- Companies
- Civil engineering
- Wallingford
- C. Putnam and Sons Ltd.
C. Putnam and Sons Ltd.
- Company number
- 07139691
- Incorporated
- 28 Jan 201016 years trading
- Registered office
- 82E High Street, C/O Aa Morgan Accounting and Bookkeeping Ltd, Wallingford, OX10 0BS
- Nature of business
- Construction of other civil engineering projects n.e.c.
C. Putnam and Sons Ltd. is a 16-year-old private limited company registered in Wallingford, company number 07139691, one of 7 civil engineering contractors in Wallingford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 up £10K (+1.1%) on the year before, to £967K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £951K against £581K owed within a year: 1.6 times cover.
- 9 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 Mar 2025 | £967K | £161K | £951K | £581K | 9 |
| 31 Mar 2024 | £957K | £243K | £661K | £312K | 9 |
| 31 Mar 2023 | £1.2M | £247K | £809K | £314K | 9 |
| 31 Mar 2022 | £1.1M | £196K | £783K | £332K | 10 |
| 31 Mar 2021 | £1M | £387K | £788K | £279K | 7 |
| 31 Mar 2020 | £924K | £402K | £881K | £464K | 7 |
| 31 Mar 2019 | £687K | £128K | £627K | £455K | |
| 31 Mar 2018 | £704K | £148K | £815K | £664K | 7 |
| 31 Mar 2017 | £580K | £109K | £645K | £569K | 8 |
| 31 Mar 2016 | £426K | £85K | £623K | £681K |
Who runs and owns C. Putnam and Sons Ltd.
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| G*** H*** | Director | Jan 2010 |
| S*** P*** | Director | Jan 2010 |
| G*** H*** | Secretary | Jan 2010 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| London Law Secretarial Limited | Secretary (company) | Jan 2010 | Jan 2010 |
| J*** C*** | Director | Jan 2010 | Jan 2010 |
| G*** H*** | Director | Jan 2010 | Jan 2010 |
People with significant control (2)
Where C. Putnam and Sons Ltd. is registered
The registered office is in Wallingford (OX10), in the South Oxfordshire local authority area, South East. Show OX10 0BS on a map.
Other trade companies in OX10
- Chiltern Gutters LimitedCleaning companies
- Borehole & Beyond LtdCivil engineering
- Readyset Property Services LtdCleaning companies
- Studio Lennox Gardens LimitedProperty developers
- RVR Construction Services LimitedBuilders
- Valx LimitedMechanics and garages
- D&D Professional Cleaning Service LtdCleaning companies
- Springbok Construction Services LimitedBuilders
What happens if C. Putnam and Sons 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07139691
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 2010 (16 years ago)
- Registered office
- 82E High Street, C/O Aa Morgan Accounting and Bookkeeping Ltd, Wallingford, OX10 0BS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 January 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Wallingford
Other active civil engineering contractors registered in Wallingford.
- Evenground (UK) Limited2026
- Macktech Group Ltd2026
- Myrtis Limited2006
- Permanent Pothole Solutions Ltd2026
- R C M Solutions Limited2010
- Borehole & Beyond Ltd2026
All civil engineering contractors in Wallingford · All trades in Wallingford · Civil engineering across the UK
Frequently asked questions
When are C. Putnam and Sons Ltd.'s accounts due?
C. Putnam and Sons Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is C. Putnam and Sons Ltd.'s CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is C. Putnam and Sons Ltd. still trading?
C. Putnam and Sons 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 C. Putnam and Sons Ltd. do?
C. Putnam and Sons Ltd. is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is C. Putnam and Sons Ltd.?
C. Putnam and Sons Ltd. was incorporated on 28 January 2010, 16 years ago.
Who runs C. Putnam and Sons Ltd.?
C. Putnam and Sons Ltd. has 2 active directors, the longest-serving appointed in Jan 2010. Their names and service addresses are on the Companies House register.
Who owns C. Putnam and Sons Ltd.?
2 people or companies have significant control of C. Putnam and Sons Ltd.: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if C. Putnam and Sons 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 C. Putnam and Sons 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.