Hi Mate this is the text I got from my Visa Consultant on the topic, strange we have opposite point of views..
"Dear Sir Tony,
About the visa consultancy, as per experience sir most entry clearance officers denies applicant who declares they have had help from firms like us. The trend of their thinking is that applicants who have chosen to consult with firms like us are workers seeking employment and uses settlement visas as cover up. We have had clients like this and we had to make appeals for them and it took half a year to have the application reviewed and approved. So our immigration lawyers instructed us not to declare it to avoid such hold ups specially for our clients. Given the fact that we, and Ms. Rina is from the Philippines whose reputation when it comes to foreign employment have been notorious. We can revise the application, however I wouldn't want the application be affected by the reason that ECO's might doubt the purpose of our application.
I apologies I was not able to explain it to you before. But it would be your choice Sir. I can make the revisions."
I had to go through about 60 emails to find this - hope its of value to someone....