Spark Mason LTD
ActiveLiveSpark Mason LTD is an active private limited company incorporated on 29 Aug 1996 (30 years ago), with its registered office in Wantage, South East. The company operates in Professional services.
The score, the reasons behind it, and what to do next.
Active, reachable and in a growing market
A registered office is on file; phone and web are checked on Pro.
Companies House · ONS · Nomis · General opportunity model · 100% of the model measurable
Financials
From Spark Mason LTD's filed accounts at Companies House, period ending 2025-08-31. Change vs the prior year (to 2024-08-31). As-filed figures — a signal, not an audited verdict. Dashes are not tagged in the accounts.
A long-standing professional services business in South East, in a market growing 5.9% a year and growing faster here than nationally. Every signal in the model was measurable for this company.
CompetitionRead this one the other way round: a high number means a crowded market, where differentiation matters more than timing.
Answers: Is this a live, reachable business in a market worth being in?
A balanced read. Pick the lens that matches what you sell and every number on this page re-weights.
Accounts are next due 31 May 2027; the last set was made up to 31 Aug 2025.
What this means for you: Filings are up to date, which makes this an easier first conversation.
What we checked · General opportunity weighting
Rows marked Not checked are excluded from the score rather than assumed — the missing weight shows up as lower confidence, not as a worse company.
Commonly offered to a company like this
These are sector norms, not detected needs. CompaniesIQ never asserts what a company requires — only what the register does and does not show.
Answers: is this market big, growing and survivable — and is the region ahead or behind?
Sector size & momentum
This sector is growing faster in South East than nationally — a regional tailwind worth tracking.
Companies House · every incorporation with a SIC code in this sector (32 codes)
How long companies last here
Of every 100 companies started in this sector, roughly 44 are still trading five years later. This company is past that point.
The market around it
Where the sector is heading
- 1South East is a very high-density market for professional services, with about 196,526 companies in the same industry.
- 2Formation is running ahead of the national average here (+7.0% vs +5.9%), pointing to a regional tailwind.
- 3Around 15,683 new companies registered in this industry locally over the last year.
- 4Sector survival sits at 44% over five years — the benchmark for businesses in this classification.
Answers: how crowded is this market, and where does this company sit against its peers?
Score distribution
A quick score from register status and company age only, because that is all the peer list carries. To compare like with like, this company is placed on the same quick score (100) — not the full 68/100 at the top of the page. Treat it as a position, not a ranking.
Peer companies
| Company | Incorporated | Location | Overall signal | Quick score |
|---|---|---|---|---|
| D Kneale Associates Limited 04430616 · SIC 71200 | 03 May 2002 | South East | Active | 100 |
| MRC Associates Limited 06063150 · SIC 71121 | 23 Jan 2007 | South East | Active | 100 |
| Abe Electrical LTD 12896914 · SIC 43210 | 22 Sept 2020 | South East | Active | 89 |
| Airtight Building Solutions LTD 08728417 · SIC 71122 | 11 Oct 2013 | South East | Active | 100 |
| Advanced Analysis Limited 03329573 · SIC 71200 | 07 Mar 1997 | South East | Active | 100 |
| Midaas Star Limited 11010646 · SIC 71122 | 12 Oct 2017 | South East | Active | 100 |
| Blue Cat Technical Limited 06598722 · SIC 70229 | 20 May 2008 | South East | Active | 100 |
| Iomech LTD 12149705 · SIC 71121 | 12 Aug 2019 | South East | Active | 96 |
| Professional Engineering Services Global LTD 15749382 · SIC 70229 | 29 May 2024 | South East | Active | 69 |
| Astute Technical Services Limited 07260302 · SIC 71200 | 20 May 2010 | South East | Active | 100 |
| M + E Engineers Limited 03622848 · SIC 33200 | 27 Aug 1998 | South East | Active | 100 |
| Parker Acoustics LTD 13346406 · SIC 71111 | 20 Apr 2021 | South West | Active | 86 |
| Gatco LTD 07794545 · SIC 71200 | 03 Oct 2011 | North West | Active | 100 |
| Selsoft Dataflow It LTD 12411780 · SIC 62012 | 20 Jan 2020 | Unknown | Active | 93 |
| Noise Control Limited 10162933 · SIC 70229 | 04 May 2016 | North West | Active | 100 |
| 177 Electrical LTD 12082022 · SIC 71200 | 03 Jul 2019 | East Midlands | Active | 96 |
| Lumina Health Tech Limited 14089046 · SIC 70229 | 05 May 2022 | London | Active | 80 |
| Sunstar Validation Limited 06250003 · SIC 71200 | 16 May 2007 | Yorkshire & the Humber | Active | 100 |
| GWL Compliance LTD 14841706 · SIC 43210 | 02 May 2023 | East Midlands | Active | 74 |
| Halo Inspection Services Limited 07993763 · SIC 71129 | 16 Mar 2012 | Yorkshire & the Humber | Active | 100 |
| Kernow Microbiology LTD 11416453 · SIC 71200 | 14 Jun 2018 | South West | Active | 100 |
| Clientserver Technology Solutions LTD 13091496 · SIC 70229 | 19 Dec 2020 | London | Active | 88 |
| Discovery Gem Lab LTD 15733397 · SIC 71200 | 21 May 2024 | London | Active | 69 |
| G Hagen Welding Services Limited SC585685 · SIC 71200 | 15 Jan 2018 | Scotland | Active | 100 |
Answers: what is formally on the public register — and what has not been filed yet?
Timeline
- Confirmation statementConfirmation statement with no updates28 Aug 2026
- Accounts filedAccounts with accounts type total exemption full26 May 2026
- Confirmation statementConfirmation statement with no updates02 Sept 2025
- Accounts filedAccounts with accounts type total exemption full28 May 2025
- Confirmation statementConfirmation statement with no updates03 Sept 2024
- Accounts filedAccounts with accounts type total exemption full29 May 2024
- Change person director company with change date24 Nov 2023
- Change person director company with change date10 Nov 2023
- Change person director company with change date10 Nov 2023
- Confirmation statementConfirmation statement with no updates08 Sept 2023
Showing the 10 most recent of 25 filings. Upgrade for the complete history.
Company details
- Company
- Spark Mason LTD
- Number
- 03243597
- Registered office
- Boston House Grove Business Park, Downsview Road, Wantage, OX12 9FF
- Incorporated
- 29 Aug 1996
- Type
- Private limited company
- Nature of business
- 71200 — Architectural & engineering; 85590 — Other education n.e.c.
- Status
- Active
- Region
- South East · England
- Accounts
- Next due 31 May 2027
- Confirmation statement
- Next due 10 Sept 2027
Connected companies
Other companies run by the same directors are checked on paid plans — each appointment is a separate register lookup.
Who runs and owns it
CompaniesIQ presents evidence drawn from Companies House and ONS. Figures marked as modelled are derived from population and sector data. Scores are indicative, re-weight with the lens you choose, and are not financial, credit or legal advice.