Startup marketing agency
SEO for startups and SaaS, planned around your stage
From pre-seed foundations to Series A growth: product-led content, comparison pages, technical SEO and paid search measured in sign-ups, demos and revenue.
- Plans matched to funding stage
- Measured in sign-ups and revenue
- Developers and marketers together
Quick answer
ProntX is a London SaaS SEO agency and startup marketing agency for UK founders and growth teams. We plan SEO, content and paid search by funding stage, focus on comparison, integration and use-case pages, and measure sign-ups and revenue. SEO starts from £595 a month and PPC from £450, on rolling terms.
Startups and SaaS
What does SEO for startups and SaaS companies involve?
SEO for startups means building search visibility that matches your stage: technical foundations and a few high-intent pages early, then product-led content, comparison pages and authority as you grow.
ProntX is a London SaaS SEO agency and startup marketing agency for UK founders and growth teams. We plan SEO, paid search and content around your funding stage, your product and your sign-up funnel, so every pound goes into the pages and campaigns most likely to produce trials, demos and revenue.
Startups are told two contradictory things about SEO. One camp says it takes too long to matter before product-market fit. The other says start on day one because it compounds. Both are partly right, which is why the answer depends on where you are.
Before you have a clear customer and message, a large content retainer is usually wasted. But a fast, crawlable site, honest product pages and the right analytics cost little to get right early and are expensive to fix later.
SaaS SEO also differs from local or ecommerce SEO. Buyers compare tools, search for alternatives to the product they already use, look for integrations and read pricing pages closely. The pages that produce sign-ups are often not blog posts at all.
That is why we start with your product, your ideal customer and your funnel data, then decide which search demand is worth chasing now and which can wait.
Stage-based plan
How should startup SEO change from pre-seed to Series A?
Spend little and build foundations at pre-seed, focus on high-intent pages at seed, then scale content, authority and paid search once there is product-market fit and a growth target.
| Stage | What matters most | What we would do | What to avoid |
|---|---|---|---|
| Pre-seed | Learning who buys and why | Technical set-up, analytics, a handful of strong product and use-case pages, founder-led content | Big content retainers and link buying |
| Seed | Repeatable acquisition | Comparison and alternative pages, integration pages, pricing page SEO, search ads on high-intent terms | Chasing broad, high-volume terms you cannot rank for yet |
| Series A | Predictable pipeline | Topic clusters, programmatic templates where genuinely useful, digital PR, AI search visibility, multi-channel paid | Publishing volume without measuring sign-ups and revenue |
| Series B and beyond | Market leadership | International SEO, category pages, enterprise-grade technical work and in-house enablement | Losing the product focus that got you here |
Many founders do the earliest work themselves with our guidance, then hand over delivery as the team gets busier. We are happy to work that way.
Product-led content
Which pages actually drive SaaS sign-ups from search?
Pages close to a buying decision: comparisons, alternatives, integrations, use cases, templates and your pricing page. Educational content supports them, but rarely converts on its own.
High intent
Comparison and alternative pages
“[Competitor] alternative” and “[you] vs [competitor]” pages, one competitor per page, with fair feature tables, pricing and migration steps. Honest pages rank and convert better than attack pages.
Ecosystem
Integration pages
A page for each meaningful integration, explaining what connects, what users can automate and how to set it up. These often capture searches competitors ignore.
Jobs to be done
Use-case and industry pages
Pages for the problems and sectors your product serves, written with real workflows and screenshots rather than generic benefits.
Product-led
Templates, calculators and free tools
Useful assets that solve a small problem and introduce the product naturally. They earn links and sign-ups when they are genuinely good.
Decision
Pricing and plan pages
Clear, crawlable pricing with FAQs about billing, limits and contracts. Buyers and AI assistants both look for this information.
Support
Documentation and help centre
Docs that are indexable, well structured and linked from the marketing site, so people searching how to do something find you.
Technical SaaS SEO
What technical SEO problems are common for SaaS websites?
JavaScript rendering, app and marketing sites mixed on one domain, indexable staging environments, and documentation that search engines cannot reach.
- Marketing pages built as single-page apps that search engines render slowly or partially
- Logged-in app URLs, staging sites and preview links leaking into Google’s index
- Docs on a separate subdomain or platform with no links from the main site
- Duplicate pages from tracking parameters, filters and template variations
- Slow pages from heavy scripts, chat widgets and tag managers
We audit how Google actually renders your pages, fix what blocks crawling and indexing, and agree simple rules with your developers so new releases do not undo the work. Our technical SEO team works directly in your repository or through tickets, whichever suits your engineers.
If your marketing site needs rebuilding, our web design team can build a fast, statically rendered site that your marketers can edit without a developer.
Measurement and PLG
How do you measure SEO for a product-led SaaS?
By tracking sign-ups, activation and paid conversions back to the landing page and query, not just traffic and rankings.
Connect search to the product
We set up GA4 and your product analytics so sign-ups, trial starts and key activation events are attributed to the first landing page and channel. Server-side events help where ad blockers and consent choices hide browser data.
Report on revenue, not visits
Monthly reporting shows sign-ups and qualified demos by page type, plus paid conversions where your billing data allows. Traffic that never converts is flagged, not celebrated.
Feed the loop
Search Console queries, sales call notes and support tickets show what prospects are trying to do. Those insights go back into the content plan and, often, into product and onboarding.
Paid and AI search
Should startups use PPC, and what about AI search?
Paid search is useful for testing messages and capturing high-intent demand quickly. AI search matters because buyers increasingly ask assistants to shortlist tools for them.
PPC for startups works best on a narrow set of high-intent terms: your category plus words like software, tool or pricing, competitor alternatives, and your own brand. It gives you conversion data in weeks, which is useful for deciding which SEO pages to build. Our B2B PPC service covers Google, Microsoft and LinkedIn Ads with CRM tracking.
We rarely recommend broad awareness campaigns before you have proven conversion rates.
When someone asks ChatGPT or Gemini for the best tools in your category, the answer draws on review sites, comparison articles, documentation and your own site. Consistent product descriptions, clear pricing, structured data and mentions in trusted roundups all influence it.
Our AI search optimisation tracks how assistants describe your product and competitors, then works on the gaps.
Common mistakes
What digital marketing mistakes do startups make most often?
Spending ahead of product-market fit, measuring traffic instead of sign-ups, and building a marketing site that search engines struggle to read.
- Hiring an agency to publish four blog posts a week before anyone knows what customers search for
- Targeting broad head terms with huge volumes that a new domain cannot rank for
- Launching a JavaScript-heavy site that looks great but renders poorly for Google
- Running awareness ads with no conversion tracking or sign-up attribution
- Changing the domain or URL structure during a rebrand without redirects
- Leaving pricing hidden, so buyers and AI assistants cannot compare you
- Copying competitors’ content instead of showing your own product in action
- Treating SEO as a one-off project rather than part of the growth plan
Most of these are cheap to avoid and expensive to undo. A short audit before a launch, rebrand or funding-driven growth push usually pays for itself many times over.
Who we work with
Which startups and SaaS companies do we work with?
UK founders and growth teams selling software, platforms and digital products, from first launch to scale-up.
- B2B SaaS selling to SMEs or mid-market teams
- Fintech, proptech and healthtech products with compliance needs
- Marketplaces and platforms balancing two sides of a market
- Consumer apps that need app store and web visibility
- Agencies and services businesses productising their offer
We are based in London and work with startups across the UK through video calls, shared boards and Slack, fitting around sprint cycles rather than imposing our own.
Why ProntX
Why choose ProntX as your SaaS digital marketing agency?
Because we plan by stage, measure by revenue, and one team can build the product, the site and the growth engine around it.
Stage-aware
Advice that fits your runway
We recommend what your stage and budget justify, and say when something can wait until after your next round.
Build and grow
Developers and marketers together
Our app development team builds MVPs and web apps, so technical SEO and analytics are designed in, not bolted on.
Founder-friendly
Rolling monthly, published prices
No long contracts that outlast your runway. You own every account, page and piece of code.
Pricing
How much does a SaaS SEO agency cost?
ProntX SEO for startups and SaaS starts from £595 a month plus VAT. Paid search starts from £450 a month plus ad spend. Larger content and authority programmes cost more, and we scope them to your stage.
| Plan | Typical stage | Monthly fee (ex VAT) | What it covers |
|---|---|---|---|
| Foundations | Pre-seed to seed | From £595 | Technical SEO, analytics, core product and comparison pages, monthly strategy call |
| Growth | Seed to Series A | Typically £1,200 to £2,500 | Content programme, integration and use-case pages, digital PR, AI search tracking |
| Scale | Series A and beyond | Typically £3,000 and up | Multiple content streams, international or programmatic SEO, paid search, in-house enablement |
Final price depends on content volume, markets and technical complexity. See all channels on our pricing page.
SEO and AI search
from £595/month
Local and small business SEO, GEO and AEO included
What is includedPPC and Google Ads
from £450/month
Management fee. Ad spend is paid direct to Google
What is includedHow it works
What happens after you get in touch
- 01Free audit
We review your site, search visibility, ads and competitors, then send a short video walkthrough with the quickest wins.
Request audit - 02Plan and price
A one-page plan with goals, channels, timeline and a fixed monthly price. No surprises later.
See prices - 03Launch in weeks
Tracking first, then quick wins, then the bigger builds. You see progress in the first month.
See our work - 04Report and grow
Monthly report in plain English: leads, sales, cost per result and what we do next.
Talk to us
FAQ
Startup and SaaS SEO questions, answered
Still unsure? Ask us anything. We reply within one working day.
When should a startup start SEO?
Start the foundations as soon as you have a website: technical set-up, analytics and clear product pages. Wait on large content programmes until you know who your best customers are and what they search for, typically around seed stage. Doing the basics early is cheap; fixing a badly built site later is not.
Is SEO worth it for an early-stage startup?
Sometimes. If people already search for your category, a few strong comparison, use-case and pricing pages can bring sign-ups within months. If you are creating a new category, search demand may be tiny and other channels will matter more at first. We check search demand before recommending any spend.
What is product-led SEO?
It is SEO built around what your product does, rather than generic blog content. Examples include integration pages, templates, calculators, use-case pages and comparison pages that show the product solving a real problem. These pages meet searchers close to a decision and introduce the product naturally.
Should we create competitor comparison pages?
Usually yes, if they are honest. Buyers search for alternatives and comparisons when they are close to choosing. Fair pages with accurate feature tables, pricing and migration help tend to rank and convert well. One competitor per page works better than one page comparing ten tools.
How long does SaaS SEO take to work?
Technical fixes can show results in weeks. High-intent pages such as comparisons and integrations often start ranking within three to six months on a reasonably healthy site. Competitive category terms can take a year or more. We report sign-ups from search throughout, so you can see progress before the biggest terms move.
Should startups use PPC or SEO first?
Often both, in small doses. PPC on high-intent terms gives fast data about which messages and keywords convert, while SEO builds a lower-cost channel over time. With a very small budget, we usually prioritise whichever channel your buyers use most, based on search volumes and deal values.
Do you work with B2B SaaS companies?
Yes, B2B SaaS is a large part of this work. Longer sales cycles mean we track demos and pipeline rather than just sign-ups, and we often combine SEO with LinkedIn and Google Ads. See our B2B SEO service for more detail on how we handle long sales cycles.
Can you help with a website rebuild or migration?
Yes. Startups often outgrow their first site or move platforms after a rebrand. We plan redirects, preserve rankings and make sure the new site renders well for search engines. If you need a new marketing site, our developers can build it alongside the SEO work.
Do you take equity or offer startup discounts?
We do not take equity. We keep things founder-friendly through published prices, rolling monthly contracts and plans sized to your stage, so you are never locked into a retainer that outlasts your runway. Some founders start with guidance and do the early work themselves to keep costs down.
Works well with
Related services
Free growth audit
Find out what is holding your growth back
Tell us about your business in four quick steps. Within two working days you get a short video audit of your website, search visibility and ads, with the three changes that would make the biggest difference.
- Personal video walkthrough, not an automated PDF
- Covers SEO, AI search, ads and conversion
- No obligation and no hard sell