
Foundations
Part of When to build keyword research foundations for an England audience
How to frame keyword research market size in England
Learn how to frame keyword research market size in England: define what you count, use UK business and e-commerce context, and label estimates clearly.
What to take away
- Decide first whether you are sizing spend on tools and services or the number of organisations doing the work, because the two answers differ sharply.
- No official series measures a keyword research market size in England, so any figure you publish must be built from data you name and date.
- The nearest reliable UK anchors are ONS business demography for firm churn and Statista's e-commerce statistics for online spending context.
- Moz's learning centre defines what keyword research covers, which keeps your scope honest.
- If you need one number, label it as an illustrative example with your assumptions written out.
Why no single market size figure exists
The phrase keyword research market size in England describes a slice of search marketing, and search marketing is not a category the Office for National Statistics publishes separately. There is no SIC code for keyword research. The nearest UK SIC 2007 classes are 73.11, advertising agencies, and 73.20, market research and public opinion polling; counting firms in them gives a supplier base, not a keyword research market. Analysts who publish a number estimate from tool subscriptions, agency fees or advertising spend, and each method gives a different total.
You choose a proxy, state it plainly, and let readers check your working. The England market guide sets out the wider structure this article feeds into.
Start with the business base, not the tool vendors
Market size starts with how many organisations could buy the service. ONS business demography data for 2021 records business births, deaths and survival rates across the UK, which shows how quickly the pool of potential clients changes. A rising birth rate widens the base for new entrants selling keyword work. A high death rate means churn rather than growth.
ONS business demography 2021
2021 | ONS business demography data
Births, deaths and survival rates across the UK
Rising births widen the base for new entrants
High deaths mean churn, not growth
For England, treat the UK figures as the published frame and say so. Do not relabel UK data as England-only.
There is a route to an England base, though. The ONS release UK business: activity, size and location breaks UK businesses down by legal status, industry, region, employment and turnover size bands, and its regional table lists the English regions separately from Wales, Scotland and Northern Ireland. Add up the nine English regions and you have an England business count you can name and date. Later editions of the business demography bulletin also publish birth and death rates by region, so churn can be read for the English regions too.
What counts as keyword research
Scope decides the number. Moz's keyword research educational resources describe the discipline as finding and prioritising the terms people search for, which includes tools, training and the staff time to interpret results. A narrow definition counts only software subscriptions. A broad one counts agency retainers and in-house salaries.
Narrow vs broad scope
Narrow definition
- Software
- Subscriptions only
- Agency
- Excluded
- Staff
- Excluded
- Training
- Excluded
Broad definition
- Software
- Subscriptions included
- Agency
- Retainers included
- Staff
- In-house salaries included
- Training
- Training included
Write your definition first. Two analysts can reach totals that differ by a factor of five purely through scope.
Tools and subscriptions
Paid platforms price per seat, per month, usually in US dollars. For example, a ten-person content team paying £80 per seat each month spends £9,600 a year on software alone. That is an illustrative figure, not a market rate.
Services and staff time
Agency retainers and in-house hours usually dwarf tool spend. An estimate that ignores salaries will understate the market badly. Decide whether to include them and label the choice. If you include them, the usual anchor for pay is the ONS Annual Survey of Hours and Earnings (ASHE), which reports earnings by occupation and by region, so the salary line can be built for England rather than borrowed from a UK average.
Use online spending as the demand backdrop
Keyword research exists because organisations compete for search visibility that supports online revenue. Statista's e-commerce worldwide statistics give the scale of online shopping and its direction of travel. If online retail keeps taking a larger share of total retail, the commercial case for search visibility strengthens with it.
The link is indirect, so present it as context rather than proof. A growing e-commerce market does not tell you how much any firm spends on keyword research.
Reading demand signals rather than totals
Search interest, job adverts and tool review traffic all move before any market total does. The demand signals guide explains how to read those movements so your planning responds to change rather than to a stale headline figure.
Signals also sanity-check a total. If your estimate implies every small firm in a sector buys a subscription, the data will show the flaw.
A scoring rubric for your sources
Weak (1)
- Publisher
- Anonymous blog
- Geography
- Global only
- Date
- Undated
- Method
- Not explained
- Scope fit
- Different service
Workable (2)
- Publisher
- Trade survey
- Geography
- UK-wide
- Date
- Older than two years
- Method
- Partial notes
- Scope fit
- Adjacent market
Strong (3)
- Publisher
- ONS, regulator or named analyst
- Geography
- England or region stated
- Date
- Dated within the last 12 months
- Method
- Full method and sample
- Scope fit
- Keyword or search work
Score each source before you cite it. Anything below eight points out of fifteen belongs in background reading, not in a published figure.
Common questions
Is there an official keyword research market size for England?
No. Neither ONS nor any UK regulator publishes keyword research as a separate category, so every figure is an estimate built on a proxy.
Which UK source should I cite first?
ONS business demography, because it is official, dated and shows the churn that creates demand from new entrants.
Can I quote a single pound figure?
Only as a labelled illustrative example with your assumptions shown. Do not present a constructed estimate as a measured market size.
How often should I refresh the estimate?
Annually at minimum, and sooner if ONS releases new business demography data or online spending patterns shift sharply.



