Custom hardware and embedded software development

We offer a specialized embedded system design team with the technical capabilities to solve any challenge that may arise during the design, development, testing and maintenance of your IoT product’s hardware and firmware.

Specialists in embedded systems and IoT products

If you are looking for a complete turn-key solution or you would like us to help you in a specific phase of your product development, our team of business, hardware and software engineers will be able to assist you.

About us

We are a team of engineers with extensive experience in hardware and firmware for embedded systems and IoT products.

We help our clients to ensure that the development process of their embedded system or IoT product is as fast, efficient, and simple as possible. From the earliest stages, through to device certification and production.

We have carried out large-scale international projects for multinationals in the Energy (Smart Metering), Electric Mobility and Telecommunications sectors.

Our services

Looking for a partner to develop your IoT product?

Our expertise and know-how allow us to help you in the design, development, and testing of your product. We make it happen in the most efficient way possible. We take into account the entire product lifecycle. The only thing you have to worry about is producing and launching it on the market.

Do you have an IoT product in development?

If you need support at any stage of your product’s hardware or firmware development, our team of engineers will be able to help you.

Do you need to test your product?

We design and automatically carry out the tests that will ensure that all the hardware and firmware requirements of your product are covered.

Do you need help with the certification of your product?

We do all the necessary pre-certification tests, and accompany you in the process of certification.

Looking for support and maintenance for your product?

We can help you with the support and maintenance of the firmware of your device. We support you with triage, fixing bugs or developing new functionalities.

Our experience


Years of experience

Products we have been involved in the development of

Countries in which our clients have deployed devices


Hours of experience in pre-certification testing and product certification


Research projects in which our team has participated throughout its career.

Hours of experience in automated testing of IoT devices


Devices we have worked on that are successfully deployed in the field

Why work with us?

“Your partner to bring your dream IoT Product to life.”

Solid and experienced team

We give you access to an experienced team of embedded hardware and software engineers.

Commitment and flexibility

We embrace each project as our own and adapt to the needs of our clients, whether for turnkey projects or as an extended team


Our headquarters are in Seville (Spain) and we have a commercial office in London (UK), which allows us to be closer to our main clients.


Extensive knowledge of the Smart Energy and IoT industry

We have a deep understanding of the energy, electromobility and telecommunications sector. We can advise you and help you turn your IoT ideas into successful value propositions in the market


A team focused on innovation and constantly searching for new solutions. We are not content with what already exists. Every technology, process or product can be improved.


Pre-certification capability

We have access to specific laboratory equipment for the certification of electrical, electronic and radio equipment. This will save you a great deal of time and resources when certifying your product.


Woodswallow UK

5 Merchant Square
W2 1AY. London. UK

Woodswallow HQs

Camino de los
Descubrimientos 11
Sevilla. Spain

Woodswallow UK

5 Merchant Square
W2 1AY. Londres
Reino Unido

Woodswallow HQs

Camino de los
Descubrimientos 11
Sevilla. España


We are always looking for passionate hardware and embedded software engineers to join our team. If you are interested, please send you resume to or visit our ‘Jobs’ section to see our latest openings.

Woodswallow S.L., within the framework of the ICEX Next Programme, has received support from ICEX and co-financing from the European ERDF fund. The aim of this support is to contribute to the international development of the company and its environment.