Card on building an auditable productivity software market estimate from business counts
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Foundations

Part of Assessing England's productivity software market by the job, not the category

Turning a broad business count into an auditable productivity software market range

Estimate England's addressable productivity software market without misusing broad business counts, mixed survey populations or unsupported revenue figures.

There is no authoritative public total for the business productivity software market in England. Available statistics count businesses or measure selected technology behaviours; they do not report English spending across every collaboration, workflow, scheduling and reporting product. A credible estimate therefore has to be built for one defined use case.

What to take away

  • Build one England-only estimate for a single defined use case.
  • Choose between the 5.0 million business count and 2.73 million registered businesses by asking who can use the product.
  • Build the estimate as a worksheet with separate rows and label every input as published, observed or assumed.
  • Technology surveys can inform questions about readiness but cannot represent every business in England.
  • The most honest conclusion may be a bounded reachable segment rather than a national total.

Start with the right business population

The Department for Business and Trade estimated that England had 5.0 million private-sector businesses at the start of 2025. Three quarters of the UK's estimated businesses had no employees. The release assigns a business to the region of its head office, which limits conclusions about activity across multiple sites.

Two business population sources

DBT estimate

Count
5.0 million
Scope
England private-sector
Date
Start 2025
Use for
Sole traders

ONS registered

Count
2.73 million
Scope
UK VAT or PAYE
Date
March 2025
Use for
Employers

The Office for National Statistics reported 2.73 million VAT or PAYE registered businesses across the UK in March 2025. This smaller total comes from a different population. It excludes businesses outside those registration systems and should not be presented as an alternative estimate of the same thing.

Choose between these sources by asking who can actually use the product. A workflow tool for employers might use registered enterprises by industry and employment band. A service for sole traders may need the broader population estimate. Neither number is an addressable market before practical filters are applied.

Turn a broad count into an auditable range

Build the estimate as a worksheet rather than a single impressive total. Use separate rows for:

  • the relevant geography, industry and size bands;
  • businesses that perform the target process often enough to care;
  • organisations with compatible data, devices and buying authority;
  • prospects reachable through the planned sales channel;
  • expected annual contract value in a clearly stated pricing unit.

Label every input as published, observed or assumed. Published inputs should include a URL, reference date and statistical unit. Observed inputs might come from structured interviews or a small pilot. Assumptions need a lower and upper case. Multiplying a UK survey percentage by an England business count is not defensible when their populations, dates or definitions differ.

For example, a founder researching an approval tool could isolate English businesses in two target industries and an appropriate employee band, then interview a documented sample about approval frequency and current systems. The result would be a testable segment estimate. It would not establish total market revenue, because the interview rate, reach and price remain uncertain.

Worked illustration, not a published market figure. Start from the 5.0 million England businesses counted by the Department for Business and Trade. Assume, purely for arithmetic, that two target industries and one employee band leave 0.5 to 1.5 per cent of that count.

Assume an annual contract value of £600 to £1,800. The worksheet then gives a reachable segment range of £15 million to £135 million.

Worksheet rowIllustrative inputLower caseUpper case
England business populationDBT estimate, start 20255,000,0005,000,000
In-scope industries and employee bandIllustrative filter0.5%1.5%
Businesses in scopeCalculated25,00075,000
Annual contract valueIllustrative pricing unit£600£1,800
Reachable segment revenueCalculated£15 million£135 million

Use technology surveys for questions, not shortcuts

The UK Business Data Survey 2026 covers businesses that handle digitised data and reports variation by size and data sophistication. It can inform questions about integration readiness or data practices. Its findings cannot simply represent every business in England.

The Department for Business and Trade's SME Digital Adoption Taskforce report identifies adoption of cloud, customer management and resource-planning tools as a policy concern. This supports investigation of barriers and support needs, but it supplies no England-only revenue total for the category.

Report what the estimate does not include

State whether the result excludes public bodies, charities, unregistered traders, enterprise contracts or implementation fees. Explain whether one company with several sites counts once or several times. Keep subscription revenue separate from migration, training and support income.

Recheck the source tables and interview evidence before publication, then commission qualified methodology review if the figure will influence investment or financial decisions.

Before you act

  • Define the single use case before estimating.
  • Pick the business population that matches actual users.
  • Label each input as published, observed or assumed.
  • Give every assumption a lower and upper case.
  • State what the estimate excludes, including fees and public bodies.
  • Recheck source tables and interview evidence before publication.

Common questions

How should the worksheet range be presented to a reader?

Show the arithmetic and label each input. A reader should be able to rebuild the lower and upper case from the published, observed and assumed rows. State the pricing unit and reference date beside each revenue figure.

Which population fits a product sold to employers?

Employer-facing tools usually start from the 2.73 million VAT or PAYE registered businesses, because the buyer must be an employer. A service for sole traders may need the broader 5.0 million England estimate. The choice follows who can buy, not which number is larger.

What can technology surveys contribute to an estimate?

They can shape survey questions and set a plausible upper bound for readiness. Check the sampling frame before applying a percentage to a business count. The UK Business Data Survey 2026 covers businesses handling digitised data, not every England business.

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