Harnham Headquarters & Office Locations

Global leader in Data & Analytics recruitment. Headquarters: 51 Wimbledon Hill Rd 3rd Floor, London, England SW19 7QW, United Kingdom.

Headquarters
London, England
Total locations · 3+ countries
12
Employees · est. 2026
243

Identity graph

Harnham headquarters, locations and relationships

Headquarters51 Wimbledon Hill Rd 3rd Floor, London, England SW19 7QW, United KingdomOpen in Google Maps
Legal name
Harnham Search and Selection Ltd
Industry
Data Analytics Software
Founded
2006

Harnham office locations

12 total · 3+ countries
Harnham office locations: headquarters and key locations
CityState / regionCountryType
LondonEnglandUnited KingdomHeadquarters
AmsterdamNorth HollandThe NetherlandsOffice
IbstockEnglandUnited KingdomOffice
WimbledonEnglandUnited KingdomOffice
New York CityNew YorkUnited StatesOffice
PhoenixArizonaUnited StatesOffice
See all 12 locations
Parent company
No parent company recorded in GraphIQ.ai.

Verified from public filings, company websites and news · Methodology

Open in GraphIQ.ai

More Harnham data in GraphIQ.ai

This page shows the public record. Sign in with a work email to open the rest of the entity.

  • Technographics (available after sign-in)

    Software, cloud and infrastructure in use.

  • Firmographics (available after sign-in)

    Revenue, headcount, growth and industry codes.

  • Capabilities (available after sign-in)

    Products, services and certifications.

  • News (available after sign-in)

    Recent coverage and signals, resolved to the entity.

  • And more (available after sign-in)

    Subsidiaries, people and lookalike companies.

Who uses the Harnham entity

  • Revenue and GTM teams

    Territories, enrichment and account expansion on one resolved account.

    RevOps Sales & marketing
  • Developers and AI agents

    The entity and its relationships through the REST API and MCP server.

    Developers
  • Private equity and investors

    Corporate family, comparable companies and deal sourcing.

    Private equity
  • Industry and supply chain

    Suppliers, sites and partners mapped to the right legal entity.

    Industry
  • Government and public sector

    Supplier vetting, ownership and jurisdiction checks against one verified entity.

    Government

About Harnham

Harnham is headquartered in London, England, United Kingdom. Founded in 2006, the company has 12 recorded locations across 3+ countries and employs approximately 243 people worldwide.

Where is Harnham's main office?

Harnham's main headquarters office is located at 51 Wimbledon Hill Rd 3rd Floor, London, England SW19 7QW, United Kingdom. This is the company's primary corporate address.

Harnham regional offices

Beyond its headquarters in London, Harnham has recorded locations in United Kingdom, The Netherlands and United States.

Harnham contact information

The main switchboard for Harnham headquarters can be reached at +44 20 8408 6070. Official website: harnham.com.

What does Harnham do?

Established in 2006, Harnham was founded as a specialist recruitment business for the Data & Analytics market. Over the past 15 years, they grown into the global leader in Data & Analytics recruitment with over 130 consultants, covering permanent and contract vacancies across the UK, Europe, and USA, and winning several awards along the way. Their unique networking style has meant that they have established a client and candidate base built on trust, focus, and efficiency. Specialising in roles throughout Data Science, Advanced Analytics, Digital Analytics, Life Science Analytics, Data & Technology, Data Engineering, Risk Analytics and Computer Vision they support candidates and businesses working in what they believe to be the world's most innovative and exciting industry.

One entity, every stage

Put Harnham to work across your revenue bowtie

All use cases
  1. Target Define the market Build the account list from companies shaped like your best customers, Harnham included. Fingerprint search 
  2. Cover Plan territories Harnham's 12 locations roll up to one account, so it lands in one territory, once. Territory planning 
  3. Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring 
  4. Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment 
  5. Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer 
  6. Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion 

About the source

What is GraphIQ.ai?

A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.

POST/api/v2/organizations/search

Harnham: frequently asked questions

Where is Harnham headquarters?

51 Wimbledon Hill Rd 3rd Floor, London, England SW19 7QW, United Kingdom.

What is Harnham's phone number?

+44 20 8408 6070 (headquarters).

When was Harnham founded?

2006.

How many employees does Harnham have?

About 243, as of October 2026 (GraphIQ.ai estimate).

How many offices does Harnham have?

12 locations across 3+ countries, including Amsterdam, Ibstock, Wimbledon, New York City.

Questions about GraphIQ.ai

Is GraphIQ.ai a list of companies like a spreadsheet?

No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Harnham here is the same Harnham in your CRM, territory plan and agent answers.

Where does this Harnham data come from?

Public filings, company websites and news, resolved to one entity and continuously updated.

Find more info on Harnham using GraphIQ

Revenue teams waste hours stitching together data from a dozen tools before a single rep can make a meaningful touch. GraphIQ fixes that. Whether you're building target account lists, routing inbound leads, or keeping your CRM clean as Harnham's structure evolves, GraphIQ gives you verified company, people and location data in one place.

From territory planning and lead scoring to handoff workflows and pipeline hygiene, our platform connects the data your GTM engine needs to run without friction. Sign up today and see how GraphIQ helps your revenue team spend less time finding information and more time acting on it.

287MOrganizations resolved
393MEmployees
2B+News and events