Exhibit 12.1



CERTIFICATION OF THE CHIEF EXECUTIVE
OFFICER
PURSUANT TO RULE 13a-14(a)/RULE 15d-14(a) under

the
Exchange Act



I, Guy Bernstein, certify that:



| | 1. | I have reviewed this annual report on Form 20-F for the year ended December 31, 2016 of Formula
Systems (1985) Ltd. (the “Registrant”);
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| | 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or
omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this report;
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| | 3. | Based on my knowledge, the financial statements, and other financial information included in this
report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant
as of, and for, the periods presented in this report;
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| | 4. | The Registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls
and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined
in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:
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| | (a) | Designed
such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in which this report is being prepared;
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| | (b) | Designed
such internal control over financial reporting, or caused such internal control over financial reporting to be designed under
our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial
statements for external purposes in accordance with generally accepted accounting principles;
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| | (c) | Evaluated
the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about
the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such
evaluation; and
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| | (d) | Disclosed in this report any change in the
Registrant’s internal control over financial reporting that occurred during the period covered by the annual report that
has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting;
and
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| | 5. | The Registrant’s other certifying officer(s) and I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s
board of directors (or persons performing the equivalent functions):
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| | (a) | All significant deficiencies and material weaknesses in
the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s
ability to record, process, summarize and report financial information; and
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| | (b) | Any fraud, whether or not material, that involves management or other employees who have a significant
role in the Registrant’s internal control over financial reporting.
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|Date: May 15, 2017 | /s/ Guy Bernstein      
|------------------ | -----------------------
|                   | Guy Bernstein          
|                   | Chief Executive Officer