Get a professional qualification and work harder in life.

Don't just give up coz you got a crappy degree.

no harm trying to submit ur resume in.. u will never know luck is on your side..

Write in already? Write in and try... or at least join a mid tier first and jump ship after u at least achieve senior title

With a 3rd class degree, unless the candidate can impress the partners, a bit hard to enter also.

Now a lot of degree holders, market damn competitive to entry level.

Might as well hide in a small firm, quickly pass CPA/ACCA then resurface with a much reputable qualification.
Don't fret about the past.

You can't do anything about it.

Look forward instead man.

Plan for your professional qualifications.

Have u worked as intern before? Will help at some point.

Join small firm, learn to do every single shit

From there, work hard to leap out to the bigger ocean much later.

Worse come to worse, you will enter Big 4 as experience hire instead of fresh entry 

Enter as Junior / Fresh grad.

Even with 3 years working experience in medium firms, they will likely discount your experience based on your exposure.

So if possible, find a firm that is filled with nice people, decent study leaves for you to study and quickly pass your exams.

Once you pass the exams, time for you to make the move to the big 4.

It counts towards MIA membership.

It maybe nothing much compared to ACCA membership in the long run but it's better than nothing

Plus, if you have 3 relevant working experience, you might have to just endure the PER writeup to be a full member of the ACCA without the need to spend another 3 in Big 4.

But that's just my guess. I could be wrong and seniors here are in much better position to offer guidance.

Trust me, small firm will still hire.

Heck, even diploma holders also they might take in some time.

All you gotta do is TRY.

Start drafting your resume, and start applying.

Jobstreet has plenty of opening.

Anyway, this is getting a little outta topic so I'm gonna stop here.

Good luck for your career pathway to Big 4 someday! 

Hello there. Just to let you know I too had a terrible results for my degree. It was really difficult to enter the Big 4 when I graduated. However, besides looking at purely academic reasons itself, the Big 4 do accept special cases too if you are able to showcase on what other strengths you can bring to the firm (i.e. willingness to learn, how you have learnt from your mistakes during degree days, etc).

Just to let you know, I am an ex-EY and PwC.  I was also on the PwC recruitment drives and assist recruitment for PwC couple of years back. I've subsequently taken up a regional role with a MNC. Don't be disheartened if you do not get in. But my suggestion is for you to keep trying and applying. Perhaps one way is also to attend the career fairs and drives. Speak to the recruiters face to face. Show them that you really want the job by showcasing your other talents (i.e communication skills, enthusiasm etc). They do take in too if they see potential in you.

Good luck!