What this means
Market mapping is not just collecting company names. It is defining a segment, building a longlist, deduplicating entities, enriching records, classifying companies and deciding which records deserve further work.
A useful market map separates legal entity, trading brand, location, website, segment, source, confidence and analyst notes. That structure makes later review much easier.
Main data sources
Useful sources include Companies House, company websites, directories, job posts, procurement notices, planning records, review sites, commercial databases and specialist sector lists.
The best source depends on the sector. Construction, healthcare, software, education and local services all leave different public and web traces.
Free sources
Free sources are valuable for early exploration. Public records can define the entity universe, websites and directories can reveal positioning, and job posts can suggest live activity.
Manual search is often necessary at the edges, especially when the category uses informal language that does not map neatly to SIC codes or vendor taxonomies.
Paid and commercial sources
Commercial sources can accelerate coverage and enrichment, but they can also import noise. A vendor category may be too broad, too US-focused or too weak for smaller UK companies.
Use commercial data as one evidence layer. Keep a review queue for records that look valuable but have low source confidence.
API options
APIs can automate enrichment, website lookup, public record retrieval and monitoring. They are helpful when a market map needs to stay current or feed an internal workflow.
For market mapping, API output should be converted into source-backed evidence rather than a black-box score. Keep enough raw fields to audit why a company was included.
Common use cases
Use cases include investment origination, acquisition screening, sales territory planning, supplier research, competitor mapping, policy analysis and internal category strategy.
The map should match the decision. A quick sales map can tolerate broader confidence. An acquisition longlist needs tighter validation and clearer exclusion criteria.
Limitations
No dataset will perfectly define a market. Companies pivot, websites go stale, directories are incomplete and sector boundaries are subjective.
Use confidence flags and manual validation. The point is to improve search and judgement, not pretend the map is final.
Official sources
These links are starting points for source checks. Always confirm current terms, coverage, authentication and update frequency before relying on a dataset operationally.
FAQ
How do I build a UK market map?
Define the segment, collect a longlist from public and commercial sources, deduplicate, enrich, classify and manually validate priority companies.
What data is best for market mapping?
The best data depends on the sector. Company records, websites, directories, job posts and procurement signals are common starting points.
Can AI help with market mapping?
Yes, especially for classification, summarisation and enrichment. Human review is still important for edge cases and high-value decisions.
What fields should a market map keep?
Keep legal entity, trading brand, website, location, segment, source, confidence, last checked date and analyst notes.