Wondering what SEO should really cost—and what you’ll make back?
Use our 30-second calculator to get a tailored budget & ROI forecast, based on real UK data.
TL;DR (Why use this?)
- Live pricing modelled on 42 Onexius client campaigns (2024-25).
- Includes competition level & number of service areas so quotes are far more realistic.
- Instant estimate—no awkward sales call required (unless you want one).
1 · How to Use the Calculator
- Pick your industry & target area.
- Choose how fast you want results (standard vs accelerated).
- See monthly budget, projected 12-month lead volume & ROI.
- Email yourself the breakdown or book a free strategy call.
SEO Budget & ROI Calculator
3 · Why These Numbers Are Trustworthy
| Data source | Sample size | Date range |
|---|---|---|
| Onexius managed SEO campaigns | 42 businesses | Jan 2024 – Jun 2025 |
| Average cost/lead (organic) | £40 | Across trades & services |
| Average profit/lead | £250 | Client-reported margins |
4 · FAQs
Is SEO cheaper than Google Ads?
Long-term, yes—our clients average £40 SEO lead vs £65 PPC.
Can I start below £500/month?
In low-competition areas, yes. The calculator adjusts for that.
Next step → lock in a custom quote
Onexius—transparent pricing, measurable ROI, nationwide service from Bishop’s Stortford to Surrey & beyond.
