Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3479
Mikel Arteta (Arsenal) 2210
Marco Silva (Fulham) 1653
Eddie Howe (Newcastle United) 1523
Unai Emery (Aston Villa) 1165
Andoni Iraola (Bournemouth) 935
Daniel Farke (Leeds United) 920
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1653
Kieran McKenna (Ipswich Town) 1485
John Mousinho (Portsmouth) 1085
Nathan Jones (Charlton Athletic) 705
Chris Davies (Birmingham City) 582
Paul Heckingbottom (Preston North End) 507
Frank Lampard (Coventry City) 407
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1890
Dave Challinor (Stockport County) 1529
Richie Wellens (Leyton Orient) 1402
Johnnie Jackson (AFC Wimbledon) 1334
Gary Caldwell (Exeter City) 1173
Grant McCann (Doncaster Rovers) 973
Graham Alexander (Bradford City) 795
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6077
Andy Woodman (Bromley FC) 1747
Dean Brennan (Barnet) 1572
Paul Cook (Chesterfield) 1429
Lee Bell (Crewe Alexandra) 1162
Mat Sadler (Walsall) 996
Micky Mellon (Oldham Athletic) 819

  The longest managerial reign of all time in the English football league belongs to Fred Everiss, who was manager of West Bromwich Albion for over 45 years (from 1902 to 1948)