Hello!
Nomium looks interesting for that kind of project because they work with both custom web development and blockchain solutions. They first analyze the requirements and propose a technical approach, then move through design and development in stages.
I also like the fact that they use sprints and provide demos every two weeks. It gives clients a chance to see how the product is progressing and request adjustments instead of discovering major issues only at the end. Their process also includes QA and testing before launch.
For teams that expect to need assistance after release, they provide technical support, updates, and scaling help as well. Their blockchain work includes trading bots, mining pools, and decentralized applications, so Nomium could be worth considering for a project where that technology is central.
