In order for Stocksigns Ltd to keep up the exceptional service and products, they are checked and validated by industry bodies every year. Below are some of our memberships and accreditation which show off the hard work put in to maintain a high quality company.

Triple ISO Certification

ISO14001 Stocksigns and Alcumus

ISO 14001:2015

ISO 14001:2015  is the international standard for Environmental Management Systems. It supports efforts to reduce waste and energy consumption and limit environmental impact.

ISO45001 Stocksigns and Alcumus

ISO 45001:2018

ISO 45001:2018 is the international standard for Occupational Health and Safety Management Systems (OHSMS). Protecting the health, safety and wellbeing of employees, visitors and anyone affected by an organisation’s activities

ISO901 Stocksigns and Alcumus

ISO 9001:2015

ISO 9001 is the international standard for Quality Management Systems (QMS) and shows a business’ commitment to quality.

RISQS Verified Stamp Stocksigns Ltd


Railway Industry Supplier Qualification Scheme (RISQS) is an accreditation which formally recognises Stocksigns Ltd as “capable providers of products and services” to the GB rail industry.

constructionline gold Membership Stocksigns Ltd

Constructionline Gold

The membership is “an increase level of scrutiny and assurance”, which has been achieved through numerous validations assessments for our environmental management, quality management, equal opportunities, modern slavery act adherence, anti-bribery and corruption policies.

Achilles Building Confidence Advanced Member

Achilles BuildingConfidence Advanced

“The Achilles BuildingConfidence communities bring together suppliers and buyers in the UK Construction sector.” Stocksigns Ltd have been checked and validated to industry standards in order to achieve this membership, which is one way the company can show off their high quality work.

ARTSM Stocksigns Ltd


“ARTSM is an informed and influential force in the field of Highways and Transport. The Association seeks to benefit Members through its representative role, aiming to influence technological developments and improve standards in traffic engineering and operations.”

HSSA Assured

Stocksigns is a committee member of the Health and Safety Sign Association.

Approved Business

Stocksigns is listed in Approved Business, a leading UK business to business listing directory covering a variety of industry sectors.

Safe Working

To ensure safe working our installation crews are PASMA certified at User level (Mobile Access Towers) and CSCS certified (Construction Skills Certification Scheme).
Our site surveyors  are UKATA Asbestos Trained and certified by IPAF standards to operate Mobile Evaluating Work Platforms.