Top PROFESSIONAL SERVICES Companies in United Kingdom
Approximately 2,364,208 real businesses classified under Professional, Scientific and Technical Activities in United Kingdom, with officer, shareholder and beneficial ownership records sourced directly from official government registries.
Approximately 2,364,208 real businesses operate in the Professional, Scientific and Technical Activities sector across United Kingdom. Consultants, lawyers, architects, and researchers make up a sector regulated twice over — once by company law, once by their own professional body. Legal, accounting, tax, management consulting, engineering, advertising, and R&D firms are frequently structured as partnerships or professional corporations, which layers licensing-body oversight on top of standard company registration rather than replacing it.
219 companies in this sector are indexed on Zavia so far, part of a continually growing dataset.
Beneficial-ownership and registration rules for Professional, Scientific and Technical Activities companies in United Kingdom follow the same national framework as every other sector there.
Full United Kingdom beneficial ownership overviewTop Professional, Scientific and Technical Activities Companies in United Kingdom
Live from the register. Every row opens the full record — officers, shareholders and resolved group structure.
Data Coverage
Record counts for SIC Code M in United Kingdom, as of the last reconciliation.
Section M is 15% of the United Kingdom register by entity count and its 1st largest sector — see all sectors.
Analysis
What this data actually tells you
Professional, Scientific and Technical Activities in the UK includes professions with meaningfully different regulatory structures, which matters for verification. Solicitors in England and Wales are regulated by the Solicitors Regulation Authority (SRA), which — despite having originally been formed as a board of the Law Society — now regulates and enforces standards completely independently, overseeing more than 125,000 solicitors and other authorised individuals across over 11,000 firms, plus those working in-house.
Other professions in the sector sit differently: architects, for example, are represented by the Royal Institute of British Architects (RIBA), a chartered professional membership body rather than a statutory regulator with SRA-equivalent enforcement powers over individual practice. For verification, that distinction matters — confirming a solicitor’s standing means checking the SRA’s own register, while confirming an architect’s professional affiliation means checking RIBA membership, which carries a different kind of assurance.
United Kingdom Professional, Scientific and Technical Activities, by the register
Charts render from live counts. Modules are suppressed where coverage is too thin to be meaningful.
Entities by sub-sector
SIC division level, live from official registries.
Active vs. inactive
Section M entities currently on the register as active, vs. struck off or dormant.
Company size, by disclosed headcount
By number of employees on file, Section M, United Kingdom. 5,130 entities with no disclosed headcount are not counted in any band.
Who uses United Kingdom professional, scientific and technical activities ownership data
The three checks this sector's data is most often run for.
SRA solicitor registration check
The Solicitors Regulation Authority independently regulates over 125,000 solicitors and other authorised individuals across more than 11,000 firms in England and Wales — separately from the Law Society, and separately from a firm’s own company registration.
Professional-body membership vs. statutory regulation
Not every profession in this sector has the same regulatory weight: solicitors are independently regulated by the SRA with statutory authority, while a body like RIBA (architects) is a chartered professional membership institute — confirming which kind of oversight actually applies to a given professional matters for verification.
Fee-based, low-asset exposure
Professional and technical service firms typically carry little in the way of fixed assets, so lenders and counterparties assessing this sector look mainly at partner composition, client concentration and regulatory standing rather than a conventional balance sheet.
Sub-sectors within Professional, Scientific and Technical Activities
SIC divisions inside this section, each with its own United Kingdom company directory.
Legal and accounting activities
211,110 companies
Activities of head offices; management consultancy activities
861,082 companies
Architectural and engineering activities; technical testing and analysis
280,130 companies
Scientific research and development
49,425 companies
Advertising and market research
180,159 companies
Other professional, scientific and technical activities
867,432 companies
Veterinary activities
12,994 companies
Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring for United Kingdom companies — via API or a bulk data feed.
Frequently Asked Questions
How many Professional, Scientific and Technical Activities companies are registered in United Kingdom?
Approximately 2,364,208 real businesses operate under Professional, Scientific and Technical Activities in United Kingdom.
What does the Professional, Scientific and Technical Activities sector include in United Kingdom?
Consultants, lawyers, architects, and researchers make up a sector regulated twice over — once by company law, once by their own professional body. Legal, accounting, tax, management consulting, engineering, advertising, and R&D firms are frequently structured as partnerships or professional corporations, which layers licensing-body oversight on top of standard company registration rather than replacing it.
How is company ownership disclosed for Professional, Scientific and Technical Activities companies in United Kingdom?
The same national framework applies here as for every other sector in United Kingdom — there is no sector-specific beneficial-ownership regime for Professional, Scientific and Technical Activities.
Can I see all industries present in United Kingdom?
Yes — the United Kingdom company directory lists every industry with recorded companies for that jurisdiction, alongside the full beneficial-ownership overview for United Kingdom.
Can I see Professional, Scientific and Technical Activities companies in other countries?
Yes — the Professional, Scientific and Technical Activities sector directory lists every country with recorded Professional, Scientific and Technical Activities companies on Zavia.
Can Zavia monitor changes to Professional, Scientific and Technical Activities companies in United Kingdom over time?
A directory listing is a snapshot, not a live feed. Zavia's monitoring API tracks changes to registered shareholders, officers, and group structure for Professional, Scientific and Technical Activities companies in United Kingdom going forward, flagging updates as they are filed instead of requiring a manual recheck.
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