Click place name to go to the list of private investigators operating in that area.
- Wakefield
- Wales
- Wales, Mid
- Wales, North
- Wales, South West
- Wallasey
- Wallsend
- Walsall
- Wandsworth
- Warrington
- Warwick
- Warwickshire
- Washington
- Watford
- Wembley
- West Bromwich
- West Cornwall
- West Kirby
- West London
- West Midlands
- Worcester
- West Valleys
- Weston super Mare
- Weymouth
- Whitehaven
- Whitley Bay
- Whitstable
- Wickford
- Widnes
- Wigan
- Wilmslow
- Wiltshire
- Wimbledon
- Winchester
- Windsor
- Wirral
- Wisbech
- Witham
- Witney
- Woking
- Wokingham
- Wolverhampton
- Worcester
- Worcestershire
- Workington
- Worksop
- Worthing
- Wrexham