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Made by Alastair Campbell

PAYMENTCHECK
HomeCompany SearchBlogAwards
Sectors›Professional Services›AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED

AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED

PaymentCheck Score 2025
84Good
↑ 3.2vs last year
#1447 in UK
#640 in London

Company Information

Company Number
05532606
Registered Address
Cottons Centre, Cottons Lane, London, United Kingdom, SE1 2QG
Status
Active
Employee Count
55
Turnover
£20,675,000
EBITDA
-£948,000

Additional Details

Website
https://ch2m.com
Company Type
Private limited Company
Incorporated On
10 August 2005
Nature of Business
71129 - Other engineering activities
Industries
Professional Services
Region
London
Eligible for Certification

Score of 83.8/100 qualifies for PaymentCheck Certification

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Time to Pay

Average Time to Pay
26 days
Shortest Period:7 days
Longest Period:60 days
Max Contractual:60 days

Payment Timeline

Within 30 Days
82%
31-60 Days
17%
After 60 Days
1%
Not Paid Within Terms21%

Payment Features

Participates in Codes✗ No
E-Invoicing✗ No
Supply Chain Finance✗ No

Payment Score History

Excellent (80+) Good (60-79) Fair (40-59) Poor (20-39) Very Poor (<20)

Performance Reports History

Reporting Period Filed: 2025-01-14
Reporting PeriodFiling DateAverage Time to Pay (days)Paid within 30 daysPaid 31-60 daysPaid after 60 daysNot Paid within Terms
01 Jan 2025 - 30 Jun 202530 Jul 20252678%20%2%14%
01 Jul 2024 - 31 Dec 202414 Jan 20252682%17%1%21%
01 Jan 2024 - 30 Jun 202410 Jul 20243470%27%3%15%
01 Jul 2023 - 31 Dec 202311 Jan 20242479%18%3%21%
01 Jul 2022 - 31 Dec 202226 Jul 20233082%12%5%16%
01 Jan 2022 - 01 Jul 202221 Jul 20226271%25%4%23%
01 Jan 2021 - 30 Jun 202130 Jul 20212871%19%10%18%
01 Jul 2020 - 31 Dec 202029 Jan 20212478%18%4%17%
01 Jan 2019 - 30 Jun 201901 Jul 20192478%13%9%9%
01 Jul 2018 - 31 Dec 201801 Jul 20191385%13%2%2%

Payment Time Trends

Payment Distribution Trends

Invoice Payment Practices

This information is as reported by the business, and responses are in their own words.

Payment Terms

Standard payment terms

The company does not have a standard contractual length of time for payment of invoices. The procurement team will generally set payment terms in conjunction with the supplier. If terms are not defined by one of the parties the default period will be set to 30 days.

Were there any changes to the standard payment terms in the reporting period?

No information available

Any other information about payment terms

n/a

Maximum contractual payment period agreed

60

Dispute Resolution Process

In the event of an invoice being disputed, the supplier should contact the accounts payable team by email. If the accounts payable team do not know why the invoice has not been approved for payment the matter will be passed to the appropriate department/contact in order to resolve the dispute.

Other Payment Information

Has this business signed up to a code of conduct or standards on payment practices?

For example, signatories to The Prompt Payment Code must commit to paying 95% of their invoices within 60 days.

❌

Does this business offer e-invoicing in relation to qualifying contracts?

This is where suppliers can electronically submit and track invoices. It's not just allowing suppliers to email them an invoice.

❌

Does this business offer supply chain finance?

This is where a supplier who has submitted an invoice can be paid by a third-party finance provider earlier than the agreed payment date. The business would then pay the finance provider the invoiced sum.

❌

Under its payment practices and policies, can this business deduct sums from payments under qualifying contracts as a charge for remaining on a supplier list?

❌

During the reporting period, did the business deduct sums from payments as a charge for remaining on a supplier list?

No information available

Company Summary

CH2M HILL INTERNATIONAL NUCLEAR SERVICES LTD is a global engineering and project management company that specializes in providing solutions for the nuclear industry. They have a strong commitment to sustainability and are dedicated to creating a cleaner and safer world for future generations.

Their sustainability program is focused on reducing their environmental impact, promoting ethical business practices, and supporting local communities. They have implemented measures such as reducing carbon emissions, promoting diversity and inclusion, and supporting local charities.

The company offers a wide range of products and services, including engineering design, project management, decommissioning, and waste management. They also provide consultancy services to help clients navigate complex regulatory requirements and ensure compliance with industry standards.

The key people at CH2M HILL INTERNATIONAL NUCLEAR SERVICES LTD include CEO Mark Fallon and Managing Director Steve O'Sullivan, who bring a wealth of experience and expertise to the company. They are supported by a team of skilled professionals who are committed to delivering high-quality and innovative solutions to their clients.

For further information, the company's website address is www.ch2m.com and their registered office address is 1 New York Street, Manchester, M1 4HD, United Kingdom. With their strong focus on sustainability and expertise in the nuclear industry, CH2M HILL INTERNATIONAL NUCLEAR SERVICES LTD is a leading player in the global market.

Financial Metrics

Cash
£2,614,000
Net Worth
£46,911,000
Total Current Assets
£56,190,000
Total Current Liabilities
£9,279,000

Company Location

PaymentCheck

Our mission is to change the culture of late payments in the UK and help save over 55,000 companies every year which close due to cashflow issues.

Services

  • Payment Check
  • Business Solutions
  • API Access
  • Invoice Calculator
  • Get Certified

Company

  • About Us
  • Contact
  • Blog
  • Search Archive
  • Compare
  • EULA
  • Privacy Policy
  • Terms and Conditions

Awards

  • Methodology
  • 2025 Awards
  • 2024 Awards
  • 2023 Awards
  • 2022 Awards
  • 2021 Awards
  • 2020 Awards

Contact

  • office@paymentcheck.co.uk
  • +44 (0) 7915 608 057
  • Send Your Story

© 2026 Payment Check Ltd

Registered Address: 3rd Floor Suite 207 Regent Street London W1B 3HH

Made by Alastair Campbell