Lauder and another prominent burgess, William Todrik, were involved in financing the refurbishment of Holyrood Palace before the wedding of James IV of Scotland and Margaret Tudor in 1503.
[5] On 9 May 1505, Julian Laci, the factor of the Italian merchant Jerome Frescobaldi, met with the burgh council of Edinburgh when Richard Lawson was again acting as Provost.
The Privy Seal records on 19 September 1508, at Edinburgh, "A Lettre [was] maid to Alexander Lauder, provost of Edinburgh, his ayris and assignais: That forsamekly as all and hail the landis of Thirlstane Manys, Ernyscluch, Egrop, Wyndpark, the Heuch, Blyth, Tullois and Simprin, liand in the lordschip of Lauderdale within the schirefdome of Beruik," which had pertained to William Maitland of Lethington, which by the Lords of Council's decree had returned to the King's hands and his father's in non-entry for the space of over thirty years past, in default of entry fees etc being paid; and for the good and thankful service done to His Highness by Alexander Lauder and for other reasonable considerations moving His Grace, he gives, grants and assigns to the said Alexander, his heirs and assignees, all males, all the above lands and fermes, profits etc.
Alexander Lauder of Blyth, Provost of Edinburgh, was knighted before 11 October 1510, when he was described as such, and on which date he endowed a chaplainry in the church of St. Giles.
Pitcairn notes that "Alexander Lauder of Blyth, knight, Provost of Edinburgh and 'Justiciarius deputatis'" signed a verdict at a murder trial on 31 September 1512.