Top Tech Startups to Work For in 2026

Sequence Holdings is a permanent holding company that brings AI and engineering to the core of great American businesses.

Athlensa was founded on a simple premise: fitness professionals are business owners, and they deserve technology that builds their own brand, not someone else’s. For too long, trainers and coaching organizations have been forced to route their clients into generic directory platforms, where their branding is hidden and client data is mined. We believe in complete control, sovereignty, and scalability. THE FRAGMENTATION CRISIS Most coaching businesses run on a fragmented stack of disconnected tools: spreadsheets for programming, Stripe or invoicing platforms for billing, Calendly for bookings, WhatsApp for client communication, and intake forms hosted elsewhere. This tool fragmentation leads to administrative overload, broken onboarding workflows, and blurred professional boundaries. More importantly, it stunts growth and limits a business's ability to scale beyond traditional 1-on-1 coaching. A UNIFIED OPERATING SYSTEM Athlensa replaces disjointed utility tools with a cohesive, white-label business operating system. We provide the behind-the-scenes hosting infrastructure, billing engines, CRM pipelines, and client portals so your business can operate with maximum efficiency. By unifying client CRM metrics, automated memberships, calendar syncs, program design, and in-app communications, we help coaching studios and independent trainers run operations in one place. OUR CORE PILLARS Brand Sovereignty: You build your own equity. The platform lives on your custom domain, with your accent colors, logos, favicons, and styles. Data Portability: Your client records and business assets belong to you. We provide isolated database hosting configurations and complete JSON backups on demand. Operational Simplicity: By automating booking controls, payments, intake workflows, and notification limits, we preserve your boundaries and let you focus on coaching.

We are a blockchain R&D studio, driven by our commitment to bridging (pun intended) the divide between foundational blockchains like Bitcoin and the thriving DeFi ecosystem. Our core expertise lies in solving intricate blockchain challenges through rigorous research in the realms of cryptography, game theory, and protocol design. Our mission is to make web3 simple and hassle-free for everyone. No intimidating complexities, just pure potential. We began our journey in 2022, with a previous experience of building two billion-dollar web3 projects, Ren and Rook under our belt. Our flagship product is the Catalog wallet (catalog.fi), a unique implementation of a multichain wallet that lets you use native bitcoin directly on any app. We also help power web3 projects like WBTC Garden (garden.finance) to become cross-chain seamlessly. We are a lean and fast moving team of like-minded people and are passionate about making our mark in the DeFi space.