UK SIC 2007 · 66120
Security and commodity contracts dealing activities
Security and commodity contracts dealing activities is UK SIC code 66120, part of division 66 (Activities auxiliary to financial services and insurance activities) in the SIC 2007 classification. As of the July 2026 Companies House register, 2,463 active UK companies list 66120 among their SIC codes, and 1,582 list it as their first code.
As of the July 2026 Companies House register, 2,463 active UK companies list 66120 among their SIC codes (1,582 as their first code).
Companies House data refreshed daily. Page reviewed July 2026.
Division 66: Activities auxiliary to financial services and insurance activities
This division gathers the intermediaries of financial services: insurance agents and brokers under 66220, fund managers under 66300, security and commodity dealing firms under 66120, and a broad population of advisers and ancillary businesses under 66190, which covers auxiliary financial intermediation not classified elsewhere. Many independent financial advisers and mortgage intermediaries register with 66190 or 66290, so the auxiliary codes read as a mix of one-adviser practices, appointed representatives and back-office service firms rather than a single recognisable trade.
Suppliers of compliance support, professional indemnity cover, CRM and back-office platforms, paraplanning services and recruitment all fish in this water, as do acquirers consolidating adviser books. Useful signals include a fresh incorporation (often an adviser going independent), an approaching confirmation statement or accounts deadline that hints at thin admin support, and the absence of a website, which frequently marks a firm still trading on referrals and therefore a strong candidate for marketing services.
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Where SIC 66120 clusters in the UK
About SIC 66120
How many UK companies use SIC code 66120?
2,463 active UK companies include 66120 (Security and commodity contracts dealing activities) among their up-to-four registered SIC codes, of which 1,582 list it first. Figures are from the July 2026 Companies House register snapshot, counting active companies only.
Which SIC code do independent financial advisers normally use?
Most IFAs register under 66190, activities auxiliary to financial intermediation n.e.c., while insurance-focused advisers often use 66220 or 66290. There is no official mapping and no approval step: directors choose their own codes at incorporation and can amend them on the next confirmation statement (CS01). A company may hold up to 4 codes, so many adviser firms list both a financial and an insurance code.
Does my SIC code affect FCA authorisation or permissions?
No. The FCA grants permissions based on your application and the regulated activities you intend to carry on, not on what Companies House records. Equally, choosing a broking or fund management SIC code gives you no permission to trade. The two systems are separate, though prospectors and compliance firms do cross-reference the FCA register against SIC data to spot newly authorised businesses.
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