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Senior Executives Agencies

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Kelta HR

Kelta HR is a specialist recruitment consultancy focused on connecting human resources, people operations, and talent-focused professionals with organizations that value effective people strategy. Operating as a niche partner, the firm supports hiring across core HR disciplines including generalist HR, talent acquisition, learning and development, reward and benefits, employee relations, HR systems and analytics, and payroll and HR administration. Kelta HR delivers three core services tailored to client needs and market conditions: permanent recruitment for building enduring in-house capability, executive search and interim management for leadership and change mandates, and temporary staffing for flexible coverage and project surges. Its consultants take a consultative, insight-led approach that blends targeted market mapping, deep candidate networking, and structured competency-based assessment to deliver shortlists that align experience, culture, and impact. For employers, the firm provides pragmatic guidance on role scoping, salary benchmarking, skills prioritization, inclusive selection processes, and offer and onboarding strategy, helping teams move from requisition to accepted offer with clarity and speed. For candidates, Kelta HR offers candid career advice, CV refinement, interview preparation, and transparent feedback to support confident decision making at every stage. The firm emphasizes discretion and integrity in handling confidential searches, and promotes inclusive hiring practices that expand access to opportunity while strengthening organizational performance. Whether building an HR function, backfilling a critical post, or securing an interim leader to steer transformation, clients rely on Kelta HR for responsive communication, market insight, and delivery discipline. Its process is designed to reduce time to hire without compromising quality, underpinned by thorough screening, reference checks where appropriate, and continuous engagement that keeps stakeholders aligned. By remaining focused on outcomes that matter to both employers and professionals, Kelta HR helps create resilient HR teams that enable organizations to attract, develop, and retain talent more effectively.

Permanent RecruitmentExec Search & Interim MgmtTemporary StaffingManagement ConsultingLegalAccounting (Audit, Tax)Project ManagementHuman ResourcesSenior Executives

HQHassocks, United Kingdom

Eureka

Eureka is a specialist life sciences recruitment partner connecting bold talent with pioneering companies across Biotech, MedTech, and HealthTech. Serving organisations from preclinical start-ups to commercial-stage innovators and CROs, the firm supports growth across scientific, clinical, regulatory, product, data, and go-to-market functions, with particular strength in leadership and C-suite hiring. Eureka’s services span executive and retained search for high-impact leadership appointments, direct hire and permanent recruitment for critical team build-outs, and contract recruitment to provide flexible, specialist capability at speed; this is complemented by talent advisory that helps founders, boards, and investors plan workforce needs, shape hiring frameworks, and develop leadership pipelines. Combining deep domain expertise with smart technology and a human-first approach, Eureka operates across North America, the UK, and Australia, delivering faster, sharper searches and a consistently high-touch experience for clients and candidates. The team embeds inclusive hiring practices—bias-aware job descriptions, structured interview frameworks, and fair resume evaluation—to help clients build globally diverse, high-performing teams. With a network spanning biotechnology, biopharma and emerging pharma, genomics, vaccines, medical devices, diagnostics, digital therapeutics, implantables, surgical technologies, AI diagnostics, clinical decision support, digital health platforms, remote monitoring, and predictive analytics, Eureka addresses the full life sciences spectrum. The firm’s methodology emphasises rigorous stakeholder briefing, market mapping, candidate engagement, and transparent feedback loops to secure leaders who drive scale, secure investor confidence, and accelerate innovation. Headquartered across Boston and London with reach across key hubs in the United States and beyond, Eureka is purpose-driven to make maximum industry impact by pairing exceptional people with mission-led companies—advancing breakthroughs that improve and save lives while helping talent build meaningful careers.

Exec Search & Interim MgmtPermanent RecruitmentContract StaffingHospital & Health Care (Nursing)PhysiciansPharmaceuticalsCybersecurityData ScienceIT Infrastructure

HQBoston, United States

Apollo League

Apollo League is an Australia-born platform that blends executive recruitment with smart capital to help early-stage and fast-growing private companies accelerate growth. Built by experienced fundraisers, the platform unites forward-thinking stakeholders—seasoned business leaders and executives who bring both investment and expertise—with companies seeking advisory, non‑executive, and executive board talent. Companies create rich profiles, publish board and advisory opportunities, and gain gated resources to sharpen their pitch to Smart Stakeholders. Stakeholders, in turn, access behind-the-curtain insight typically available at C‑suite or board level and can apply for roles by submitting resumes that demonstrate their track records, networks, and sector knowledge. The process is designed to foster transparency, alignment, and mutual benefit: companies strengthen their governance and leadership while accessing funding, and stakeholders amplify their returns by contributing time, knowledge, and connections. Remuneration models commonly include additional equity and, where appropriate, fees for services rendered, with many companies seeing funding outcomes within three to six months. Apollo League enforces a clear code of conduct through its application process to uphold professional integrity across its community. Described as both a fund‑raising portal and an executive recruitment portfolio, Apollo League leverages access to tens of thousands of business leaders in Australia and around the world, creating a dynamic marketplace where multiple board or advisory engagements can enhance individual credentials and multiply opportunities. The mission is simple and ambitious: connect cutting‑edge companies with Smart Money and leadership that share a common mission, transforming isolated transactions into enduring relationships that drive better decisions, stronger boards, and accelerated business outcomes.

Exec Search & Interim MgmtPermanent RecruitmentPayrolling/EORAll industriesSoftware DevelopmentCybersecurityLegalAccounting (Audit, Tax)Human Resources

HQMelbourne, Australia

Total Circle HR

Total Circle HR is a New Yorkbased human resources consultancy founded and led by Penny McNerney, SPHR, SHRM-SCP, that helps small and mid-sized organizations build healthy, compliant, and high-performing workplaces. Drawing on more than two decades of domestic and global experience across public, private, nonprofit, start-up, family-owned, educational, and unionized environments, the firm provides practical HR outsourcing and project-based solutions that cover the full employee lifecycle. Core capabilities include talent acquisition support and recruitment process optimization to help clients attract, hire, and retain qualified talent; structured onboarding and offboarding programs that reduce time-to-productivity and risk; policy, procedure, and employee handbook development; and employee relations, including discreet workplace investigations that protect people and businesses. Total Circle HR also guides culture and leadership development to strengthen engagement and communication at all levels, designs compensation structures and benefits communication to improve competitiveness and pay clarity, and manages compliance and risk through FLSA classification, HR audits, and emergency action planning. For larger initiatives, the firm delivers HR Solutions as defined SOW projectsleading HR technology selection, system and software implementation, and change managementso improvements are adopted and sustained. Its approach is transparent, collaborative, and outcomes-focused: consultants take the time to understand each clients goals, constraints, and culture, then tailor frameworks, workflows, and training that fit the organizations stage and resources. Clients value the ability to scale support, from fractional HR leadership to hands-on project delivery, while maintaining the human touch that builds trust with leaders and employees alike. Anchored in New York, NY and serving clients nationwide, Total Circle HR combines enterprise-grade rigor with small-business agility, sharing practical insights through its HR4U resources and partnering closely with owners and executives to streamline operations, strengthen compliance, and create cultures where people can do their best work.

RPOSOW/ProjectsTotal Talent MgmtManagement ConsultingLegalAccounting (Audit, Tax)Environmental ConservationPhilanthropyHigher Education (Faculty, Administration)

HQNew York, United States

Tardis Group

Founded in 1989, Tardis Group is a global human capital consultancy and recruitment partner that helps organizations secure critical talent and achieve sustainable growth. Operating across eight pivotal locations in Sydney, Perth, Hong Kong, Singapore, Tokyo, London, New York, and Texas, the firm combines deep sector expertise with disciplined search and selection methodologies to deliver consistent results. Tardis Group specializes in finance, technology, legal, healthcare, energy and resources, construction and infrastructure, commerce, commercial shipping, and consulting, supporting clients that range from innovative startups to leading multinational enterprises. Consultants are recognized experts in their fields, maintaining long term relationships with both clients and candidates and drawing on extensive international networks. The team executes mandates spanning hands on technical contributors through to C suite and functional leaders, reflecting proven capability in executive search alongside high volume and niche permanent hiring. In finance, the firm recruits across investment banking and corporate finance; in technology, coverage extends from service desk and infrastructure to data, embedded electronics, and enterprise leadership; and in infrastructure, research led talent mapping supports cross border assignments in the EU and US. Tardis Group blends rigorous market research, targeted sourcing, and transparent communication to ensure speed, quality, and cultural alignment, while championing diversity and inclusion throughout the hiring process. Clients engage the firm for permanent recruitment, executive search and interim leadership, and contract staffing solutions tailored to specific project timelines and business objectives. With more than 35 years of delivery across multiple jurisdictions, Tardis Group brings local market insight and global reach, underpinned by a collaborative approach that prioritizes outcomes, accountability, and long term partnership.

Permanent RecruitmentExec Search & Interim MgmtContract StaffingBankingInsuranceInvestment ManagementTelecomOil & GasRenewable Energy

HQSydney, Australia

HR Talent Alliance

HR Talent Alliance is a New Yorkbased boutique people and talent solutions firm that blends executive search, permanent recruitment, and on-demand HR advisory with career and leadership coaching. For employers, the firm delivers specialized executive search and full-cycle hiring support, operating as an embedded, in-house recruiter when needed to guide every step of the process. Its methodology covers role scoping, competency and skills definition, compensation calibration, and tightly targeted search campaigns, resulting in culturally aligned shortlists and a smooth candidate experience. Beyond hiring, HR Talent Alliance provides comprehensive people services, including performance management design, onboarding programs, employee relations guidance, training, and leadership development initiatives delivered flexibly on an as-needed basis. For individuals, experienced coaches offer practical career strategy, job search planning, resume and LinkedIn optimization, interview preparation, executive branding, and leadership coaching to support transitions at every career stage. With hands-on experience across financial services and professional services environments, the team brings real-world HR leadership and recruiting know-how, advising hiring managers on structured interviewing, selection best practices, and pay equity considerations. As a boutique practice, clients work directly with senior recruiters who prioritize responsiveness, transparency, and long-term relationships, while candidates benefit from honest feedback and tailored guidance. HR Talent Alliances search approach combines targeted outreach, network referrals, and confidential sourcing to engage passive talent, supported by behavioral assessments and structured screening that de-risk hiring decisions. Engagement models span retained executive search, contingent permanent placement, and project-based embedded recruiting, and the firms jobs portal streamlines the discovery and application process for open roles. Whether a growth-stage company making a pivotal leadership hire or an experienced professional planning the next chapter, HR Talent Alliance delivers practical, high-impact solutions exactly when and where they are needed.

Exec Search & Interim MgmtPermanent RecruitmentRPOBankingInsuranceInvestment ManagementHuman ResourcesTechnical WritingProject Management

HQNew York, United States

TALENTspy Executive Search

TALENTspy Executive Search is a partner-led executive search boutique headquartered in Munich, serving the DACH region and Western Europe with a distinctive focus on transformation, value creation and sustainable impact. Founded by former management consultants and operating executives more than 20 years ago, the firm was created to rethink search with a faster, transparent and genuinely candidate-centric approach. With over two decades of experience and more than 650 senior leadership placements, TALENTspy specializes in organizations undergoing change—growth, transformation or restructuring—as well as Private Equity funds, family offices, their portfolio companies, and leading management consultancies. The firm delivers C-level and senior functional leaders, operating partners and investment professionals, Chief Restructuring Officers, Chief Transformation Officers and program leaders, as well as board and advisory mandates and interim executives who can stabilize, pivot and accelerate performance. Its network centers on next‑generation leaders—the top 15% of professionals known for low ego and high impact—often with dual degrees and backgrounds in strategy consulting, investment banking and hands-on operational leadership. TALENTspy’s model combines direct search, deep sector and functional insight, senior partner engagement and access to hidden talent pools across Western Europe, particularly for roles in corporate strategy, M&A, operations excellence, commercial and value creation, and digital, data and AI-driven transformation. On the candidate side, the firm provides honest feedback, strategic coaching and long-term guidance before, during and after hiring processes. Recognized among Germany’s leading headhunters, TALENTspy is trusted for agility, discretion and results, reflected in strong client re-engagement and rapid delivery for time-critical mandates and team build-outs. Whether building a transformation taskforce, strengthening an investment team or appointing a portfolio CEO or CFO, TALENTspy connects top professionals with organizations that drive innovation, restructuring and growth.

Exec Search & Interim MgmtPermanent RecruitmentContract StaffingBankingInsuranceInvestment ManagementHuman ResourcesTechnical WritingProject Management

HQMunich, Germany

3Experts - Agentur für Fachkräftezuwanderung

3Experts GmbH is a Germany-based services company that specializes in organizing the immigration and employment of international skilled workers, apprentices, and executives for the German labor market. From its base in Essen, the team addresses the nationwide talent shortage with an end-to-end approach that combines targeted international recruitment with language preparation, visa processing, professional recognition procedures, relocation logistics, and early-stage social integration. Partnering with a network of international agencies, 3Experts manages the entire journey for both employers and candidates: it begins with multi-stage sourcing and selection abroad, continues with the co-creation of precise job and training profiles, and includes guidance on qualification, legal, and compliance requirements tied to German immigration and labor regulations. The firm then coordinates timelines and documentation with relevant authorities, oversees the recognition of foreign credentials, and supports arrival milestones such as accommodation and administrative registrations. After placement, 3Experts remains engaged for up to six months, providing intercultural counseling and a structured, three-step integration service to help new hires and apprentices settle into work and life in Germany. The company’s expertise is rooted in extensive hands-on experience in healthcare— including leadership in care facilities as qualified geriatric nurses and responsibilities in healthcare quality management— which informs its capacity to fill hard-to-staff roles in hospitals, long-term care, and related health services. Equally, it supports employers who wish to develop talent pipelines through Germany’s dual vocational training system by attracting motivated young people from abroad. Underpinning this comprehensive model are core principles of trust, transparent communication, and deep competence in skilled migration, supported by academic, policy, and practical experience in integration and migration. Operating multilingual (German, English, Turkish) channels, 3Experts collaborates closely with national and international stakeholders to deliver sustainable workforce mobility and long-term retention for employers while creating clear, supported career pathways for candidates.

Permanent RecruitmentExec Search & Interim MgmtRPOHospital & Health Care (Nursing)Healthcare AdministrationHealthcare & Life SciencesSenior ExecutivesGeneralist - white collar professionals

HQEssen, Germany

Spectacle Talent Partners

Spectacle Talent Partners is a Maryland-based executive career advisory and recruitment solutions firm serving clients nationwide. Founded by Susan (Sue) Gygax, a former corporate recruiting leader, the firm blends insider hiring expertise with practical, modern tactics to help senior directors, VPs, and C-suite executives land their next leadership role and to support employers in making critical hires. For executive candidates, Spectacle delivers a tailored, proactive approach to todays marketfar beyond generic coachingcrafting individualized strategies that elevate networking, interviewing, thought leadership, and salary negotiations while sharpening resumes and LinkedIn presence. The philosophy is simple, repeatable, and notable: build momentum through focused actions and measurable outcomes, supported by one-to-one guidance, accountability, and a holistic strategy that aligns each leaders unique value with real business challenges. Testimonials underscore tangible results, from increased recruiter outreach at top companies to confidence and clarity throughout complex interview processes. For hiring organizations, Spectacle provides recruitment solutions anchored in business strategyadvising on build-borrow-buy decisions, defining role outcomes, strengthening candidate experience, and executing executive and key professional searches. The firms thought leadership addresses how to maximize contractor engagements, when to hire employees, and how to design measurable, channel-diverse sourcing strategies that adapt to shifting market conditions. Whether advising entrepreneurs building their first team or partnering with growth-stage and established companies on pivotal leadership hires, Spectacle emphasizes structured processes, clear communication, and data-informed decision-making. Clients engage Spectacle for its uncommon blend of strategic counsel, practical toolkits, and empathetic partnership that shortens time-to-decision and improves hiring results. With a personal, high-touch model and nationwide reach, Spectacle Talent Partners helps leaders make their next move their best move and enables organizations to attract and select the right talent with confidence.

Exec Search & Interim MgmtPermanent RecruitmentSOW/ProjectsAll industriesSenior ExecutivesFinance & AccountingGeneralist - white collar professionals

HQGambrills, United States

Defined Calculus

Defined Calculus is a highly specialized talent acquisition firm serving the investment finance and quantitative trading ecosystem across the United States and the United Kingdom. The company concentrates exclusively on three deeply technical verticalsQuantitative Research, Quantitative Development, and Software Engineeringbringing a methodical, headhunting-led approach to filling complex roles that require rare combinations of mathematical rigor, coding excellence, and market domain knowledge. Rather than advertising jobs, Defined Calculus proactively sources candidates beyond its established network using both traditional search methodologies and the latest technical resources, emphasizing quality over quantity at every stage. The firm partners with quantitative trading firms, hedge funds, proprietary trading groups, and asset managers across asset classes, with especially strong experience in commodities, and supports employers with both contingent and retained search services. Clients highlight the firms detailed screening notes, industry-leading market intelligence, and consistent follow-through, while HR and Talent Acquisition teams appreciate Defined Calculus ability to align with process, provide real-time market feedback on compensation and skills trends, and navigate competitive interview cycles effectively. Founded in New York in late 2017 by Allister Duncan after several years as a 360-degree recruiter in London and New York, the firm initially bridged core Data Science and Software Engineering across startups to Fortune 100 companies before evolving to focus on investment finance and quantitative trading. Its operating philosophy is grounded in radical transparency, respect, integrity, and a relationship-driven mindset that treats every interaction as the start of a potential long-term partnership. Candidatesfrom quantitative researchers and developers to software engineers and executive-level data leadersbenefit from hands-on guidance, clear expectation setting, and feedback collection after interviews, ensuring clarity and momentum throughout the process. With a calm, process-driven determination, Defined Calculus brings a world-class talent network, advanced sourcing methods, and trusted market insight to deliver results in one of the most competitive technical talent markets worldwide.

Permanent RecruitmentExec Search & Interim MgmtContract StaffingBankingInsuranceInvestment ManagementIT InfrastructureTelecommunicationsCloud Computing

HQNew York, United States

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