Opus Online

Beyond Web and Software Engineering

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Opus is an award-winning custom software development company, focusing on end-to-end solutions and digital transformation. We provide custom e-commerce and web-software development services to all your business needs. Starting from initial analysis to full support of the finished project. Opus is here to offer you the complete IT development package, efficiently turning even complex requirements into easy to use solutions.

We cover all aspects of development, starting from consulting and planning, all the way to supporting and further developing the finished software. 11+ years and hundreds of successful projects have forged our people into a highly efficient team of more than 40 talented professionals.

$50 - $99/hr
50 - 249
Pärnu mnt 139c, Tallinn, Harju 11317

Focus Areas

Service Focus

  • Software Development
  • Web Development
  • Web Designing (UI/UX)
  • Maintenance & Support
  • App Designing (UI/UX)

Client Focus

  • Medium Business
  • Small Business

Industry Focus

  • Healthcare & Medical
  • Telecommunication
  • Hospitality

Opus Online Clients & Portfolios

OMD Cannes Festival
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OMD Cannes Festival
  • OMD Cannes Festival screenshot 1
  • OMD Cannes Festival screenshot 2
$50001 to $100000
25 weeks
Art, Entertainment & Music

Opus developed OMD’s Cannes Festival and CES Event websites and mobile apps. The sites were designed on the Expressible content platform that was engineered by our own team. Opus provided a full web and mobile development package, delivering web development, apps, UX design and UI. The team analysed, streamlined and upgraded every point of contact between the agency and the customers, giving a distinct competitive edge with exceptionally user-friendly UI and engaging UX.

OMD Worldwide is a global media agency and a subsidiary of Omnicom Group. OMD has been acknowledged as Most Creative Media Agency eight consecutive times and as Global Media Agency of the Year ten times in a row. The agency offers a solid range of services including media strategy, digital marketing, research and data analytics.

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  • Enigma screenshot 1
  • Enigma screenshot 2
$50001 to $100000
31 weeks
Information Technology

By harmonising and indexing the world’s public and private data, Enigma empowers professionals to discover hidden facts and connections like never before. Having developed a set of ingenious applications, Enigma leverages billions of data points to allow automated and intelligent decision-making. Their team consists of multitudinous highly skilled software developers, data scientists, graphic designers and business intelligence analysts. Enigma’s expeditiously growing team of experts is based in New York City and is backed by a remarkable roster of investors such as American Express Ventures, The New York Times, Crosslink Capital, Comcast Ventures and NEA.

Elisa Self-Service Portal
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Elisa Self-Service Portal
  • Elisa Self-Service Portal screenshot 1
$100001 to $500000
100 weeks


Elisa, a leading telecommunications company in Finland and Estonia needed the full digital package to sell its products and services.


Therefore they contacted Opus, because a complete solution is where we excel. We created a distinct site that almost every Estonian knows about, an easy to manage eCommerce solution and a self-service portal for Elisa's clients.


Between 2010 -2017 we partnered with Elisa to constantly strive to enhance the website on a daily basis, updating where necessary to meet growing demand and expectations.


Because of constant improvements, our web store has recieved a lot of public recognition, resulting in the biggest private client base since 2015, said the CEO of Elisa.

SEB Digital Banking
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SEB Digital Banking
  • SEB Digital Banking screenshot 1
  • SEB Digital Banking screenshot 2
$50001 to $100000
23 weeks
Financial & Payments


SEB, being one of the largest banks in Scandinavia, serves more than 5 million of companies and private customers in Sweden, Denmark, Norway, Finland, Estonia and Latvia, as well as numerous other countries all over Europe. 


Opus has partnered with SEB for over 5 years. Having successfully delivered exquisite design for their corporate site and mobile app, the bank knew who to trust with UI development services for SEB's digital banking solution. 


Using industry best practices, we designed the UI according to the image the bank wants to leave to its clients. While in the coding phase, we made sure that the end product was optimized for the clients to use through extensive end-user testing. 


And once again, the client was pleased with our work, strengthening our relationship even further. The outcome of the particular project has been an outstanding success, gaining significant positive recognition by the bank’s customers locally and abroad. A solid proof of that is the fact that the finished product was deemed the best digital banking solution in Estonia, according to Global Finance.

Diet Booster
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Diet Booster
  • Diet Booster screenshot 1
  • Diet Booster screenshot 2
  • Diet Booster screenshot 3
  • Diet Booster screenshot 4
  • Diet Booster screenshot 5
$50001 to $100000
37 weeks
Travel & Lifestyle


After numerous frustrating attempts with difficult and confusing weight loss plans, the team of what's now known as DietBooster, had an idea. They started working with scientific advisors from Estonian Universities on various topics (f.x. dietary advice, cognitive behavioral therapy, computer algorithms, etc.) to improve the current dieting systems.

But what they lacked was the know-how of getting their idea out there through a visually pleasing and fun to use mobile application and website. Luckily they contacted us, and what was once just a really good idea, became an innovative weight loss startup venture with plenty of success to show for itself.


We started off by assisting the startup establish a digital marketing strategy. Then, in our sessions of strategic and conceptual consultation, we moved on from advising DietBooster in creating a working user experience design plan to laying out our ideas on several key aspect of the system software development.


We then proceeded to deliver them a complete end-to-end website solution and a mobile app that got people using their digital product. In addition, we also took upon ourselves every design aspect of the solution and coded all of their IT systems. The result is a fast moving company that has huge market potential, thanks to opting for a thorough solution that gave us the possibility to bring out the best ideas and expertise from many specialists in our company.

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  • Rovio screenshot 1
  • Rovio screenshot 2
$50001 to $100000
29 weeks

The team at Opus developed a powerful and responsive site to enable Rovio to showcase their famous games, including the globally successful Angry Birds, a franchise that the company is probably best known for.

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