Across
Miserable young guy pocketing nothing for transfer of documents (8)
I haven't cracked this one yet — but Fifteensquared have:
DOWN (miserable) + LAD (young guy) round O (nothing)
Pick up chaps for appearance (5)
Hit hard (after reversal) in tie (4)
Trick, say, with art deal that’s corrupt (4,6)
Sharp techies are experts at this in Google’s rival (6)
Explanatory words in top case shortly for analysis (8)
Contend with favourite in climax? (7)
Son with mettle ignoring a cause of trouble? (7)
This person’s friend touring old city is lacking sophistication (8)
I haven't cracked this one yet — but Fifteensquared have:
I’m (this person’s) + MATE (friend) round UR (old city)
Amount of money (not half) to break rule possibly makes one melancholy (6)
A nationalist to acclaim somehow having ousted Conservative with regard to a body? (10)
I haven't cracked this one yet — but Fifteensquared have:
A N (nationalist) + an anagram (somehow) of TO AC[c]LAIM minus one c (conservative)
Way of working drained sensuous supermodel (4)
I haven't cracked this one yet — but Fifteensquared have:
MO (modus operandi – way of working) + S[ensuou]S, ‘drained’)
Absurd situation with fellow leaving daughter describing a rainbow? (5)
I mention having to move very quickly (2,2,4)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (having to move) of I MENTION
Down
Artist in major unconventional ring (4,4)
Fly among adjoining nations (4)
Setter, maybe, taken with cricket side in turn on way? (6)
Lend poster on politician from Ohio (7)
Source of inflation six ignored in site for mausoleum (4)
Deal out second testimonial in support of inspector (10)
Stop or get off network right away (6)
Where one might find a GP, effectively? (2,8)
I haven't cracked this one yet — but Fifteensquared have:
A GP is a General Practitioner
Designate in hearing thing to be screened (3)
Teacup regularly taken for Greek character (3)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters of T e A c U p
Horrific rogue’s disturbed writer (8)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (disturbed) of ROGUE’S + ME (writer)
Group curtailed prominent feature in informal discussion (5-2)
Cuckoo over area patrolled by host is one exhibiting wild behaviour (6)
I haven't cracked this one yet — but Fifteensquared have:
ANI ( cuckoo ) + (over, in a down clue) A (area) in MC (host) – I had a bit of a problem locating the cuckoo
Moderate Republican beginning to excoriate period of austerity (6)
I haven't cracked this one yet — but Fifteensquared have:
R (Republican) + E[xcoriate] + LENT (period of austerity)
First person in Paris to welcome Dutch premier (4)
I haven't cracked this one yet — but Fifteensquared have:
MOI (first person in French) round D (Dutch) for the Indian premier
Potentially destructive type kept in asylum, otherwise (4)
I haven't cracked this one yet — but Fifteensquared have:
Contained in asylu M OTH erwise
Type letters or click words in the clue