| Secretary/Treasurer |
| 1904-07 | J. Boyd | Belmont |
| 1908-12 | Wiliam Lindsay | Shaftesbury |
| Honorary Secretary |
| 1912-13 | Wiliam Lindsay | Shaftesbury |
| 1913-20 | W. Govan | Ulster |
| 1921-26 | D.D. Young | Shaftesbury |
| 1927-34 | T. McCrindle | Belmont |
| 1935-36 | Thomas Bill | Cavehill |
| 1937-54 | Arthur J Chew | Press |
| 1955 | E. Ford | Acting |
| 1956-61 | Robert Beattie | Cavehill |
| 1962 | W.G. Wilson | Acting |
| 1963-80 | Robert Thompson | Shaftesbury |
| 1981-91 | James Barnes | Windsor |
| 1992-00 | J. North McQuay | Knock |
| 2001-05 | Jim Humphries | 13th Old Boys |
| 2006-11 | Tom McGarel | Larne |
| 2012-24 | W. John Millar | Old Bleach |
| 2025 | Colin Campbell | CI – Knock |
| Honorary Treasurer |
| 1912-17 | J. L. McDonnell | Falls |
| 1918-27 | John Gass | Ormeau |
| 1928-54 | Thomas H. Barr | Cliftonville |
| 1955-68 | Charles Clawson | Shaftesbury |
| 1969-76 | A. Richmond McKay | Larne |
| 1977-88 | Thomas D. Sutton MBE | Cavehill |
| 1989-2008 | Houston McBride | Whitehead |
| 2009-2017 | David A. Graham OBE | Dunbarton |
| 2018-2022 | Robert Madden | Castlerock |
| 2023-2025 | Robin Horner | Belmont |
| 2026 | Michael Crooks | Whitehead |
| Honorary Assistant Secretary |
| 1932-36 | Arthur J. Chew | Press |
| 1937-38 | E. Ford & H. Russell | |
| 1939-47 | E. Ford & T. Lemon | |
| From 1948 this position was classified as Hon. Competitions Secretaries and existing position remained vacant until 1953. |
| 1953-55 | Edward Ford | Strand |
| 1958-74 | W. G. Wilson | |
| 1975-76 | William Burrows | Windsor |
| 1977-80 | James Barnes | Windsor |
| 1981-84 | Stanley Allen | Connsbrook |
| 1985-91 | J. North McQuay | Knock |
| 1992-98 | Cecil Beck | Banbridge |
| 1999-2000 | Jim Humphries | 13th Old Boys |
| 2001-03 | David Hunter | NICS |
| 2004-06 | Derek Forsythe | NICS |
| 2007-10 | Chris Wallace | Carrickfergus |
| 2011 | W. John Millar | Old Bleach |
| 2012- 2024 | Colin Campbell | CI Knock |
| 2025- | Tommy Smith | Ballymoney |
| Honorary Competition Secretaries |
| 1931 | C. Clawson | Shaftesbury |
| 1932-34 | A.R. Pulford | Ballynafeigh |
| 1935-36 | T. Lemon | Strandtown |
| From 1948 the constitution provided that the Hon. Secretaries of the NIPGBL and the NIBA should hold the positions of Hon. Competitions Secretaries. |
| 1948-50 | E. Ford & J. Thompson | |
| 1951 | W. Hurst & J. Thompson | |
| 1952-62 | A.R. Lynn & J. Thompson | |
| 1963-65 | A.R. Lynn & S. Dornan | |
| 1966-68 | A.R. Lynn & W.S. McVeigh | |
| 1969 | S. Allen & W.S McVeigh | |
| 1970-78 | S. Allen & J.R. Stirling | |
| 1979-84 | S. Allen & T.C. McGookin | |
| 1985-88 | H. McBride & R. McKeown | |
| 1989-96 | W. Gracey & H. Montgomery | |
| 1997-99 | M. McKeown & H. Montgomery | |
| 2000-01 | A. Oliver & H. Montgomery | |
| 2002-04 | A. Oliver & M. Haffern | |
| 2005-11 | A. Oliver & R. Blair | |
| 2012-14 | C. Wallace & R. Blair | |
| 2015 | C. Wallace & D. McCloy | |
| 2016-25 | H. McFarland & D. McCloy | |
| In 2026 the IBA constitution reverted to one Competition secretary |
| 2026 | M. Tait | Old Bleach |