--- title: "Certifications & Insurance | A Slater & Son" description: "View our certificates: SafeContractor and CHAS Elite accreditation, Gas Safe registration, Guild of Master Locksmiths UK membership, GMLUK Level 3 Award and £5m liability insurance." lang: en-GB json-ld: | [ { "@context": "https://schema.org", "@type": "LocalBusiness", "@id": "https://aslaterandson.co.uk/#business", "name": "A Slater & Son Property Services Ltd", "alternateName": "A Slater & Son", "url": "/", "telephone": "07966 442128", "email": "garyslater@aslaterandson.co.uk", "image": "/favicon.png?v=20260520", "address": { "@type": "PostalAddress", "streetAddress": "1 Keasdon Cl", "addressLocality": "Middlesbrough", "postalCode": "TS3 7BD", "addressCountry": "GB" }, "geo": { "@type": "GeoCoordinates", "latitude": 54.5634, "longitude": -1.2154 }, "areaServed": [ "Middlesbrough", "Stockton", "Darlington", "Hartlepool", "Redcar", "Marske", "Saltburn", "Thornaby", "Ingleby Barwick" ], "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" ], "opens": "00:00", "closes": "23:59" } ], "sameAs": [ "https://www.facebook.com/AslaterandSonMiddlesbrough", "https://maps.app.goo.gl/Sb5mfY4nqMXfemXf9" ] }, { "@context": "https://schema.org", "@type": "Organization", "@id": "https://aslaterandson.co.uk/#organization", "name": "A Slater & Son Property Services Ltd", "alternateName": "A Slater & Son", "url": "/", "logo": "/favicon.png?v=20260520", "telephone": "07966 442128", "email": "garyslater@aslaterandson.co.uk", "sameAs": [ "https://www.facebook.com/AslaterandSonMiddlesbrough", "https://maps.app.goo.gl/Sb5mfY4nqMXfemXf9" ], "address": { "@type": "PostalAddress", "streetAddress": "1 Keasdon Cl", "addressLocality": "Middlesbrough", "postalCode": "TS3 7BD", "addressCountry": "GB" } }, { "@context": "https://schema.org", "@type": "WebSite", "@id": "https://aslaterandson.co.uk/#website", "name": "A Slater & Son Property Services Ltd", "url": "/", "publisher": { "@id": "https://aslaterandson.co.uk/#organization" }, "inLanguage": "en-GB" } ] --- [07966 442128](tel:+447966442128) [01642 253613](tel:+441642253613) [garyslater@aslaterandson.co.uk](mailto:garyslater@aslaterandson.co.uk) Locksmith line: 24/7 · Other trades: by appointment [![A Slater & Son Property Services Ltd logo](/assets/logo-BC-H4Xr3.png)](/) [Locksmith](/locksmith) Other Services Areas [About](/about)[Our Work](/our-work)[Reviews](/reviews)[Contact](/contact) [Call Now](tel:+447966442128) Verify us # Certifications, accreditations & insurance Every certificate we rely on is published here so you can check it yourself. Locksmith qualifications are held by Gary Slater personally; the accreditations and insurance are held by A Slater & Son Property Services Ltd. Certificates are shown as issued and each one carries its own reference number and expiry date. Northern Housing Awards 2025 — SME of the Year ## Locksmith qualifications (Gary Slater) These credentials are held by Gary Slater personally and relate to locksmithing. They are separate from the company accreditations below. - ### GMLUK Level 3 Award in Locksmithing Issued by Guild of Master Locksmiths UK · Held by Gary Slater - · Awarded 17/04/2026 - · Certificate number GS07021977170426 - · 21-week course, LTTA certified instructor [View certificate (Image)](/__l5e/assets-v1/fe305353-043c-4fba-91f2-5a1306ebc8a3/gmluk-level-3.png) - ### Guild of Master Locksmiths UK membership Issued by Guild of Master Locksmiths UK · Held by Gary Slater - · Member effective from 17/04/2026 - · Guild ID GS07021977170426 - · Course completion letter [View certificate (PDF)](/__l5e/assets-v1/96a429dd-bf54-45b0-8c96-886c80c74b47/guild-membership.pdf) - ### Safe Contractor Approved UK certificate of compliance Issued by Safe Contractor Approved UK (part of the Guild of Master Locksmiths awarding body) · Held by Gary Slater - · Data protection, consumer law and health & safety trained - · Public liability checked, DBS checked and cleared - · Dated 17/04/2026 [View certificate (Image)](/__l5e/assets-v1/7409f210-ab77-4fc6-8512-9c3489016787/safecontractor-award-gary-slater.png) - ### Lock bumping training (certificate of attendance) Issued by BumpKeys4U, delivered by Mark Ward (Qualified Master Locksmith) · Held by Gary Slater - · One day hands-on lock bumping training course - · Completed 15 July 2026 [View certificate (PDF)](/__l5e/assets-v1/5da7ba65-4cde-4fdd-99e4-177626af1981/lock-bumping-training.pdf) ## Company accreditations These accreditations are held by A Slater & Son Property Services Ltd and cover our building, property repairs and maintenance work. - ### Alcumus SafeContractor approval Issued by Alcumus SafeContractor · Held by A Slater & Son Property Services Ltd - · Certificate number KC4559 - · Issued 7 January 2026, valid until 21 February 2027 - · Awarded via the SSIP deem-to-satisfy process (CHAS originator scheme) [View certificate (PDF)](/__l5e/assets-v1/9fa84d7f-02c3-4fd8-b71f-b3ae128b8898/safecontractor.pdf) - ### CHAS Elite certificate of compliance Issued by CHAS (Veriforce) · Held by A Slater & Son Property Services Ltd - · Membership number CHAS-0017770 - · Issued 07/07/2026, valid until 07/07/2027 - · Assessed against the Common Assessment Standard [View certificate (PDF)](/__l5e/assets-v1/3d539127-7cc7-4a2f-9e58-5c9bbe7009ce/chas-elite.pdf) - ### Gas Safe Register registration certificate Issued by Gas Safe Register · Held by A Slater & Son Property Services Ltd - · Registration number 587389 - · Valid until 20 October 2026 [View certificate (PDF)](/__l5e/assets-v1/74e6f8ca-8139-49ce-8051-c2bb795f63e8/gas-safe.pdf) ## Insurance Cover is held with Hadron UK Insurance Company Limited, administered by Folgate Underwriting, for the period 14 May 2026 to 13 May 2027. - ### Verification of liability insurance Issued by Hadron UK Insurance Company Limited · Held by A Slater and Son Property Services Ltd - · Public and products liability: £5,000,000 - · Employers' liability: £5,000,000 - · Policy COV001/03544666/2026/002 [View certificate (PDF)](/__l5e/assets-v1/5a046d68-016f-4f2f-90cf-ad465217ee85/insurance-verification.pdf) - ### Employers' liability certificate Issued by Hadron UK Insurance Company Limited · Held by A Slater and Son Property Services Ltd - · Minimum cover £5,000,000 - · 14 May 2026 to 13 May 2027 [View certificate (PDF)](/__l5e/assets-v1/8a2420f3-e064-478c-832a-d1f4871da4ec/employers-liability.pdf) - ### Contractors combined policy schedule Issued by Coversure Insurance Services (Batley) · Held by A Slater and Son Property Services Ltd - · Business description: building contractors including property maintenance and repair - · Risk address: 1 Keasdon Close, Middlesbrough TS3 7BD [View certificate (PDF)](/__l5e/assets-v1/d89da4e3-7610-4504-8b4b-f28619073be5/insurance-schedule.pdf) ## Client references Written confirmation of work carried out for a housing provider. - ### Accent Housing Limited confirmation of works Issued by Accent Group Limited · Held by A Slater & Son Property Services Ltd - · Confirms works carried out for Accent Housing Limited, including locksmith services - · Signed by the Building Services Manager North East, 16 July 2026 [View certificate (PDF)](/__l5e/assets-v1/60141c73-ca54-4fac-a542-c561e25266f2/accent-housing-reference.pdf) Accreditation and registration bodies can be contacted directly to confirm the certificates above. If you need a current copy for a tender, contract or insurance file, email [garyslater@aslaterandson.co.uk](mailto:garyslater@aslaterandson.co.uk) or call 07966 442128. ![A Slater & Son Property Services Ltd](/assets/logo-BC-H4Xr3.png) A family-run property repairs and maintenance company serving Middlesbrough and Teesside. A Slater & Son has traded for over 30 years; the business incorporated as A Slater & Son Property Services Ltd in March 2025. Our dedicated locksmith service was added more recently, following formal locksmith training, and runs a 24/7 emergency line with a 4-hour response time. Fully insured with £5 million public liability cover and a 12-month workmanship guarantee. Award: Northern Housing Awards 2025 — SME of the Year Locksmith qualifications (Gary Slater): GMLUK Level 3 Award in Locksmithing · Guild of Master Locksmiths UK Member Company accreditations: TrustMark Approved · CHAS Elite · SafeContractor Approved [Call Now: 07966 442128](tel:+447966442128) [Office: 01642 253613](tel:+441642253613) [garyslater@aslaterandson.co.uk](mailto:garyslater@aslaterandson.co.uk) 1 Keasdon Cl, Middlesbrough TS3 7BD Locksmith line: 24/7 · Other trades: by appointment [Facebook](https://www.facebook.com/AslaterandSonMiddlesbrough) ## Services - [Emergency Locksmith](/locksmith) - [Damp Proofing](/damp-proofing) - [Plastering](/plastering) - [Plumbing](/plumbing) - [Painting & Decorating](/painting) - [Joinery](/joinery) - [Disabled Adaptations](/disabled-adaptions) - [Property Maintenance](/property-maintenance) - [Landlord Maintenance](/landlord-property-maintenance) ## Service Areas - [Middlesbrough](/middlesbrough) - [Stockton](/stockton) - [Darlington](/darlington) - [Hartlepool](/hartlepool) - [Redcar](/redcar) - [Marske](/marske) - [Saltburn](/saltburn) - [Thornaby](/thornaby) - [Ingleby Barwick](/ingleby-barwick) ## Company - [About](/about) - [Our Work](/our-work) - [Reviews](/reviews) - [Contact](/contact) © 2026 A Slater & Son Property Services Ltd T/A A Slater & Son Locksmith & Property Services. All rights reserved. Company No. 16298499 · Registered in England & Wales · Registered Office: Exchange Building, 66 Church Street, Hartlepool TS24 7DN · Trading address: 1 Keasdon Cl, Middlesbrough TS3 7BD. [Privacy](/privacy-policy)[Terms](/terms-conditions)[Cookies](/cookie-policy)[Certifications](/certifications) [Call Now](tel:+447966442128) [Get Quote](/contact) We use essential cookies to run this site, plus optional analytics cookies to see how it is used. [Cookie policy](/cookie-policy) Essential onlyAccept all