Active06439935Private limited company

SOURCE INFORMATION SERVICES LIMITED

Owned by Fiona Margaret Swift Czerniawska (50–75%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

01

Summary

Generated from filed data · no estimates

SOURCE INFORMATION SERVICES LIMITED is an active private limited company (company number 06439935) incorporated on 28 November 2007. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest small accounts cover the period ending 31 December 2025, showing net assets of £1.90m and cash of £1.57m, with 51 employees on average. Net assets fell 26% on the prior period (£2.56m).

Peer position · net assets

By net assets it sits in the top quarter of 31,398 comparable companies in London (median £2,815, upper quartile £34k).

02

Key dates

Incorporated
28 November 200718 yrs ago
Next accounts due
30 September 2027in 343 days
Confirmation statement due
12 December 2026in 51 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

03

Activity

SIC 70229
Management consultancy activities other than financial management
Accounts type
Total Exemption Full
Size band
SmallCompanies Act thresholds
04

Financials

2 periods on record · latest ending 31 December 2025
Net assets
£1.90m
−26%vs Dec 2024
Cash at bank
£1.57m
−21%vs Dec 2024
Turnover
Not reported
Employees
51
No changevs Dec 2024
Net assets
£1.90m
Cash at bank
£1.57m
Average employees
51
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 December 2025£1.90m£1.57m£1.05m———51
31 December 2024£2.56m£2.00m£1.75m———51
Cash per employee£31kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

05

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £1,896,964 at 31 December 2025
  • Net assets down 25% or more on the prior period-25.9% vs prior period
  • Cash at bank of £50,000 or moreCash £1,574,535
  • Incorporated five or more years agoIncorporated 28 November 2007

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

06

Ownership and control

1 active
  • Ms Fiona Margaret Swift Czerniawska
    Individual · since 6 April 2016
    • owns 50–75% of shares
    • holds 50–75% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.

07

Timeline

Newest first
  1. Next accounts duein 343 days
  2. Confirmation statement duein 51 days
  3. Accounts period endNet assets £1.90m · small accounts
  4. Accounts period endNet assets £2.56m · small accounts
  5. Incorporated
08

Similar companies in London

Same activity (management consultancy activities other than financial management), closest in incorporation date
09

Reminders for SOURCE INFORMATION SERVICES LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.