About Grewus

Are you looking for a competitive advantages?

At GREWUS, we develop and produce innovative acoustic signal sensores and haptic actuators for all industries and applications. You will find our products in many vehicles and industrial plants, in the office, in the household, and even in medical technology. You probably have already come into contact with our signalling devices, because we are one of the market leaders in our field worldwide. We also develop and manufacture suitable solutions for your products, always tailored to your requirements and with “sensible” added value for you and your customers.

Our mission

We are based on the north side of the historic Hanseatic city of Hamburg and have our heart at the right place. Since 2007, we have been there for our customers seeking to develop and manufacture customized solutions for industry. Our goal is always to offer exactly the right product with optimal quality at fair prices. We achieve this primarily by working closely with our customers: we believe that perfection can only be achieved if we really understand your needs. This philosophy has made us the market leader in just a few years. And that's something we're proud of.

OPEN, COLLEGIAL, PROFESSIONAL

We enjoy our work and have fun innovating. In close cooperation with our customers, we develop new ideas for individual acoustic and haptic components, always with an eye on your requirements and budget. We see ourselves as collegial contacts for our customers' employees and handle all enquiries quickly and flexibly without a lot of hassle. This is how we have continued to grow together with our customers.

EVERYTHING UNDER ONE ROOF

Whether you're in automotive, white goods, or medical technology, we know your industry and we know what matters most to you. That's why our specialists work together with you to create solutions for your individual requirements from acoustic signals to innovative haptic feedback systems. We help you find the right product for your application, adapt it to your needs and production processes, manufacture product samples, arrange for economical production, and ensure on-time delivery. In other words, you benefit from our expertise in every phase of your project.

AT EYE LEVEL WITH YOU

Our team consists of acoustic specialists and highly qualified sound engineers who keep up with the latest developments in the acoustic components industry. Some of our employees have been working in this field for over twenty years. This offers a solid guarantee of results and customer satisfaction. Our innovative and creative spirit and our desire to turn ideas into reality, constantly lead us to invent new and even better acoustic products.

Quality

In many cases, quality, reliability, and security can make or break the competitiveness of many industrial products. As a leading supplier for many industrial sectors, we ensure that our customer-specific products meet the highest quality requirements with well-designed product development, tested manufacturing processes, and comprehensive quality according to German standards: all at fair prices. Consider the following examples of how we work to see how you could benefit from working with us.

Certified parts and components

As the saying goes: “A chain is only as strong as its weakest link.” That's why we only work with reliable suppliers and subject every one of our parts and components to extensive quality controls. This is how we ensure that your products work perfectly.

100% reliability

We stand by our word: you can 100% depend on that. And if there should be any challenges, we will speak to you immediately and look for a solution immediately.

High degree of automation

Thanks to largely automated production processes and a high degree of networking, we have a comprehensive insight into ongoing production flows at all times and can intervene as necessary. Each individual production step can be traced back and checked in the event of an error. This also enables us to guarantee our customers the highest quality standards.

Technology

We are your colleagues in acoustics and haptics. That means: like a personnel development department, we work together with you on individual solutions that deliver maximum added value and cost efficiency. We check the specific requirements of your application, recommend the most suitable components, and adapt them to your application and production processes. And because we also include factors such as function, quality, sustainability, engineering costs, reliability, PPM number, and logistics in the development process, we will find the most cost-effective solution for you and your bottom line. Guaranteed!

Latest technologies

We do precision work so that your customers are completely satisfied. We ensure the consistently high quality of our products with the latest soldering and spot welding techniques as well as the most modern tools and machines. This increases reliability, minimizes rejects, and makes production more economical.

Latest technologies

In-house test laboratory

We use our own test laboratory with professional measuring equipment to your products through their paces. In addition to tests to ensure compliance with current industry standards, we also carry out long-term function tests, safety tests, and any specific tests you may request. We would be happy to inform you about our available test options.

Meet the team

We are anchored in Hamburg and serve our customers all over Europe from here. We set the pace across the industry for acoustic and haptic components. With a team of 17 acoustic and haptic experts, we develop innovative and individual solutions for every application. Together with our partner in China, we ensure reliable production and delivery according to the highest German quality standards. Get to know us, your colleagues for acoustics and haptics.

Why Grewus?

There are many reasons to choose GREWUS. For example, we can supply you with outstanding, individual products while you benefit from the time and cost advantages of our production processes. In addition, we provide competent advice and deliver all services from a single source so that you can concentrate on the essentials: your business. In addition to all these hard facts, we offer trusting, collegial cooperation that will make you and us confident and happy in your decision to work with us: this is an added value that many of our customers particularly value about us.

Individualized product development

GREWUS doesn't offer off-the-shelf products. We ask questions, make suggestions, and work with you to develop new ideas that deliver real added value. We use intelligent engineering to adapt, optimize, and align every one of our components to your application's requirements and your specific production conditions. This reduces product complexity and can considerably simplify many processes. This will save time, avoid unnecessary costs, and increase your competitiveness!

Fair, sustainable, and cost-efficient production

We manufacture most of our products in Changzhou, China, where we have modern, largely automated production facilities and benefit from the proximity of important suppliers. We pay attention to ensuring fair production conditions, comprehensive occupational health and safety, and adequate pay for our workers there. In this way, our employees are more satisfied, increasing manufacturing quality and minimizing waste. This enables us to produce more sustainably and environmentally friendly than the competition, but at the same cost. Come, see for yourself and visit our production facility

Everything from a single source

We offer you a full package of services related to the development, production, and delivery of individual acoustic and haptic components. From the initial consultation to quality assurance, certification, packaging, logistics, customs clearance, and storage and even returns management. This saves your company time, costs, and valuable human resources that you can use elsewhere.

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Contact us

CURIOUS ABOUT GREWUS?

There is no substitute for personal contact. If you have any questions about our solutions, we are happy to help. If you need further information, would like a personal product demonstration with samples, or are already interested in working together, we look forward to hearing from you. We are your colleagues in acoustics and haptics and are happy to help! Write, give us a call, or just drop by so that we can get to work for and with you.

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