A tandem moves forward when both riders keep the same pace.
That is how we work with every client: you focus on your business and we keep your taxes, books and payroll in order.
TANDEM Fiscal serves individuals and companies, from someone just starting out under RESICO to construction companies with active job sites, including foreign-owned businesses operating in Mexico.
We don't just file returns: we explain where you stand, warn you before something expires and, if there is a problem, we solve it.
We work from Mexico City and serve clients across Mexico online.

Two shapes that hold each other up.
A tandem is a bicycle built for two: it only moves forward when both riders pedal at the same pace. You run your business, we handle the tax side, and we move forward together.
- Two pieces, one shape. One is you; the other is TANDEM. Each keeps its own form, but they can't be pulled apart.
- They take turns. At the top the orange crosses over the gray; at the bottom, the gray over the orange. Neither dominates: each one supports the other when it matters.
- They are squares. In accounting, what you want is for the books to square up: order, numbers in place and no loose ends.
- Orange and gray. Orange is action: it warns and solves. Warm gray is the technical rigor that builds trust.
Your business and us, moving at the same pace with the books in order.
Strategy · Compliance · Trust
Strategy
We find the tax regime and way of operating that suits you best, within the law.
Compliance
Returns on time, valid certificates and a positive compliance opinion. No surprises.
Trust
Your information is handled confidentially and your e.firma files are stored encrypted.
We know the SAT from the inside.
We are a group of specialists in accounting, tax, social security and tax law, with careers both inside and outside the SAT. We know how the authority reviews, what it looks for and how it responds, and we use that experience in your favor: to keep you compliant and, if there is a problem, to defend you with solid arguments.
Accounting and taxes
Tax returns, electronic accounting and planning for individuals and companies.
IMSS and payroll
Registrations, contributions, payroll and employer obligations, including construction.
Tax defense and legal
Matters signed by licensed attorneys.