Professional Services Companies

Proleo.io is a public relations and marketing agency that provides services to cryptocurrency, blockchain, Web3, and NFT projects. The agency offers crypto public relations, influencer marketing, content creation, community management, and initial coin offering or token launch campaign services designed for the digital asset sector. Its clients include blockchain startups, decentralized finance protocols, NFT brands, and fintech companies. The agency has been listed in industry directories including Clutch and GoodFirms.

ReBlonde is a technology-focused public relations agency that offers dedicated PR services for crypto, blockchain, Web3, AI, cybersecurity, fintech, and defense tech companies. Its crypto-specific practice covers media placements in outlets such as CoinTelegraph, CoinDesk, The Block, Bitcoin Magazine, and Blockworks, making it a specialist for blockchain and digital asset projects seeking press coverage. The firm is led by CEO Motti Peer and positions itself as a boutique PR partner for startups and growth-stage companies rather than enterprises. Clients span multiple verticals within the crypto and tech ecosystem, and the agency competes on sector expertise rather than generalist PR coverage.

Remote3 is a job board platform that aggregates employment listings in blockchain, cryptocurrency, decentralized finance, and non-fungible token sectors. The platform maintains a catalog of remote-first positions across roles including smart contract development, blockchain engineering, community management, and product management. Job seekers access listings directly, while employers post openings through a fee-based submission model. The platform operates as part of the Bondex ecosystem and provides supplementary services including real-time job alert notifications via Telegram and a talent matching service designed to connect web3 developers with employment opportunities.

Revenue3 is a specialized recruitment firm exclusively dedicated to placing top-tier go-to-market (GTM) talent within the cryptocurrency and Web3 industries. Led by a team of crypto-native executives with extensive operational experience, the firm focuses on client-facing roles such as sales, marketing, and business development. By leveraging a strategic advisor network of over 40 industry leaders, Revenue3 identifies and vets candidates with high precision. This specialized approach ensures that emerging blockchain projects and established protocols can scale their revenue teams with professionals who possess deep technical and cultural fluency.

Satoshi Action Fund is a nonprofit organization engaged in policy advocacy for Bitcoin and digital assets at the state level in the United States. The organization develops model legislation addressing consumer protections, Bitcoin usage rights, and financial freedom principles. Its activities include drafting legislative proposals, educating lawmakers, and coordinating grassroots advocacy campaigns. The organization has produced model bills that have been adopted across multiple states. Its work encompasses direct lobbying, legislator education programs, and grassroots mobilization efforts.

Satoshi Consult is a Norwegian consultancy providing Bitcoin-related services to businesses and individuals. For businesses, the firm offers Lightning Network point-of-sale system implementation for merchant payment processing, Lightning node operation management, and API integration support. For individuals, services include cold storage setup, multisignature self-custody configuration, and inheritance planning for Bitcoin holdings. The firm has been involved in Bitcoin payment infrastructure projects, including airport payment systems, and provides educational services through presentations and workshops on Bitcoin and Lightning Network technology.

ScaleBit is a blockchain security firm operating as a sub-brand of BitsLab, specializing in smart contract audits and security assessments for the Bitcoin ecosystem and emerging blockchain networks including Solana, ICP, Berachain, Monad, and others. Its core service offering consists of code audits, technical reliability reports, and security council participation for blockchain protocols and DeFi projects. Clients include Merlin Chain, UniSat, Manta Network, Nervos CKB, and Rooch Network, reflecting a focus on Bitcoin Layer 2s and newer ecosystems. ScaleBit also publishes audit reports publicly via GitHub and its own verification portal, targeting project teams seeking third-party security credentialing prior to mainnet launches.

Secure3 is a Web3 security audit firm providing smart contract and blockchain security services through a decentralized, competitive auditor model. Its primary offering is an Audit Contest platform where multiple independent auditors compete to identify vulnerabilities in client codebases. The platform operates on the principle that competitive auditing surfaces more bugs than traditional single-team audit approaches. The firm serves clients across DeFi, NFTs, GameFi, zero-knowledge systems, wallets, and lending protocols. Secure3 also functions as a security council member for blockchain ecosystems, extending its role beyond point-in-time audits into ongoing security governance responsibilities.

Sentnl is a blockchain security firm that provides smart contract audits, blockchain protocol audits, EVM audits, penetration testing, fuzzing, and tokenomics audit and design services. The firm operates across multiple blockchain chains and serves protocol developers, DeFi projects, and enterprise Web3 teams. Sentnl's technical approach emphasizes protocol-level analysis, with documented discovery of critical vulnerabilities in Ethereum client implementations. The firm publishes audit reports and certificates on GitHub to provide transparency regarding reviewed projects. Services are designed to identify security vulnerabilities and design issues in blockchain systems and token mechanisms.

SlowMist is a blockchain and smart contract security firm providing audit and threat intelligence services to cryptocurrency industry participants. The firm offers exchange security audits, wallet security audits, blockchain protocol audits, and smart contract audits, along with red teaming, incident response, and defense deployment services. SlowMist operates MistTrack, an on-chain anti-money-laundering and asset-tracing tool, and maintains a Blockchain Threat Intelligence platform that aggregates data from community partners to support collaborative threat defense. The company serves crypto exchanges, wallet providers, DeFi protocols, and blockchain projects requiring gray-box and white-box security assessments.

Softstack is a service firm providing smart contract security audits, blockchain development, and Web3 consulting across multiple blockchain ecosystems. The security practice includes smart contract auditing and cybersecurity assessments. The development arm supports various blockchain ecosystems and programming languages, delivering custom decentralized application builds and protocol integrations. The firm operates internal research divisions including TixLabs and BioHash, with BioHash focused on Web3 biometric authentication systems. Softstack functions as a full-service provider offering combined technical development and advisory services for blockchain-based projects.

Solidproof is a Germany-based smart contract auditing and KYC verification firm serving blockchain and DeFi projects. Its core services include security audits of smart contracts, know-your-customer (KYC) verification for project teams, contract development, marketing support, and consulting. The firm also offers proactive Web3 security monitoring for real-time detection and prevention of on-chain attacks, as well as integration with the Lossless token security framework. Solidproof primarily serves crypto project founders, token issuers, and launchpad-listed teams seeking third-party credibility and security assurance before public launches.

Sygna, a product of CoolBitX, provides modular crypto compliance software designed to help Virtual Asset Service Providers (VASPs) meet global AML and Travel Rule obligations. Its core product, Sygna Bridge, enables encrypted peer-to-peer exchange of originator and beneficiary information between VASPs in compliance with FATF Travel Rule requirements. The platform also includes Hub and Gate modules for integrated AML screening and transaction monitoring. All Sygna products are ISO/IEC 27001 certified, with built-in GDPR compliance for personal data protection. The solution targets crypto exchanges, custodians, and other regulated VASPs across multiple jurisdictions seeking to satisfy regulatory requirements without building compliance infrastructure in-house.

Syntagma Labs is a research and advisory firm providing services to blockchain and cryptocurrency industry projects. The firm offers tokenomics design, whitepaper and pitch deck preparation, market research, financial modeling, and go-to-market strategy development. Its methodology emphasizes data-driven validation of strategic assumptions and quantitative analysis prior to implementation. The firm serves clients across distributed ledger technology, decentralized finance, Web3 gaming, and fintech sectors, working with projects at various development stages from concept through production. Syntagma Labs also operates a program supporting female entrepreneurs and women-led startups in the Web3 industry.

Technicorum operates as a conglomerate of technical expert companies, offering IT solutions tailored to businesses' needs. Their core focus lies in enhancing operational efficiency and effectiveness through technology integration. Each company within Technicorum specializes in various aspects of IT services, spanning from software development and data analytics to cybersecurity and network infrastructure management. By leveraging their expertise, Technicorum aims to optimize organizational processes and drive business growth for their clients across diverse industries. Their collaborative approach enables them to understand specific company requirements and deliver tailored solutions to address challenges and capitalize on opportunities in the ever-evolving digital landscape. Through a combination of technical prowess and industry insight, Technicorum endeavors to provide comprehensive IT support to empower businesses to thrive in a competitive market environment.

The Bitcoin Adviser is a consultancy providing advisory services for Bitcoin holders and corporate entities. The firm offers security setup assistance, estate planning, inheritance structuring, and retirement planning services. Core offerings include guidance on self-custody arrangements, multisignature wallet configuration, and structured continuity plans for asset transfer to beneficiaries. The consultancy also provides advisory services on corporate Bitcoin treasury strategy and collateralized borrowing arrangements using Bitcoin holdings as security. Services are designed for clients seeking long-term asset security and wealth preservation planning rather than trading-focused strategies.

The Red Guild is a crypto security research organization focused on advancing blockchain security through open research, tools, and educational resources produced for the public good. The organization develops security tooling and publishes reference material aimed at helping developers, auditors, and ecosystem participants identify and mitigate vulnerabilities in smart contracts and blockchain protocols. Its work is oriented toward the broader Ethereum and Web3 developer community rather than a single commercial client base. The Red Guild has collaborated with the Ethereum Foundation, including co-launching the ETH Rangers Program, reflecting a positioning as a public-goods contributor within the crypto security space.

The UK Cryptoasset Business Council (UKCBC) is a trade association representing companies operating in the UK's crypto, blockchain, and Web3 sectors. The organization functions as a collective voice for member companies in interactions with policymakers, regulators, and legislators. It operates working groups designed to facilitate collaboration and knowledge sharing among members and publishes policy papers and reports addressing issues relevant to the UK crypto industry. Governance is structured around an elected Chair and Policy Council, with NorthPoint Strategy serving as the secretariat. The UKCBC is sector-specific to cryptoassets and focuses on policy advocacy and industry coordination rather than operating financial or technical crypto products.

VBNL (Verenigde Bitcoinbedrijven Nederland) is a trade association established in 2014 that represents bitcoin and cryptocurrency businesses operating in the Netherlands. The organization functions as an industry coordination body, engaging with government agencies, the Public Prosecution Service, Team High Tech Crime, and the Dutch Payments Association on regulatory and policy matters. Member companies participate in monthly meetings addressing risk management, fraud prevention, know-your-customer (KYC) procedures, and anti-money laundering (AML) process development. Members operate under a shared code of conduct that establishes standards for ethics, transparency, and client protection. The association serves as a structured point of contact between the Dutch crypto sector and regulatory institutions navigating applicable frameworks such as MiCAR.

Vicox Legal is a boutique law firm based in Spain advising international investors, family offices, and high-net-worth individuals on real estate acquisition using cryptocurrency, digital asset taxation, blockchain compliance, and corporate structuring across Spain, Portugal, and Luxembourg. The firm offers specialist services including crypto-to-real-estate transaction management, Luxembourg company formation, crypto tax advisory, and legal support for blockchain and AI projects. Its client base skews toward international investors seeking multi-jurisdictional legal coverage in Europe, with a noted partnership with Banxa for crypto real estate transactions. The team is small and specialist, with named attorneys focused on technology law and financial consulting.

Vox Consulting is a blockchain advisory and business development firm founded in 2016 by Olga Vorobyeva, based in the French-speaking region of Switzerland with offices in San Francisco, Miami, London, and Zurich. The firm provides consulting services to blockchain, DeFi, and NFT startups in areas including capital formation, product strategy, and go-to-market execution. Its team includes professionals with backgrounds in Fortune 500 finance and technology companies. The firm operates as an intermediary connecting token-based ventures with institutional capital networks, including angel investors, venture funds, exchanges, and market makers. The typical client base consists of early-stage to growth-stage crypto and Web3 projects requiring assistance with fundraising, product-market fit development, and community growth strategies.

XChain is a blockchain forensics and advisory firm offering transaction monitoring, on-chain analytics deployment, and risk framework development for regulators, financial institutions, law enforcement agencies, and VASPs. The firm provides near real-time forensic reports, suspicious transaction reconciliation, travel rule compliance assessments, and flow-of-funds tracing across blockchain networks. Its client base spans government regulators, global banks, and crypto exchanges, with services aligned to frameworks including VARA, FCA, MiCA, and FATF. XChain recently joined Ghana's SEC regulatory sandbox to test virtual asset services, indicating active engagement with emerging-market regulators.