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Privacy Policy

This Privacy Policy explains how DAO AIRSPACE LTD collects, uses, stores and protects personal information in the course of delivering integrated systems design, control software engineering, cloud architecture, data integration and related technical services. The developer Dao Airspace and the wider team are committed to handling personal data with care, honesty and respect for the rights of every individual.

Last updated: 1 January 2026

Contents

  1. Who We Are
  2. Scope Of This Policy
  3. Information We Collect
  4. How We Collect Information
  5. Why We Use Information
  6. Our Legal Bases
  7. Cookies And Similar Technologies
  8. How We Share Information
  9. International Transfers
  10. How Long We Keep Information
  11. How We Protect Information
  12. Your Privacy Rights
  13. Privacy For Children
  14. Third Party Services
  15. Changes To This Policy
  16. Complaints And Regulators
  17. How To Contact Us

Who We Are

DAO AIRSPACE LTD is an integrated systems practice that designs control software, cloud architecture and data pipelines for organisations running complex operational environments. The company is registered in the United Kingdom and works from its office in Cambridge. For the purposes of applicable data protection law, DAO AIRSPACE LTD is the controller of the personal information described in this policy, which means the company decides why and how that information is used.

The registered details of the company are as follows:

DAO AIRSPACE LTD

3 Anderson Court, Newnham Road, CAMBRIDGE - CB3 9EZ, United Kingdom (GB)

The developer known as Dao Airspace leads the technical work of the practice and takes responsibility for the engineering decisions described on this website. Enquiries about privacy may be directed to the contact details set out near the end of this policy. The company aims to answer every privacy question in plain language and within a reasonable time.

DAO AIRSPACE LTD does not operate as a data broker, does not sell personal information and does not trade personal data for advertising revenue. Personal information reaches the company only because individuals choose to make contact, because clients provide it in the course of an engagement, or because it is generated automatically when a person visits this website.

Scope Of This Policy

This policy covers personal information that DAO AIRSPACE LTD collects through this website, through email and telephone contact, through commercial discussions with prospective clients, and through the delivery of professional services. It also covers information generated when visitors browse the pages of this website, including technical records created by the hosting environment.

The policy does not cover the practices of other organisations. Where this website links to a third party resource, that resource operates under its own privacy arrangements, and DAO AIRSPACE LTD does not control those arrangements. Visitors are encouraged to read the privacy information provided by any third party before submitting personal information to it.

Where DAO AIRSPACE LTD processes information on behalf of a client as part of a systems engagement, that processing is governed by the written agreement between the company and the client, together with any data processing terms attached to it. This policy describes the general practices of the company and does not replace those specific contractual arrangements.

This policy applies to all visitors, prospective clients, existing clients, suppliers and other individuals who interact with DAO AIRSPACE LTD, regardless of where they are located. Additional rights may apply to individuals in particular jurisdictions, and those are described in the relevant sections below.

Information We Collect

DAO AIRSPACE LTD collects several categories of personal information, and the categories that apply depend on how an individual interacts with the company.

Information provided directly

When a person completes the contact form on this website, sends an email or telephones the office, the company may receive a name, an email address, a telephone number, an organisation name, a job title and the content of the message. Where a client engagement begins, the company may also receive business contact details, correspondence, meeting notes and information required to deliver the agreed services.

Information generated automatically

When a person visits this website, the hosting environment may record technical information such as the internet protocol address, the browser type and version, the operating system, the referring page, the pages viewed, the date and time of each request and the approximate geographic region derived from the address. This information is used to keep the website available, secure and reasonably fast.

Information from business relationships

In the course of a professional relationship, DAO AIRSPACE LTD may hold correspondence, contracts, invoices, project records and technical documentation that contain personal details. Such material is kept only for as long as it is needed for the purposes described in this policy.

Sensitive information

DAO AIRSPACE LTD does not seek sensitive personal information such as health data, political opinions, religious beliefs or biometric identifiers. Individuals are asked not to include such information in website enquiries, because it is not needed to answer a question or to scope a piece of technical work.

How We Collect Information

Most personal information reaches DAO AIRSPACE LTD because an individual chooses to provide it. The contact form on this website, ordinary email and telephone calls are the primary channels, and each of them depends on a positive action by the person concerned. The company does not purchase personal information from list providers, does not scrape personal profiles from social networks and does not obtain personal data from undisclosed sources.

Some information is generated automatically when the website is used. This includes server records created by the hosting platform and any measurement tools that have been enabled to understand how the site performs. The company keeps such collection to the minimum needed to operate and improve the website responsibly.

Information may also be received from a client or a supplier in the ordinary course of a professional relationship. For example, a client may share the contact details of its project staff so that the work can proceed, or a supplier may provide an account manager as a point of contact. In such cases the company uses the information only for the purpose for which it was provided.

Where information is collected through cookies or similar technologies, the relevant section of this policy explains what is involved and how preferences can be expressed. DAO AIRSPACE LTD favours minimal use of such technologies and avoids tracking that is not necessary for the website to function.

Why We Use Information

DAO AIRSPACE LTD uses personal information for a small number of clearly defined purposes. Each purpose is connected to a genuine operational need, and the company does not repurpose information for unrelated activities without a proper basis.

  • To respond to enquiries submitted through the contact form, by email or by telephone.
  • To scope, propose, deliver and support the professional services that clients request.
  • To maintain and improve the availability, security and performance of this website.
  • To manage commercial relationships, including invoicing, record keeping and account administration.
  • To meet legal, regulatory and accounting obligations that apply to the company.
  • To protect the rights, property and safety of the company, its clients and its staff.
  • To communicate important changes to policies, services or business arrangements.

The company does not use personal information to make automated decisions that produce legal or similarly significant effects on an individual. Profiling of that kind is not part of the business model, and the services are delivered by people who exercise judgement rather than by systems that decide outcomes behind a wall.

Where information is used for a new purpose that is not described in this policy, DAO AIRSPACE LTD will explain the change and, where required, seek consent before proceeding. Individuals may always ask why a particular item of information is being used and receive a direct answer.

Our Legal Bases

Where data protection law requires a legal basis for processing, DAO AIRSPACE LTD relies on the grounds set out below. The ground that applies depends on the activity in question and on the relationship between the company and the individual.

Legitimate interests

The company relies on legitimate interests to answer enquiries, to operate and secure the website and to conduct ordinary business communication. These interests are balanced against the rights of individuals, and the company keeps the processing involved to the minimum needed for the purpose.

Performance of a contract

Where a person or organisation has engaged DAO AIRSPACE LTD to provide services, the company processes personal information as needed to perform that contract and to take steps at the request of the other party before a contract is formed.

Legal obligation

The company processes certain information to comply with legal duties, including accounting, tax and record keeping requirements that apply to businesses operating in the United Kingdom.

Consent

Where consent is the appropriate basis, for example for an optional communication preference, the company will ask for it clearly and will honour a withdrawal of consent as promptly as possible. Consent is never a condition of using this website for a purpose that does not require it.

Individuals who wish to understand which basis applies to a specific activity may contact DAO AIRSPACE LTD using the details at the end of this policy.

Cookies And Similar Technologies

This website is built to work without intrusive tracking. Cookies are small files that a website can place on a device to remember information between visits. DAO AIRSPACE LTD uses cookies, and similar technologies such as local storage, only where they serve a legitimate and limited purpose.

Strictly necessary cookies may be used to keep secure sessions working, to remember display preferences and to protect forms against misuse. These cookies are needed for the website to function and cannot be switched off through the site interface, though a browser can be configured to block them.

Measurement cookies, where enabled, help the company understand which pages are useful and which are not. Such measurement is configured to avoid identifying individuals and to avoid building advertising profiles. Where the law requires consent for a non essential cookie, DAO AIRSPACE LTD will request it before the cookie is set.

Most browsers allow cookies to be reviewed, blocked or deleted through their settings. Blocking all cookies may affect how parts of this website behave. Questions about the technologies in use may be sent to the company at any time, and the company will explain what is present and why.

How We Share Information

DAO AIRSPACE LTD does not sell personal information and does not share it for advertising purposes. Information is disclosed only in the limited circumstances described below, and only to the extent needed for a legitimate purpose.

Service providers

The company uses suppliers for hosting, email, accounting and similar support functions. These suppliers process information on the instructions of DAO AIRSPACE LTD and are expected to protect it under written terms. They are not permitted to use the information for their own independent purposes.

Professional advisers

Legal, financial and insurance advisers may receive information where that is necessary to obtain professional advice or to manage a business matter. Such advisers are bound by their own professional duties of confidentiality.

Legal and regulatory disclosure

Information may be disclosed where the company is required to do so by law, by a court order, by a regulator or by a lawful request from a public authority. The company will disclose only what is required and will seek to notify the individual concerned where that is lawful and practicable.

Business changes

If the company is involved in a merger, acquisition, restructuring or transfer of assets, information may be transferred as part of that transaction. Any recipient would be required to honour this policy in respect of the information transferred.

International Transfers

DAO AIRSPACE LTD is based in the United Kingdom, and much of its processing takes place there. Some suppliers used by the company operate infrastructure in other countries, which means personal information may be transferred outside the country in which it was collected.

Where information is transferred internationally, the company takes steps to ensure that the information continues to receive an appropriate level of protection. These steps may include relying on an adequacy decision, using approved contractual terms with the recipient, or applying additional safeguards where the circumstances require them.

The company keeps records of the transfers it makes and reviews them periodically. Clients and individuals who wish to know more about a specific transfer may contact the company, and the company will explain the safeguards that apply in that case in clear terms.

Where a transfer would create a risk that cannot be adequately managed, DAO AIRSPACE LTD will consider whether the processing can be arranged differently so that the risk is avoided altogether.

How Long We Keep Information

DAO AIRSPACE LTD keeps personal information only for as long as it is needed for the purpose for which it was collected, together with any period required by law. Retention is reviewed periodically, and information that is no longer needed is deleted or anonymised.

  • Enquiries that do not lead to an engagement are normally kept for up to twenty four months so that a later follow up can be answered with context.
  • Client project records are kept for the duration of the relationship and for a defined period afterwards to support warranty, support and audit needs.
  • Accounting and tax records are kept for the period required by United Kingdom law.
  • Website server logs are kept for a short operational period unless they are needed for a security investigation.

Where information is subject to a legal hold, a complaint or an investigation, it may be kept for longer than the periods above until the matter is resolved. When a retention period ends, the information is removed from active systems and from backups in line with the backup cycle.

Individuals who wish to know how long a specific item of their information will be kept may ask the company, and the company will provide a clear answer based on the purpose involved.

How We Protect Information

Security is treated by DAO AIRSPACE LTD as a structural concern rather than a feature added at the end. The same engineering discipline that the company applies to client systems is applied to its own information handling.

Protective measures include access control based on need, encryption of information in transit, controlled administrative access, regular software maintenance and monitoring for unusual activity. Devices and accounts used to handle personal information are managed, and access is removed promptly when a person changes role or leaves.

The company keeps written records of its processing activities and reviews its arrangements when systems or suppliers change. Staff and contractors receive guidance on handling personal information, and they are expected to report suspected incidents promptly so that the company can investigate and respond.

No method of transmission or storage is completely secure, and DAO AIRSPACE LTD does not claim otherwise. The company aims to reduce risk to a level that is proportionate to the information involved and to act quickly and transparently if an incident occurs. Where a breach is likely to result in a risk to individuals, the company will notify those affected and the relevant regulator as required by law.

Your Privacy Rights

Data protection law gives individuals a number of rights in relation to their personal information. DAO AIRSPACE LTD respects those rights and will help individuals exercise them without undue difficulty.

Right of access

An individual may ask whether the company holds personal information about them and, if so, request a copy of it together with an explanation of how it is used.

Right to rectification

An individual may ask for inaccurate or incomplete information to be corrected. Where the company has shared the information with others, it will take reasonable steps to inform them of the correction.

Right to erasure

An individual may ask for information to be deleted where it is no longer needed, where consent has been withdrawn, or where the processing is unlawful. The right is not absolute, and it does not override legal duties that require the company to retain certain records.

Right to restrict processing

An individual may ask the company to pause the use of their information while a question about accuracy, lawfulness or legitimate interests is resolved.

Right to object

An individual may object to processing based on legitimate interests or to processing for direct marketing. The company will stop the processing unless it can demonstrate compelling grounds that outweigh the objection.

Right to data portability

Where processing is based on consent or a contract and is carried out by automated means, an individual may ask for their information in a structured, commonly used and machine readable format.

Right to withdraw consent

Where consent is the basis for processing, an individual may withdraw it at any time. Withdrawal does not affect the lawfulness of processing carried out before the withdrawal.

To exercise any of these rights, contact DAO AIRSPACE LTD using the details at the end of this policy. The company may ask for information needed to confirm identity before acting, and it will normally respond within one month.

Privacy For Children

This website and the services of DAO AIRSPACE LTD are intended for businesses and professional users. They are not directed at children, and the company does not knowingly collect personal information from children.

If the company becomes aware that it has collected information from a child without an appropriate basis, it will take reasonable steps to delete that information promptly. A parent or guardian who believes that a child has provided information to DAO AIRSPACE LTD may contact the company, and the matter will be investigated without delay.

The company encourages parents and guardians to discuss online activity with the children in their care and to use the controls available in browsers and devices to limit the information that websites can collect.

Third Party Services

This website may refer to or link to services operated by other organisations. Examples include email providers, hosting platforms and professional resources. DAO AIRSPACE LTD does not control those services and is not responsible for the way they handle personal information.

Where a third party service is embedded in a page, it may collect information about the visit under its own terms. The company keeps such embedding to a minimum and chooses suppliers that offer clear privacy documentation. Visitors who have concerns about an embedded service should review the privacy information provided by that service and adjust their browser settings if they wish to limit its activity.

References to third party products or standards on this website are provided for information and do not imply an endorsement of the privacy practices of those parties. Any question about a specific third party should be directed to that party in the first instance.

Changes To This Policy

DAO AIRSPACE LTD reviews this policy from time to time so that it continues to reflect the way the company works and the requirements that apply to it. When a change is made, the updated version is published on this page with a revised date at the top.

Where a change is significant, the company will take reasonable steps to bring it to the attention of individuals who are likely to be affected. Continued use of the website after an update indicates acceptance of the revised policy for the purposes of that use.

Previous versions of this policy may be requested from the company. Keeping a record of earlier versions helps individuals understand how the handling of their information has evolved over time.

Complaints And Regulators

DAO AIRSPACE LTD would like the chance to resolve any concern about privacy directly and promptly. An individual who is unhappy with the way their information has been handled should contact the company first, and the company will investigate and explain its findings.

Individuals also have the right to complain to a data protection regulator. In the United Kingdom the relevant authority is the Information Commissioner. In other jurisdictions the appropriate authority may be the one responsible for data protection in the place where the individual lives or works or where the alleged issue occurred.

The company will cooperate fully with any regulator that examines its handling of personal information. Making a complaint to a regulator does not remove the option of also raising the matter directly with DAO AIRSPACE LTD, and the company welcomes the chance to put things right.

How To Contact Us

Questions, requests and complaints about privacy may be sent to DAO AIRSPACE LTD using any of the channels below. The company asks that privacy requests are marked clearly so that they can be routed to the right person without delay.

DAO AIRSPACE LTD

3 Anderson Court, Newnham Road, CAMBRIDGE - CB3 9EZ, United Kingdom (GB)

Email: inquiries@daoairspace.lat

Telephone: +15675886473

Contact name: Cheng Liuqing

DAO AIRSPACE LTD appreciates the trust that individuals place in the company when they share personal information, and it works to deserve that trust in every interaction. This policy is intended to be a clear and honest account of what the company does, and any question about it is welcome.

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