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ComGas Services UK Ltd
Weatherproof external ventilation ductwork installed by ComGas at South Farnham School
Commercial Contracts

Commercial Building Services Contracts

Term contracts for commercial estates: one coordinated contractor for gas, heating, plumbing, air conditioning and electrical work, set up around your buildings and your procurement rules.

  • Single and multi-site contracts
  • One contact across disciplines
  • CHAS and Constructionline accredited
How our contracts work

One contractor across the building services.

Managing separate contractors for gas, heating, plumbing, air conditioning and electrical work means separate contacts, schedules and invoices. A ComGas contract brings those disciplines under one coordinated arrangement with a single point of contact.

We start with the buildings and assets, agree what is covered and how often, and set out how reactive work, approvals and reporting will run. The arrangement can cover a single site or a multi-property estate.

For the planned maintenance itself, see Service & Maintenance and Planned Preventative Maintenance.

ComGas Services UK Ltd
Gas Safe · OFTEC · REFCOM F-Gas · CHAS · Constructionline

What a contract sets out

Agreed before work starts.

These are the points we agree with a client when a contract is set up.

Scope and assets

Which buildings and assets are covered, what each needs and how often, captured in an asset register where one is required.

  • Asset registers
  • Visit frequencies
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Single point of contact

One team coordinating gas, heating, plumbing, air conditioning and electrical work, instead of several separate contractors.

  • Coordinated scheduling
  • One route for requests
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Approvals and purchase orders

Approval thresholds, purchase-order rules, quotation requirements and invoicing contacts agreed at the outset.

  • PO and approval rules
  • Treatment of additional defects
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Reactive work

How urgent faults are reported and handled, with callout and priority-response options agreed as part of the contract.

  • Callout arrangements
  • Priority response by agreement
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Reporting and records

Clear reporting and remedial recommendations, with portal access for eligible maintenance accounts.

  • Maintenance records
  • Customer Portal access
Find out more

Procurement documents

Accreditation certificates and health and safety documentation for pre-qualification and tender submissions.

  • CHAS and Constructionline
  • Gas Safe, OFTEC and REFCOM F-Gas
Find out more
Real customer feedback

What customers say about ComGas.

Genuine reviews from ComGas customers, submitted through Google.

Contract questions

Frequently asked questions.

Every estate is different, so contracts are scoped to the buildings and assets involved.

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Can one contract cover several buildings?

Yes. We can discuss asset registers, visit frequencies, access requirements and reporting across multiple properties, then propose a suitable maintenance structure.

How do reactive repairs work under a contract?

Faults are reported through the agreed route and handled under the arrangements in the contract. Callout and priority-response options are agreed when the contract is scoped; we do not publish standard response times.

Can you work to our purchase-order and approval process?

Yes. Approval thresholds, purchase-order rules, quotation requirements, invoicing contacts and call-out authorisation can be set at the start, along with how additional defects or out-of-scope work are handled.

Can you provide documents for our procurement process?

Yes. We can supply accreditation certificates, insurance details and health and safety documentation for pre-qualification and tenders.

Start a conversation

Discuss a commercial contract.

Tell us about the buildings, assets and current arrangements, and we’ll propose a contract structure that fits.

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Discuss a Commercial Contract

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