1. Companies
  2. Specialist contractors
  3. Barnsley
  4. Koncept Group Limited

Koncept Group Limited

ActiveMicro-entity accountsSpecialist contractorsBarnsley
Company number
08285386
Incorporated
7 Nov 201213 years trading
Registered office
Unit 5A, Humberside Way, Barnsley, South Yorkshire, S71 3RN
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
445 days
31 Dec 2027
Net assets
£491K▲
+19.5% on the year before
Employees
8
Average during the year
Checked with Companies House 12 Oct 2026

Koncept Group Limited is a 13-year-old private limited company registered in Barnsley, company number 08285386, one of 101 specialist construction companies in Barnsley. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
28 Sep 2026
Overdue by 14 days
Last made up to 14 Sep 2025

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Koncept Group Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

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 £80K (+19.5%) on the year before, to £491K.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £793K against £513K owed within a year: 1.5 times cover.
  • 8 employees on average, down from 10 the year before.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £71K£71K201731 March 2018: net assets £76K£76K201831 March 2019: net assets £102K£102K201931 March 2020: net assets £113K£113K202031 March 2021: net assets £12K£12K202131 March 2022: net assets £177K£177K202231 March 2023: net assets £402K£402K202331 March 2024: net assets £373K£373K202431 March 2025: net assets £411K£411K202531 March 2026: net assets £491K£491K2026
Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £71K£71K'1731 March 2018: net assets £76K£76K'1831 March 2019: net assets £102K£102K'1931 March 2020: net assets £113K£113K'2031 March 2021: net assets £12K£12K'2131 March 2022: net assets £177K£177K'2231 March 2023: net assets £402K£402K'2331 March 2024: net assets £373K£373K'2431 March 2025: net assets £411K£411K'2531 March 2026: net assets £491K£491K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£491K£793K£513K8
31 Mar 2025£411K£448K£229K10
31 Mar 2024£373K£30K£325K£131K13
31 Mar 2023£402K£511K£277K10
31 Mar 2022£177K£578K£229K8
31 Mar 2021£12K£338K£151K7
31 Mar 2020£113K£205K£133K8
31 Mar 2019£102K£551K£381K
31 Mar 2018£76K£195K£91K
31 Mar 2017£71K£214K£51K

Where Koncept Group Limited is registered

Koncept Group Limited's registered office on a map of the UK

The registered office is in Barnsley (S71), in the Barnsley local authority area, Yorkshire and The Humber. Show S71 3RN on a map.

Other trade companies in S71

Also registered at this address

2 other companies use the same registered office as Koncept Group Limited.

What happens if Koncept Group Limited 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 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
08285386
Status
Active
Company type
Private limited company
Incorporated
7 November 2012 (13 years ago)
Registered office
Unit 5A, Humberside Way, Barnsley, South Yorkshire, S71 3RN
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
14 September 2025
Charges (mortgages)
2 outstanding of 2 registered
Previous names
Koncept Maintenance Ltd (until 6 Oct 2020)

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in Barnsley

Other active specialist construction companies registered in Barnsley.

All specialist construction companies in Barnsley · All trades in Barnsley · Specialist contractors across the UK

Frequently asked questions

When are Koncept Group Limited's accounts due?

Koncept Group Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is Koncept Group Limited's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Koncept Group Limited still trading?

Koncept Group Limited is listed as active on the Companies House register (checked 12 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 Koncept Group Limited do?

Koncept Group Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Koncept Group Limited?

Koncept Group Limited was incorporated on 7 November 2012, 13 years ago.

What is the penalty if Koncept Group Limited 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 Koncept Group Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.

File accounts + CT600File now£49Let's talk