yes, if you only need a one-time fix like an audit or migration. But for ongoing visibility, retainers are more effective.
5. What do I get with Tenacious Sales’ AISEO Light (£450/month)?
Schema setup, FAQ optimisation, AI-ready profiles, and a cost-effective way to get your business future-ready for AI-powered search.
