Costain Upstream Limited company overview
Costain Upstream Limited is a private limited company registered with company number SC336371. It was incorporated on 18 Jan 2008 and its current status is active.
The registered office is at Neo House, Riverside, Aberdeen, Scotland, AB11 7LH. The company has 6 active officers. It was previously called Clerkmaxwell Limited and 1 other name.
Costain Upstream Limited upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 26 Jan 2027
Corporation tax payment
Due 1 Oct 2027
Dates are the ones Companies House holds for this company. Late accounts trigger automatic Companies House penalties starting at £150, and HMRC charges interest on late corporation tax.
Costain Upstream Limited at a glance
18 years
Trading age
6,876 days since incorporation
6
Active officers
Nicole, Paul, Peter, Susannah
160
Filings on record
Latest: 16 Jul 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Costain Upstream Limited
Former officers
19 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
71121
Engineering design activities for industrial process and production
Allowable expenses for Costain Upstream Limited
Based on Costain Upstream Limited's SIC code (71121), these are typical tax-deductible expenses for a professional & creative services company. Claiming them lowers the profit you pay corporation tax on.
Design tools & equipment
Creative software, cameras, drawing tablets and props.
Professional memberships
HMRC-approved professional body subscriptions.
Business travel
Trains, flights, hotels and subsistence for client work.
Working from home
A share of household bills or the £6-a-week flat rate.
Vehicle & mileage
45p a mile for the first 10,000 business miles in a personal car.
Staff & director salaries
Wages, employer NI and pension contributions paid through PAYE.
Accountancy & legal fees
Bookkeeping, year-end accounts, tax advice and company secretarial costs.
Business insurance
Public liability, professional indemnity and employer's liability cover.
Phone & internet
Business mobile contracts, broadband and a share of home internet.
General guidance only — every expense must be wholly and exclusively for business. Ask an accountant
Tax guide for businesses like Costain Upstream Limited
How much tax does a professional & creative services company pay?
UK companies pay corporation tax at 19% on profits up to £50,000, rising to 25% above £250,000, with marginal relief in between. Claiming every allowable expense reduces taxable profit.
Does a company like Costain Upstream Limited need to register for VAT?
VAT registration is compulsory once taxable turnover passes £90,000 in any rolling 12 months. Many businesses register voluntarily to reclaim VAT on costs.
How much does an accountant cost for a limited company in Scotland?
Fixed-fee accountants typically charge £60–£200 a month for a small limited company, covering year-end accounts, corporation tax and the confirmation statement.
Can directors of Costain Upstream Limited pay themselves in dividends?
Most small company directors take a low salary plus dividends. Dividends are paid from profits after corporation tax, with an annual £500 dividend allowance.
Filing history
16 Jul 2026 · AA
Audit exemption subsiduary accounts made up to 31 Dec 2025
16 Jul 2026 · PARENT_ACC
Legacy
16 Jul 2026 · GUARANTEE2
Legacy
16 Jul 2026 · AGREEMENT2
Legacy
2 Jul 2026 · CH01
Director's details changed for Mr Peter Leslie Mumford on 2 Jul 2026
18 Jun 2026 · TM01
Termination of appointment of Philip Charles Anthony Suter as a director on 12 Jun 2026
21 May 2026 · AP01
Appointment of Ms Helen Margaret Willis as a director on 21 May 2026
21 May 2026 · AP01
Appointment of Mr Paul Anthony Morris as a director on 21 May 2026
21 May 2026 · AP01
Appointment of Ms Susannah Natalie Taylor as a director on 21 May 2026
21 May 2026 · AP01
Appointment of Mr Peter Leslie Mumford as a director on 21 May 2026
21 May 2026 · AP01
Appointment of Mr Jonathan Kevin Willcock as a director on 21 May 2026
12 Jan 2026 · CS01
Confirmation statement made on 12 Jan 2026 with no updates
5 Nov 2025 · TM01
Termination of appointment of Samuel Michael White as a director on 3 Nov 2025
16 Jul 2025 · AA
Audit exemption subsiduary accounts made up to 31 Dec 2024
29 May 2025 · PARENT_ACC
Legacy
29 May 2025 · GUARANTEE2
Legacy
29 May 2025 · AGREEMENT2
Legacy
15 Apr 2025 · CH01
Director's details changed for Philip Charles Anthony Suter on 6 Mar 2025
15 Jan 2025 · AD01
Registered office address changed on 15 Jan 2025
13 Jan 2025 · CS01
Confirmation statement made on 9 Jan 2025 with no updates
Showing the latest 20 of 160 filings. See the full history on Companies House
Accounting services for Costain Upstream Limited
From tax to payroll, find accountants who look after every part of Costain Upstream Limited’s finances.
Year-end accounts
Statutory accounts prepared and filed with Companies House on time, every year.
Corporation tax
CT600 returns filed with HMRC and tax planned so you only pay what you owe.
Payroll
Pay your team on time every month, with RTI submissions and pensions handled.
VAT & bookkeeping
Keep your books tidy and your VAT returns MTD-ready all year round.
Confirmation statement
Your annual confirmation statement checked and filed before the deadline.
Management accounts
Monthly or quarterly reports so you can see how the business is really doing.
More about Costain Upstream Limited
About Costain Upstream Limited
Costain Upstream Limited is a UK private limited company based in Scotland, registered at Companies House as company number SC336371 since 18 Jan 2008. Its listed activities include engineering design activities for industrial process and production. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Costain Upstream Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Costain Upstream Limited has 160 filings on record. Keeping on top of these deadlines avoids automatic penalties from Companies House and HMRC, which start at £150 for late accounts.
Looking for an accountant in Scotland?
Businesses like Costain Upstream Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near Scotland and get free quotes in minutes.
This page shows public information from Companies House. Director of Costain Upstream Limited?
Costain Upstream Limited – frequently asked questions
What is the company number of Costain Upstream Limited?
Costain Upstream Limited is registered at Companies House under company number SC336371.
When was Costain Upstream Limited incorporated?
Costain Upstream Limited was incorporated on 18 Jan 2008 as a private limited company.
Who are the directors of Costain Upstream Limited?
Current officers are Nicole Ann Geoghegan (secretary), Paul Anthony Morris (director), Peter Leslie Mumford (director), Susannah Natalie Taylor (director), Jonathan Kevin Willcock (director) and Helen Margaret Willis (director).
What does Costain Upstream Limited do?
The company's registered nature of business (SIC) is 71121 – Engineering design activities for industrial process and production.
Where is Costain Upstream Limited registered?
The registered office address is Neo House, Riverside, Aberdeen, Scotland, AB11 7LH.
Is Costain Upstream Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was audit exemption subsiduary accounts made up to 31 Dec 2025 on 16 Jul 2026.