- SRA number
- 207860
- Authorisation
- Recognised body
- Authorised since
- 1 November 2011
- Organisation type
- Recognised body, authorised
- Constitution
- Incorporated company (limited by shares)
- Practising offices
- 3 (2 branches)
- Head office
- London EC1A 2DY
- Branch towns
- London, London EC1A
- Areas of law reported to the SRA
- 4: ADR, Litigation, Intellectual Property, Corporate (non-listed)
- Companies House status
- Active (00737958, file 1 May 2026)
- Incorporated
- 16 October 1962
- Company type
- Private Limited Company
- SRA firms in City of London
- 754 (178 residential property)
Sisec Limited is a recognised body authorised by the Solicitors Regulation Authority since November 2011 and recorded under SRA number 207860. The SRA record lists 3 practising offices: the head office at 21 Holborn Viaduct, London, EC1A 2DY, plus 2 further offices in London and London EC1A. Its constitution is recorded as incorporated company (limited by shares).
In its most recent annual return the firm told the SRA it delivered work in 4 areas of law: ADR, Litigation, Intellectual Property and Corporate (non-listed). Residential property is not among the reported areas, so the firm does not appear in the conveyancing lists on this site's town and city pages.
The head office postcode EC1A 2DY falls within City of London (London), where the SRA register lists 754 authorised firms with a practising office, 178 of them reporting residential property work. The nearest other SRA-regulated firms by straight-line distance from the head office are Hogan Lovells Cadwalader Pension Trustees Limited (same postcode, London), Loviting Limited (same postcode, London), Serjeants' Inn Nominees Limited (same postcode, London), Hogan Lovells Cadwalader Trustees (same postcode, London) and Hogan Lovells Cadwalader (Middle East) LLP (same postcode, London). 0 of those 5 report residential property work.
Companies House records the firm as SISEC LIMITED (company number 00737958), a private limited company incorporated on 16 October 1962, 63 years before this snapshot. Its status on the Companies House bulk file dated 1 May 2026 is "Active".
Offices on the SRA record
| Office | Address | District | Phone |
|---|---|---|---|
| Head office | 21 Holborn Viaduct, London, EC1A 2DY | City of London | |
| Branch | Atlantic House, 50 Holborn Viaduct, London, EC1A 2FG | City of London | |
| Branch | 65 Holborn Viaduct, London EC1A, EC1A 2DY | City of London |
Areas of law reported to the SRA
Self-reported by the firm in its most recent annual return to the SRA ("the areas of law that the law firm has told us they delivered"). A lagging description of past work, not a live service list, a specialism claim or a quality mark; it may be up to a year old and is blank for newly authorised firms.
Companies House record
SISEC LIMITED, company number 00737958, private limited company, incorporated 16 October 1962. Status on the Companies House bulk file dated 1 May 2026: Active. Last accounts made up to 31 December 2024 (dormant). Full record on ukcompanyfinder.com.
Nearest SRA-regulated firms
- Hogan Lovells Cadwalader Pension Trustees Limited · Londonsame postcode
- Loviting Limited · Londonsame postcode
- Serjeants' Inn Nominees Limited · Londonsame postcode
- Hogan Lovells Cadwalader Trustees · Londonsame postcode
- Hogan Lovells Cadwalader (Middle East) LLP · Londonsame postcode
solicitorcost.com includes data supplied by the Solicitors Regulation Authority.
Source: SRA Firm data web service (terms 1 July 2020, attribution required); firm status, offices and areas of law as reported by the SRA on 28 August 2026. Areas of law are self-reported by each firm in its annual return and describe work it told the SRA it delivered, not a live service menu or a quality mark. Companies House fields from the Basic Company Data bulk file dated 1 May 2026. Geocoding by postcodes.io: contains OS data (c) Crown copyright and database right 2026, Royal Mail data (c) Royal Mail copyright and database right 2026, National Statistics data (c) Crown copyright and database right 2026. No firm on this site is sponsored, ranked or endorsed, and nothing here implies SRA endorsement of this site.