- Companies
- Installers
- Bury St Edmunds
- Source One Consulting Ltd
Source One Consulting Ltd
- Company number
- 04600307
- Incorporated
- 25 Nov 200223 years trading
- Registered office
- Abbeygate Accoutancy Station Hill, Thurston, Bury St Edmunds, Suffolk, IP31 3QU
- Nature of business
- Other construction installation; Other building completion and finishing
Source One Consulting Ltd is a 23-year-old private limited company registered in Bury St Edmunds, company number 04600307, one of 53 installation companies (insulation, lifts, shutters and similar) in Bury St Edmunds. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £119K (-43.6%) on the year before, to £154K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £533K against £262K owed within a year: 2.0 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £154K | £240K | £533K | £262K | 5 |
| 31 Dec 2024 | £274K | £251K | £748K | £378K | 5 |
| 31 Dec 2023 | £297K | £368K | £587K | £196K | 4 |
| 31 Dec 2022 | £246K | £412K | £753K | £317K | 4 |
| 31 Dec 2021 | £238K | £578K | £800K | £315K | 4 |
| 31 Dec 2020 | £361K | £246K | £633K | £259K | 4 |
| 31 Dec 2019 | £539K | £198K | £1M | £554K | 4 |
| 31 Dec 2018 | £397K | £345K | £577K | £201K | |
| 31 Dec 2017 | £379K | £390K | £576K | £213K | |
| 31 Dec 2016 | £370K | £351K | £600K | £242K |
Public contracts won
Source One Consulting Ltd has one public sector contract award on record; the ones with their own published value total £21K (2021). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| West Suffolk NHS Foundation Trust | Office Furniture | £21K | 10 May 2021 |
Where Source One Consulting Ltd is registered
The registered office is in Bury St Edmunds (IP31), in the Mid Suffolk local authority area, East of England. Show IP31 3QU on a map.
Other trade companies in IP31
- Pafield Services LtdFloor and wall tilers
- Eastbrook Homes LimitedProperty developers
- Corebuild Construction (East Anglia) LimitedGroundworks and demolition
- Blue Wren Projects LtdProperty developers
- Refind Barn LtdProperty developers
- Phaze 3 LimitedCivil engineering
- Fixurz LtdSpecialist contractors
- Tuneup Auto Repair LtdMechanics and garages
What happens if Source One Consulting Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 04600307
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2002 (23 years ago)
- Registered office
- Abbeygate Accoutancy Station Hill, Thurston, Bury St Edmunds, Suffolk, IP31 3QU
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 25 November 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Bury St Edmunds
Other active installation companies (insulation, lifts, shutters and similar) registered in Bury St Edmunds.
- Steel Building Installers Ltd2019
- Suffolk Electrical Design Ltd2021
- Suite Bathrooms Limited2025
- TF Fencing Limited2025
- The Window Centre (Suffolk) Limited2019
- Virag Site Services Ltd2026
- Vivam Ltd2022
- 4I Civils & Groundworks Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Bury St Edmunds · All trades in Bury St Edmunds · Installers across the UK
Frequently asked questions
When are Source One Consulting Ltd's accounts due?
Source One Consulting Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Source One Consulting Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Source One Consulting Ltd still trading?
Source One Consulting Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Source One Consulting Ltd do?
Source One Consulting Ltd is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Source One Consulting Ltd?
Source One Consulting Ltd was incorporated on 25 November 2002, 23 years ago.
Has Source One Consulting Ltd won public sector contracts?
Yes. Source One Consulting Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £21K), most recently from West Suffolk NHS Foundation Trust.
What is the penalty if Source One Consulting Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Source One Consulting Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.