Every tender for university cleaning services asks about accreditations. BICSc. CHAS. ISO. Living Wage. The list gets longer every year. But not all accreditations carry equal weight, and having a certificate on the wall does not always mean what procurement teams assume it means.

This guide breaks down the accreditations that are genuinely meaningful for student accommodation cleaning, explains what each one actually verifies, and flags where a certificate might not tell you the full story.

BICSc: The Cleaning Industry Standard

The British Institute of Cleaning Science is the professional body for the cleaning sector. Their Licence to Practice programme is the most widely recognised training standard in UK cleaning.

What it means: staff have been trained and assessed against BICSc's cleaning competency framework. This covers correct techniques, COSHH awareness, colour-coded cleaning systems, and hygiene standards.

Why it matters: BICSc training is practical and specific. It ensures that the people cleaning student rooms understand the science behind what they are doing, not just the motions. A team trained to BICSc standard will understand why different cloths are used for different surfaces, why cross-contamination between bathrooms and kitchens is a health risk, and how to dose chemicals correctly.

What to watch for: ask whether the contractor's own staff are trained, or whether they simply hold an organisational membership. There is a difference between a company that pays a membership fee and a company whose cleaning teams have individually completed the Licence to Practice.

CHAS: Health and Safety Verification

The Contractors Health and Safety Assessment Scheme is one of the most requested accreditations in UK procurement. CHAS Premium is the higher tier.

What it means: the contractor's health and safety management system has been independently assessed against the SSIP (Safety Schemes in Procurement) core criteria. This covers risk assessments, method statements, accident reporting, insurance, and management competence.

Why it matters: CHAS verification gives procurement teams confidence that the contractor has a functioning H&S system, not just a written policy. For student accommodation work, where teams are operating in occupied buildings with safeguarding requirements, this baseline is essential.

What to watch for: CHAS is assessed annually, so check the expiry date. Also note that CHAS assesses systems, not outcomes. A contractor can have excellent policies on paper and still run a poor operation on site. CHAS tells you the framework is in place. It does not tell you whether it is being followed on every shift.

ISO Standards: 9001, 14001, and 45001

The three ISO standards most commonly referenced in cleaning tenders are:

Which matter most for university cleaning?

ISO 45001 is arguably the most relevant. Student accommodation cleaning involves physical work in varied environments, chemical handling, working at height (for some window and high-level cleaning), and operation in buildings that may still be partially occupied. A genuine occupational health and safety management system, not just a certificate, directly protects both the cleaning team and the university.

ISO 9001 matters because it demonstrates a systematic approach to quality. In a summer turnover, where 250+ rooms need to pass inspection every day, having documented processes for tracking, measuring, and improving quality is not optional.

ISO 14001 is increasingly important as universities pursue net zero targets. If your institution reports on Scope 3 emissions, your cleaning contractor's environmental management directly affects your numbers.

The cost question

ISO certification is expensive. Annual audits, consultant fees, and the administrative overhead of maintaining the system add up. Some smaller specialist contractors meet every requirement of the ISO standards in practice but choose not to pursue formal certification because the cost does not make commercial sense for their size.

This is worth considering during evaluation. A contractor who can demonstrate ISO-equivalent processes through their operational track record, H&S documentation, and client references may be delivering the same standard as a certified competitor. The certificate confirms the system exists. It does not confirm that the cleaning is better.

Living Wage Foundation

What it means: the contractor pays all staff at least the Real Living Wage, which is higher than the government's National Living Wage. The Real Living Wage is independently calculated based on the actual cost of living.

Why it matters: cleaning is physically demanding work. Companies that pay the minimum tend to get minimum commitment. Higher wages attract better candidates, reduce turnover, and improve morale. In a sector where the average tenure is measured in months, paying above the floor is one of the most effective retention tools available.

For universities with social value commitments, requiring Living Wage Foundation accreditation from cleaning contractors is a straightforward way to demonstrate that commitment in practice.

What to watch for: some contractors pay the Real Living Wage without formal Living Wage Foundation accreditation. The accreditation confirms it, but absence of the badge does not always mean absence of the practice. Ask for payroll evidence if the accreditation is not held.

Constructionline and SafeContractor

Constructionline is a UK government-backed certification scheme that pre-qualifies contractors for public sector work. It verifies financial standing, insurance, health and safety, and environmental management.

SafeContractor is a similar scheme focused on H&S compliance, used widely in both public and private sectors.

Both are useful as pre-qualification filters. They reduce the administrative burden on procurement teams by confirming that basic due diligence has been completed. But neither tells you anything specific about the contractor's ability to clean student accommodation at scale. They are baseline checks, not quality indicators.

IOSH, CITB, and IPAF

These are individual training and membership bodies rather than company-level accreditations:

These matter most for the individuals holding them. A contractor whose MD holds SMSTS certification and whose site supervisors hold IOSH Managing Safely has invested in competence at the management level. That filters down to the operation.

Modern Slavery and EDI Statements

While not accreditations in the traditional sense, modern slavery statements and Equality, Diversity and Inclusion policies are increasingly required in university tenders.

Companies above the turnover threshold are legally required to publish a modern slavery statement. But some smaller contractors, particularly those operating in sectors with high migrant workforce representation, voluntarily implement due diligence across their operations and supply chain even when not legally obligated. That voluntary commitment often signals a more genuine engagement with the issue than a mandatory statement published to meet a legal deadline.

The Bottom Line: Accreditation Is a Baseline, Not a Guarantee

Accreditations confirm that systems, policies, and training meet defined standards. They are necessary. They are not sufficient.

A contractor can hold every accreditation on this list and still deliver a poor turnover if their operational model is wrong, their staff retention is poor, or their supervision is inadequate. Equally, a contractor who meets every standard in practice but has chosen not to collect every certificate may be the strongest operator in the room.

The best approach for procurement teams is to use accreditations as a filter, not a decision. They narrow the field. They do not pick the winner. For that, you need to look at the operational model, the staffing approach, the client references, and the track record.

See the standards we hold ourselves to, or get in touch to discuss your requirements.