The standards we hold ourselves to
Our accreditations and memberships
The accreditations and memberships we hold represent our commitment to delivering construction to the highest standards, across quality, safety, sustainability, cyber security and professional practice.
Investors in People Gold
Our people are our greatest asset. This accreditation reflects the investment we make in developing, supporting and retaining the talented individuals who deliver your projects.
Mates in Mind
We take mental health and wellbeing seriously across our workforce. As a Mates in Mind supporter, we are committed to creating a working environment where every member of our team feels supported.
5% Club — Platinum Member
The award of Platinum member status acknowledges that we are well above the industry average in providing earn and learn opportunities across our business, developing the next generation of construction professionals and investing in the long-term skills of our industry.
Cyber Essentials Plus
Your project data and our operational systems are protected to the highest standard. Cyber Essentials Plus certification gives you confidence that we take information security seriously across every aspect of our business.
JOSCAR registered
Our JOSCAR registration demonstrates that we meet the rigorous supply chain standards of the defence and aerospace sectors — an important credential for clients working within those environments.
BSI ISO 14001 / 9001 / 45001
Independently certified across environmental management, quality management and occupational health and safety — three of the most important international standards in construction.
CHAS
Our CHAS accreditation provides independent verification of our health and safety competence, giving you assurance that we manage risk properly across every project we deliver.
SAFEcontractor
Independently assessed and approved for health and safety compliance, SAFEcontractor accreditation is recognised across the public and private sectors as a mark of a responsible contractor.
Constructionline
Pre-qualified across commercial, financial and health and safety standards, our Constructionline membership simplifies your due diligence process and confirms that we meet the criteria that matter to procurement teams.
CIOB
As members of the Chartered Institute of Building, we are part of the professional body that sets the standards for construction management and practice across the industry. Click here to learn more about the CIOB.
NICEC
As NICEIC-approved contractors, we are independently assessed to ensure our electrical work meets the highest standards of safety, quality and compliance with UK regulations.
Achilles Network — Silver Plus
Our Silver Plus status on the Achilles network confirms that we meet the sustainability and compliance standards that responsible procurement programmes across multiple sectors look for in their supply chains.
Building a Safer Future Charter
Registered Signatory of the Building a Safer Future Charter, embedding its principles into our operations. Building safety remains central to our decisions and project delivery, reinforcing trust and confidence in the work we do.
CLOCS
Being CLOCS (Construction Logistics and Community Safety) registered shows our commitment to the UK-wide standard that goes beyond legal compliance, reducing risks linked to construction vehicle movements and improving safety for everyone.
FORS
FORS accreditation demonstrates that we meet all legal requirements and operate safe, well-managed vehicles across our business.
Armed Forces Covenant
At Sinden, we are proud to support the Armed Forces Covenant and recognise the valuable contribution made by serving personnel, reservists, veterans, cadets and military families. We are committed to ensuring that those who serve, or have served, in the Armed Forces, along with their families, are treated fairly and with respect.
Our commitment includes promoting awareness of the Armed Forces community across our business, supporting reservists in balancing their military and civilian careers, and creating employment opportunities for veterans, service leavers and military families.
Through training, outreach, education and volunteering, we aim to strengthen our connection with the Armed Forces community and play our part in ensuring that no member of that community faces disadvantage as a result of their service.
